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 213 of 481

TM 9-2320-272-10

2-112

WARNING

Personnel must not occupy vehicle in tow. Injury or death may

result.

CAUTION

• Do not use towing as a means to start engine of vehicle with

automatic transmission.

• Damage to automatic transmission of disabled M939/A1/A2

series vehicles will result from towing unless transmission,

transfer case, and PTO are all in neutral. Refer to disabled

vehicle operator’s manual for towing instructions.

• When towing M939/A1/A2 series vehicles with inoperative com-

pressed air system, spring brakes must be caged prior to tow-

ing. Refer to paragraph 3-13.

• Maximum towing speed shall not exceed 35 mph (56 km/h) on

paved highway or 15 mph (24 km/h) on off-highway surfaces.

NOTE

When towing M939/A1/A2 series vehicles, normal towing proce-

dures require removal of propeller shaft.

(a)

Remove two lifting shackles (3) from front bumper (5) of vehicle to be

towed and store in safe place.

(b)

Install clevis (2) end of towbar (7) on front bumper shackle brackets (4)

and secure in place with clevis bolt (6) and safety pin (1).

2-20. TOWING WITH TOWBAR