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 403 of 481

TM 9-2320-272-10

3-54

3-11. WHEELS AND TIRES (Contd)

(f)

Start at one corner of vehicle to gauge and adjust pressure, as neces-

sary, of all tires (6). Remove tire valve cap (1), apply tire gauge air chuck (7) on tire

valve stem (2) and press down firmly to read tire pressure on gauge dial (5). Press

air chuck lever (4) to inflate tire (6) as necessary. Release air chuck lever (4)

momentarily to read pressure on gauge dial (5).

NOTE

M939A2 series vehicles

utilize CTIS which must be

disabled to manually

inflate front and rear tires.

(g)

On M939A2 series vehicles, remove valve cap (1) from the valve stem

(2) through CTIS cover access (8).

(3)

Remove tire gauge air chuck (7) from tire valve stem (2) when tire pres-

sure is adjusted to recommended inflation pressures in table 1-10. Install tire valve

cap (1) and tighten finger-tight.

(4)

When tire inflation operation

is completed, turn air valve handle (10)

crosswise to piping. Uncouple gauge and

hose assembly (3) from air coupling (9),

and install cover (11) on air coupling (9).

(5)

Return tire inflation gauge and

hose assembly (3) to tool compartment.

NOTE

Remove wheel chocks if used.