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decompressor's shaft to the decompressing position, loosen the
locking nuts of adjusting screws on the first and second cylinder
and turn the adjusting screws to make them just touching the
rocker arm heads of the intake valves. Turn the screws for 1-1. 5
turns further to make the intake valves open by
1-1 . . 5·
mm, and
then lock the screws with their nuts .
.L~fter
completing the adjust-
ment of the first and second cylinders, turn the flywheel for one
more revolution to lift the piston of the fourth cylinder up to the
top dead center in its compression stroke ,Adjust the valve decom-
pressor travels on the third and fourth cylinders by
the~
saIne
method as shown in Fig . . 8.
Fig. 8
Adjusting decompressor's travel
30
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