HATZ Diesel 1D90W - Manual (Page 27)

26
Malfunction Possible causes Remedial action Chap.
Engine stops by
itself during re-
gular operation.
In addition, if auto-
matic electrical en-
gine shutdown is
installed.
Low engine power,
output and speed.
Fuel supply is interrupted:
- Tank run dry
- Fuel filter blocked
- Defective feed pump.
Mechanical oil pressure monitor
stops the engine due to low oil
pressure.
Mechanical defects.
Stop signal from monitoring
element because of:
- oil pressure too low.
- cylinder head temperature
too high.
- alternator has failed.
Malfunction signal from over-
voltage and polarity reversal
protection in voltage regulator:
- Battery and/or other cable
connections incorrectly con-
nected.
- Cable connections loose.
Fuel supply is obstructed:
- Tank run dry.
- Fuel filter blocked.
- Tank venting is inadequate
- Leaks at pipe unions.
- Speed control lever does not
remain in selected position.
Add fuel.
Renew fuel filter.
Check through entire fuel supply
system.
Check engine oil level.
Activate mechanical oil pressure
monitor.
Contact a HATZ-service station.
Check engine for:
Engine oil level
Cooling air passages blocked
or cooling system otherwise
affected.
See workshop manual.
Check electrical equipment and
the components thereof.
Add fuel.
Renew fuel filter.
Ensure that tank is adequately
vented.
Check threaded pipe unions for
leaks.
Prevent speed control from
moving.
4.1.2.
4.1.3.
5.4.1.
5.2.1.
4.1.3.
5.2.1.
5.3.3.
4.1.2.
4.1.3.
5.4.1.