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Weer fait
2
5
ss)
152610)
3
Bol mm
chs
eat
5, Camshaft bearing
Bearings should be olesned, dried, and
the races visually checked for pits, rust
spots or chatter marks whare the balls
have dragged. If any of these conditions
exists the bearings should be replaced.
NOTE
Lubricate the buerings immediawwly @
amining them to prevent rust format
344
6 Cam sproc«ot and cam drive spraz<et
Check the cam sprocket ard cam drive
sprocxel fer wear
Cylinder
1 . Visually check the cylinder we'is for
scratches, If vertice! scratched are ev
dent, the eyloder wall should be re-
dored oF the cylinder should be replacec
Measure
cylinder wall weer in the
manner as shown, If woar is excessive,
compression pressure will decrease,
and engine trouble will occur Aebore
the cylinder wall. and replace the piston
J piston rings,
Cylinder waar should he mensu-ed at
three deptns by placing tho measuring
insirament in peraliel to, and at right
angles to, the crankshaft
{See the il:
luszration.)
If the cylinder wall is worn more than
waar limit. it should be rebored.
N
=
=
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