HATZ Diesel 1B50W - Manual (Page 33)

31
Malfunctions Possible causes Remedy Chap.
6.6.
Engine output
and speed fall,
black smoke
from exhaust.
6.7.
Engine becomes
very hot. Indicator
lamp for cylinder
temperature
(optional extra)
comes on.
6.8.
Condensate outlet
from exhaust box.
Air cleaner contaminated.
Valve clearances incorrect.
Injector not functioning.
Too much lubricating oil in
engine.
Inadequate cooling:
- Contamination of entire
cooling air zone.
- Air duct panels not properly
sealed.
Operation over a longer period
without load.
Clean or renew the air cleaner.
Adjust valve clearances.
See workshop manual.
Drain off lubricating oil as far as
upper mark on dipstick.
Clean cooling air zone.
Check cooling air deflector
plates and shafts for complete-
ness and airtight seal.
Run engine with a load of 70%
until the exhaust box gets dry
again.
5.4.2.
5.3.2.
5.3.1.
5.3.3.