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To measure,
push
the
ring with a piston
into the
least worn part
(skirt) of the cylinder as illustrated, and
meas~re
the end gap using
a feeler gauge.
-
r.... _____
-::~
Piston
If the clearance between the piston pin and piston or the bore of the
small end of the connecting rod is excessive, replace the piston pin
assembly or connecting rod assembly.
Connecting Rod
Using a connecting rod aligner, measure the bend and distortion of the
rod, and if excessive bend or distortion is found, repair or replace.
After
installing
the connecting rod on the cr ankshaft,
measure the
thrust clearance, and if the clearance is excessive, replace the rod
assembly.
twist t:heak
J
c .
I
.:
I
J
r'
' .
(,
Crankshaft
Check the crankshaft journals and pins for damage and seizure.
Also
measure the crankshaft 0.0.,
and
if wear
is exceSSlve,
finish
the
crankshaft to the next undersize and replace the main bearing and con-
necting
rod
bearing
with
new
parts
of
the
same
undersize.
51
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