ENGLISH
5
Forks do not raise
to full height
Not enough hydraulic oil Fill to capacity with hydraulic
jack oil
Forks do not raise Not enough oil Fill to capacity
Impurities in oil Change oil
Air in oil Bleed air
Nut (104) is too high or
screw (134) is too close,
keeping valve open
Adjust nut or screw per item 3.4
Forks do not descend Piston rod (153) or pump body
deformed due to over-loading or
slant loading
Replace damaged parts
Forks stored in raised position,
exposing piston and resulting in
rust
Lubricate rod. Store in lowered
position
Adjusting nut or screw
not in correct position
Adjust nut or screw per item 3.3
Leaks Worn or damaged seals Replace seals
Cracked or broken parts Replace parts
Forks descend when control
lever in DRIVE position
Impurities in oil preventing
valve from closing
Change oil
Cracks in parts of
hydraulic system
Inspect and replace
damaged parts
Air in oil Bleed air
Adjusting nut or screw
not in correct position
Adjust nut or screw per item 3.2
Only trained and authorized personnel should attempt to repair pallet trucks.
PROBLEM CAUSE SOLUTION
6. TROUBLE SHOOTING
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