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C 9700 ... C 9.88 H
Operating Instructions
Problems, Cause, Remedy
The following tables list problems and their possible causes.
If you can not carry out the remedy yourself, please contact
an authorized workshop or our customer service.
Test and Control Box BB3, with which further troubleshooting/
diagnostics are possible, are available as option.
Problems in Engine and Exhaust Gas Turbo-
charger
Please observe the notices in the operating manual for the
engine.
Problems in Electronic and Hydraulic Drive
System
Malfunction Cause Remedy
Tractive force too low Feed pressure too low
High pressure too low
Variable pump or variable motor
leakage too large
Check valve!
Check high pressure valves
Repair variable pump or variable motor
No forward or reverse travel possible Drive or power take-off defective
No feed pressure
Control cylinder in variable pump stuck
Repair
Check feed pump
Replace variable pump