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Disassembly and Replacement
9.3.6.2
Filter Wheel Motor
9.4
Limit Switch
6.
Clamp the Teflon washer and filter wheel in position using a new
retaining ring.
7.
Replace the filter and lens assembly in the base assembly (refer to
"Section 9.3.6 - Filter and Lens Assembly").
REMOVAL
1.
Remove the filter and lens assembly from the base assembly (refer to
"Section 9.3.6 - Filter Wheel Assembly").
2.
Remove the filter wheel (refer to "Section 9.3.6.1 - Filter Wheel").
3.
Remove the two screws securing the filter wheel motor.
REPLACEMENT
4.
Position the filter wheel motor so the wires are on the side toward the
filter wheel.
5.
Mount the motor with the two thread-forming screws. DO NOT OVER
TIGHTEN!
6.
Replace the filter wheel (refer to "Section 9.3.6.1 - Filter Wheel").
7.
Check the filter wheel and motor alignment.
a.
Hold the pinion and attempt to move the filter wheel.
b.
If there is any play, loosen either mounting screw for the motor
and move the motor closer to the filter wheel.
c.
Recheck for play.
8.
Replace the filter and lens assembly in the base assembly (refer to
"Section 9.3.6 - Filter and Lens Assembly").
The limit switch is located on the bottom of the instrument.
REMOVAL
1.
Remove the power cord from the back of the instrument.
9 - 22
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Troubleshooting
