TM 9-2350-256-20CHAPTER 2: VEHICLE MAINTENANCE INSTRUCTIONSTABLE 2-1 PREVENTIVE MAINTENANCE CHECKS AND SERVICES FOR THE M88A1-ContinuedItemNO.492-32IntervalLocationItem ToCheck/ServiceBatteriesProcedureClean batteries, trays, supports, and retainers (seeparagraph 6-4).If supports, trays, and/or retainers are corroded, paintwith acid-resistant paint.NOTEBatteries are in good condition and serviceablewhen the following conditions are met:The specific gravity readings are between1.250 and 1.300 corrected to 80°F (27°C)(1.200 to 1.225 for batteries used in tropicalclimates).The specific gravity between individual cellsdoes not vary by more than 0.040.Test specific gravity of battery electrolyte. Specificgravity shall be a minimum of 1.225 under normaloperating conditionsand 1.180 under tropicalconditions (refer to TM 9-6140-200-14). If specificgravity is unsatisfactory, charge or replace batteries (seeparagraph 64).Specific Gravity-Cold ClimateSpecific Gravity (correctedElectrolyte Freezingto 80°F [27C°] )Temperature1.100+19°F (-7°C)1.150+5°F (-15°C)1.200-16°F (-27°C)1.250-62°F (-52°C)1.280-90°F (-68°C)Not FullyMissionCapable If:a.b.c .
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