TM 9-2350-261-10Table 2-1. Preventive Maintenance Checks and Services for Model M113A2 FOVternNo.66IntervalWeeklyLocationItem toCheck/ServiceBatteriesContinuedCrewmemberProcedurea. Check condition of batter-ies and electrolyte level.Remove caps. Make sure elec-trolyte is filled to the level/splitring in the battery filler opening(vent). Add distilled water asneeded. If fluid is gassing (boil-ing) notify organizational main-tenance.b. Check that vent holes incaps are clear before rein-stalling caps.c. Check battery casings fordamage.Not Fully MissionCapable If:Batteries unusable.Obvious visual dam-age to battery, termi-nals, battery casings,posts or retainers.Loose or broken ca-ble or terminal.Any battery retainermissing.d. Make sure cables and ter-minals are clean and tighton posts.2-130 Change 2
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