TM5-6675-326-14
2-19.4 Service Z-Axis - Continued
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Reinstall worm gear assembly. Make sure that all shims are on
sprocket shaft.
Reengage chain and sprocket.
Reinstall optical mount gear housing. Secure with four
screws.
Test motion by moving Z-axis coarse feed knob.
Collimate optical mount (para 2-10.3).
plug in power cord.
2-19.5 Replace Momentary Switch
PERSONNEL REQUIRED: 1 Topographic instrument repair specialist MOS 41B
TOOLS: 9/64-in. flat-tip screwdriver
5/8-in. combination box and open end wrench
Soldering gun
MATERIALS/PARTS: Solder, item 87, appendix E
Momentary Switch
TEST EQUIPMENT: Multimeter
2-60
