Linde E35 - Malfunctions, Causes and Remedies: Hydraulic System

Service work
5
Self-help
Malfunctions, causes and remedies: Hydraulic system
Abnormal noise.
Possible cause
Remedy
Leaking suction lines, oil foaming.
Seal the lines. Check the hydraulic oil level, top
up if necessary.
Incorrect oil viscosity, too little oil in tank.
Observe the specified viscosity. Top up hy-
draulic oil.
Have the hydraulic oil replaced.
Contact your service partner.
Clogged suction filter.
Have the filter replaced.
Contact your service partner.
Hydraulic pump damage or motor damage and
faulty seals causing air intake.
Contact your service partner.
No pressure or too
little pressure in the system.
Possible cause
Remedy
Hose line or pipe line broken or leaking.
Replace the line or seal the line.
Contact your service partner.
Oil temperature warning is displayed.
Check the hydraulic oil level, clean the hydraulic
oil cooler.
Contact your service partner.
Pump faulty, leakage loss, pressure valves do
not close, valve seat damaged.
Contact your service partner.
Oil pressure fluctuation.
Possible cause
Remedy
Lift ma
st does not extend completely. Top up hydraulic oil.
For caus
e, see: Abnormal noise.
See: Abnormal noise.
Pressure relief valve or feed pressure valves
seized up.
Contact your service partner.
Lift cylinders and tilt cylinders show friction
points.
Contact your service partner.
No or too little supply flow.
Possible cause
R
emedy
Hose line or pipe line broken or leaking.
Replace the line or seal the line.
Contact your service partner.
Hydraulic system overheating.
Check hydraulic oil level, use prescribed hy-
draulic oil if necessary, clean the hydraulic oil
cooler.
Contact your service partner.
Pump faulty, leakage loss, pressure valves do
not close, valves damaged.
Contact your service partner.
Operating Instructions – 3888011701 EN – 12/2017 277