TM-9-2320-272-10

TRUCK, 5-TON, 6X6, M939, M939A1, AND M939A2 SERIES TRUCKS (DIESEL)

TECHNICAL MANUAL; OPERATOR'S MANUAL

SEPTEMBER 2004

CHANGE 2

TM-9-2320-272-10 - Page 273 of 481

TM 9-2320-272-10

2-164

WARNING

Ground spike must be driven into

ground 18-24 in. (46-61 cm) and spike

cable connected to the chassis before

power can be taken from outside source.

Failure to do this will result in electri-

cal damage, injury, or death.

(1)

Turn on main switch in circuit breaker

switch box (1).

(2)

Turn on left heater switch (switch 5)

and/or right heater switch (switch 8) in circuit

breaker switch box (1).

(3)

Set heater thermostat (2) to desired

temperature.

2-27. OPERATION OF EXPANSIBLE VAN TRUCK (Contd)