TM10-6640-216-13&P
4-28.
REMOVE/lNSTALL GAS ALARM SYSTEM - continued.
2.
Remove gas alarm buzzer. See figure 4-21.
a.
Unplug power input cable to Airmobile Laboratory.
b.
Loosen two cover plate screws and remove.
c.
Remove and tag two wires from buzzer.
d.
Remove one mounting screw and remove defective buzzer.
3.
Remove gas alarm detector element. See figure 4-22.
a.
Unplug power input cable to Airmobile Laboratory.
b.
Loosen setscrew on shield assembly. Remove shield assembly.
c.
Unplug defective detector element
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