TM 9-2350-287-20-1ITEMNo.202122TABLE 2-1. PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS) FOR M992A1S=SEMIANNUALA=ANNUALINTERVALAAAITEM TO BEINSPECTEDENGINEMOUNTBASEFUEL TANK ANDHEAT SHIELDTRANSMISSIONGEARCASEPROCEDUREInspect mount screw (27), enginemount base (28), and rear jaw forexcessive wear damage. Lubricateengine rear jaw mount screw (27) onengine mount base (28) with GMD(Appendix G).a. Inspect upper and lower fuel tankheat shields for damage, and looseor missing seals and fasteners(para 4-24).b. Inspect upper and lower fuel tanksfor damage and leaks.co Operate fuel pumps and listen forpump operation and check for leaks(para 2-19d (3), step J).NOTEDrain only if directed by Army OilAnalysis Program (AOAP). Thiswould be done while powerpack isremoved.a. Drain transmission gearcase (onlyafter operation) (Appendix G). Cleanand install drain plug.b. Refill transmission with OE/HDOto within OPERATING RANGE(Appendix G).Remove cover and fitter element, andinspect (Appendix G).NOT FULLY MISSIONCAPABLE IFRear mount base screwor jaw broken.a. Upper or lower heatshield missing. Anycracked/missing seal orfastener.b. Any fuel leak.c. Any fuel leak. Any pumpnot operating.a. Oil is milky or anyClass Ill leaks or AOAPrequested oil change.2-27
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