8.1 General information
•
Observe the safety information
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Only qualified and authorised persons may carry out re
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pair work
•
In case of faults, the operating and maintenance instruc
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tions must be referred to for correct operation and main
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tenance.
•
If the cause of the fault cannot be located or remedied, an
authorised Ammann Service Centre should be contacted.
•
Always first check the most likely causes (fuses, LEDs,
etc.)
8.2 Fault table
Possible cause Remedy Remarks
Engine does not start
Speed control lever in «STOP»-position
No fuel reaching injection pump
– Tank run dry
– Fuel filter blocked
– Defective feed pump
Oil pressure lost
Compression too low
Set lever to «START»-position
Add fuel
Renew fuel filter
Function must be checked
Check engine oil level
Contact a HATZ-service station
Activate mechanical oil pressure monitor
Engine stops by itself during regular operation
Fuel supply is interrupted
– Tank run dry
– Fuel filter blocked
– Defective feed pump
Oil pressure lost
Mechanical defects
Add fuel
Renew fuel filter
Function must be checked
Check engine oil level
Contact a HATZ-service station
Activate mechanical oil pressure monitor
Reduced engine performance
Fuel supply is obstructed
– Tank run dry
– Fuel filter blocked
– Tank venting is inadequate
– Leaks at pipes unions
Air cleaner blocked
Incorrect valve clearance
Too much oil in engine
Too much oil in exciter
Default in hydraulic system
Add fuel
Renew fuel filter
Ensure that tank is adequately ven-
ted
Check threaded pipe unions
Remove dirt from air cleaner
Adjust valve clearance
Drain off engine oil down to upper
mark on dipstick
Check exciter oil level
Contact a Ammann-service station
Contact a Ammann-service station
Engine runs, machine does not move forward
Centrifugal clutch lining worn
Too much oil in exciter
Default in hydraulic system
Replace linings and springs
Check exciter oil level
Contact a Ammann-service station
Contact a Ammann-service station
8. Troubleshooting
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