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PERIODIC MAINT ENANCE AND f WNE-UP PROCEDURES 2-8
5. Select a replacement shim that will provide
a
clearance within the specified range
(0.03
-
0.08
mm). For the purpose of this adjustment, a
total of
20
sizes of tappet shim
are
available
ranging from
2.35 ta 3.10
mm in steps of
0.05
mm. Fit the selected shim
to the tappet, with
numbers toward
tappet.
Be sure to check shim
size with micrometer to insure
its size.
NOTE:
Before fitting the tappet shim t o the tappet,
be sure to apply engine oil to
i t s top and
bottom faces.
6.
After replacing the tappet shim,
rotate
the en-
gine so that the tappet is depressed fully. This
will squeeze out oil trapped
between the
shim
and The tappet that could
cause
an
incorrect
measurement, then check the clearance again to
confirm that it is within the specified
range.
Tappet shim size chart
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