Operating Manual
Original Operating Manual
21
Fault
Possible cause
Correction
Clearance
Clearance too large
Bevel gear defective
Replace bevel gear
RJ defective
Replace RJ
Flange tip forwards
Bolts loose
Tighten bolts or replace if
necessary
Oil leakage
On motor
Hydraulic motor leaks
Change hydraulic motor
Bolt loose
Tighten bolt
Shaft seal defective
Renew shaft seal
On gear box
Filling level too high
Check and correct filling
level
Seal defective
Change seal
Sideshifter
When shifting
Too slow
Pressure supplied by the
FFZ too low
Increase pressure at the
FFZ
Bore of the throttle valve is
too small
Re-bore the throttle valve or
replace it with a larger one
Jerky shifting action
Supporting roller defective
Replace supporting roller
Sliders not properly
lubricated
Lubricate sliders
Supporting roller does
not rotate
Supporting roller defective
Replace supporting roller
Housing scrapes on the
conduit
Slider is worn
Replace sliders
No cusion for backward
position
Cusion for backward
position defective
Replace piston rod
Oil leakage
Leaking
Sealing kit defective
Replace sealing kit
Piston rod scored
Replace piston rod and
sealing kit
Solenoid valve
Not functioning
Solenoid coil defective
Replace solenoid coil
No power to the magnet
Inspect power cable and
connections
Legend: FFZ = lift truck,
