Group 21 Reconditioning engine
Cleaning, checking
Early type
Late type
C14
§WUU
Check overflow valve in cylinder block
Two types are in use:
- early type = without filter
- late type = with filter
Early type valves must be replaced with new type.
Overflow valve, replacement
Operations
CI5-17
Remove old valve and clean seat
Use a screwdriver.
C15
Important! Take care not to damage the oil filter mating
surfaces and make sure that dirt does not enter the oil-
ways.
C16
Install new parts
Install valve with spring facing inwards.
C17
Tap in washer and secure it
Use an
11
mm (inner diameter) socket.
Secure washer by making three notches in block with a
drift.
30
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