CHAPTER 2: VEHICLE MAINTENANCE INSTRUCTIONSTM 9-2350-256-20TABLE 2-1. PREVENTIVE MAINTENANCE CHECKS AND SERVICES FOR THE M88A1--ContinuedLocationItem ToNot FullyItemCheck/MissionNo.IntervalServiceProcedureCapable If:26-SOilb. Clean dirty fins with low pressure air. Inspect oil coolerCont.Coolers-lines for holes, rips, and tears. Replace oil cooler linesCont.as necessary in accordance with paragraph 5-7.Sc. Inspect oil cooler screens for clogs or holes.27SCoolingCheck engine cooling fans for proper alinement andFanFansdamage (see paragraph 5-2).damaged orimproperlyalined28SManifolda. Replace manifold heater fuel filter (see paragraph 4-18).HeaterSb. Inspect and service manifold heater spark plug.(1) Clean electrodes.(2) Wipe insulator clean of accumulated grease anddirt.Sc. Shut off engine before it reaches operating temperatureand do the following:WARNINGBe careful when feeling engine. Engine partscan be hot enough to cause bums.(1) Using extreme caution, run hand along each intakemanifold to check for heat generated by manifoldheaters.(2) If heaters are operative, heat will be felt.29SMain EngineReplace main engine oil filters (see paragraph 3-5).Oil Filters30SMain EngineClean main engine air cleaner (refer to TM 9-2350-256-10).Air Cleaner(1) Be sure that all joints, seals, and connections aretight and not leaking.(2) Inspect air intake hoses for tears and deterioration.Hoses aredamaged2-24
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