TM-9-2350-275-BD Battlefield Damage Assessment and Repair for M113 Family Download
Page 200 of 224
TM 9-2350-275-BD APPENDIX B Procedural Steps (Cont): 3. Start auxiliary generator, strike arc, and weld. Set control unit for amperage level required by the thickness of the metal. 4. Record the BDAR action taken. When the mission is completed, as soon as practicable, repair vehicle using standard maintenance procedures. B-5. UNCONTROLLED AMPERAGE General Information Battlefield repairs requiring welding can be accomplished by using auxiliary generator (Little Joe) from M88 recovery vehicle or a generator if a regular welder is not available. Welding will be difficult without amperage control. Limitations ● Possible degraded armor protection Personnel/Time Required: ● 2 soldiers ● 1-3 hours Materials/Tools: Auxiliary generator (24 vDC) Heavy gauge cable (2.0 gauge minimum) Vise grips or clamps Fuel line Welder helmet and gloves Welding rod, coat hangers, or barbed wire Other Options: ● Weld using the vehicle battery power Procedural Steps: 1. Remove auxiliary generator from M88 recovery vehicle and place close to area to be welded. Connect heavy gauge cables (+) and (-) output posts and tighten securely. 2. Connect negative (-) cable to vehicle hull with clamp close to area to be welded. Connect welding rod to positive (+) cable with vise grip and insulate area against heat with gloves, rags, or several layers of dry paper. B-10