TM 5-4320-300-14Table 4-1. Organizational Preventive Maintenance Checks and Services - ContinuedW - WeeklyQ- QuarterlyM - MonthlyS- SemiannuallyIntervalItemItemTo BeNo. W M Q SInspected ProceduresAdjust fan drive beltsby loosening four boltson the pulley bracket.Slide pulley bracket upto tighten drive belts.Tighten the four boltsafter adjusting drivebelts.Recheck drive belt tension.2•AlternatorAssemblyWARNINGSevere injury may result from contact withrotating engine cooling or alternator fan. Shutoff the engine when it is necessary to inspectalternator.CAUTIONNever disconnect battery while alternator isoperating.Disconnect battery cable from negative (-)battery post before disconnecting any otherleads from engine components. This pre-caution will prevent short circuits which coulddamage alternator, voltage regulator, or otherparts.Do not reverse the battery connections. Re-versing connections will damage the alternator.4-10
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