Troubleshooting 8; General Notes; Engine; No Steering Movement - Terex TL80 Operating Instructions Manual

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.
Fault Possible cause

8.3 No steering movement

1 Oil supply to pump interrupted
2 Hydraulic pump damaged
3 Priority valve damaged
4 Hand metering unit damaged
5 Steering cylinder damaged
6 Mechanical fault

8.4 Insufficient performance of service brake

1 Wear on the disk brake
2 Master brake cylinder damaged
3. Mechanical fault

8.5 Insufficient performance of parking brake

Wear on the disk brake
1
2 Solenoids of valve damaged

8.6 Hydrostatic travel drive without neutral position

1 Switch for travel direction damaged
2 Solenoids of valve damaged
3 Neutral position incorrectly adjusted
4 Internal damage to travel pump
5 Excessive engine idling
TL80

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.
Remedy
Check and repair suction line
Repair or replace
Remedy fault (call Service Agent)
Remedy fault (call Service Agent)
Repair
Repair
Adjust or repair (call Service Agent)
Repair or replace (call Service Agent)
Repair (call Service Agent)
Adjust or repair
Repair and/ or re-adjust
Replace / repair
Replace / repair
Check, re-calibrate (call Service Agent)
Replace travel pump
Adjust

Troubleshooting 8

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