TM 55-4920-328-13
Table 2-5. Function of Controls and Indicators
INDEX AND
REFERENCE
FIGURE NO.
NOMEMCLATURE
DESIGNATION
FUNCTION OR INDICATION
AUXILIARY TRAILER POWER DISTRIBUTION BOX (2, figure 1-32)
Figure 5-2
Water Brake
CB1
Connects 208v ac, 60 Hz three-phase
Pump Circuit
power to the water system water brake
pump motor M1 when relay K1 is ener-
Breaker
gized by closure of the BRAKE PUMP
START switch S3 (8, figure 1-26).
Figure 5-2
Tower Fan No. 1
CB2
Connects 208v ac, 60 Hz three-phase
Circuit Breaker
power to the No. 1 tower fan motor M2
in the water system when relay K2 is
energized by closure of the TOWER
FAN NO. 1 START switch S7 (10, figure
1-26).
Figure 5-2
Tower Fan No. 2
CB3
Connects 208v ac, 60 Hz three-phase
Circuit Breaker
power to the No. 2 tower fan motor M3
in the water system when relay K3 is
energized by closure of the TOWER
FAN NO. 2 START switch S9 (11, figure
1-26).
Figure 5-2
Tower Pump
CB4
Connects 208v ac, 60 Hz three-phase
Circuit Breaker
power to the tower pump motor M4 in
the water system when relay K4 is ener-
gized by closure of the COOLING
PUMP START switch S5 (9, figure 1-
26).
2-15
