Troubleshooting Guide; Possible Cause - Linde L 10 AC/2 Betriebsanleitung

TROUBLESHOOTING GUIDE

Problem

Possible Cause

Abnormal noise Suction filter restricted.
Inlet hoses leaking. Oil foaming.
Hydraulic pump damaged, seals defective,
causing air intake.
Incorrect oil viscosity. Low oil level in tank.
Pump inlet defective, noises.
No pressure in hydraulic
system Pump failure, leakage loss, pressure valves do
not close, valve seat damaged.
Pipe broken or leaking.
Oil of low viscosity, causing high leakage losses.
Cause as under abnormal noise.
Oil pressure fluctuating
Lift and tilt cylinders exhibit tight spots.
Mast does not extend completely or retracts slight-
ly after being extended.
Hydraulic oil temperature too Pump failure, valves leak.
high Oil level too low.
Lift hydraulics failure Battery discharge up to 80 %.
Fuse blown.
Battery discharged.
Truck not driving
Electric cables loose.
Fuses blown.
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Remedy
Clean or replace filter.
Tighten connections. Check oil level, top up if necessary.
Contact your authorised distributor.
Change oil to specified viscosity. Top up oil.
Change oil, add oil.
Contact your authorised distributor.
Replace pipe or eliminate leak.
Change oil, using specified viscosity.
See under abnormal noise.
Have boots renewed by a workshop.
Top up oil.
Have repaired by a workshop.
Check oil level, if necessary top up oil.
Recharge or replace the battery.
Replace the fuse.
Check, recharge or replace the battery.
Tighten the battery clamps, coat with petroleum jelly.
Inspect cable connections at the electric motors.
Renew fuses.
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