PREVENTIVE MAINTENANCE CHECKS AND SERVICES - cont

TABLE 2-1. PREVENTIVE MAINTENANCE CHECKS AND SERVICES

PREVENTIVE MAINTENANCE CHECKS AND SERVICES - cont - TM-9-2350-287-20-1_70

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 lTEM N0. 3 TABLE 2-1. PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS) FOR M992A1 S=SEMIANNUAL A=ANNUAL lNTERVAL S ITEM TO BE INSPECTED FUEL SYSTEM (continued) FUEL FILLER ENGINE FAN DRIVE SYSTEM PROCEDURE b. Check all connections for evidence of leaks. Remove and inspect fuel fill access pIate, fill cap, and strainer (para 4-21). Replace strainer if badly clogged or torn. Perform backlash test as follows: a. Disconnect both battery ground cables (para 7-41). b. Open air intake grille (refer to TM 9-2350-287-10). c. Mark any accessible blade (2). d. While holding the opposite fan impeller, rotate marked blade (2) as far left as possible. Mark fan housing (1) directly above marked blade (2). e. While holding the opposite fan impeller, rotate marked blade (2) as far right as possible. Mark fan housing (1) directly above marked blade (2). f. Measure the distance between # marks on fan housing (1). If distances over one inch (2.5 cm), backlash is excessive; notify Direct Support maintenance. NOT FULLY MISSION CAPABLE IF b. Any leaks. Any missing screws or the rubber seal is cracked, torn, or missing. Clogged or torn strainer. f. Backlash is over one inch (2.5 cm). 2-17

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