The Maxon TG 20/150 LMV (05/2000) is a versatile and durable liftgate designed to enhance the efficiency and safety of your cargo handling operations. With a lifting capacity of 2000 lbs, this liftgate allows you to effortlessly load and unload heavy items with minimal manual effort. Its gravity-down feature ensures smooth and controlled lowering of the platform, reducing the risk of accidents and damage to your cargo. The TG 20/150 LMV is engineered to withstand the rigors of daily use, providing you with reliable performance for years to come.
The Maxon TG 20/150 LMV (05/2000) is a versatile and durable liftgate designed to enhance the efficiency and safety of your cargo handling operations. With a lifting capacity of 2000 lbs, this liftgate allows you to effortlessly load and unload heavy items with minimal manual effort. Its gravity-down feature ensures smooth and controlled lowering of the platform, reducing the risk of accidents and damage to your cargo. The TG 20/150 LMV is engineered to withstand the rigors of daily use, providing you with reliable performance for years to come.
11921 Slauson Avenue.
Santa Fe Springs, CA. 90670
(800) 227-4116
TG-150 LMV
TG-20 LMV
MAINTENANCE MANUAL
C MAXON Lift Corp. 2000
CONVENTIONAL
LIFTLIFT
LIFTLIFT
LIFT
GAGA
GAGA
GA
TE SERIESTE SERIES
TE SERIESTE SERIES
TE SERIES
M-99-46
REV. 2
APRIL. 2000
LIFT CORP.
11921 Slauson Ave.
Santa Fe Springs, CA. 90670
CUSTOMER SERVICE:
TELEPHONE (562) 464-0099 TOLL FREE (800) 227-4116
FAX: (888) 771-7713
WARRANTY POLICY & PROCEDURE
NOTE: Check with Customer Service for updated versions
of Manuals on an annual basis.
NEW LIFTGATE WARRANTY
Term of Warranty: 2 Years from Date of In-Service
Type of Warranty: Full Parts and Labor
MAXON agrees to replace any components which are found to be defective during the first 2
years of service, and will reimburse for labor based on MAXON’s Liftgate Warranty Flat Rate Labor
Schedule. (Call MAXON Customer Service for a copy).
All claims for warranty must be received within 30 Days of the repair date, and include the
following information:
1. Liftgate Model Number
2. Liftgate Serial Number
3. Detailed Description of Problem
4. Corrective Action Taken, and Date of Repair.
5. Parts used for Repair, Including MAXON Part Number(s).
6. MAXON R.M.A. # and/or Authorization # if applicable (see below).
7. Person contacted at MAXON if applicable.
All warranty repairs must be performed by an authorized MAXON warranty station. For major
repairs, MAXON Customer Service must be notified and an “Authorization Number” obtained. Major
repairs would generally be considered repairs made to the structural assembly of the liftgate and/or
repairs not outlined in the MAXON Liftgate Warranty Flat Rate Schedule.
Major components (i.e. hydraulic pumps, cylinders, valves, or failed structural parts) must be
returned, freight pre-paid, prior to the claim being processed. To ensure timely processing of these
warranty claims, an R.M.A. (Returned Merchandise Authorization) number must be obtained from
MAXON Customer Service prior to the return of any defective part. Defective Parts must be returned
within 60 days of the claim date for consideration to:
MAXON Lift Corp.
16205 Distribution Way, Cerritos, CA 90703
Attn: RMA#__
MAXON’s warranty policy does not include the reimbursement for travel time, towing, vehicle
rental, service calls, oil, batteries, defects due to misuse or abuse, or loss of income due to downtime.
Fabrication of parts, which are available from MAXON, are also not covered.
MAXON’s Flat Rate Labor Schedule takes into consideration the time required for diagnosis of a
problem.
PURCHASE PART W ARRANTY
Term of Warranty: 1 Year from Date of Purchase
Type of Warranty: Part Replacement
MAXON will guarantee all returned genuine replacement parts upon receipt and inspection of
parts and invoice.
Table of Contents
WARNING ............................................................................................. PAGE 4
PERIODIC MAINTENANCE CHECKLIST............................................. PAGE 5
DECALS ................................................................................................ PAGE 6
CONTROL SWITCH GRAVITY DOWN ................................................. PAGE 7
ASSEMBLY DRAWING ......................................................................... PAGE 8
WIRE CONNECTIONS ....................................................................... PAGE 11
PUMP ASSEMBLY, GRAVITY DOWN................................................. PAGE 12
HARNESS & SWITCH ASSEMBLY .................................................... PAGE 14
LOW VOLTAGE / THERMAL SWITCH (LVTS) ................................... PAGE 15
TROUBLESHOOTING.............................................PAGE 17
PLATFORM WILL NOT RAISE ........................................................... PAGE 18
PLATFORM WILL NOT LOWER ......................................................... PAGE 19
PLATFORM RAISES BUT LEAKS DOWN .......................................... PAGE 20
PLATFORM RAISES PARTIALLY AND STOPS.................................. PAGE 21
LIFTGATE WILL NOT LIFT RATED CAPACITY .................................. PAGE 22
PLATFORM RAISES SLOWLY ........................................................... PAGE 23
11921 Slauson Ave. Santa Fe Springs, CA. 90670 (800) 227-4116 FAX (888) 771-7713
PAGE 4
1. Read the Maintenance Manual and understand it thoroughly before any maintenance of
this unit is done.
2. Read the YELLOW urgent warning decal on the side of the vehicle close to the unit before
operating.
3. If decals are dirty, clean them. If decals are defaced or missing, replace them. Free replace-
ments are available from the manufacturer. See information at the end of the Warnings
4. Be aware that the safety and location of other people or objects should be considered
before operation of this unit. Stand to one side of platform while operating this unit. Do not
stand in a position that would put you in the path of any moving vehicles around you.
5. Do not stand under, or have any foreign object under the Platform when lowering. Be sure
that the lowering of the Platform and/or Flipover will miss your feet!
6. Keep fingers, hands, arms, legs, and feet clear of moving parts when operating this unit.
7. If during your maintenance procedure, it becomes necessary to ride the platform, keep your
feet and any foreign objects clear of the rear edge of the platform. Otherwise your feet or
the foreign objects could become trapped between the edge of the platform and the vehicle
bed.
8. Inspect all Roll Pins monthly, to insure that they are not broken. Replace if broken.
9. Inspect all hydraulic hoses and fittings annually. Check for cracks and deterioration, and
replace if necessary.
10. Disconnect battery when replacing parts or servicing.
11. Do not allow children to ride, play with, or operate this unit.
12. In the event of an emergency while operating the unit, release the toggle switch and the unit
will stop immediately.
13. A properly installed Lift should operate smoothly and the only noise during the operation of
this unit should be from the Pump Unit during the raising of the Platform. Any scraping,
grating or audible indications of rough operation will need investigating. The cause will need
resolving before any further deterioration of performance occurs.
14. Use only Maxon Authorized Parts for replacement. Replacement parts should be ordered
from:
MAXON LIFT CORP. Parts Department
11921 Slauson Ave., Santa Fe Springs, Ca. 90670
Phone: (800) 227-4116
WARNING
11921 Slauson Ave. Santa Fe Springs, CA. 90670 (800) 227-4116 FAX (888) 771-7713
PAGE 5
* COLD WEATHER OPERATION
OIL SPECIFICATIONS:
Grade ISO-(32)
Gravity, API - 29.5 Degrees
Pour Point, F- (-54 Degrees)
VISCOSITY:
@ 40 Degrees C - 31.2 cSt
@100 Degrees C - 6.2 cSt
VISCOSITY INDEX - 154 VI
Flash Point, F - 325 Degrees
Visually check the complete unit for excessive wear, worn parts or broken welds.
Check all Hinge Pins for excessive wear or broken welds. For parts replacement,
see the Assembly Breakdown Drawings.
PERIODIC MAINTENANCE CHECKLIST
Check the oil in the Pump Reservoir. The oil should be Grade ISO-(32) Hydraulic
Fluid. *See below for Cold Weather operation.
Check Hoses and Fittings for scuffing and leaks. Replace if necessary.
Check the electrical wiring for worn insulation, and the terminals for corrosion and
secure fit.
Check all bolts for tightness.
Check that all Warning Decals are in place and readable.
Check that all roll pins are properly installed. Replace if necessary.
Inspect the Hook & Chain Assembly for proper operation.
Annually
Quarterly
Six Months
Visually check the Platform Hinge Pins for excessive wear or broken welds. For
parts replacement, see the Assembly Breakdown Drawings.
11921 Slauson Ave. Santa Fe Springs, CA. 90670 (800) 227-4116 FAX (888) 771-7713
PAGE 6
DECAL #264081
DECALS
THE MAXIMUM CAPACITY OF
THIS LIFT IS
WHEN THE LOAD IS
CENTERED ON THE LOAD
CARRYING PLATFORM
1500 LBS.
P/N 220386
THE MAXIMUM CAPACITY OF
THIS LIFT IS
WHEN THE LOAD IS
CENTERED ON THE LOAD
CARRYING PLATFORM
2000 LBS.
P/N 220387
CACA
CACA
CA
UTION!UTION!
UTION!UTION!
UTION!
DO NOT USE BRAKE FLUID...
USE: No. 10W S.A.E. Motor Oil
Hydraulic Hoist Oil
Type “A” Transmission Fluid
“Fill only when lift is lowered to
ground”
P/N 801358
CACA
CACA
CA
UTION!UTION!
UTION!UTION!
UTION!
STST
STST
ST
AND CLEARAND CLEAR
AND CLEARAND CLEAR
AND CLEAR
P/N 050092
These Decals should be read and completely
understood before operating the unit. They should
also be kept clean and readable at all times. If any
decal should become detached from the vehicle, or
defaced, it must be replaced. Free replacements are
available from: MAXON Lift Corp., Parts Department.
DECAL #050092
DECAL #220386
or #220387
Locate DECAL #801358
on Reservoir
Sugessted Decal
Locations
WARNING
READ CAREFULLY
• Improper operation of this Lift can result in serious personal injury.
Do not operate unless you have been properly instructed and have
read, and are familiar with the operating instructions. If you do not
have a copy of the instructions, please obtain them from your
employer, distributor, or lessor, before you attempt to operate Lift.
• Be certain that the vehicle is properly and securely braked before
using the Lift.
• Always inspect this Lift for maintenance or damage before using it. If
there are signs of improper maintenance, damage to vital parts, or
slippery Platform surface, do not use the Lift until these problems
have been corrected.
• Do not overload the Lift. The load limit is based on evenly distrib-
uted cargo over the entire Platform surface. If you are using a pallet
jack, be sure it can be maneuvered safely. Do not operate a forklift on
the Platform or travel with the platform in an open position at any time.
• Load should be placed in a stable position close to the edge of the
Platform nearest the truck. The heaviest portion of the load should
never be placed beyond the center of the Platform away from the
truck.
• Never allow yourself, a helper, or bystander to stand in a position
where a falling load could land on either of you. Also do not allow any
part of yours or your helper’s body to be placed under, within, or
around any portion of the moving liftgate, or it’s mechanisms, or in a
position that would trap them between the platform and the ground or
truck when the liftgate is operated.
• If a helper is riding the Platform with you, make sure you are both
doing so safely and that you are not in danger of coming in contact
with any moving or potentially moving obstacles. USE GOOD
COMMON SENSE. If load appears to be unsafe, do not lift or lower it.
MAXON LIFT CORP. PART NO. 264081
!
!
LOWER
RAISE
P/N 264507
11921 Slauson Ave. Santa Fe Springs, CA. 90670 (800) 227-4116 FAX (888) 771-7713
PAGE 7
CONTROL SWITCH GRAVITY DOWN
Assemble Switch to the vertical post as shown.
Harness Assembly
P/N 264472
Switch & Cable
Assembly
P/N 264346
To Switch
Decal
P/N 264507
LOWER
RAISE
P/N 264507
Battery Cable Assembly (32’ Std.)
(Includes Replacement Fuse Kit)
P/N 264422
200AMP Replacement Fuse
Kit (P/N 264687)
Short End to
Vehicle Battery
Cable Assembly
Extension Cable Assembly
Long End to Motor
Solenoid
Do not att ach cable to
battery until liftgate is
completely installed.
WARNING
STIKELBACYRETTABELBAILIAVALANOITIDDASTIKELBACYRETTABELBAILIAVALANOITIDDA
STIKELBACYRETTABELBAILIAVALANOITIDDA
STIKELBACYRETTABELBAILIAVALANOITIDDASTIKELBACYRETTABELBAILIAVALANOITIDDA
TRAPTRAP
TRAP
TRAPTRAP
REBMUN
YLBMESSAELBAC'04YLBMESSAELBAC'04
YLBMESSAELBAC'04
YLBMESSAELBAC'04YLBMESSAELBAC'04848462848462
848462
848462848462
YLBMESSAELBACNOISNETXE'01YLBMESSAELBACNOISNETXE'01
YLBMESSAELBACNOISNETXE'01
YLBMESSAELBACNOISNETXE'01YLBMESSAELBACNOISNETXE'01948462948462
948462
948462948462
11921 Slauson Ave. Santa Fe Springs, CA. 90670 (800) 227-4116 FAX (888) 771-7713
PAGE 8
ASSEMBLY DRAWING
1,1a*
2
3,26*,28*
5,37*
6
7,26*,28*
8
9
10
4,26*,31*,32*
5,37*
11,26*
12
13,26*,
27*,28*
14,26*
12
12
15,25*
16,28*31*
12
12
12
17,26*
18
23
9,29*,
30*
10
21
20
22
19
*
= Not Shown
24,36*
4,26*,
31*,32*
26*
33*,34*,38*
35
11921 Slauson Ave. Santa Fe Springs, CA. 90670 (800) 227-4116 FAX (888) 771-7713
PAGE 9
ASSEMBLY DRAWING
(Continued on next page)
METIMETI
METI
METIMETI.YTQ.YTQ
.YTQ
.YTQ.YTQ
TRAPTRAP
TRAP
TRAPTRAP
REBMUN
NOITPIRCSEDNOITPIRCSED
NOITPIRCSED
NOITPIRCSEDNOITPIRCSED
11
1
1111
1
11
10-20616210-206162
10-206162
10-20616210-206162EDIW"08x"63TNEMDLEWMROFTALPEDIW"08x"63TNEMDLEWMROFTALP
EDIW"08x"63TNEMDLEWMROFTALP
EDIW"08x"63TNEMDLEWMROFTALPEDIW"08x"63TNEMDLEWMROFTALP
40-20616240-206162
40-206162
40-20616240-206162EDIW"08x"24TNEMDLEWMROFTALPEDIW"08x"24TNEMDLEWMROFTALP
EDIW"08x"24TNEMDLEWMROFTALP
EDIW"08x"24TNEMDLEWMROFTALPEDIW"08x"24TNEMDLEWMROFTALP
70-20616270-206162
70-206162
70-20616270-206162EDIW"08x"84TNEMDLEWMROFTALPEDIW"08x"84TNEMDLEWMROFTALP
EDIW"08x"84TNEMDLEWMROFTALP
EDIW"08x"84TNEMDLEWMROFTALPEDIW"08x"84TNEMDLEWMROFTALP
20-20616220-206162
20-206162
20-20616220-206162EDIW"68x"63TNEMDLEWMROFTALPEDIW"68x"63TNEMDLEWMROFTALP
EDIW"68x"63TNEMDLEWMROFTALP
EDIW"68x"63TNEMDLEWMROFTALPEDIW"68x"63TNEMDLEWMROFTALP
50-20616250-206162
50-206162
50-20616250-206162EDIW"68x"24TNEMDLEWMROFTALPEDIW"68x"24TNEMDLEWMROFTALP
EDIW"68x"24TNEMDLEWMROFTALP
EDIW"68x"24TNEMDLEWMROFTALPEDIW"68x"24TNEMDLEWMROFTALP
80-20616280-206162
80-206162
80-20616280-206162EDIW"68x"84TNEMDLEWMROFTALPEDIW"68x"84TNEMDLEWMROFTALP
EDIW"68x"84TNEMDLEWMROFTALP
EDIW"68x"84TNEMDLEWMROFTALPEDIW"68x"84TNEMDLEWMROFTALP
30-20616230-206162
30-206162
30-20616230-206162EDIW"29x"63TNEMDLEWMROFTALPEDIW"29x"63TNEMDLEWMROFTALP
EDIW"29x"63TNEMDLEWMROFTALP
EDIW"29x"63TNEMDLEWMROFTALPEDIW"29x"63TNEMDLEWMROFTALP
60-20616260-206162
60-206162
60-20616260-206162EDIW"29x"24TNEMDLEWMROFTALPEDIW"29x"24TNEMDLEWMROFTALP
EDIW"29x"24TNEMDLEWMROFTALP
EDIW"29x"24TNEMDLEWMROFTALPEDIW"29x"24TNEMDLEWMROFTALP
90-20616290-206162
90-206162
90-20616290-206162EDIW"29x"84TNEMDLEWMROFTALPEDIW"29x"84TNEMDLEWMROFTALP
EDIW"29x"84TNEMDLEWMROFTALP
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*a1*a1
*a1
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1
11
20-44935220-449352
20-449352
20-44935220-449352EDIW"08xDEXIF"6,PMAREDIW"08xDEXIF"6,PMAR
EDIW"08xDEXIF"6,PMAR
EDIW"08xDEXIF"6,PMAREDIW"08xDEXIF"6,PMAR
30-44935230-449352
30-449352
30-44935230-449352EDIW"68xDEXIF"6,PMAREDIW"68xDEXIF"6,PMAR
EDIW"68xDEXIF"6,PMAR
EDIW"68xDEXIF"6,PMAREDIW"68xDEXIF"6,PMAR
50-44935250-449352
50-449352
50-44935250-449352EDIW"08xDEXIF"21,PMAREDIW"08xDEXIF"21,PMAR
EDIW"08xDEXIF"21,PMAR
EDIW"08xDEXIF"21,PMAREDIW"08xDEXIF"21,PMAR
60-44935260-449352
60-449352
60-44935260-449352EDIW"68xDEXIF"21,PMAREDIW"68xDEXIF"21,PMAR
EDIW"68xDEXIF"21,PMAR
EDIW"68xDEXIF"21,PMAREDIW"68xDEXIF"21,PMAR
038352038352
038352
038352038352EDIW"08xPOTSTRACELGNIS,PMAREDIW"08xPOTSTRACELGNIS,PMAR
EDIW"08xPOTSTRACELGNIS,PMAR
EDIW"08xPOTSTRACELGNIS,PMAREDIW"08xPOTSTRACELGNIS,PMAR
10-03835210-038352
10-038352
10-03835210-038352EDIW"68xPOTSTRACELGNIS,PMAREDIW"68xPOTSTRACELGNIS,PMAR
EDIW"68xPOTSTRACELGNIS,PMAR
EDIW"68xPOTSTRACELGNIS,PMAREDIW"68xPOTSTRACELGNIS,PMAR
098352098352
098352
098352098352EDIW"08xPOTSTRACLAUD,PMAREDIW"08xPOTSTRACLAUD,PMAR
EDIW"08xPOTSTRACLAUD,PMAR
EDIW"08xPOTSTRACLAUD,PMAREDIW"08xPOTSTRACLAUD,PMAR
10-09835210-098352
10-098352
10-09835210-098352EDIW"68xPOTSTRACLAUD,PMAREDIW"68xPOTSTRACLAUD,PMAR
EDIW"68xPOTSTRACLAUD,PMAR
EDIW"68xPOTSTRACLAUD,PMAREDIW"68xPOTSTRACLAUD,PMAR
22
2
2211
1
11586252586252
586252
586252586252GNOL"57.31x.AID"1,NIPGNOL"57.31x.AID"1,NIP
GNOL"57.31x.AID"1,NIP
GNOL"57.31x.AID"1,NIPGNOL"57.31x.AID"1,NIP
33
3
3311
1
1110-57625210-576252
10-576252
10-57625210-576252.H.LTNEMDLEWMRALELLARAP.H.LTNEMDLEWMRALELLARAP
.H.LTNEMDLEWMRALELLARAP
.H.LTNEMDLEWMRALELLARAP.H.LTNEMDLEWMRALELLARAP
44
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4422
2
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TNEMDLEWRESOLCMROFTALP,MRA
TNEMDLEWRESOLCMROFTALP,MRATNEMDLEWRESOLCMROFTALP,MRA
55
5
5522
2
2210-69816210-698162
10-698162
10-69816210-698162GNOL"10.4xAID"1,TNEMDLEWNIPGNOL"10.4xAID"1,TNEMDLEWNIP
GNOL"10.4xAID"1,TNEMDLEWNIP
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66
6
6611
1
11038062038062
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77
7
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1
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88
8
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99
9
9922
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22795162795162
795162
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0101
01
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2
2210-65416210-654162
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10-65416210-654162GNOL"58.6xAID"1,TNEMDLEWNIPGNOL"58.6xAID"1,TNEMDLEWNIP
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1111
11
111111
1
1120-51806220-518062
20-518062
20-51806220-518062.H.R,TNEMDLEWELKCAHS.H.R,TNEMDLEWELKCAHS
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.H.R,TNEMDLEWELKCAHS.H.R,TNEMDLEWELKCAHS
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11921 Slauson Ave. Santa Fe Springs, CA. 90670 (800) 227-4116 FAX (888) 771-7713
PAGE 10
ASSEMBLY DRAWING
METIMETI
METI
METIMETI.YTQ.YTQ
.YTQ
.YTQ.YTQ
TRAPTRAP
TRAP
TRAPTRAP
REBMUN
NOITPIRCSEDNOITPIRCSED
NOITPIRCSED
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3131
31
313111
1
1110-63706210-637062
10-637062
10-63706210-637062)02/21/051-GT(TNEMDLEWEMARFTFIL)02/21/051-GT(TNEMDLEWEMARFTFIL
)02/21/051-GT(TNEMDLEWEMARFTFIL
)02/21/051-GT(TNEMDLEWEMARFTFIL)02/21/051-GT(TNEMDLEWEMARFTFIL
4141
41
414111
1
1110-33706210-337062
10-337062
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)02/051-GT(TNEMDLEWEMARFNIAM
)02/051-GT(TNEMDLEWEMARFNIAM)02/051-GT(TNEMDLEWEMARFNIAM
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51
515122
2
22598162598162
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6161
61
616111
1
11
273062273062
273062
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7171
71
717111
1
1110-51806210-518062
10-518062
10-51806210-518062.H.L,TNEMDLEWELKCAHS.H.L,TNEMDLEWELKCAHS
.H.L,TNEMDLEWELKCAHS
.H.L,TNEMDLEWELKCAHS.H.L,TNEMDLEWELKCAHS
8181
81
818111
1
11822262822262
822262
822262822262LC52.116x2/1NOISROT,GNIRPSLC52.116x2/1NOISROT,GNIRPS
LC52.116x2/1NOISROT,GNIRPS
LC52.116x2/1NOISROT,GNIRPSLC52.116x2/1NOISROT,GNIRPS
9191
91
919122
2
22740009740009
740009
740009740009.GL"4/3x"2/1,TLOBREDLUOHS.GL"4/3x"2/1,TLOBREDLUOHS
.GL"4/3x"2/1,TLOBREDLUOHS
.GL"4/3x"2/1,TLOBREDLUOHS.GL"4/3x"2/1,TLOBREDLUOHS
0202
02
020222
2
22045040045040
045040
045040045040CNU81-61/5,NOLYN,TUNCNU81-61/5,NOLYN,TUN
CNU81-61/5,NOLYN,TUN
CNU81-61/5,NOLYN,TUNCNU81-61/5,NOLYN,TUN
1212
12
121222
2
22
454162454162
454162
454162454162.GL"8/5xAID"2/1EVEELS,RECAPS.GL"8/5xAID"2/1EVEELS,RECAPS
.GL"8/5xAID"2/1EVEELS,RECAPS
.GL"8/5xAID"2/1EVEELS,RECAPS.GL"8/5xAID"2/1EVEELS,RECAPS
554162554162
554162
554162554162.GL"2/1xAID"4/3,LEVART,RELLOR.GL"2/1xAID"4/3,LEVART,RELLOR
.GL"2/1xAID"4/3,LEVART,RELLOR
.GL"2/1xAID"4/3,LEVART,RELLOR.GL"2/1xAID"4/3,LEVART,RELLOR
2222
22
222222
2
2240-72150940-721509
40-721509
40-72150940-7215098/5x8/3,EBUL-FLES,GNIRAEB8/5x8/3,EBUL-FLES,GNIRAEB
8/5x8/3,EBUL-FLES,GNIRAEB
8/5x8/3,EBUL-FLES,GNIRAEB8/5x8/3,EBUL-FLES,GNIRAEB
3232
32
323211
1
1110-32906210-329062
10-329062
10-32906210-329062.H.LTNEMDLEW.TSUJDAGNIHSUP,MRA.H.LTNEMDLEW.TSUJDAGNIHSUP,MRA
.H.LTNEMDLEW.TSUJDAGNIHSUP,MRA
.H.LTNEMDLEW.TSUJDAGNIHSUP,MRA.H.LTNEMDLEW.TSUJDAGNIHSUP,MRA
4242
42
424222
2
2220-82520220-825202
20-825202
20-82520220-8252021x061.NOISROT,GNIRPS1x061.NOISROT,GNIRPS
1x061.NOISROT,GNIRPS
1x061.NOISROT,GNIRPS1x061.NOISROT,GNIRPS
*52*52
*52
*52*5222
2
22951030951030
951030
9510309510302x61/3,NIPRETTOC2x61/3,NIPRETTOC
2x61/3,NIPRETTOC
2x61/3,NIPRETTOC2x61/3,NIPRETTOC
*62*62
*62
*62*624141
41
4141614122614122
614122
614122614122CNIZ"2x"8/3LLOR,NIPCNIZ"2x"8/3LLOR,NIP
CNIZ"2x"8/3LLOR,NIP
CNIZ"2x"8/3LLOR,NIPCNIZ"2x"8/3LLOR,NIP
*72*72
*72
*72*7222
2
22794122794122
794122
794122794122CNIZ"2/1-1x"8/3LLOR,NIPCNIZ"2/1-1x"8/3LLOR,NIP
CNIZ"2/1-1x"8/3LLOR,NIP
CNIZ"2/1-1x"8/3LLOR,NIPCNIZ"2/1-1x"8/3LLOR,NIP
*82*82
*82
*82*8277
7
7730-61906230-619062
30-619062
30-61906230-619062GNOL"2x"1EBULFLES,GNIRAEBGNOL"2x"1EBULFLES,GNIRAEB
GNOL"2x"1EBULFLES,GNIRAEB
GNOL"2x"1EBULFLES,GNIRAEBGNOL"2x"1EBULFLES,GNIRAEB
*92*92
*92
*92*9222
2
2220-61906220-619062
20-619062
20-61906220-619062GNOL"2/1-1x"1EBULFLES,GNIRAEBGNOL"2/1-1x"1EBULFLES,GNIRAEB
GNOL"2/1-1x"1EBULFLES,GNIRAEB
GNOL"2/1-1x"1EBULFLES,GNIRAEBGNOL"2/1-1x"1EBULFLES,GNIRAEB
*03*03
*03
*03*0322
2
2210-61906210-619062
10-619062
10-61906210-619062GNOL"4/1-1x"1EBULFLES,GNIRAEBGNOL"4/1-1x"1EBULFLES,GNIRAEB
GNOL"4/1-1x"1EBULFLES,GNIRAEB
GNOL"4/1-1x"1EBULFLES,GNIRAEBGNOL"4/1-1x"1EBULFLES,GNIRAEB
*13*13
*13
*13*1333
3
3360-61906260-619062
60-619062
60-61906260-619062GNOL"1x"1EBULFLES,GNIRAEBGNOL"1x"1EBULFLES,GNIRAEB
GNOL"1x"1EBULFLES,GNIRAEB
GNOL"1x"1EBULFLES,GNIRAEBGNOL"1x"1EBULFLES,GNIRAEB
*23*23
*23
*23*2322
2
2270-61906270-619062
70-619062
70-61906270-619062GNOL"2/1x"1EBULFLES,GNIRAEBGNOL"2/1x"1EBULFLES,GNIRAEB
GNOL"2/1x"1EBULFLES,GNIRAEB
GNOL"2/1x"1EBULFLES,GNIRAEBGNOL"2/1x"1EBULFLES,GNIRAEB
*33*33
*33
*33*3322
2
2210-71906210-719062
10-719062
10-71906210-719062GNOL"4/3x"4/3EBULFLES,GNIRAEBGNOL"4/3x"4/3EBULFLES,GNIRAEB
GNOL"4/3x"4/3EBULFLES,GNIRAEB
GNOL"4/3x"4/3EBULFLES,GNIRAEBGNOL"4/3x"4/3EBULFLES,GNIRAEB
*43*43
*43
*43*4322
2
22486252486252
486252
486252486252RELLORRELLOR
RELLOR
RELLORRELLOR
5353
53
535322
2
22669102669102
669102
669102669102S4/1-1RYC#EKOY,RELLORS4/1-1RYC#EKOY,RELLOR
S4/1-1RYC#EKOY,RELLOR
S4/1-1RYC#EKOY,RELLORS4/1-1RYC#EKOY,RELLOR
*63*63
*63
*63*6322
2
22014030014030
014030
0140300140302/1-1x4/1,LLOR,NIP2/1-1x4/1,LLOR,NIP
2/1-1x4/1,LLOR,NIP
2/1-1x4/1,LLOR,NIP2/1-1x4/1,LLOR,NIP
*73*73
*73
*73*7322
2
22039062039062
039062
039062039062GNIRGNINIATERGNIRGNINIATER
GNIRGNINIATER
GNIRGNINIATERGNIRGNINIATER
*83*83
*83
*83*8322
2
2210-38625210-386252
10-386252
10-38625210-386252TNEMDLEWNIPTNEMDLEWNIP
TNEMDLEWNIP
TNEMDLEWNIPTNEMDLEWNIP
11921 Slauson Ave. Santa Fe Springs, CA. 90670 (800) 227-4116 FAX (888) 771-7713
PAGE 11
WIRE CONNECTIONS
RED
RED
WHT
YEL
A
B
C
PUMP BOX
GND
FUSE HOLDER
(P/N 263801)
CONNECTOR
(P/N 907021)
MOTOR SOLENOID
SOLENOID
WHT
THERMISTOR
(Part of Motor)
BATTERY
CABLE
11921 Slauson Ave. Santa Fe Springs, CA. 90670 (800) 227-4116 FAX (888) 771-7713
PAGE 12
PUMP ASSEMBLY, GRAVITY DOWN
METIMETI
METI
METIMETI.YTQ.YTQ
.YTQ
.YTQ.YTQ.ONTRAP.ONTRAP
.ONTRAP
.ONTRAP.ONTRAPNOITPIRCSEDNOITPIRCSED
NOITPIRCSED
NOITPIRCSEDNOITPIRCSED
11
1
1111
1
11216362216362
216362
216362216362CDV21YLBMESSAPMUPENILMILSCDV21YLBMESSAPMUPENILMILS
CDV21YLBMESSAPMUPENILMILS
CDV21YLBMESSAPMUPENILMILSCDV21YLBMESSAPMUPENILMILS
22
2
2211
1
11669262669262
669262
669262669262RABSUBRABSUB
RABSUB
RABSUBRABSUB
33
3
3311
1
11939262939262
939262
939262939262DIONELOSROTOMDIONELOSROTOM
DIONELOSROTOM
DIONELOSROTOMDIONELOSROTOM
44
4
4411
1
11353352353352
353352
353352353352YAW-2,DIONELOS,EVLAVYAW-2,DIONELOS,EVLAV
YAW-2,DIONELOS,EVLAV
YAW-2,DIONELOS,EVLAVYAW-2,DIONELOS,EVLAV
a4a4
a4
a4a411
1
11495622495622
495622
495622495622EVLAVYAW-2,TIKGNIR-OEVLAVYAW-2,TIKGNIR-O
EVLAVYAW-2,TIKGNIR-O
EVLAVYAW-2,TIKGNIR-OEVLAVYAW-2,TIKGNIR-O
55
5
5511
1
11977362977362
977362
977362977362GULPGULP
GULP
GULPGULP
66
6
6611
1
11963362963362
963362
963362963362RELLIFRELLIF
RELLIF
RELLIFRELLIF
77
7
7711
1
11118362118362
118362
118362118362"8/3,ROTCENNOC"8/3,ROTCENNOC
"8/3,ROTCENNOC
"8/3,ROTCENNOC"8/3,ROTCENNOC
88
8
8811
1
11005362005362
005362
005362005362YLBMESSAXOBYLBMESSAXOB
YLBMESSAXOB
YLBMESSAXOBYLBMESSAXOB
a8a8
a8
a8a811
1
11794362794362
794362
794362794362REVOCREVOC
REVOC
REVOCREVOC
b8b8
b8
b8b811
1
11994362994362
994362
994362994362TNEMDLEWXOBTNEMDLEWXOB
TNEMDLEWXOB
TNEMDLEWXOBTNEMDLEWXOB
c8c8
c8
c8c811
1
11197362197362
197362
197362197362HCTALHCTAL
HCTAL
HCTALHCTAL
99
9
9911
1
11739030739030
739030
739030739030"4/1,GULPXEH"4/1,GULPXEH
"4/1,GULPXEH
"4/1,GULPXEH"4/1,GULPXEH
0101
01
010111
1
11073362073362
073362
073362073362THGISWOLFTHGISWOLF
THGISWOLF
THGISWOLFTHGISWOLF
1111
11
111122
2
22418362418362
418362
418362418362.AID"1,TEMMORG.AID"1,TEMMORG
.AID"1,TEMMORG
.AID"1,TEMMORG.AID"1,TEMMORG
2121
21
212111
1
11597362597362
597362
597362597362.AID"2/1,TEMMORG.AID"2/1,TEMMORG
.AID"2/1,TEMMORG
.AID"2/1,TEMMORG.AID"2/1,TEMMORG
3131
31
313111
1
11897362897362
897362
897362897362SSENRAHXOBPMUPSSENRAHXOBPMUP
SSENRAHXOBPMUP
SSENRAHXOBPMUPSSENRAHXOBPMUP
a31a31
a31
a31a3111
1
11208362208362
208362
208362208362TEKSAGTEKSAG
TEKSAG
TEKSAGTEKSAG
4141
41
414111
1
11052062052062
052062
052062052062RETLIFRETLIF
RETLIF
RETLIFRETLIF
5151
51
515111
1
11001509001509
001509
0015090015096#CIJ,ELAM,DAEHKLUB6#CIJ,ELAM,DAEHKLUB
6#CIJ,ELAM,DAEHKLUB
6#CIJ,ELAM,DAEHKLUB6#CIJ,ELAM,DAEHKLUB
6161
61
616122
2
22930030930030
930030
930030930030.GL"4/3-1x61-8/3,TLOB.GL"4/3-1x61-8/3,TLOB
.GL"4/3-1x61-8/3,TLOB
.GL"4/3-1x61-8/3,TLOB.GL"4/3-1x61-8/3,TLOB
7171
71
717122
2
22555030555030
555030
555030555030"8/3,KCOL,REHSAW"8/3,KCOL,REHSAW
"8/3,KCOL,REHSAW
"8/3,KCOL,REHSAW"8/3,KCOL,REHSAW
8181
81
818122
2
22655030655030
655030
655030655030"8/3,TALF,REHSAW"8/3,TALF,REHSAW
"8/3,TALF,REHSAW
"8/3,TALF,REHSAW"8/3,TALF,REHSAW
11921 Slauson Ave. Santa Fe Springs, CA. 90670 (800) 227-4116 FAX (888) 771-7713
PAGE 13
PUMP ASSEMBLY, GRAVITY DOWN
10
9
11
12
11
13
8
6
5
7
14
15
16,17,18
1
2
3
4
P/N 263613
11921 Slauson Ave. Santa Fe Springs, CA. 90670 (800) 227-4116 FAX (888) 771-7713
PAGE 14
HARNESS & SWITCH ASSEMBLY
Switch & Cable
Assembly
P/N 264346
Harness Assembly
P/N 264472
Switch Boot Seal
P/N 250876
RED
WHT
RED
WHT
YEL
YEL
Switch Gasket
P/N 264589
Screw, self-tapping
#10 x 5/8”
P/N 030453
11921 Slauson Ave. Santa Fe Springs, CA. 90670 (800) 227-4116 FAX (888) 771-7713
PAGE 15
LOW VOLTAGE / THERMAL SWITCH (LVTS)
Low Voltage/
Thermal Switch
(LVTS)
P/N 905197
Wire Assembly
P/N 264546
Wire Harness
P/N 264548
Extension Wire
Assembly
P/N 264755
Wire
Harness
Extension Wire
Assembly
LVTS
Wire
Assembly
A
B
C
D
(IF EQUIPPED ON LIFTGATE)
SPLICE
A
B
C
D
11921 Slauson Ave. Santa Fe Springs, CA. 90670 (800) 227-4116 FAX (888) 771-7713
PAGE 16
LOW VOLTAGE / THERMAL SWITCH (LVTS)
(IF EQUIPPED ON LIFTGATE)
Instruction Decal
P/N 264776
Instruction Decal
P/N 264776
Switch Decal
P/N 264775
Suggested Decal
Location
Top side
Decals should be read and
completely understood before
operating the unit. They should
also be kept clean and readable
at all times. If any decal becomes
detached from the vehicle, or is
defaced, it must be replaced. Free
decal replacements are available
from: MAXON Lift Corp., Parts
Department.
11921 Slauson Ave. Santa Fe Springs, CA. 90670 (800) 227-4116 FAX (888) 771-7713
PAGE 17
TROUBLESHOOTING
___________________________________________________________
11921 Slauson Ave. Santa Fe Springs, CA. 90670 (800) 227-4116 FAX (888) 771-7713
PAGE 18
PLATFORM WILL NOT RAISE
1.
Verify that power is being supplied to the Solenoid Terminal “A”. Recharge
the battery if less than 12 volts.
2. Fill Reservoir to within 1/2” below the top with the recommended hydraulic
fluid.
3. Touch a jumper wire to terminals “A” & “C”. If motor runs, check Switch,
Switch connections, and White wire. Correct the connections or replace
the Switch.
4. Touch heavy jumper cables to terminals “A” & “B”.
a. If motor runs, replace the motor solenoid.
b. If motor does
not run, repair or replace the pump motor.
5. Check for structural damage. Replace worn parts.
6. Check filter in the pump Reservoir. Replace if necessary.
7. Check for a broken motor-to-pump coupler. Replace if necessary. A worn
pump is extremely noisy, and needs replacement.
8. If equipped with a Low Voltage Thermal Switch (LVTS), system could shut
down if the motor temperature or battery voltage level reach an unaccept-
able level. Read decal P/N 264776 located near the switch to determine
what steps need to be taken to correct the problem.
Terminal “A”
Terminal “B”
Terminal
“C”
11921 Slauson Ave. Santa Fe Springs, CA. 90670 (800) 227-4116 FAX (888) 771-7713
PAGE 19
PLATFORM WILL NOT LOWER
1.
Verify that power is being supplied to
the Solenoid Terminal “A” (Ref. Fig. 1).
Recharge the battery if less than 12
volts.
2. Check for structural damage or lack of
lubrication. Replace worn parts.
3. Check Solenoid Valve for power by holding a screwdriver approximately
1/4” from the top nut of the Solenoid. Energize the unit. (See Fig. 2).A
good solenoid will draw the screwdriver to the nut by a magnetic force.
The Coil can be replaced by removing the Nut and Wires.
4. Check the Valve Stem by removing the Coil Assembly, (Item 1, Fig. 3).
Unscrew the Valve Stem, (Item 2, Fig. 3), from the Pump. Push on the
plunger that is located inside the Valve Stem by inserting a paper clip in
the end. If the Plunger does not move freely approximately 1/8”, replace
the Valve Stem.
5. If equipped with a Low Voltage Thermal Switch (LVTS), system could
shut down if the motor temperature or battery voltage level reach an
unacceptable level. Read decal P/N 264776 located near the switch to
determine what steps need to be taken to correct the problem.
FIGURE 2 FIGURE 3
FIGURE 1
1/4”
Coil
1
2
1/8”
Terminal
“A”
11921 Slauson Ave. Santa Fe Springs, CA. 90670 (800) 227-4116 FAX (888) 771-7713
PAGE 20
PLATFORM RAISES BUT LEAKS DOWN
1.
Check Solenoid Valves for electrical shorts by
holding a screwdriver approximately 1/4” from
the top nut of the Solenoid. (See Fig. 1). The
solenoid should
not draw the screwdriver to
the nut with a magnetic force, unless the
toggle switch is actuated. The Coil can be
replaced by removing the Nut and Wires.
2. Check the Valve Stem by removing the
Coil Assembly, (Item 1, Fig. 2). Unscrew
the Valve Stem, (Item 2, Fig. 2), from the
Pump. Push on the plunger that is located
inside the Valve Stem by inserting a paper
clip in the end. If the Plunger does not
move freely approximately 1/8”, replace
the Valve Stem.
3. Check the Hydraulic Cylinder. With the
Platform on the ground, remove the
Breather Plug or Vent Line from the Vent
Port of the Cylinder. Raise the Platform to
be level with the bed. If hydraulic fluid
streams from the Vent Port, the Piston
Seals are worn. Replace the Seals.
(See Fig. 3).
FIGURE 1
FIGURE 2
FIGURE 3
1/4”
Coil
1
2
1/8”
Pressure
Port
Vent Port
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Maxon TG Maintenance Manual
- Type
- Maintenance Manual
- This manual is also suitable for
The Maxon TG 20/150 LMV (05/2000) is a versatile and durable liftgate designed to enhance the efficiency and safety of your cargo handling operations. With a lifting capacity of 2000 lbs, this liftgate allows you to effortlessly load and unload heavy items with minimal manual effort. Its gravity-down feature ensures smooth and controlled lowering of the platform, reducing the risk of accidents and damage to your cargo. The TG 20/150 LMV is engineered to withstand the rigors of daily use, providing you with reliable performance for years to come.
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