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 384 of 481

TM 9-2320-272-10

3-35

3-11. WHEELS AND TIRES (Contd)

(f)

Pull hand chain (5) to slightly raise spare tire (6) from spare tire

carrier base (7). Move spare tire (6) out of bracket area towards back of cab. Pull

spare tire (6) towards side of vehicle until sufficient clearance is obtained to lower

spare tire (6) to ground.

(g)

Pull on hand chain (5) to lower spare tire (6) to ground.

(h)

Remove utility chain (1) securing spare tire (6) to chain fall (4).

(4) Installation

(M929/A1/A2, M930/A1/A2, and M934).

(a)

Place utility chain (1) through rim of spare tire (6) and ring (2) on

utility chain (1). Center ring (2) at top of spare tire (6). Take up slack and hook

utility chain (1) back onto utility chain (1).

(b)

Lower chain fall (4) hook and attach to utility chain ring (2).

(c)

Raise spare tire (6) until it clears tire carrier base (7). Place tire on

tire carrier base (7).

(d)

Lower wheel brace (10), guide threaded bar (8) to notch in spare tire

carrier base (10), and tighten wingnut (9) until snug.

(e)

Remove utility chain (1) from spare tire (6) and chain fall (4) from

support loop (3). Return utility chain (1) and chain fall (4) to tool compartment.

(5) Removal

(M934A1/A2).

NOTE

• This procedure requires two personnel.

• Cable and hook will be attached to spare tire during normal

vehicle operation.

(a)

Push and hold button (14) and remove retaining pin (13) and lift

brace (11) up. Reinstall pin (13) with brace (11) in up position.

(b)

Turn winch handle (12) counterclockwise to remove tension.