ENGINE MECHANICAL (C22NE, 22LE, 20LE) 6A-63
OPERATIONS ON OIL CIRCULATION
Cylinder Head Safety Valve
Removal
1. Remove cylinder head according to the corresponding
operation.
2. Make hole in core plugs with pointed drift, turn in self
tapping screw and edge out.
Important!
Cover oil duct in cylinder head with piece of cloth.
3. Pull out valve retainer, using commercially available tool.
4. Remove ball and spring.
5. Cut three threads in the ball seating with M 10 tap (3rd
stage).
6. Coat tap with grease.
7. Remove ball seating from cylinder head with
commercially available tool.
Do not damage cylinder head.
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