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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 REPAIR COMMANDER’S CUPOLA (M113A3, M1059A3, M1064A3, AND M58 ONLY) — Continued 0051 00 18. Remove heads of three drive screws (18) and clip (19) from cupola (20). NOTE There are five vision block locks and five seals on the commander’s hatch. All are removed the same way. NOTE Commander’s center vision block is held in place by two thumbscrews. 19. Remove thumbscrew (21) from arm (22). 20. Remove spring pin (23) from arm (22). Discard spring pin. 21. Remove arm (22) and washer (24) from hull bracket. 22. Scrape seal (25) from vision block opening. 0051 00-6 Change 2