11921 Slauson Ave. Santa Fe Springs, CA. 90670 (800) 227-4116 FAX (888) 771-7713
12
Check both platform torsion springs to make sure there is grease between the coils. If
grease is not visible in the valley between each coil, apply spray-on white lithium grease.
Unfold & fold platform. If platform feels heavy while starting to fold, do PLATFORM TOR-
SION SPRING ADJUSTMENT in the PERIODIC MAINTENANCE section of this manual.
Damaged cylinder seals and contaminated hydraulic fl uid can result from paint-
ing the polished portion of the cylinder rod. To prevent damage, protect the
exposed polished portion of the cylinder rod while painting.
CAUTION
PERIODIC MAINTENANCE
PERIODIC MAINTENANCE CHECKS
Never operate the Liftgate if parts are loose or missing.
WARNING
!
NOTE: Make sure vehicle is parked on level ground while
performing the maintenance checks.
Quarterly or 1250 Cycles (whichever occurs fi rst)
Check the hydraulic fl uid level in the pump reservoir. Refer to the CHECKING HYDRAU-
LIC FLUID procedure in the PERIODIC MAINTENANCE section. If hydraulic fl uid appears
contaminated, refer to the CHANGING HYDRAULIC FLUID procedure in the PERIODIC
MAINTENANCE section. Keep track of the grade of hydraulic fl uid in the pump reservoir.
Never mix two diff erent grades of fl uid.
Check all hoses and fi ttings for chafi ng and fl uid leaks. Make sure hydraulic lock is in place
and undamaged. Replace if necessary.
Check electrical wiring for chafi ng and make sure wiring connections are tight and free of
corrosion.
Check that all WARNING and instruction decals, nonskid stickers, and safety striping
are in place. Also, make sure decals are legible and decals, nonskid, and safety striping are
clean and undamaged.
Check that all roll pins are in place and protrude evenly from both sides of hinge pin collar.
Replace roll pins if necessary.
Check for rust and oily surfaces on Liftgate. If there is rust or oil on Liftgate, clean it off . If
bare metal is exposed on galvanized portions of the Liftgate, touch up the galvanized fi nish.
To maintain original galvanized fi nish, MAXON recommends cold galvanize spray.
Semi-annually or 2500 Cycles (whichever occurs fi rst)
Visually check the platform hinge pins for excessive wear and broken welds. See PARTS
BREAKDOWN section for replacement parts. Also, do the Quarterly or 1250 Cycles
maintenance checks.
Pump EP chassis grease in each lube fi tting on the cylinders and arms until grease starts
oozing from ends of the bearings. The lubrication diagram on the PERIODIC MAINTE-
NANCE CHECKLIST SHEET shows where to fi nd the lube fi ttings. Wipe off excess grease
with a clean lint-free cloth.
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