MAXON TUCKAWAY PARTS AND MAINTENANCE MANUALS

Series 72-150 and TE-20 Aug. 2006 Maintenance Manual

SECTION ONE CLICK HERE
WARNINGS .......................................................................................................................... 6
LIFTGATE TERMINOLOGY.................................................................................................. 7
PERIODIC MAINTENANCE .................................................................................................. 8
PERIODIC MAINTENANCE CHECKS ................................................................................... 8
PERIODIC MAINTENANCE CHECKLIST .............................................................................. 9


SECTION TWO CLICK HERE
CHECKING HYDRAULIC FLUID .......................................................................................... 10
CHANGING HYDRAULIC FLUID .......................................................................................... 12
PLATFORM ADJUSTMENT................................................................................................ 14
REPLACING PLATFORM TORSION SPRING .................................................................... 17
SAFETY HOOK MAINTENANCE ........................................................................................ 19


SECTION THREE CLICK HERE
PARTS BREAKDOWN......................................................................................................... 20
72-150 & TE-20 MAIN ASSEMBLY .................................................................................... 21
EXTENSION PLATE ASSEMBLY ....................................................................................... 22
LIFT FRAME & PARALLEL ARMS....................................................................................... 23
PLATFORM & FLIPOVER ASSEMBLY (RAMP) .................................................................. 24
PLATFORM & FLIPOVER ASSEMBLY (WEDGE) ............................................................... 25
PUMP COVER & MOUNTING PLATE ASSEMBLY ............................................................. 26
GRAVITY DOWN HYDRAULIC COMPONENTS................................................................... 27
12 VDC POWER UNIT (GRAVITY DOWN) ........................................................................... 28
24 VDC POWER UNIT (GRAVITY DOWN) ........................................................................... 30


SECTION FOUR CLICK HERE
POWER DOWN HYDRAULIC COMPONENTS...................................................................... 33
12 VDC POWER UNIT (POWER DOWN) ............................................................................. 34
DECALS ............................................................................................................................. 36
CONTROL SWITCH AND POWER CABLE .......................................................................... 37
HYDRAULIC SYSTEM DIAGRAMS ..................................................................................... 38
HYDRAULIC SCHEMATIC (GRAVITY DOWN) .................................................................... 38
HYDRAULIC SCHEMATIC (POWER DOWN) ....................................................................... 39
ELECTRICAL SYSTEM DIAGRAMS................................................................................... 40
ELECTRICAL SCHEMATIC (GRAVITY DOWN) .................................................................. 40
ELECTRICAL SCHEMATIC (POWER DOWN) ..................................................................... 41


SECTION FIVE CLICK HERE
TROUBLESHOOTING ........................................................................................................ 42
PLATFORM WILL NOT RAISE ........................................................................................... 42
PLATFORM RAISES BUT LEAKS DOWN........................................................................... 43
PLATFORM RAISES PARTIALLY AND STOPS ................................................................. 44
LIFTGATE WILL NOT LIFT RATED CAPACITY ................................................................. 45
PLATFORM RAISES SLOWLY ........................................................................................... 46
PLATFORM WILL NOT LOWER, LOWERS TOO SLOWLY, OR LOWERS TOO QUICKLY . 47

Series 72-25 and 72-30 after 2003 Maintenance Manual

SECTION ONE CLICK HERE
WARNINGS ............................................................................................................ 5
LIFTGATE TERMINOLOGY ................................................................................... 6
PERIODIC MAINTENANCE ..................................................................................... 7
PERIODIC MAINTENANCE CHECKLIST ................................................................ 7
CHECKING HYDRAULIC FLUID .............................................................................. 8
CHANGING HYDRAULIC FLUID ............................................................................. 10


SECTION TWO CLICK HERE
PLATFORM ADJUSTMENT................................................................................... 12
REPLACING PLATFORM TORSION SPRING ....................................................... 14
SAFETY HOOK MAINTENANCE ........................................................................... 16
PARTS BREAKDOWN............................................................................................. 17
72-25 & 72-30 MAIN ASSEMBLY .......................................................................... 18
LIFT FRAME & PARALLEL ARMS.......................................................................... 20
GRAVITY DOWN HYDRAULIC COMPONENTS....................................................... 25
12 VDC POWER UNIT (GRAVITY DOWN) .............................................................. 26
POWER DOWN HYDRAULIC COMPONENTS.......................................................... 27
12 VDC POWER UNIT (POWER DOWN) ................................................................. 28
DECALS ................................................................................................................. 29
CONTROL SWITCH AND POWER CABLE .............................................................. 30


SECTION THREE CLICK HERE
HYDRAULIC SYSTEM DIAGRAMS ......................................................................... 31
HYDRAULIC SCHEMATIC (72-25 & 72-30 GRAVITY DOWN) ................................. 31
HYDRAULIC SCHEMATIC (72-25 & 72-30 POWER DOWN)..................................... 32
ELECTRICAL SYSTEM DIAGRAMS ........................................................................ 33
ELECTRICAL SCHEMATIC (72-25 & 72-30 GRAVITY DOWN)................................ 33
ELECTRICAL SCHEMATIC (72-25 & 72-30 POWER DOWN) .................................. 34
TROUBLESHOOTING .............................................................................................. 35
PLATFORM WILL NOT RAISE ................................................................................ 35
PLATFORM RAISES BUT LEAKS DOWN................................................................ 36
PLATFORM RAISES PARTIALLY AND STOPS ...................................................... 37
LIFTGATE WILL NOT LIFT RATED CAPACITY ...................................................... 38
PLATFORM RAISES SLOWLY ................................................................................ 39
PLATFORM WILL NOT LOWER, LOWERS
TOO SLOWLY, OR LOWERS TOO QUICKLY ......................................................... 40

Series 72-150B and TE-20B Maintenance Manual
(Horizontal Pump - No Longer In Production)

SECTION ONE CLICK HERE
WARNING AND PERIODIC MAINTENANCE..................................................................1
DECALS........................................................................................................................3
PLATFORM MAINTENANCE .......................................................................................4


SECTION TWO CLICK HERE
ASSEMBLY PARTS BREAKDOWN ............................................................................ 6
GRAVITY DOWN SECTION ........................................................................................9


SECTION THREE CLICK HERE
POWER DOWN SECTION ........................................................................................17


SECTION FOUR CLICK HERE
TROUBLESHOOTING ...............................................................................................25

Series 72-150SA and TE-20SA Maintenance Manual
(Short Arm - No Longer In Production)

SECTION ONE CLICK HERE
WARNINGS ............................................................................................................................6
LIFTGATE TERMINOLOGY .................................................................................................. 7
PERIODIC MAINTENANCE CHECKLIST ............................................................................... 8
CHANGING HYDRAULIC FLUID ............................................................................................ 9

SECTION TWO CLICK HERE
PLATFORM ADJUSTMENT................................................................................................. 10
REPLACING PLATFORM TORSION SPRING ..................................................................... 12
SAFETY HOOK MAINTENANCE ......................................................................................... 14

SECTION THREE CLICK HERE
PARTS BREAKDOWN...........................................................................................................15
72-150SA/TE-20SA FINAL ASSEMBLY............................................................................... 16
EXTENSION PLATE ASSEMBLY ....................................................................................... 17
LIFT FRAME & PARALLEL ARMS....................................................................................... 18
PLATFORM & FLIPOVER ASSEMBLY................................................................................ 20
PUMP COVER .................................................................................................................... 21
GRAVITY DOWN HYDRAULIC COMPONENTS................................................................... 22
12 VDC POWER UNIT (GRAVITY DOWN) .......................................................................... 23
POWER DOWN HYDRAULIC COMPONENTS..................................................................... 24
12 VDC POWER UNIT (POWER DOWN) ............................................................................. 25
DECALS ............................................................................................................................ 26
CONTROL SWITCH AND POWER CABLE .......................................................................... 27

SECTION FOUR CLICK HERE
SCHEMATICS .....................................................................................................................28
HYDRAULIC SCHEMATIC (GRAVITY DOWN) .................................................................... 29
ELECTRICAL SCHEMATIC - GRAVITY DOWN................................................................... 30
HYDRAULIC SCHEMATIC - POWER DOWN ....................................................................... 31
ELECTRICAL SCHEMATIC - POWER DOWN...................................................................... 32


SECTION FIVE CLICK HERE
TROUBLESHOOTING............................................................................................................33
PLATFORM WILL NOT RAISE ........................................................................................... 34
PLATFORM RAISES BUT LEAKS DOWN............................................................................ 35
PLATFORM RAISES PARTIALLY AND STO........................................................................ 36
LIFTGATE WILL NOT LIFT RATED CAPACITY................................................................... 37
PLATFORM RAISES SLOWLY ............................................................................................ 38
PLATFORM WILL NOT LOWER, LOWERS TOO SLOWLY, OR LOWERS TOO QUICKLY .. 39

Series 72-150LMV and TE-20LMV Maintenance Manual
(Vertical Pump - No Longer In Production)

SECTION ONE CLICK HERE
INTRODUCTION..................................................................................................... PAGE 4
LIFTGATE TERMINOLOGY .................................................................................. PAGE 4
WARNING .............................................................................................................. PAGE 5
PERIODIC MAINTENANCE CHECKLIST................................................................ PAGE 6
DECALS ................................................................................................................ PAGE 7
PLATFORM ADJUSTMENT ................................................................................... PAGE 8
HYDRAULIC ASSEMBLY....................................................................................... PAGE 9
72-150LMV / TE-20LMV ASSEMBLY................................................................... PAGE 10

SECTION TWO CLICK HERE
PUMP ASSEMBLY, GRAVITY DOWN.................................................................. PAGE 12
CONTROL SWITCH GRAVITY DOWN.................................................................. PAGE 14
HARNESS & SWITCH ASSEMBLY ...................................................................... PAGE 15
SAFETY HOOK.................................................................................................... PAGE 16
WIRE CONNECTIONS, GRAVITY DOWN ............................................................. PAGE 17
LOW VOLTAGE / THERMAL SWITCH (LVTS) ..................................................... PAGE 18

SECTION THREE CLICK HERE
TROUBLESHOOTING........................................................................................... PAGE 20
PLATFORM WILL NOT RAISE ............................................................................. PAGE 21
PLATFORM RAISES BUT LEAKS DOWN............................................................. PAGE 22
PLATFORM RAISES PARTIALLY AND STOPS.................................................... PAGE 23
LIFTGATE WILL NOT LIFT RATED CAPACITY.................................................... PAGE 24
PLATFORM RAISES SLOWLY ............................................................................ PAGE 25
PLATFORM WILL NOT LOWER ........................................................................... PAGE 26

Series 72-25H/RO & 72-30H/RO
after November 2003
Maintenance Manual


SECTION ONE CLICK HERE
WARNINGS .................................................................................................................... 5
LIFTGATE TERMINOLOGY ........................................................................................... 6
PERIODIC MAINTENANCE ............................................................................................ 7
PERIODIC MAINTENANCE CHECKLIST ........................................................................ 7
CHECKING HYDRAULIC FLUID ...................................................................................... 8
CHANGING HYDRAULIC FLUID ................................................................................... 10

SECTION TWO CLICK HERE
PLATFORM ADJUSTMENT.......................................................................................... 12
REPLACING PLATFORM TORSION SPRING .............................................................. 14
SAFETY HOOK MAINTENANCE .................................................................................. 16
PARTS BREAKDOWN................................................................................................... 17
72-25H & 72-30H MAIN ASSEMBLY............................................................................. 18
72-25RO & 72-30RO MAIN ASSEMBLY ...................................................................... 19

SECTION THREE CLICK HERE
LIFT FRAME & PARALLEL ARMS................................................................................ 21
GRAVITY DOWN HYDRAULIC COMPONENTS............................................................. 24
12 VDC POWER UNIT (GRAVITY DOWN) .................................................................... 25
POWER DOWN HYDRAULIC COMPONENTS............................................................... 26
12 VDC POWER UNIT (POWER DOWN) ....................................................................... 27
DECALS ....................................................................................................................... 28
CONTROL SWITCH AND POWER CABLE ................................................................... 30

SECTION FOUR CLICK HERE
HYDRAULIC SYSTEM DIAGRAMS .............................................................................. 31
HYDRAULIC SCHEMATIC (72-25 & 72-30 GRAVITY DOWN) ....................................... 31
HYDRAULIC SCHEMATIC (72-25 & 72-30 POWER DOWN).......................................... 32
ELECTRICAL SYSTEM DIAGRAMS ............................................................................ 33
ELECTRICAL SCHEMATIC (72-25 & 72-30 GRAVITY DOWN)...................................... 33
ELECTRICAL SCHEMATIC (72-25 & 72-30 POWER DOWN) ....................................... 34
TROUBLESHOOTING .................................................................................................. 35
PLATFORM WILL NOT RAISE ..................................................................................... 35
PLATFORM RAISES BUT LEAKS DOWN..................................................................... 36
PLATFORM RAISES PARTIALLY AND STOPS ........................................................... 37
LIFTGATE WILL NOT LIFT RATED CAPACITY ........................................................... 38
PLATFORM RAISES SLOWLY .................................................................................... 39
PLATFORM WON'T LOWER, LOWERS TOO SLOWLY, OR LOWERS TOO QUICKLY. 40

Series 72-25(B & LM) and
72-30(B & LM)
Maintenance Manual
(Horizontal Pump - No Longer In Production)

SECTION ONE CLICK HERE
INTRODUCTION.................................................................................................. PAGE 4
WARNING ........................................................................................................... PAGE 5
PERIODIC MAINTENANCE CHECKLIST.............................................................. PAGE 6
DECALS .............................................................................................................. PAGE 7
HAND PUMP STANDARD .................................................................................... PAGE 8
SAFETY HOOK.................................................................................................... PAGE 9

SECTION TWO CLICK HERE
REPLACING PLATFORM TORSION SPRING ................................................... PAGE 10
PLATFORM ADJUSTMENT .............................................................................. PAGE 12
HINGE PIN LOCATION ...................................................................................... PAGE 13
72-25/30LM ASSEMBLY ................................................................................... PAGE 14

SECTION THREE CLICK HERE
GRAVITY DOWN SECTION ................................................................................PAGE 17
HYDRAULIC ASSEMBLY, OLD STYLE PUMP .................................................. PAGE 18
HYDRAULIC ASSEMBLY, SLIMLINE PUMP ..................................................... PAGE 19
PUMP ASSEMBLY, GRAVITY DOWN, OLD STYLE .......................................... PAGE 20
PUMP ASSEMBLY, GRAVITY DOWN, NEW STYLE.......................................... PAGE 22
CONTROL SWITCH, GRAVITY DOWN, OLD STYLE PUMP .............................. PAGE 24
CONTROL SWITCH, GRAVITY DOWN, SLIMLINE PUMP ................................. PAGE 25
HARNESS ASSY., GRAVITY DOWN, OLD STYLE PUMP ................................. PAGE 26
HARNESS ASSY., GRAVITY DOWN, SLIMLINE PUMP .................................... PAGE 27
WIRE CONNECTIONS, GRAVITY DN., OLD STYLE PUMP ............................... PAGE 28
WIRE CONNECTIONS, GRAVITY DN., SLIMLINE PUMP .................................. PAGE 29
PUMP ENCLOSURE, OLD STYLE PUMP ......................................................... PAGE 30

SECTION FOUR CLICK HERE
POWER DOWN SECTION .................................................................................PAGE 32
HYDRAULIC ASSEMBLY, POWER DOWN ....................................................... PAGE 33
CONTROL SWITCH, POWER DOWN ............................................................... PAGE 34
HARNESS & SWITCH ASSY. POWER DOWN .................................................. PAGE 35
WIRE CONNECTIONS POWER DOWN ............................................................. PAGE 36
HAND PUMP, POWER DOWN .......................................................................... PAGE 37
PUMP ASSEMBLY, POWER DOWN ................................................................ PAGE 38
ALUMINUM RETENTION RAMP ...................................................................... PAGE 40

SECTION FIVE CLICK HERE
TROUBLESHOOTING........................................................................................PAGE 42
PLATFORM WILL NOT RAISE ......................................................................... PAGE 43
PLATFORM RAISES BUT LEAKS DOWN ........................................................ PAGE 44
PLATFORM RAISES PARTIALLY AND STOPS ............................................... PAGE 45
LIFTGATE WILL NOT LIFT RATED CAPACITY ............................................... PAGE 46
PLATFORM RAISES SLOWLY ......................................................................... PAGE 47
PLATFORM WILL NOT LOWER........................................................................ PAGE 48

Series 72-25 LMV and 72-30 LMV
(Vertical Pump - No Longer In Production)

SECTION ONE CLICK HERE
LIFTGATE TERMINOLOGY ..................................................................................PAGE 5
WARNINGS ...........................................................................................................PAGE 6
PERIODIC MAINTENANCE CHECKLIST................................................................PAGE 7
DECALS ................................................................................................................PAGE 8
DECALS - LOW VOLTAGE / THERMAL SWITCH (LVTS) .....................................PAGE 9
PLATFORM ADJUSTMENT ............................................................................... PAGE 10
REPLACING PLATFORM TORSION SPRING......................................................PAGE 11
SAFETY HOOK .................................................................................................. PAGE 13

SECTION TWO CLICK HERE
PARTS BREAKDOWN......................................................................................... PAGE 14
HINGE PINS & BEARINGS LOCATION............................................................... PAGE 15
72-25/30LMV ASSEMBLY.................................................................................. PAGE 16
HYDRAULIC ASSEMBLY.................................................................................... PAGE 19
PUMP ASSEMBLY, GRAVITY DOWN ................................................................ PAGE 20
CONTROL SWITCH, GRAVITY DOWN................................................................ PAGE 22
HARNESS & SWITCH ASSEMBLY .................................................................... PAGE 23
WIRE CONNECTIONS, GRAVITY DOWN ........................................................... PAGE 24
LOW VOLTAGE / THERMAL SWITCH (LVTS) ................................................... PAGE 25
ALUMINUM RETENTION RAMP ........................................................................ PAGE 26
LIQUID SEALANT APPLICATION ...................................................................... PAGE 28

SECTION THREE CLICK HERE
TROUBLESHOOTING ......................................................................................... PAGE 29
PLATFORM WILL NOT RAISE ........................................................................... PAGE 30
PLATFORM RAISES BUT LEAKS DOWN .......................................................... PAGE 31
PLATFORM RAISES PARTIALLY AND STOPS.................................................. PAGE 32
LIFTGATE WILL NOT LIFT RATED CAPACITY ................................................. PAGE 33
PLATFORM RAISES SLOWLY .......................................................................... PAGE 34
PLATFORM WILL NOT LOWER ......................................................................... PAGE 35

Series 80-3 LM
(No Longer In Production)

SECTION ONE CLICK HERE
INTRODUCTION.......................................................................................................PAGE 4
WARNING ................................................................................................................PAGE 5
PERIODIC MAINTENANCE CHECKLIST..................................................................PAGE 6
DECALS, 80 SERIES................................................................................................PAGE 7

SECTION TWO CLICK HERE
HYD. HOSE ROUTING, GRAVITY DOWN ................................................................PAGE 8
253171 PUMP, GRAVITY DOWN ...........................................................................PAGE 10
CONTROL SWITCH GRAVITY DOWN ....................................................................PAGE 12
FUSED POWER CABLE..........................................................................................PAGE 13
WIRE CONNECTIONS GRAVITY DOWN ................................................................PAGE 14

SECTION THREE CLICK HERE
HYD. HOSE ROUTING, POWER DOWN .................................................................PAGE 15
CONTROL SWITCH, POWER DOWN .....................................................................PAGE 17
FUSED POWER CABLE..........................................................................................PAGE 18
WIRE CONNECTIONS, POWER DOWN..................................................................PAGE 19
253170 PUMP, POWER DOWN .............................................................................PAGE 20
80-3LM ASSEMBLY ..............................................................................................PAGE 22
PUMP PRESSURE ADJUST SETTING ..................................................................PAGE 24

SECTION FOUR CLICK HERE
TROUBLESHOOTING.............................................................................................PAGE 25
PLATFORM WILL NOT RAISE ...............................................................................PAGE 26
PLATFORM RAISES BUT LEAKS DOWN ..............................................................PAGE 27
PLATFORM RAISES PARTIALLY AND STOPS .....................................................PAGE 28
LIFTGATE WILL NOT LIFT RATED CAPACITY .....................................................PAGE 29
PLATFORM RAISES SLOWLY ..............................................................................PAGE 30
PUMP WILL NOT OPERATE .................................................................................PAGE 31
PLATFORM LOWERS TOO FAST OR TOO SLOW................................................PAGE 32
PLATFORM WILL NOT LOWER.............................................................................PAGE 33

Series 80-4 LM
(No Longer In Production)

SECTION ONE CLICK HERE
INTRODUCTION.........................................................................................................PAGE 4
WARNING ..................................................................................................................PAGE 5
PERIODIC MAINTENANCE CHECKLIST.....................................................................PAGE 6
DECALS, 80 SERIES..................................................................................................PAGE 7

SECTION TWO CLICK HERE
HYD. HOSE ROUTING, GRAVITY DOWN ..................................................................PAGE 8
253171 PUMP, GRAVITY DOWN .............................................................................PAGE 10
CONTROL SWITCH GRAVITY DOWN ......................................................................PAGE 12
FUSED POWER CABLE............................................................................................PAGE 13
WIRE CONNECTIONS GRAVITY DOWN ..................................................................PAGE 14

SECTION THREE CLICK HERE
HYD. HOSE ROUTING, POWER DOWN ...................................................................PAGE 15
CONTROL SWITCH, POWER DOWN .......................................................................PAGE 17
FUSED POWER CABLE............................................................................................PAGE 18
WIRE CONNECTIONS, POWER DOWN....................................................................PAGE 19
253170 PUMP, POWER DOWN ...............................................................................PAGE 20
80-4LM ASSEMBLY ................................................................................................PAGE 22
PUMP PRESSURE ADJUST SETTING ....................................................................PAGE 24

SECTION FOUR CLICK HERE
TROUBLESHOOTING...............................................................................................PAGE 25
PLATFORM WILL NOT RAISE .................................................................................PAGE 26
PLATFORM RAISES BUT LEAKS DOWN ................................................................PAGE 27
PLATFORM RAISES PARTIALLY AND STOPS .......................................................PAGE 28
LIFTGATE WILL NOT LIFT RATED CAPACITY .......................................................PAGE 29
PLATFORM RAISES SLOWLY ................................................................................PAGE 30
PUMP WILL NOT OPERATE ...................................................................................PAGE 31
PLATFORM LOWERS TOO FAST OR TOO SLOW..................................................PAGE 32
PLATFORM WILL NOT LOWER................................................................................PAGE 33

Series 80 2002 Aluminum Platform

SECTION ONE CLICK HERE
WARNINGS ......................................................................................................................6
LIFTGATE TERMINOLOGY ............................................................................................ 7
SERVICE TIME CHART................................................................................................... 8
PERIODIC MAINTENANCE CHECKLIST ....................................................................... 10
CHANGING HYDRAULIC FLUID ..................................................................................... 11

SECTION TWO CLICK HERE
ADJUSTMENTS .............................................................................................................13
PLATFORM ADJUSTMENT............................................................................................ 14
SADDLE ADJUSTMENT ................................................................................................ 16
REPLACING PLATFORM TORSION SPRING ................................................................ 17

SECTION THREE CLICK HERE
PARTS BREAKDOWN......................................................................................................18
80 SERIES FINAL ASSEMBLY ...................................................................................... 19
80 SERIES MAIN FRAME & LIFTING FRAME ............................................................... 20
PLATFORM & FLIPOVER ASSY (NO CART STOP) ....................................................... 22
PLATFORM & FLIPOVER ASSY (SINGLE CART STOP) ............................................... 23
FLIPOVER (SINGLE CART STOP) ................................................................................. 24
PLATFORM & FLIPOVER ASSY (DUAL CART STOP) ................................................... 25
FLIPOVER (DUAL CART STOP) .................................................................................... 26

SECTION FOUR CLICK HERE
HYDRAULIC COMPONENTS - GRAVITY DOWN............................................................. 28
PUMP BOX ASSEMBLY - GRAVITY DOWN .................................................................. 29
HYDRAULIC COMPONENTS - POWER DOWN............................................................... 30
PUMP BOX ASSEMBLY - POWER DOWN ..................................................................... 31
CONTROL SWITCH AND POWER CABLE ..................................................................... 32
DECALS ......................................................................................................................... 33

SECTION FIVE CLICK HERE
SCHEMATICS ................................................................................................................36
HYDRAULIC SCHEMATIC - GRAVITY DOWN ................................................................ 37
ELECTRICAL SCHEMATIC - GRAVITY DOWN .............................................................. 38
HYDRAULIC SCHEMATIC - POWER DOWN ................................................................... 39
ELECTRICAL SCHEMATIC - POWER DOWN.................................................................. 40
TROUBLESHOOTING......................................................................................................41
PLATFORM WILL NOT RAISE ....................................................................................... 42
PLATFORM RAISES BUT LEAKS DOWN....................................................................... 43
PLATFORM RAISES PARTIALLY AND STOPS ............................................................. 44
LIFTGATE WILL NOT LIFT RATED CAPACITY ............................................................. 45
PLATFORM RAISES SLOWLY ...................................................................................... 46
PLATFORM WILL NOT LOWER, LOWERS TOO SLOWLY/LOWERS TOO QUICKLY .... 47

Series 80 2002 Steel Platform

SECTION ONE CLICK HERE
WARNINGS...........................................................................................................................6
LIFTGATE TERMINOLOGY ................................................................................................ 7
SERVICE TIME CHART....................................................................................................... 8

SECTION TWO CLICK HERE
PERIODIC MAINTENANCE.................................................................................................10
PERIODIC MAINTENANCE CHECKLIST ........................................................................... 10
CHECKING HYDRAULIC FLUID ......................................................................................... 11
CHANGING HYDRAULIC FLUID ......................................................................................... 12
PLATFORM ADJUSTMENT................................................................................................ 14
SADDLE ADJUSTMENT .................................................................................................... 16
REPLACING PLATFORM TORSION SPRING .................................................................... 17

SECTION THREE CLICK HERE
PARTS BREAKDOWN..........................................................................................................18
80 SERIES FINAL ASSEMBLY ........................................................................................... 19
80 SERIES MAIN FRAME & LIFTING FRAME .................................................................... 20
PLATFORM & FLIPOVER ASSY ......................................................................................... 22
GRAVITY DOWN HYDRAULIC COMPONENTS.................................................................... 24
PUMP BOX ASSEMBLY (GRAVITY DOWN) ........................................................................ 25

SECTION FOUR CLICK HERE
POWER DOWN HYDRAULIC COMPONENTS....................................................................... 26
PUMP BOX ASSEMBLY (POWER DOWN) ........................................................................... 27
CONTROL SWITCH AND POWER CABLE ........................................................................... 28
DECALS ............................................................................................................................... 29

SECTION FIVE CLICK HERE
HYDRAULIC SYSTEM DIAGRAMS........................................................................................32
HYDRAULIC SCHEMATIC - GRAVITY DOWN ...................................................................... 32
HYDRAULIC SCHEMATIC - POWER DOWN ......................................................................... 33
ELECTRICAL SYSTEM DIAGRAMS .....................................................................................34
ELECTRICAL SCHEMATIC - GRAVITY DOWN .................................................................... 34
ELECTRICAL SCHEMATIC - POWER DOWN........................................................................ 35
TROUBLESHOOTING............................................................................................................36
PLATFORM WILL NOT RAISE ............................................................................................. 36
PLATFORM RAISES BUT LEAKS DOWN............................................................................. 37
PLATFORM RAISES PARTIALLY AND STOPS ................................................................... 38
LIFTGATE WILL NOT LIFT RATED CAPACITY ................................................................... 39
PLATFORM RAISES SLOWLY ............................................................................................ 40
PLATFORM WILL NOT LOWER, LOWERS TOO SLOWLY / LOWERS TOO QUICKLY ........ 41

GPT-3-LM 2000 Series

SECTION ONE CLICK HERE
INTRODUCTION..................................................................................................... PAGE 4
WARNING .............................................................................................................. PAGE 5
PERIODIC MAINTENANCE CHECKLIST................................................................ PAGE 6

SECTION TWO CLICK HERE
PUMP PRESSURE ADJUST SETTING ................................................................. PAGE 7
CONTROL SWITCH, POWER DOWN...................................................................... PAGE 8
HARNESS & SWITCH ASSY. ................................................................................ PAGE 9
FUSED POWER CABLE....................................................................................... PAGE 10
WIRE CONNECTIONS ......................................................................................... PAGE 11
HYD. HOSE ROUTING, POWER DOWN .............................................................. PAGE 12
262256 PUMP, POWER DOWN ........................................................................... PAGE 14

SECTION THREE CLICK HERE
GPT-3LM ASSEMBLY ........................................................................................ PAGE 16
DECALS, GPT SERIES ....................................................................................... PAGE 18
KIT, LOW VOLTAGE SWITCH (LVTS) ................................................................ PAGE 19
DECAL INSTRUCTION ........................................................................................ PAGE 20

SECTION FOUR CLICK HERE
TROUBLESHOOTING...........................................................................................PAGE 21
PLATFORM WILL NOT RAISE ............................................................................ PAGE 22
PLATFORM RAISES BUT LEAKS DOWN............................................................ PAGE 23
PLATFORM RAISES PARTIALLY AND STOPS................................................... PAGE 24
LIFTGATE WILL NOT LIFT RATED CAPACITY................................................... PAGE 25
PLATFORM RAISES SLOWLY ............................................................................ PAGE 26
PUMP WILL NOT OPERATE ............................................................................... PAGE 27
PLATFORM LOWERS TOO FAST OR TOO SLOW ............................................. PAGE 28
PLATFORM WILL NOT LOWER........................................................................... PAGE 29

GPT-4-LM 2000 Series
SECTION ONE CLICK HERE
INTRODUCTION..........................................................................................................PAGE 4
WARNING ...................................................................................................................PAGE 5
PERIODIC MAINTENANCE CHECKLIST.....................................................................PAGE 6
PUMP PRESSURE ADJUST SETTING ......................................................................PAGE 7

SECTION TWO CLICK HERE
CONTROL SWITCH, POWER DOWN .........................................................................PAGE 8
HARNESS & SWITCH ASSY. .....................................................................................PAGE 9
FUSED POWER CABLE............................................................................................PAGE 10
WIRE CONNECTIONS ............................................................................................ PAGE 11
HYD. HOSE ROUTING, POWER DOWN ...................................................................PAGE 12
262256 PUMP, POWER DOWN ...............................................................................PAGE 14

SECTION THREE CLICK HERE
GPT-4LM ASSEMBLY .............................................................................................PAGE 16
DECALS, GPT SERIES ...........................................................................................PAGE 18
KIT, LOW VOLTAGE SWITCH (LVTS).....................................................................PAGE 19
DECAL INSTRUCTION ............................................................................................PAGE 20

SECTION FOUR CLICK HERE
TROUBLESHOOTING..............................................................................................PAGE 21
PLATFORM WILL NOT RAISE ................................................................................PAGE 22
PLATFORM RAISES BUT LEAKS DOWN ................................................................PAGE 23
PLATFORM RAISES PARTIALLY AND STOPS ......................................................PAGE 24
LIFTGATE WILL NOT LIFT RATED CAPACITY ......................................................PAGE 25
PLATFORM RAISES SLOWLY ................................................................................PAGE 26
PUMP WILL NOT OPERATE ...................................................................................PAGE 27
PLATFORM LOWERS TOO FAST OR TOO SLOW..................................................PAGE 28
PLATFORM WILL NOT LOWER................................................................................PAGE 29

GPT-5-LM 2000 Series
SECTION ONE CLICK HERE
INTRODUCTION..........................................................................................................PAGE 4
WARNING ...................................................................................................................PAGE 5
PERIODIC MAINTENANCE CHECKLIST......................................................................PAGE 6
PUMP PRESSURE ADJUST SETTING .......................................................................PAGE 7

SECTION TWO CLICK HERE
CONTROL SWITCH, POWER DOWN ...........................................................................PAGE 8
HARNESS & SWITCH ASSY. .......................................................................................PAGE 9
FUSED POWER CABLE..............................................................................................PAGE 10
WIRE CONNECTIONS ............................................................................................... PAGE 11
HYD. HOSE ROUTING, POWER DOWN .....................................................................PAGE 12
262256 PUMP, POWER DOWN .................................................................................PAGE 14

SECTION THREE CLICK HERE
GPT-5LM ASSEMBLY ...............................................................................................PAGE 16
DECALS, GPT SERIES ..............................................................................................PAGE 18
KIT, LOW VOLTAGE SWITCH (LVTS)........................................................................PAGE 19
DECAL INSTRUCTION ...............................................................................................PAGE 20

SECTION FOUR CLICK HERE
TROUBLESHOOTING.................................................................................................PAGE 21
PLATFORM WILL NOT RAISE ...................................................................................PAGE 22
PLATFORM RAISES BUT LEAKS DOWN ..................................................................PAGE 23
PLATFORM RAISES PARTIALLY AND STOPS .........................................................PAGE 24
LIFTGATE WILL NOT LIFT RATED CAPACITY .........................................................PAGE 25
PLATFORM RAISES SLOWLY ..................................................................................PAGE 26
PUMP WILL NOT OPERATE .....................................................................................PAGE 27
PLATFORM LOWERS TOO FAST OR TOO SLOW....................................................PAGE 28
PLATFORM WILL NOT LOWER.................................................................................PAGE 29

GPT-25-LM
SECTION ONE CLICK HERE
INTRODUCTION...................................................................................................... PAGE 4
WARNING ............................................................................................................... PAGE 5
PERIODIC MAINTENANCE CHECKLIST................................................................. PAGE 6
PUMP PRESSURE ADJUST SETTING .................................................................. PAGE 7

SECTION TWO CLICK HERE
CONTROL SWITCH, POWER DOWN...................................................................... PAGE 8
HARNESS & SWITCH ASSY. ................................................................................. PAGE 9
FUSED POWER CABLE........................................................................................ PAGE 10
WIRE CONNECTIONS .......................................................................................... PAGE 11
HYD. HOSE ROUTING, POWER DOWN ............................................................... PAGE 12
262256 PUMP, POWER DOWN ............................................................................ PAGE 14

SECTION THREE CLICK HERE
GPT-25LM ASSEMBLY ....................................................................................... PAGE 16
DECALS, GPT SERIES ........................................................................................ PAGE 18
KIT, LOW VOLTAGE SWITCH (LVTS) ................................................................. PAGE 19
DECAL INSTRUCTION ......................................................................................... PAGE 20

SECTION FOUR CLICK HERE
TROUBLESHOOTING............................................................................................PAGE 21
PLATFORM WILL NOT RAISE ............................................................................. PAGE 22
PLATFORM RAISES BUT LEAKS DOWN............................................................. PAGE 23
PLATFORM RAISES PARTIALLY AND STOPS.................................................... PAGE 24
LIFTGATE WILL NOT LIFT RATED CAPACITY.................................................... PAGE 25
PLATFORM RAISES SLOWLY ............................................................................. PAGE 26
PUMP WILL NOT OPERATE ................................................................................ PAGE 27
PLATFORM LOWERS TOO FAST OR TOO SLOW .............................................. PAGE 28
PLATFORM WILL NOT LOWER............................................................................ PAGE 29
.

GPT SERIES 2002 Release
SECTION ONE CLICK HERE WARNING......................................................................................................................PAGE 6
LIFTGATE TERMINOLOGY .........................................................................................PAGE 7
SERVICE TIME CHART................................................................................................PAGE 8
PERIODIC MAINTENANCE CHECKLIST ....................................................................PAGE 11
CHANGING HYDRAULIC FLUID ..................................................................................PAGE 11

SECTION TWO CLICK HERE
ADJUSTMENTS ..........................................................................................................PAGE 13
SADDLE ADJUSTMENT ............................................................................................PAGE 14
REPLACING PLATFORM TORSION SPRING ............................................................PAGE 15
PLATFORM ADJUSTMENT........................................................................................PAGE 16

SECTION THREE CLICK HERE
PARTS BREAKDOWN.................................................................................................PAGE 18
GPT ASSEMBLY .......................................................................................................PAGE 19
GPT-25/-3 MAIN FRAME ASSEMBLY.........................................................................PAGE 20
GPT-4/-5 MAIN FRAME ASSEMBLY...........................................................................PAGE 22
PLATFORM & FLIPOVER ASSY (NO CART STOP) ...................................................PAGE 24
PLATFORM & FLIPOVER ASSY (SINGLE CART STOP) ...........................................PAGE 25
FLIPOVER (SINGLE CART STOP) .............................................................................PAGE 26
PLATFORM & FLIPOVER ASSY (DUAL CART STOP) ...............................................PAGE 27
DOCK BUMPER..........................................................................................................PAGE 29
HYDRAULIC COMPONENTS - POWER DOWN...........................................................PAGE 30
PUMP BOX ASSEMBLY - POWER DOWN .................................................................PAGE 31
CONTROL SWITCH AND POWER CABLE .................................................................PAGE 32

SECTION FOUR CLICK HERE
DECALS ....................................................................................................................PAGE 33
SCHEMATICS ............................................................................................................PAGE 37
HYDRAULIC SCHEMATIC - POWER DOWN ..............................................................PAGE 38
ELECTRICAL SCHEMATIC - POWER DOWN.............................................................PAGE 39
TROUBLESHOOTING.................................................................................................PAGE 40
PLATFORM WILL NOT RAISE ..................................................................................PAGE 41
PLATFORM RAISES BUT LEAKS DOWN..................................................................PAGE 42
PLATFORM RAISES PARTIALLY AND STOPS .......................................................PAGE 43
LIFTGATE WILL NOT LIFT RATED CAPACITY ........................................................PAGE 44
PLATFORM RAISES SLOWLY ..................................................................................PAGE 45
PLATFORM WON' T LOWER, LOWERS TOO SLOWLY, LOWERS TOO QUICKLY .. PAGE 46

GPTLR Series
SECTION ONE CLICK HERE
WARNINGS ......................................................................................................................... 6
LIFTGATE TERMINOLOGY .................................................................................................. 7
PERIODIC MAINTENANCE .................................................................................................. 8
PERIODIC MAINTENANCE CHECKS ...................................................................................8
PERIODIC MAINTENANCE CHECKLIST ............................................................................11
CHECKING HYDRAULIC FLUID ......................................................................................... 12
CHANGING HYDRAULIC FLUID ........................................................................................ 14
PLATFORM TORSION SPRING ADJUSTMENT ............................................................... 17
REPLACING PLATFORM TORSION SPRING ................................................................... 20

SECTION TWO CLICK HERE
PARTS BREAKDOWN ....................................................................................................... 22
MAIN ASSEMBLY: GPTLR-25 & GPTLR-33 (ALUMINUM PLATFORM) ............................ 22
MAIN ASSEMBLY: GPTLR-44 & GPTLR-55 (ALUMINUM PLATFORM) ............................ 24
MAIN ASSEMBLY: GPTLR-25 & GPTLR-33 (STEEL PLATFORM & RAMP OPTION) ...... 26
MAIN FRAME, LIFTING ARMS, & PARALLEL ARMS: GPTLR-25 & GPTLR-33................. 28
MAIN FRAME, LIFTING ARMS, & PARALLEL ARMS: GPTLR-44 & GPTLR-55................. 32
LH & RH PLATFORM SEATS: GPTLR-25 & GPTLR-33
(ALUMINUM PLATFORM WITH FIXED RAMP OR CART STOPS ONLY) .......................... 36
LH & RH PLATFORM SEATS: GPTLR-25 & GPTLR-33
(ALUMINUM PLATFORM WITH RETENTION RAMP ONLY) ............................................. 37
LH & RH PLATFORM SEATS: GPTLR-25 & GPTLR-33 (STEEL PLATFORM ONLY) ....... 38
LH & RH PLATFORM SEATS: GPTLR-44 & GPTLR-55
(ONLY ALUMINUM PLATFORM WITH FIXED RAMP OR CART STOPS) .......................... 39
LH & RH PLATFORM SEATS: GPTLR-44 & GPTLR-55
(ONLY PLATFORM WITH RETENTION RAMP) ................................................................ 40

SECTION THREE CLICK HERE
PLATFORM & FLIPOVER ASSEMBLY (ALUMINUM) ........................................................ 42
PLATFORM & FLIPOVER ASSEMBLY WITH CART STOPS (ALUMINUM) ....................... 44
FLIPOVER WITH SINGLE CART STOP (ALUMINUM) ....................................................... 46
FLIPOVER WITH DUAL CART STOPS (ALUMINUM) ........................................................ 48
PLATFORM & FLIPOVER ASSEM. W/SINGLE RETENTION RAMP (ALUMINUM) ............ 50
FLIPOVER WITH SINGLE RETENTION RAMP (ALUMINUM) ............................................ 52
PLATFORM & FLIPOVER ASSEMBLY (STEEL) ............................................................... 54
PUMP COVER & MOUNTING PLATE ASSEMBLY ........................................................... 55
GRAVITY DOWN HYDRAULIC COMPONENTS ................................................................. 56
POWER DOWN HYDRAULIC COMPONENTS ................................................................... 58

SECTION FOUR CLICK HERE
12 VDC POWER UNIT (GRAVITY DOWN) ......................................................................... 60
12 VDC POWER UNIT (POWER DOWN) ............................................................................ 62
DECALS ............................................................................................................................ 64
NONSKID & SAFETY STRIPING ....................................................................................... 66
CONTROL SWITCH AND POWER CABLE ........................................................................ 67
HYDRAULIC SYSTEM DIAGRAMS .................................................................................... 68
HYDRAULIC SCHEMATIC (GRAVITY DOWN) ................................................................... 68
HYDRAULIC SCHEMATIC (POWER DOWN) ...................................................................... 69
ELECTRICAL SYSTEM DIAGRAMS .................................................................................. 70
ELECTRICAL SCHEMATIC (GRAVITY DOWN) ................................................................. 70
ELECTRICAL SCHEMATIC (POWER DOWN) .................................................................... 71

SECTION FIVE CLICK HERE
RECOMMENDED BOLT TORQUES ................................................................................... 72
TROUBLESHOOTING ........................................................................................................ 73
PLATFORM WILL NOT RAISE .......................................................................................... 73
PLATFORM RAISES BUT LEAKS DOWN ......................................................................... 74
PLATFORM RAISES PARTIALLY AND STOPS ................................................................ 75
LIFTGATE WILL NOT LIFT RATED CAPACITY ................................................................ 76
PLATFORM RAISES SLOWLY ......................................................................................... 77
PLATFORM WON'T LOWER, LOWERS TOO SLOWLY, OR LOWERS TOO QUICKLY ..... 78

GPT Series - 2006
SECTION ONE CLICK HERE
WARNINGS ........................................................................................................................ 6
LIFTGATE TERMINOLOGY ............................................................................................... 7
PERIODIC MAINTENANCE ................................................................................................ 8
PERIODIC MAINTENANCE CHECKS ..................................................................................8
PERIODIC MAINTENANCE CHECKLIST .............................................................................9
CHECKING HYDRAULIC FLUID ........................................................................................ 10
CHANGING HYDRAULIC FLUID ........................................................................................ 12
REPLACING PLATFORM TORSION SPRING ................................................................... 13
PLATFORM ADJUSTMENT .............................................................................................. 14

SECTION TWO CLICK HERE
PARTS BREAKDOWN ....................................................................................................... 17
MAIN ASSEMBLY (ALUMINUM PLATFORM) .................................................................... 17
MAIN FRAME ASSEMBLY: GPT-25 & GPT-3 ................................................................... 18
MAIN FRAME ASSEMBLY: GPT-4 & GPT-5 ...................................................................... 22
PLATFORM & FLIPOVER ASSEMBLY (ALUMINUM) ......................................................... 26
PLATFORM & FLIPOVER ASSEMBLY WITH CART STOPS (ALUMINUM) ........................ 27
PLATFORM ASSEMBLY (ALUMINUM) ............................................................................... 28

SECTION THREE CLICK HERE
FLIPOVER WITH SINGLE CART STOP (ALUMINUM) ......................................................... 30
FLIPOVER WITH DUAL CART STOPS (ALUMINUM) .......................................................... 32
DOCK BUMPER .................................................................................................................. 34
HYDRAULIC COMPONENTS - POWER DOWN ................................................................... 36
PUMP ASSEMBLY - POWER DOWN .................................................................................. 38
PUMP BOX ASSEMBLY - POWER DOWN .......................................................................... 40
CONTROL SWITCH AND POWER CABLE .......................................................................... 41
DECALS ............................................................................................................................. 42

SECTION FOUR CLICK HERE
SYSTEM DIAGRAMS ......................................................................................................... 46
HYDRAULIC SCHEMATIC - POWER DOWN ....................................................................... 46
ELECTRICAL SCHEMATIC - POWER DOWN ..................................................................... 47
TROUBLESHOOTING .......................................................................................................... 48
PLATFORM WILL NOT RAISE ............................................................................................ 48
PLATFORM RAISES BUT LEAKS DOWN ........................................................................... 49
PLATFORM RAISES PARTIALLY AND STOPS .................................................................. 50
LIFTGATE WILL NOT LIFT RATED CAPACITY .................................................................. 51
PLATFORM RAISES SLOWLY ........................................................................................... 52
PLATFORM WON'T LOWER, LOWERS TOO SLOWLY, OR LOWERS TOO QUICKLY ....... 54
PLATFORM WON’T TILT DOWN TO THE GROUND ........................................................... 56

GPTWR-3 Ramp Series
SECTION ONE CLICK HERE
WARNINGS ......................................................................................................................... 6
LIFTGATE TERMINOLOGY .................................................................................................. 7
PERIODIC MAINTENANCE ................................................................................................. 8
PERIODIC MAINTENANCE CHECKS ...................................................................................8
PERIODIC MAINTENANCE CHECKLIST ..............................................................................9
CHECKING HYDRAULIC FLUID ......................................................................................... 10
CHANGING HYDRAULIC FLUID ......................................................................................... 12
REPLACING PLATFORM TORSION SPRING .................................................................... 13
PLATFORM ADJUSTMENT ............................................................................................... 14
PARTS BREAKDOWN ....................................................................................................... 16
MAIN ASSEMBLY (ALUMINUM PLATFORM) .................................................................... 16
EXTENSION PLATE ASSEMBLY ..................................................................................... 17


SECTION TWO CLICK HERE
MAIN FRAME ASSEMBLY ................................................................................................ 18
PLATFORM & FLIPOVER ASSEMBLY (ALUMINUM) ........................................................ 22
PLATFORM ASSEMBLY (ALUMINUM) ............................................................................. 24
DOCK BUMPER ................................................................................................................ 26
HYDRAULIC COMPONENTS - POWER DOWN ................................................................. 28
POWER UNIT - POWER DOWN......................................................................................... 30
PUMP BOX ASSEMBLY - POWER DOWN ........................................................................ 32
CONTROL SWITCH AND POWER CABLE ......................................................................... 33
DECALS ............................................................................................................................ 34


SECTION THREE CLICK HERE
SYSTEM DIAGRAMS ......................................................................................................... 38
HYDRAULIC SCHEMATIC - POWER DOWN ...................................................................... 38
ELECTRICAL SCHEMATIC - POWER DOWN .................................................................... 39
TROUBLESHOOTING ........................................................................................................ 40
PLATFORM WILL NOT RAISE .......................................................................................... 40
PLATFORM RAISES BUT LEAKS DOWN ......................................................................... 41
PLATFORM RAISES PARTIALLY AND STOPS ................................................................ 42
LIFTGATE WILL NOT LIFT RATED CAPACITY ............................................................... 43
PLATFORM RAISES SLOWLY ......................................................................................... 44
PLATFORM WON'T LOWER, LOWERS TOO SLOWLY, OR LOWERS TOO QUICKLY ..... 46
PLATFORM WON’T TILT DOWN TO THE GROUND ......................................................... 48

MTB Series
SECTION ONE CLICK HERE
WARNINGS ......................................................................................................................... 5
LIFTGATE TERMINOLOGY ............................................................................................... 6
PERIODIC MAINTENANCE ................................................................................................. 7
PERIODIC MAINTENANCE CHECKLIST ............................................................................ 7
CHECKING HYDRAULIC FLUID .......................................................................................... 8
CHANGING HYDRAULIC FLUID ........................................................................................ 10
PLATFORM ADJUSTMENT............................................................................................... 12
REPLACING PLATFORM TORSION SPRING ................................................................... 14
SAFETY HOOK MAINTENANCE ...................................................................................... 16

SECTION TWO CLICK HERE
PARTS BREAKDOWN....................................................................................................... 17
MTB-25 & MTB-30 MAIN ASSEMBLY .............................................................................. 19
MAIN FRAME ASSEMBLY................................................................................................ 20
LIFT FRAME & PARALLEL ARMS..................................................................................... 22
GRAVITY DOWN HYDRAULIC COMPONENTS................................................................. 27
12 VDC POWER UNIT (GRAVITY DOWN) ......................................................................... 28
POWER DOWN HYDRAULIC COMPONENTS.................................................................... 29
12 VDC POWER UNIT (POWER DOWN) ........................................................................... 30
DECALS ........................................................................................................................... 31

SECTION THREE CLICK HERE
CONTROL SWITCH AND POWER CABLE ........................................................................ 32
HYDRAULIC SYSTEM DIAGRAMS .................................................................................. 33
HYDRAULIC SCHEMATIC (MTB-25 & MTB-30 GRAVITY DOWN) .................................... 33
HYDRAULIC SCHEMATIC (MTB-25 & MTB-30 POWER DOWN) ....................................... 34
ELECTRICAL SYSTEM DIAGRAMS ................................................................................ 35
ELECTRICAL SCHEMATIC (MTB-25 & MTB-30 GRAVITY DOWN) .................................. 35
ELECTRICAL SCHEMATIC (MTB-25 & MTB-30 POWER DOWN) ..................................... 36
TROUBLESHOOTING ...................................................................................................... 37
PLATFORM WILL NOT RAISE ......................................................................................... 37
PLATFORM RAISES BUT LEAKS DOWN.......................................................................... 38
PLATFORM RAISES PARTIALLY AND STOPS ............................................................... 39
LIFTGATE WILL NOT LIFT RATED CAPACITY ............................................................... 40
PLATFORM RAISES SLOWLY ......................................................................................... 41
PLATFORM WON'T LOWER, LOWERS TOO SLOWLY, OR LOWERS TOO QUICKLY .... 42

MTB Series - Out of Production
SECTION ONE CLICK HERE
WARNINGS ......................................................................................................................... 6
LIFTGATE TERMINOLOGY ................................................................................................ 7
PERIODIC MAINTENANCE CHECKLIST ............................................................................. 8
CHANGING HYDRAULIC FLUID ........................................................................................... 9
PLATFORM ADJUSTMENT................................................................................................ 10
REPLACING PLATFORM TORSION SPRING .................................................................... 12
SAFETY HOOK MAINTENANCE ........................................................................................ 14

SECTION TWO CLICK HERE
PARTS BREAKDOWN..........................................................................................................15
72-25C/30C ASSEMBLY .................................................................................................... 17
MAIN FRAME ASSEMBLY.................................................................................................. 18
ARM ASSEMBLY................................................................................................................ 20
PLATFORM ASSEMBLY .................................................................................................... 21
HYDRAULIC COMPONENTS ............................................................................................. 22
GRAVITY DOWN ELECTRIC COMPONENTS .................................................................... 24
POWER DOWN ELECTRIC COMPONENTS ....................................................................... 26
DECALS ............................................................................................................................. 28
CONTROL SWITCH AND POWER CABLE .......................................................................... 29
LIQUID SEALANT APPLICATION ...................................................................................... 30

SECTION THREE CLICK HERE
OPTIONS.............................................................................................................................31
PLATFORM ASSEMBLY (72” x 40” + 10”) - RETENTION RAMP OPTION ......................... 32
HINGE ASSEMBLY, RIGHT HAND ..................................................................................... 34
HINGE ASSEMBLY, LEFT HAND........................................................................................ 35
PLATFORM ASSEMBLY - WEDGE FLIPOVER OPTION..................................................... 36
GRAVITY DOWN LOW VOLTAGE SWITCH (LVTS) ........................................................... 37
POWER DOWN LOW VOLTAGE SWITCH (LVTS) .............................................................. 38
TROUBLESHOOTING..........................................................................................................39
PLATFORM WILL NOT RAISE ........................................................................................... 40
PLATFORM RAISES BUT LEAKS DOWN........................................................................... 41
PLATFORM RAISES PARTIALLY AND STOPS ................................................................. 42
LIFTGATE WILL NOT LIFT RATED CAPACITY ................................................................. 43
PLATFORM RAISES SLOWLY ........................................................................................... 44
PLATFORM WON'TT LOWER, LOWERS TOO SLOWLY, OR LOWERS TOO QUICKLY .... 45

TE-25 and TE-25L
CLICK HERE
WARNINGS .........................................................................................................,............. 3
TE-25 & TE-25L LIFTGATE COMPONENTS .....................................................................4
PARTS BOX FOR TE-25 & TE-25L GRAVITY DOWN ........................................................5
PARTS BOX FOR TE-25 & TE-25L POWER DOWN ...........................................................6
STEP 1 - PREPARE VEHICLE ...........................................................................................7
STEP 2 - WELD EXTENSION PLATE TO VEHICLE ..........................................................9
STEP 3 - WELD LIFTGATE TO VEHICLE ........................................................................12
STEP 4 - RUN HYDRAULIC LINES (GRAVITY DOWN) .....................................................14
STEP 4 - RUN HYDRAULIC LINES (POWER DOWN) ........................................................16
STEP 5 - ADD HYDRAULIC FLUID TO RESERVOIR ........................................................18
STEP 6 - RUN POWER CABLE ........................................................................................19
STEP 7 - CONNECT POWER CABLE ...............................................................................20
STEP 8 - INSTALL CONTROL SWITCH ...........................................................................21
STEP 9 - CONNECT POWER CABLE TO BATTERY .......................................................23
STEP 10 - REMOVE LOCKING ANGLE ...........................................................................24
STEP 11 - FINISH WELDING LIFTGATE TO VEHICLE ....................................................25
STEP 12 - PLATFORM ADJUSTMENT (IF REQUIRED) ...................................................27
STEP 13 - WELD PLATFORM OPENER TO LIFTGATE ..................................................29
STEP 14 - ADJUST SAFETY HOOK (IF REQUIRED) .......................................................31
STEP 15 - WELD ON LOCK BRACKET ............................................................................32
STEP 16 - DECALS ..........................................................................................................33
STEP 17 - VEHICLE TAILLIGHT POSITIONING (IF REQUIRED) .....................................34
HYDRAULIC SYSTEM DIAGRAMS ..................................................................................35
HYDRAULIC SCHEMATIC (GRAVITY DOWN) ..................................................................35
HYDRAULIC SCHEMATIC (POWER DOWN) .....................................................................36
ELECTRICAL SYSTEM DIAGRAMS ................................................................................37
ELECTRICAL SCHEMATIC (GRAVITY DOWN) ................................................................37
ELECTRICAL SCHEMATIC (POWER DOWN) ...................................................................38
OPTIONS ........................................................................................................................ 39
RUBBER DOCK BUMPER KIT ..........................................................................................39
RECOMMENDED LIFTGATE POWER CONFIGURATION ................................................40

TKL-25 Before September 2002
CLICK HERE
INTRODUCTION........................................................................................................ PAGE 4
WARNING ................................................................................................................. PAGE 5
PERIODIC MAINTENANCE CHECKLIST.................................................................... PAGE 6
DECALS .................................................................................................................... PAGE 7
SAFETY HOOK.......................................................................................................... PAGE 8
PLATFORM ADJUSTMENT ...................................................................................... PAGE 9
REPLACING PLATFORM TORSION SPRING ......................................................... PAGE 10
PIN & BEARING LOCATION.................................................................................... PAGE 11
TKL-25LM ASSEMBLY ........................................................................................... PAGE 12
PUMP ASSEMBLY, GRAVITY DOWN ..................................................................... PAGE 14
HYDRAULIC ASSEMBLY ........................................................................................ PAGE 16
PUMP ENCLOSURE................................................................................................ PAGE 17
CONTROL SWITCH ................................................................................................ PAGE 18
WIRE CONNECTIONS, GRAVITY DOWN ................................................................ PAGE 19
TROUBLESHOOTING...............................................................................................PAGE 20
PLATFORM WILL NOT RAISE ................................................................................ PAGE 21
PLATFORM RAISES BUT LEAKS DOWN................................................................ PAGE 22
PLATFORM RAISES PARTIALLY AND STOPS ...................................................... PAGE 23
LIFTGATE WILL NOT LIFT RATED CAPACITY ...................................................... PAGE 24
PLATFORM RAISES SLOWLY ............................................................................... PAGE 25
PLATFORM WILL NOT LOWER............................................................................... PAGE 26
GLOSSARY OF TERMS ......................................................................................... PAGE 27

TKL-25 After September 2002
SECTION ONE CLICK HERE
WARNINGS ......................................................................................................................... 5
LIFTGATE TERMINOLOGY ................................................................................................ 6
PERIODIC MAINTENANCE .................................................................................................. 7
PERIODIC MAINTENANCE CHECKLIST ............................................................................. 7
CHECKING HYDRAULIC FLUID ........................................................................................... 8
CHANGING HYDRAULIC FLUID ......................................................................................... 10
PLATFORM ADJUSTMENT............................................................................................... 12
REPLACING PLATFORM TORSION SPRING ................................................................... 14
SAFETY HOOK MAINTENANCE ....................................................................................... 16

SECTION TWO CLICK HERE
PARTS BREAKDOWN......................................................................................................... 17
TKL-25 MAIN ASSEMBLY ................................................................................................ 18
EXTENSION PLATE ASSEMBLY ..................................................................................... 19
LIFT FRAME & PARALLEL ARMS..................................................................................... 20
PLATFORM & FLIPOVER ASSEMBLY.............................................................................. 21
PUMP COVER & MOUNTING PLATE ASSEMBLY ........................................................... 22
GRAVITY DOWN HYDRAULIC COMPONENTS.................................................................. 23
12 VDC POWER UNIT (GRAVITY DOWN) ......................................................................... 24
POWER DOWN HYDRAULIC COMPONENTS..................................................................... 25
12 VDC POWER UNIT (POWER DOWN) ........................................................................... 26
DECALS ............................................................................................................................ 27

SECTION THREE CLICK HERE
CONTROL SWITCH AND POWER CABLE ........................................................................ 28
HYDRAULIC SYSTEM DIAGRAMS .................................................................................. 29
HYDRAULIC SCHEMATIC (TKL-25 GRAVITY DOWN) ....................................................... 29
HYDRAULIC SCHEMATIC (TKL-25 POWER DOWN)......................................................... 30
ELECTRICAL SYSTEM DIAGRAMS ................................................................................ 31
ELECTRICAL SCHEMATIC (TKL-25 GRAVITY DOWN)...................................................... 31
ELECTRICAL SCHEMATIC (TKL-25 POWER DOWN)....................................................... 32
TROUBLESHOOTING ...................................................................................................... 33
PLATFORM WILL NOT RAISE .......................................................................................... 33
PLATFORM RAISES BUT LEAKS DOWN.......................................................................... 34
PLATFORM RAISES PARTIALLY AND STOPS ................................................................ 35
LIFTGATE WILL NOT LIFT RATED CAPACITY ................................................................ 36
PLATFORM RAISES SLOWLY .......................................................................................... 37
PLATFORM WON'T LOWER, LOWERS TOO SLOWLY, OR LOWERS TOO QUICKLY .... 38