PREVENTIVE MAINTENANCE CHECKS AND SERVICES - cont

PREVENTIVE MAINTENANCE CHECKS AND SERVICES - cont - TM-9-2350-287-20-1_81

PREVENTIVE MAINTENANCE CHECKS AND SERVICES - cont - TM-9-2350-287-20-1_83

TM-9-2350-287-20-1 Carrier Ammunition Tracked M992A21 (2350-01-352-3021) EIC:AE6 Manual
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TM 9-2350-287-20-1 TABLE 2-1. PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS) FOR M992A1 ITEM NO. 28 29 INTERVAL A A S=SEMIANNUAL A=ANNUAL ITEM TO BE INSPECTED TOP DOORS middle door (para 15-22). COMMANDER’S CUPOLA PROCEDURE a. Check operation and fit of all three top doors (33) (refer to TM 9-2350- 287-10). b. Inspect doors for loose, damaged, or deteriorated door seals (para 15-17 15-18, 15-19, and 15-22). c. Check inside latch operation of top d. Inspect hinge operation. Check for cracked hinges, latches, and attaching bolts (para 15-22). e. Check spring assist of torsion bars by opening and closing top middle door (para 15-22). f. Repair or replace defective components as necessary. a. Rotate cupola to ensure ease of rotation (refer to TM 9-2350-287-10). b. Operate cupola hatch latches and make sure hatch locks in both open and closed positions (refer to TM 9-2350- 287-10). c. Check seals for tears and deterioration (para 15-46). d. Repair or replace defective com- ponents as necessary. NOT FULLY MISSION CAPABLE IF b. Commander’s cupola will not lock in open and closed positions. 2-30

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