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Table of Contents
Valve stem
1. Fit a valve spring compressor to the valve
spring retainer and bottom of the valve head
(Figure 40). Use the tool to press down the
valve spring retainer and expose the split
keepers on the valve stem. Remove the
2. Retract the compressor tool and remove the
Renloi,c any burrs from the valre stem
groorcs before r e t n o v ~ n g the vulve
41). Ofherw~se, the ialve guides
wll be dar?~aged when the ~ ~ a l v e ~
3. Remove the valve seal and valve spring seat
(Figure 42) with needlenose pliers. Discard the
old valve seal and install a new one; rubber
seals harden and crack with age and they will
never be easier to replace than now.
Valve/Seat Inspection
I. Clean valves with a wire brush and solvent.
Inspect the contact face of each valve for
burning (Figure 43). Minor roughness and
pitting can be removed by lapping the valve as
d e s c r i b e d i n t h i s c h a p t e r . Excessive
unevenness of the valve face shows that the
valve is not serviceable. The valve face may be
ground lightly on a valve grinding machine, but
it is best to replace a burned or damaged valve
with a new one.
Property of - Not for Resale


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