Troubleshooting guide (Hydraulic system)
Abnormal noise
Suction filter restricted.
Renew the filter.
Suction hoses leaking, oil foaming. Tighten lines. Replace suction ho-
ses. Check oil level, top up if nec-
essary.
Incorrect oil viscosity, low oil level
in tank or in hydraulic pump.
Change oil, be sure to use the cor-
rect viscosity, top up oil.
Hydraulic pump or motor failure,
seals defective, causing air intake.
Contact your service partner.
No or too low pres-
sure in system
Pipe broken or leaking.
Replace or tighten line.
Oil of low viscosity, causing high
leakage losses.
Change oil, be sure to use oil of
correct viscosity.
Oil temperature warning lamp illu-
minated.
Check oil level, clean oil cooler.
Pump suction defective, noise.
Change oil, top up oil. Contact your
service partner.
Pump failure, leakages, pressure
valves do not close, valve seat
damage.
Contact your service partner.
Oil pressure fluctuat-
ing
Mast does not extend completely
or retracts slightly after being exten-
ded.
Top up hydraulic oil.
Cause as under abnormal noise.
See abnormal noise.
Pressure limiting valves or boost
pressure valves sticking.
Contact your service partner.
Lift and tilt cylinders have tight
spots.
Contact your service partner.
No oil flow or low oil
flow
Filter restricted (if accompanied by
noise).
Clean or replace filter.
Pipe broken or leaking.
Tighten or replace line.
Hydraulic system overheating.
Check oil level, use specified oil,
clean oil cooler, if needed.
Valves restricted.
Contact your service partner.
Pump failure, leakages, pressure
limiting valves do not close, valve
seat damaged.
Contact your service partner.
Maintenance
5
Troubleshooting
251
5001 801 1625 EN - 05/2022 - 03
Summary of Contents for 5410
Page 2: ......
Page 11: ...1 Introduction ...
Page 32: ...Introduction 1 Using working platforms 22 5001 801 1625 EN 05 2022 03 ...
Page 33: ...2 Safety ...
Page 45: ...Safety 2 Residual risks 35 5001 801 1625 EN 05 2022 03 ...
Page 58: ...Safety 2 Medical equipment 48 5001 801 1625 EN 05 2022 03 ...
Page 59: ...3 Overview ...
Page 64: ...Overview 3 Switch panel 54 5001 801 1625 EN 05 2022 03 ...
Page 65: ...4 Operation ...
Page 219: ...5 Maintenance ...
Page 266: ...Maintenance 5 Decommissioning the truck 256 5001 801 1625 EN 05 2022 03 ...
Page 267: ...6 Technical data ...
Page 268: ...Truck dimensions Technical data 6 Truck dimensions 258 5001 801 1625 EN 05 2022 03 ...
Page 282: ...Technical data 6 Overview of type sheets 1200 mm load centre 272 5001 801 1625 EN 05 2022 03 ...
Page 287: ......