REPAIR HULL BY WELDING

TM-9-2350-277-20-4 Carrier Personnel Full Tracked Armored M113A3 2350-01-219-7577 (EIC AE7) Carrier Command Post Light Tracked M577A3 2350-01-369-6085 (EIC AE7) Manual
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TM 9-2350-277-20-4 REPAIR HULL BY WELDING 0529 00 THIS WORK PACKAGE COVERS: Safety Precautions (page 0529 00-1). Aluminum Castings (page 0529 00-1). Magnesium Castings (page 0529 00-2). Fuel Tanks (page 0529 00-3). Plastic Molding Material (page 0529 00-3). Welding Near Mortar Ring (M1064A3 Only) (page 0529 00-4). General Welding Instructions (page 0529 00-4). MIG Welding Method (page 0529 00-5). INITIAL SETUP: Maintenance Level Unit Tools and Special Tools Metal Worker’s Tool Kit (WP 0926 00, Item 63) Trailer Mounted Welding Shop (WP 0926 00, Item 69) Materials/Parts Cleaning compound (WP 0928 00, Item 19) Personnel Required Metal Worker 44B10 References See your -10 TM 9-237 TM 43-0139 Equipment Condition Engine stopped (see your -10) Carrier blocked (see your -10) Battery ground strap disconnected (WP 0337 00), (WP 0338 00), or (WP 0339 00) REPAIR OR REPLACEMENT SAFETY PRECAUTIONS 1. Wear clothing such as leather or heavy denim. Do not wear clothing with loose pockets, trouser cuffs, or short or rolled-up sleeves. 2. Do not expose bare skin to welding arc. 3. Do not look directly at welding arc unless you are wearing a welding hood. 4. Wear flash goggles or tinted safety glasses (No. 2) in welding area. 5. Disconnect power source before changing parts or making equipment repairs. 6. Do not touch drive mechanism or any part of the electrode. 7. Make sure welding area has plenty of fresh air without being drafty. Remove all toxic and combustible material. 8. Make sure all electrical and gas connections are tight. 9. Do not touch any metal in welding area with bare hands. Aluminum does not change color when hot. 10. Do not weld in the fuel compartment where sealing compound has been applied. 11. Use a welding screen to protect personnel from arc flash. ALUMINUM CASTINGS CAUTION Heat distortion during welding will damage aluminum castings. Do not attempt to repair aluminum castings by welding. 1. Welding on final drive aluminum casting is not authorized. Do not attempt to weld on the final drive housing assembly. 0529 00-1

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