TM 55-4920-328-13
Table 2-5. Function of Controls and Indicators --Continued
INDEX AND
REFERENCE
FIGURE NO.
NOMEMCLATURE
DESIGNATION
FUNCTION OR INDICATION
CIRCUIT BREAKER PANEL ASSEMBLY (25, figure 1-21)-Continued
3, figure
Beacon/Spare
CB4
Connects 117v ac, 60 Hz single-phase
2-9
Circuit Breaker
power to the BEACON ON switch S23
(19, figure 1-26) and the BEACON OFF
switch S24 (20).
13, figure
Instrument Power
CB5
Supplies 117v ac, 60 Hz single-phase
2-9
Supply Circuit
power to energize the 26v ac, 400 Hz
Breaker
power supply (41, figure 1-25) and the
28v dc utility power supply assembly
(48) when the 26 VAC, 400 HZ switch-
light unit (31), and the 115 VAC, 400 HZ
switchlight unit (28) are energized.
2, figure
Lube Pump
CB6
Connects 208v ac, 60 Hz three-phase
2-9
Circuit Breaker
power to the lubricating oil unit pump
motor Ml when relay K4 is energized
by closure of the LUBE PUMP START
switch S13 (13, figure 1-26).
12, figure
Flood Light/
CB7
Supplies 117v ac, 60 Hz single-phase
2-9
Blower Circuit
power to energize relay K3 and provide
Breaker
single-phase power to switches S25 and
S26 to allow the blowers in the castle
assemblies to be energized. Closure of
the relay causes the control cab module
spot lights to come on when the
FLOOD LIGHTS ON switch (17, figure
1-26) is energized.
2-17
