Ammann APR 4920 Traducción De Instrucciones Originales página 45

6.1 General information
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Observe the safety information
•
Only qualified and authorised persons may carry out re-
pair work (mechanics specialising in construction and
agricultural machinery).
•
In case of faults, the operating and maintenance instruc-
tions must be referred to for correct operation and main-
tenance.
6.2 Fault table
Possible cause
Engine does not start
Speed control lever in «STOP»-position
No fuel
– Tank run dry
– Fuel filter blocked
– Defective feed pump
Oil pressure lost
Compression too low
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
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
Engine runs, machine does not move forward
Insufficient V-belt tension
V-belt broken
Centrifugal clutch lining worn
Too much oil in exciter
Default in hydraulic system
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Remedy
Set lever to «START»-position
Add fuel
Renew fuel filter
Function must be checked
Check engine oil level
Contact a Ammann-service station
Add fuel
Renew fuel filter
Function must be checked
Check engine oil level
Contact a Ammann-service station
Add fuel
Renew fuel filter
Ensure that tank is adequately vented
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
Retention V-belt
Replace V-belt
Replace linings and springs
Check exciter oil level
Contact a Ammann-service station
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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.).
Remarks
Contact a Ammann-service station
6. Troubleshooting