CHAPTER 2: VEHICLE MAINTENANCE INSTRUCTIONS TM 9-2350-256-20TABLE 2-1. PREVENTIVE MAINTENANCE CHECKS AND SERVICES FOR THE M88A1-ContinuedItemNo.IntervalLocationItem ToCheck/ServiceProcedureNot FullyMissionCapable If:42-Stall Test-(4) If the engine speed exceeds 1950 rpm, there is aCont.Cont.clutch slippage in the transmission. Check theshifting control linkage adjustment (see paragraph 9-76).43SAccelerationTest for normal acceleration and pulling power in eachUnder 1875and Pullingtransmission range.rpm or overPower Test2640While testing in low range, accelerate with wide-openthrottle from low speed to top speed. Governed speedunder load should reach 1875 rpm, but not exceed 2640rpm. If below 1875 rpm or over 2640, notify DirectSupport Maintenance.44MainWARNINGHydraulicSystemDo not attempt to loosen or tightenhydraulic fittings or lines when system ispressurized. Be sure that boom and spadeare in stored positions before doing anymaintenance on hydraulic system.Dry-cleaning solvent used to clean parts ispotentially dangerous to personnel andproperty. do not use near open flame orexcessive heat. Flashpoint of solvent is 138°F(590C).Particles blown by compressed air can bedangerous. Be certain to direct airstreamaway form user and other personnel in thearea. Compressed air used for cleaning willnot exceed 30 psi (207 kPa). Use only witheffective chip-guarding and personnelprotective equipment (goggles/shield andgloves).Sa. Service hydraulic reservoir oil filter (see paragraph12-5).Sb. Inspect hydraulic lines and fittings for leaks, damageClass III leakand deterioration.presentSc. Operate system and check for unusual noises or otherdefects.2-30
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