40
Malfunction Possible causes Remedy Chap.
6.6.
Engine output
and speed fall,
black smoke
from exhaust.
6.7.
Engine gets very hot.
Engine temperature
pilot lamp goes on.
Air cleaner contaminated.
Valve clearances incorrect.
Unit Injector System not
functioning.
Too much lubricating oil in
engine.
Insufficient cooling effect:
-Radiator fins soiled.
-Loss of coolant.
-Vee belt broken or slack (only in
case of models with belt-driven
fan).
-Engine overloaded.
Clean or renew the air cleaner.
See workshop manual.
See workshop manual.
Drain off lubricating oil as far as
upper mark on dipstick.
Clean the radiator fins.
Check cooling system for leakage
and eliminate cause - in case of
doubt, contact the HATZ Service
station. Subsequently, replenish
coolant.
Check the Vee belt
Reduce load.
5.4.3.
5.3.1.
5.3.3.
4.1.2.
5.3.5.
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