TM-9-2320-260-20
TRUCK, 5-TON, 6X6, M809 SERIES (DIESEL)
TECHNICAL MANUAL; UNIT MAINTENANCE
APRIL 1995
TM-9-2320-260-20 - Page 71 of 1337
TM 9-2320-260-20
I
1-20.
ELECTRICAL SYSTEMS OPERATION
(Contd)
c. Generating System Operation.
ALTERNATOR –
Supplies electrical power to operate all electrical accessories and keeps
batteries charged when engine is operating.
d. Heating System Operation.
A HOT WATER PERSONNEL HEATER –
Warms interior of vehicle cabin cold climate conditions.
Hot engine coolant circulating through heater warms air flowing through heater core. A fan then
forces outside air through heater and into cab.
B PERSONNEL HEATER SWITCH –
Allows heater fan to operate at two speeds.
1-58
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