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 TM 55-1905-223-24-18-1
Repair Ship Service Switchboard Indicators, Meters, Switches, and
Circuit Breaker.
This task covers:
a. Disassembly, b. Repair, c. Assembly, d. Test.
INITIAL SETUP
Tools
Equipment Condition
T o o l kit, electrician's,
Power to ship service switchboard OFF,
locked out, and tagged "Out of
Service - Do Not Operate".
All switchboard circuit breakers OFF.
Material/Parts
Incandescent lamp, P/N 686-6-120 (2)
Light lens P/N 80-0534-300 (2)
Ammeter P/N 50-103131LSRS
Frequency meter P/N 50-103372ANAN
Rotary switch P/N 16SB1CA20
Rotary switch P/N 16SB13P4T
Wattmeter P/N 50-103221ARBU7CCA
Voltmeter P/N 50-103021PZSJ
Circuit breaker P/N TFJ236225 (2)
Warning tags, Item 1, Appendix C
WARNING
Electrocution, serious injury, or equipment
damage can result from contact with live
e l e c t r i c a l circuits. Before beginning work
on electrical systems, ensure electrical
power is OFF, locked out and tagged to
prevent turn on during maintenance.
a.
Unscrew each light lens (1, 5, FIGURE 2-208) collar from its respective
socket.
b.
Remove incandescent lamp from each socket.
Change 1
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