Terex TW85, Operating Instructions Manual

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Troubleshooting 8
TW85 107
8 Troubleshooting
8.1 General notes
Operating problems are often the result of
incorrect handling of the machine, the use of
unsuitable materials or irregular maintenance.
The following table presents a summary of a
range of problems and their probable causes.
If a problem can only be eliminated through repair,
then your responsible Service Agent must be
called in.
8.2 Engine
All defects and faults in the diesel engine must be
examined as described in the separate engine
instruction book.
During the warranty period, malfunctions must be
dealt with by the responsible SERVICE Agent or a
specialist workshop.
Fault Possible cause Remedy
8.3 No steering movement
1 Oil supply to pump interrupted Check and repair suction line
2 Hydraulic pump damaged Check, repair or replace
3 Priority valve damaged Remedy fault (call Service Agent)
4 Hand metering unit damaged Remedy fault (call Service Agent)
5 Steering cylinder damaged Repair
6 Mechanical fault Repair
8.4 Insufficient performance of service brake
1 Wear in brake discs Repair
2 Brake system damaged Repair or replace if necessary
3 Mechanical fault Repair
8.5 Parking brake without function
1 Spring-loaded brake mechanically
unblocked
Activate spring-loaded brake
2 Hydraulic fault in spring-loaded brake
actuation Repair
8.6 Insufficient performance of swing brake
1 Brake pads worn Change brake pads
2 Fault when actuating the brake Repair