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 385 of 481

TM 9-2320-272-10

3-36

3-11. WHEELS AND TIRES (Contd)

(c)

Loosen wingnut (7) attaching wheel brace (8) to threaded bar (6).

(d)

Guide threaded bar (6) from notch in spare tire carrier (4). Lift wheel

brace (3) and threaded bar (6) from spare tire carrier (4).

WARNING

Stand clear during hoisting operations. Injury may result if

personnel are struck by a swinging spare tire.

(e)

Turn handle (9) clockwise to slightly raise spare tire (5). Swing spare

tire (5) and davit boom (2) toward side of vehicle until sufficient clearance is

obtained to lower spare tire (5) to ground.

NOTE

Spare tire must be turned flat to vehicle body during lowering

operation.

(f)

Turn winch handle (9) counterclockwise to lower spare tire (5) to

ground.

(g)

Remove davit chain (1) from spare tire (5).