TM 55-4920-328-13
Table 2-5. Function of Controls and Indicators –Continued
INDEX AND
REFERENCE
FIGURE NO.
NOMENCLATURE
DESIGNATION
FUNCTION OR INDICATION
CONTROL POWER MODULE (figure 1-26)-Continued
26, figure
AIR COMP STOP
S12
Used to remove power from relay K1 in
1-26
Switch
the air system control circuits to de-
energize the air compressor motor.
27, figure
TOWER FAN NO. 2
S10
Used to remove power from relay K3 in
1-26
STOP Switch
the water system control circuitry to de-
energize the No. 2 cooling tower fan
motor.
28, figure
TOWER FAN NO. 1
S8
Used to remove power from relay K2 in
1-26
STOP Switch
the water system control circuitry to de-
energize the No. 1 cooling tower fan
motor.
29, figure
COOLING PUMP
S6
Used to remove power from relay K4 in
1-26
STOP Switch
the water system control circuitry to de-
energize the cooling tower pump motor.
30, figure
BRAKE PUMP STOP
S4
Used to remove power from relay K1 in
1-26
Switch
the water system control circuits to de-
energize the water brake pump motor.
31, figure
INST PWR OFF
S2
Used to remove 117v ac, 60 Hz control
1-26
Switch
power from the WATER SYSTEM, EN-
GINE SYSTEM, and LIGHTS motor
starters and relays. Also removes power
from the services sub-module and
trickle charger relay K6.
2-38
