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0421 IH-1003
OPERATING ISSUE
CAUSES
RECOMMENDATIONS
Pump does not take a full stroke.
Air in the hydraulic system.
Insufficient hydraulic oil.
Pump 5 strokes with lowering valve open.
Contact a service technician.
Lift, neutral and lowering positions do
not function correctly.
The lowering valve is incorrectly set.
Adjust the setting of the valve chain using
adjuster nut.
The forks drop after every stroke.
Leakage from the valve cone.
Replace the valve cone and washer.
Quick lift does not work.
Ball valve leakage.
Replace the quick rod.
Lifting or the start assistance feature
does not work satisfactorily.
Lifting and start assistance have both been
selected.
Reset the function, which is not needed,
to the neutral position.
Start assistance does not engage
when required.
The wire has too much tension.
Adjust wire tensioning using the
adjustment screw.
The start assistance wire us broken.
Overloading.
Return the clamp loop to the neutral
position for emergency travel and
replace the wire.
TROUBLESHOOTING
NOTE: Do not attempt to repair the pallet truck unless you are trained and authorized to do so.
1-800-295-5510
uline.com
