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 TM 55-1925-273-10-1
0044 00
Table 11. Main Switchboard (refer to figure 11) (continued)
Key
Control/Indicator
Function
47
STEERING GEAR PUMP
This circuit breaker provides circuit protection for steering gear pump 1.
#1 Circuit Breaker
48
3-25 KVA 10 XFMRS Circuit
This circuit breaker provides circuit protection for power transformers
Breaker
mounted on the engine room port bulkhead.
49
ENG RM SUPPLY FAN 1
This circuit breaker provides circuit protection for engine room supply
Circuit Breaker
fan 1.
50
SHORE POWER CKT BRK
This circuit breaker provides circuit protection for the shore power circuits.
Circuit Breaker
51
AUX MCHY SPACE #2
This circuit breaker provides circuit protection for auxiliary machinery
PWR PNL 5 Circuit Breaker
space 2 power panel 5.
52
BILGE PUMP #2 Circuit
This circuit breaker provides circuit protection for bilge pump 2.
Breaker
53
CENT HYD SYS PWR UNIT
This circuit breaker provides circuit protection for the central hydraulic
#1 & #2 Circuit Breaker
system power pack.
54
LUBE OIL PURIFIER Circuit
This circuit breaker provides circuit protection for the lube oil purifier.
Breaker
55
SPARE 3P
This is a spare circuit breaker.
56
SPARE 3P
This is a spare circuit breaker.
57
HOT POTABLE WATER
This circuit breaker provides circuit protection for hot water heater 2.
HTR #2 Circuit Breaker
58
MAIN DECK PWR PNL
This circuit breaker provides circuit protection for main deck power
#3 Circuit Breaker
panel 3.
59
BUS TIE CKT BKR
This circuit breaker provides circuit protection for the bus tie.
Circuit Breaker
60
ENG RM PWR PNL
This circuit breaker provides circuit protection for power panel 1.
#1 Circuit Breaker
61
SPARE Circuit Breaker
This is a spare circuit breaker.
62
AUX MACH NO.1 PWR
This circuit breaker provides circuit protection for power panel 4.
PNL #4 Circuit Breaker
63
1-25 KVA XFMR 440/220/110V
This circuit breaker provides circuit protection for the 220/110V
Circuit Breaker
distribution panel.
64
SPARE Circuit Breaker
Spare circuit breaker.
65
HOT POTABLE WTR HTR
This circuit breaker provides circuit protection for hot water heater 1.
#1 Circuit Breaker
66
ENG RM EXH FAN
This circuit breaker provides circuit protection for engine room exhaust
#1 Circuit Breaker
fan 1.
0044 00-23
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