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 347 of 481

TM 9-2320-272-10

2-238

a.

General.

The A-frame kit is installed on cargo and tractor vehicles equipped

with a front winch to provide a means for lifting, moving, loading, and unloading

material and equipment. A-frame load capacity is 3,000 lb (1,362 kg).

b.

Preparation for Use.

WARNING

Vehicle will become charged with electricity if A-frame contacts

or breaks high-voltage wire. Do not leave vehicle while high

voltage line is in contact with A-frame or vehicle. Notify nearby

personnel to have electrical power turned off. Failure to do this

may result in injury or death.

NOTE

A-frame kit is installed and rigged by unit maintenance.

(1)

Maneuver vehicle into position for operation. Be careful that A-frame does

not come into contact with wires, cables, tree limbs, or other overhead obstructions.

(2)

Park vehicle and apply parking brake.

c.

Operating A-frame.

Operate front winch to raise, lower, or hold load. Refer

to paragraph 2-22 for front winch operating instructions.

CAUTION

• Do not attempt to lift more than 3,000 lb (1,362 kg) with A-

frame kit.

• Do not allow cable chain (2) to contact snatch block (1).

2-46. A-FRAME KIT