11921  Slauson Ave.    Santa  Fe  Springs,  CA.    90670    (800)  227-4116    FAX  (888)  771-7713
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Pre-Installation Inspection:
Correct model    Correct capacity
Correct platform size   Correct options
Manuals & decals
Structural Inspection:
Inspect alignment of fi nal assembly.
Inspect pump box secure mounting.
Inspect all installation welds.
Check roll pins, bolts and fasteners.
Inspect tightness of hardware used to secure
       liftgate to vehicle.
Ensure platform ramp touches ground when
       shackles are 1” above ground, and platform &
       fl ipover are level & touching the ground.
Hydraulic Inspection:
Proper fl uid level (See CHECKING 
       HYDRAULIC FLUID step in this manual).
Check hydraulic fi ttings in pump box for leaks.
Check hydraulic line connections for leaks.
Electrical Inspection:
Check power/charge plug and terminal.
Check for tight wire connections.
Circuit breaker (150A) installed in battery box
       (if equipped) or by truck/tractor battery.
Ensure batteries are fully charged, all cable 
       connections are tight & protected from
       corrosion and tiedowns are tight.
Inspect all solenoid connections.
Check all wiring harness connections.
Check electrical cable connections are tight,
       secure, and protected from corrosion.
Model:______________________  Date: ____________________
Serial Number: _______________  Technician: _______________
Operation Inspection:
Check operation of all main and optional 
       control switches.
  GPSLR-35
Unloaded platform lowers in 10 sec.
Unloaded platform raises in 14 sec.
Unloaded platform stows IN in 9-10 sec.
Unloaded platform to OUT position in 6-7 sec.
  GPSLR-44
Unloaded platform lowers in 7 to 11 sec.
Unloaded platform raises in 9 to 13 sec.
Unloaded platform stows IN in 12 sec.
Unloaded platform to OUT position in 8 sec.
           GPSLR-55
Unloaded platform lowers in 14 sec.
Unloaded platform raises in 14 sec.
Unloaded platform to stow position in 9-10 sec.
Unloaded platform to OUT position in 6-7 sec.
All GPSLR:  Unloaded platform raises and 
       lowers evenly.  At the extension plate, platform 
       must not be more than 1/8” uneven, from side
       to side. 
All GPSLR:  Platform stores securely under
       vehicle body.
Check if cycle counter works.
Decals in correct location and legible.
Verify all lights are operational
Platform lights turn ON when platform is un-
       folded, and turn OFF when platform is stowed.
Taillights, stop lights, turn lights, and backup
       lights turn ON and OFF correctly.    
NOTE: The following times are for 60” bed 
height, steel platform with aluminum 
fl ipover, Exxon Univis HVI-13 hydrau-
lic fl uid, & temperature at 70°F. Times 
are for reference only and may vary 
for larger platforms, smaller platforms, 
or temperature changes.
PRE-DELIVERY INSPECTION FORM