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 276 of 481

TM 9-2320-272-10

2-167

(7)

Adjust temperature selector (7). Cooler temperatures are obtained when

temperature selector (7) is turned counterclockwise.

(8)

Open air conditioner

vents (8).

(9)

To shut off air condi-

tioner:

(a)

Turn air condi-

tioner control (5) to VENT.

(b)

Turn compressor

circuit breaker (4) to OFF.

(c)

Turn power input

switch (3) to OFF.

(d)

Turn off air condi-

tioner switch in circuit breaker

switch box (1).

(e)

Pull bonnet door

control rod (9) back to close bon-

net door (11).

h.

Blackout Operations.

(1)

Push up blackout panels (12) on van sides and rear doors to block in all

interior light.

(2)

Turn on blackout circuit switch (switch 2) in circuit breaker box (1).

(3)

Turn on main circuit breaker switch in circuit breaker box (1).

(4)

Turn on blackout switch (2). Ceiling lights (10) will cut off automatically

when van door is opened.

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