Terex TW85, Operating Instructions Manual

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Troubleshooting 8
TW85 111
Fault Possible cause Remedy
8.15 Uppercarriage slewing too far
1 Swing brake defective Check condition of brake, repair or replace if
necessary
2 Unacceptable wear in swing operation Check or replace if necessary
8.16 Working cylinders not operating satisfactorily
1 Seals in cylinders worn Re-seal cylinders
2 Secondary valves defective Check secondary valves and replace completely
if necessary
8.17 No or insufficient interlock of plunger cylinder
1 Mechanical fault Check valves and replace if necessary
2 Electrical malfunction Check switches, cables, connections, and fuse
3 No pressure build-up Check hydraulic supply
4 Spongy interlock Bleed plunger cylinders
8.18 Faults in the overload warning device
1 No optical display Overload warning sensor or display module
defective.
Call Service Agent
2 No acoustic warning Overload warning sensor is not switched on.
Overload warning sensor or display module
defective.
Call Service Agent