PEUGEOT 504 Series 1970 Workshop Manual page 56

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a.
ENGINE
CYLINDER HEAD
REPLACING A VALVE SPRING (HEAD IN PLACE)
II - EXHAUST VAL VE
WARNING · Turn the crankshaft in the direction of
rotation of the engine.
- Remove the plug from the cylinder
in
question.
- Bring the inlet valve (2) to the fully closed position.
- Disengage the rocker arm from the exhaust valve
as shown opposite.
- Insert the hinged rod through the plug hole.
- Turn the hinged rod through 90°.
Position the notch in the end in line with the
valve stem.
- Bring the piston to T.D.C. without forcing, as the
hinged part ot the rod (A) comes in contact
with the valve.
- Remove the valve spring co llets.
- Remove the valve spring cups and the springs.
- Fit the new springs.
- Reassemble in the reverse order.
- Adjust the valve clearances if the engine is cold.
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