M 31.00 Crankcase Breather - Hatz 2-4L30 Workshop Manual

M 31.00 Crankcase breather

–
General:
The crankcase breather operates by way
of a diaphragm valve in the intake pipe.
During maintenance or repair work, in
particular if the engine's oil consumption
is high or it is producing too much blue
exhaust smoke, you are recommend to
check the condition of the diaphragm.
Dismantling:
– Pull housing 1 with cap 2 and dia-
phragm 3 out of the intake manifold and
hose 4 (Fig. 178).
– Pull cap 2 out of housing 1 and remove
diaphragm 3.
Inspection / repair:
– Examine the diaphragm for cracks and
renew if necessary.
– Renew O-rings 5.
Assembling:
– Proceed in the opposite order to that
described above.
3
2
178
5
1
4
3
L / M . . 09.96