l-2-6.
l-2-7.
Put the arm in its original upright position
and adjust the pinion shaft and the nut.
1. Gradually tighten the nut while confirm-
ing that there is no excess friction,
uneven movement or play in the thrust
direction.
2. If the nut is tightened too much it may
cause excess friction. Be careful.
Apply glue (OTI 027) on the threads
nut.
of the
2.
Assembling the upper stopper of coarse focus-
ing unit
2-l.
Mount the clu
bly.
*Confirm that
undamaged.
tch plate
on the
pinion assem-
the
1 plate is
free
of grease and
-26-