TM 5-3610-285-14
c.
Remove mounting screws holding photodetector assembly and set assembly aside.
d.
Remove screws for control panel.
e.
Carefully lift control panel from its mount to gain access to control circuit board.
f.
Tag and disconnect wires for photodetector assembly.
g.
Remove defective photodetector assembly from inside housing.
h.
Feed wires from new photodetector assembly from inside housing and connect wires to control circuit board.
i.
Secure photodetector assembly in place with mounting screws.
j.
Carefully lift control panel onto its mount and fit into place.
k.
Reinstall mounting screws for control panel.
l.
Rotate glass frame into horizontal position and lock into place with frame release knob.
m. Turn on power panel circuit breaker.
n.
Check adjustment of photodetector assembly by producing a plate. Adjust as necessary (paragraph 2-10.2).
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