Hatz 2W35 - Page 40

39
Malfunction Possible causes Remedy Chap.
6.4.
Engine stops
by itself during
operation.
With automatic
electrical shutdown
installed
(optional equipment)
6.5.
Engine output and
speed both drop.
Fuel supply interrupted
-Tank has run empty.
-Primary fuel filter or fuel filter
clogged.
Mechanical faults
One of the automatic shutdown’s
monitoring elements has initiated
a stop signal.
Monitoring element for:
-oil pressure too low
-engine temperature too high
-AC generator or three-phase
alternator (optional equipment)
faulty.
Malfunction signal from overvolt-
age and polarity reversal protec-
tion in voltage regulator:
-Battery and/or other cable con-
nections incorrectly connected.
-Cable connections loose.
Fuel supply interrupted:
- Tank has run empty.
-Primary fuel filter or fuel filter
clogged.
- Tank insufficiently ventilated.
- Pipe connections leaky.
-Speed control lever does not
remain in desired position.
Add fuel.
Change fuel filter.
Contact a HATZ service station.
Locate the responsible monitoring
element and clear the fault, or con-
tact a HATZ service station.
-Check lubricating oil supply.
-Radiator fins soiled or cooling
system function otherwise im-
paired.
- Coolant level.
-Check belt tension (only in case
of models with belt-driven fan).
See workshop manual.
Check electrical equipment and the
components thereof.
Add fuel.
Replace filter.
Ensure sufficient ventilation of
tank.
Check pipe screw couplings for
leakage.
Lock the lever into position.
4.1.3.
5.4.1.
5.5.1.
4.2.2.
5.2.1.
5.2.4.
5.2.5.
5.3.5.
4.1.3.
5.4.1.
5.5.1.