3-l-2. Mount plate (AA783000) with 3 screws
(CSTB3 x 10SA).
3-l -3. Check the gear movement.
1. Lightly rotate the gears with your finger
and confirm that there is no excess fric-
tion, uneven movement or noise.
2. If malfunctions are observed check the
following and adjust or replace com-
nent(s), if necessary:
o Mounting of the plate (AA783000).
o Damage or foreign particles on gear teeth.
o Damage or burrs around bearing hole of
plate (AA783000).
3-l-4. Affix the right hand knob assembly on the
microscope arm.
3-2. Assemble the left hand knob assembly of the
coarse focus unit.
3-2-l. Place spring (AA784200) on the shaft.
*Hook the circular part at the tip of the
spring to H K screw AA146300.
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