31
Malfunction
Possible causes
Remedial action
Chap.
At low
temperatures.
Starter does not
run or engine is
not turned over.
Engine fires but
stops again as
soon as starter is
switched off.
Fuel separates has inadequate
resistance to low temperatures.
Starting speed too low:
- Engine oil is too thick
- Battery charge is insufficient.
Fault in electrical system:
- Battery and/or other wiring is
wrongly connected.
- Wiring connections loose
and/or corroded.
- Battery defective and/or flat.
- Defective starter motor
- Defective relays, monitoring
elements etc.
Drive still engaged.
Fuel filter blocked.
Fuel supply interrupted.
Stop signal from monitoring
element for automatic shutdown
system (optional extra):
- oil pressure lost
- cylinder head temperature
too high.
- alternator has failed
Check whether clear (not turbid)
fuel emerges at the fuel line de-
tached from the injection pump.
If turbid or separated - either
warm up the engine or drain the
complete fuel supply system.
Refuel with winter-grade fuel to
which paraffin has been added.
Refill with a different grade of
engine oil.
Check the battery; consult a spe-
cialist workshop if necessary.
Check electrical system incl.
indiv. components or contact a
HATZ-service station.
Uncouple engine from driven
machinery if possible.
Renew the fuel filter.
Check through the entire fuel
supply systematically.
Check oil level.
Clean cooling air system.
See workshop manual.
4.1.3.
5.3.2.
7.
7.
5.4.1.
5.2.1.
5.3.4.
