TM-9-2320-361-20
2-1/2-TON, 6x6, M44A2 SERIES TRUCKS (MULTIFUEL)
TECHNICAL MANUAL; UNIT MAINTENANCE
OCTOBER 1991
TM-9-2320-361-20 - Page 71 of 1207
TM 9-2320-361-20
1-20. ELECTRICAL SYSTEMS OPERATION (Contd)
c. Generating System Operation.
ALTERNATOR
- Supplies electrical power to operate all electrical accessories and keeps batteries
charged when vehicle engine is operating.
d. Heating System Operation.
HOT WATER PERSONNEL HEATER
- Warms interior of vehicle cab in cold weather. Hot engine
coolant circulating through heater is utilized to warm air flowing through heater core. An electric
motor, with two speeds, powers a fan to force outside air through heater and into cab.
PERSONNEL HEATER SWITCH
- Allows heater fan to be operated at two speeds to ensure
comfort of personnel in cab.
1-58
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