TM 9-2320-361-10 2-46. OPERATION OF A-FRAME KIT a. General. The A-frame kit is installed on cargo (M35A2, M35A2C, M36A2) and tractor (M275A2) trucks equipped with a front winch to provide a means for lifting, moving, loading, and unloading materials and equipment when standard cranes are not available. The pipeline construction (M756A2) truck may also have the A-frame kit installed. A-frame load capacity is 3,000 lb ( 1,362 kg). b. Safety Precautions. When using an A-frame assembly, the operator should be aware of the following operating instructions for personnel safety and maintaining equipment in operating condition: (1) Do not attempt to lift more than 3,000 lb (1,362 kg) with A-frame kit. (2) Do not drop poles (2) below 60 degree angle with ground surface. (3) Do not allow load to swing. (4) Avoid hitting overhead obstacles. (5) Prevent kinking and twisting of winch cable (1). (6) Do not use winch cable (1) to tie load (7) Do not allow cable chain (4) to contact snatch block (3). c. Preparation for Use. (1) Perform before operation PMCS, table 2-2. 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, Signal nearby personnel to have electrical power turned off. Failure to do this may result in injury or death to personnel. NOTE A-frame kit is installed and rigged by maintenance personnel. (2) Maneuver vehicle into position for operation. (3) Park vehicle and apply parking brake. d. Operating A-frame. Operate front winch to raise, lower, or hold load. Refer to para. 2-24. 2-195