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 145 of 481

2-46

Change 2

Table 2-3. Preventive Maintenance Checks and Services for Models M939/A1/A2 (Contd).

ITEM

NO.

INTERVAL

ITEM TO

CHECK/

SERVICE

NOT FULLY

MISSION

CAPABLE IF:

TM 9-2320-272-10

LOCATION

12

(contd)

Before

Controls

and

Instru-

ments

(contd)

j.

Check transmission selector (2)

and transfer case shift lever (6). Shift

in all ranges, observing unusual

stiffness, abnormal operation, or

binding.

k.

Put front-wheel drive lock-in

switch (8) to IN position. Make

sure axle lock-in light (1) is on

(para. 2-3).

l.

Check steering response.

m.

Listen for leakage in exhaust

system.

n.

Determine parking brake (5)

ability to hold vehicle. Depress

override button (3) on dash, apply

parking brake (5) and engage

transmission in 1-5 drive. If

vehicle moves at idle, adjust

parking brake (para. 3-17).

j.

Transmis-

sion selector (2)

or transfer case

shift lever (6)

inoperative or

binding.

k.

Front-wheel

drive will not

engage.

l.

Steering

binds or is

unresponsive.

m.

Any leak

could cause injury

to personnel.

n.

Vehicle

moves when

parking brake is

applied, and

parking brake (5)

cannot be

adjusted.

CREWMEMBER

PROCEDURE