Troubleshooting 8
TW9 97
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 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 on the disk brake Adjust or repair (call Service Agent)
2 Master brake cylinder damaged Repair or replace (call Service Agent)
3. Mechanical fault Repair (call Service Agent)
8.5 Insufficient performance of parking brake
1
Wear on the disk brake
Adjust or repair
2 Solenoids of valve damaged Repair and/ or re-adjust
8.6 Hydrostatic travel drive without neutral position
1 Switch for travel direction damaged Replace / repair
2 Solenoids of valve damaged Replace / repair
3 Neutral position incorrectly adjusted Check, re-calibrate (call Service Agent)
4 Internal damage to travel pump Replace travel pump
5 Excessive engine idling Adjust
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General