Examination
Chapter X. Cylinder Head
63
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(c) Remove the valve of the forced ventilation system of the car
(e) Remove the cylinder head cover.
(1) Remove the bolts from the sides to the center (in the
reverse order of the illustration).
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(e) Remove the spark plugs using a spark plug wrench.
(b) The center and side electrodes must be in good condition, without
carbon deposits and traces of burning.
(c) The insulator must not show any signs of breakdown or destruction.
Note:
(1) Release the 4 retainers and remove the system valve
(e) The electrodes must be free of grains of sand and built-up
particles.
forced crankcase ventilation.
ÿ Clean the adjacent surface before removing the spark plug
high voltage wire. Otherwise, there is a risk that foreign
matter will get under the cylinder head cover or the threads
of the hole in the cylinder head will become dirty, which will
make it difficult to install spark plugs. Use a screwdriver to
clean the threads.
ÿ Do not drop or hit spark plugs.
Clue:
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(d) The electrodes must be free of contaminants,
ÿ Do not remove valve unless necessary.
(d) Remove the cylinder head cover bolts
4. Check spark plugs
example, engine oil.
(a) Spark plug gap should be 0.7-0.8mm.
Gap gauge
spark plug
Direction of
movement
when measuring
Machine Translated by Google
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