ENGINE 3-24
VALVE AND VALVE SPRING DISASSEMBLY
l
Using special tools, compress the valve springs and remove
the two cotter halves @ from valve stem.
09916-14510 :
Valve spring compressor
09916-14910
:
Valve spring compressor attachment
09916-84510
:
Tweezers
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Remove the valve spring retainer, inner spring and outer
spring.
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Pull out the valve from the other side.
NOTE:
Removal of valves completes ordinary disassembling work. If
valve guides have to be removed for replacement after inspect-
ing related parts, carry out the steps shown in valve guide
servicing.
(Refer to page 3-30 for reassembly./
CYLINDER HEAD DISTORTION
l
Decarbonize the combustion chambers.
Check the gasketed surface of the cylinder head for distortion
with a straightedge and thickness gauge, taking a clearance
reading at several places indicated. If the largest reading at
any position of the straightedge exceeds the limit, replace the
cylinder head.
09900-20803 :
Thickness gauge
Service Limit
:
0.05 mm
(0.002
in)
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