Breather System - Hatz Diesel 1D30 S Workshop Manual

M 31.00 Breather system
–
General:
Crankcase breathing is done via a rubber
type diaphragm into the air intake port.
Whenever an engine is repaired, or indi-
cates high lube oil consumption with blue
exhaust smoke, the condition of the di-
aphragm should be checked.
Preparations:
Ref.: M-Disassembly cross reference
scheme.
Version I
Diaphragm fitted into cyl.-head.
Dismantling:
– Carefully remove aluminium cover 1.
– Remove diaphragm 2.
Inspection / repair:
– Check diaphragm for fractures and/or
material ageing.
Assembly:
– Place diaphragm 2 firmly into position.
– Place cover 1 with the convex side
facing front into corresponding recess
and lock cover by slightly beating down
using a socket or similar tool.
3
1D . . / 03.06
Version II
(as from middle of 1992 onwards)
Diaphragm separate in plastic housing.
Dismantling:
– Remove in numerical sequence 3...5.
– Remove complete breather unit.
– Remove cover 6 from housing 7 to re-
move diaphragm 8.
The breather hoses may remain.
Inspection / repair:
– Check all parts in question for fractures
and/or material ageing.
Assembly:
– Complete breather unit 8...6.
– Put breather unit onto corresponding
connections.
– Assemble in reverse sequence 5...3.