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 390 of 481

TM 9-2320-272-10

3-41

3-11. WHEELS AND TIRES (Contd)

(2) Tire Installation (M939 series

vehicles).

NOTE

• Use jack handle as pry bar to raise

tire over wheel studs.

• Have all nuts torqued by unit main-

tenance as soon as possible.

• Return unserviceable wheel and tire

to unit maintenance for repair,

replacement, or exchange.

(a)

If installing rear inner dual tire (6), position tire (6) on axle hub (13)

shallow side out, and install ten adapter spacer nuts (4) on studs (7). Tighten

securely in sequence shown, and install outer dual tire (3).

(b)

If installing a rear outer dual tire (3), align valve stem (5) with venti-

lation holes, position tire (3) on axle hub (13) with deep side out, and install ten

wheel stud nuts (2) on adapter spacer nuts (4), and tighten wheel stud nuts (2)

securely in sequence shown.

(c)

Installation of front tire is accomplished by following step (a) except

that ten wheel stud nuts (2) are connected directly to studs (7).

(d)

Turn valve (11) at base of jack (10) counterclockwise with slotted end

of jack handle (12) to lower vehicle tire to ground. Remove jack (10) from under axle

housing (8).

(e)

Return jack (10), jack handle (12), wheel stud nut wrench (1), and

wrench handle (14) to tool compartment and remove wheel chocks.

(f)

Secure damaged tire in spare tire carrier (para. 3-11b.).