TM-9-2350-277-34 Direct and General Maintenance Manual M113A3 M577A3 M1064A3 M1068A3 M58 Download
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TM 9-2350-277-34 INSTALL COMMANDER’S CUPOLA ARMOR SHIELDS (M113A3 AND M1064A3 ONLY) — Continued 0088 00 18. Place two 1/16 to 1/8 inch (2 to 3 mm) thick spacers (4) between blocks and shield plate so pintle flange is 1/16 to 1/8 inch (2 to 3 mm) below shield plate. 19. Using a level, check to see that pintle flange (3) and shield plate (1) are level. Make sure machine gun is still centered in slot. Remove machine gun. 20. Use a welding machine and tack weld pintle flange to shield plate (1) in four places. Then weld pintle to upper surface on plate with not less than 3/16 inch (4 mm) fillet weld all around pintle flange. Weld in accordance with Class I, MIL-STD-1261. 21. Raise and lower machine gun mount. Check for interference between ammunition tray and shield plate. Use a hand grinder and grind off plate, as needed. Apply primer coating. See TM 43-0139. 22. Touch up any damaged areas with enamel paint. See TB 43-0209. 0088 00-4