TM-9-2350-261-20-1 Unit Maintenance Manual Volume 1 M113A2 M577A2 M1064 M1068 M1059 M901A1 Download

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TM 9-2350-261-20-1 PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS), INCLUDING LUBRICATION INSTRUCTIONS — Continued 0120 00 ITEM NO. INTERVAL MAN- HOUR ITEM TO BE CHECKED OR SERVICED CREWMEMBER PROCEDURE EQUIPMENT NOT READY/ AVAILABLE IF: 51 Semi-annual Hatch Covers, Latches and Seals a. Replace cracked, cut, or hard seal (WP 0444 00, WP 0451 00, WP 0460 00, WP 0463 00, WP 0468 00, and WP 0469 00). Hatch fails to lock in any position or catch safety pin is missing. b. Check covers for smooth operation. Repair or lubricate cover that binds. Repair catch if cover doesn’t lock in open position. c. Replace damaged or missing catch safety pins. d. Replace bumpers that are cut, gouged, or hard. e. Adjust bumpers that do not compress when covers are locked open (see your -10). 52 Semi-annual Machine Mount Gun a. Check for loose or missing screws on machine gun mount. Tighten loose screws. Replace missing screws (WP 0457 00). Mount is cracked or broken. 0120 00-69