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 TM 53-1905-223-24-18-1
Tag and disconnect electrical leads to electrical bell.
j.
Remove mounting hardware securing electrical bell to junction box (2).
k.
Remove electrical bell (6).
l.
Repair at this level of maintenance is by replacement of thermostatic switches
(1), lever switches (3, 7) and electrical bell (6).
Install electrical bell (6) on junction box (2); secure with mounting
a.
hardware.
Connect electrical leads and remove tags.
b.
Install lever switches (7) on surface mounting boxes (5); secure with the
c.
mounting hardware.
Connect electrical leads and remove tags.
d.
Install lever switches (3) and replace junction box covers (4); secure with
e.
mounting hardware.
Connect electrical leads and remove tags.
f.
Install thermostatic switches (1) on junction boxes (2); secure with mounting
g.
hardware.
Connect battery inside fire detection control panel.
h.
Turn circuit breaker 16 ON in EP102. Remove tags.
i.
Notify the bridge that maintenance on the fire detection system is complete.
j.
2-572
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