Uline H-2722 Mode D'emploi page 3

OPERATING ISSUE
Hydraulic unit does not lift.
Once lifted, truck lowers by itself.
Fork does not lower.
Lever does not set at NEUTRAL position.
NOTE: Do not attempt to repair the pallet truck unless you are trained and authorized to do so.
PAGE 3 OF 9
TROUBLESHOOTING
CAUSES
Oil low in tank.
Steel ball not seated in hydraulic unit.
Worn O-ring in ram cylinder.
Steel ball or relief valve not seated correctly.
Worn O-ring in ram cylinder.
Oil leakage from each valve.
Cam chain broken.
Up-down cam nut out of adjustment.
Broken fork rods and linkage.
Up-down cam nut out of adjustment.
1-800-295-5510
uline.com
RECOMMENDATIONS
Make sure there is no oil leakage from
valve and add oil.
Clean release valve (As noted in
Maintenance).
Replace O-ring.
Clean release valve (As noted in
Maintenance).
Replace O-ring.
Tighten plug of each valve.
Replace cam chain.
Adjust cam nut (As noted in Operation).
Replace broken parts.
Adjust cam nut (As noted in Operation).
0621 IH-2722