TM-9-2350-273-BD M60 M48 Battle Damage Assessment and Repair Download
Page 134 of 288
TM 9-2350-273-BD ARMAMENT AND FIRE CONTROL SYSTEMS Procedural Steps (Cont'd) CAUTION When arc welding on turret, ground welding equipment to turret only. Parts of slip ring and race bearings can be damaged from high currents conducted between hull and turret if welding equipment is not grounded correctly. CAUTION Disconnect electrical connectors from laser rangefinder before arc welding anywhere on tank. Rangefinder can be damaged by electrical current caused during arc welding. 8. Use gas or arc to weld a continuous bead around the patch. Check weld for cracks or openings, and repair if necessary. Option 2: Fabricated clamp repair. Limitations: ● None Personnel/Time Required: ● 1 soldier ● 1 hour Materials/Tools: ● Acetylene torch ● Asbestos paper or other suitable fire resistant material ● Grinder ● Hexagon head nuts, 3/8-inch (as required) ● Lockwashers (as required) ● Machine screws, 3/8-inch x l-inch (as required) ● Sheet metal, l/4-inch thick, about 21-inches long and wide enough to overlap damage. Procedural Steps: 1. Use acetylene torch and grinder to cut and remove any burrs or protruding metal edges that may affect air-tight seal. 2. Clean any blocked gas ports, if accessible. 3. Measure and record dimensions of damaged area. 10-9