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 TM 55-1905-223-24-18-1
2-153.
Repair Shipboard Alarm Panel.
This task covers:
a. Disassembly, b. Repair, c. Assembly.
INITIAL SETUP
Tools
Equipment Condition
T o o l kit, electrician's,
Electrical power to shipboard panel
alarm OFF at EP102, circuit breaker
9 tagged "Out of Service - Do Not
Materials/Parts
Operate." (TM 55-1905-223-10)
Electrical bell P/N 340-4N5
Thermostatic switch P/N IC/J-105
Water switch P/N IC/W
Warning tags, Item 1, Appendix C
Notify the bridge that the shipboard panel alarm will be
secured for an extended period of time due to maintenance.
DISASSEMBLY
a.
Disconnect electrical cable (2) from electrical bell (4).
b.
Remove hexhead nut (3).
c.
Remove electrical bell (4) from terminal box (1).
d.
Tag and disconnect electrical leads (5) to water switch (6).
e.
Remove mounting hardware and remove water switch (6).
f.
Tag and disconnect electrical leads (9) to thermostatic switch (8).
Remove mounting hardware and remove thermostatic switch (8) from junction box
g.
(7).
Repair at this level of maintenance is by replacement of electrical bell (4),
water switch (6), and thermostatic switch (8).
Change 1
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