3-47
TM 5-6675-317-14
f.
Disconnect ground wire.
g.
Withdraw defective foot switch and wiring from controller.
h.
Place strain relief bushing on wire to new foot switch.
i.
Reinsert wiring into box and connect to terminals and ground.
j.
Reinstall strain release bushing on wire and lock into box.
NOTE
Be sure internal wires have adequate slack.
k.
Adjust strain relief bushing as required.
1.
Reinstall cover and secure with screws.
m.
Plug in power cord.
3-20.5 Replace Illumination Controller Potentiometer(s).
MOS :
41B, Topographic Instrument Repair Specialist
TOOLS:
Flat Tip Screwdriver
9/16 in. Combination Wrench
1/16 in. Hex Head Key Wrench
Soldering Iron
SUPPLIES:
Potentiometer
Solder (Item 71, Appendix E)
WARNING
Death or serious injury may occur from electrical shock unless power cord is
unplugged before servicing.
a.
Turn off power switch.
b.
Unplug power cord.
Change 1
