TM 5-3805-261-20ORGANIZATIONAL PREVENTIVE MAINTENANCE CHECKS AND SERVICES. (cont)LegendQ - QuarterlyB - BiannuallyS - SemiannuallyH - HoursA - AnnuallyMi - MilesITEM TO BE INSPECTEDPROCEDURE: CHECK FOR AND HAVE REPAIRED,INTERVALFILLED OR ADJUSTED AS NEEDED. PERFORMITEM NO.QSABHMIALL OPERATOR PMCS FIRST.2•2503•250FANASSEMBLYFan/alternator belts; check and adjust. Apply a 25 lbforce midway between the pulleys. Deflection should be1/2 in.BATTERYWARNINGNever disconnect any charging unitcircuit or battery circuit cable frombattery when the charging unit isoperating. A spark can cause anexplosion from the flammable vapormixture of hydrogen and oxygen thatis released from the electrolytethrough the battery outlets. Injury topersonnel may be the result.Clean top of batteries. Remove filler caps and checkelectrolyte level. Maintain electrolyte level to bottom offiller openings. Install filler caps.At the proper charge rate, the batteries will not requiremore than 1 ounce of water per cell per week.4-6
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