ItemNo.9899TM 9-2350-261-20-1Table 2-1. Unit Level Preventive Maintenance Checks and Services for M113A2 FOVIntervalSemi-AnnualSemi-AnnualItem ToBeInspectedEngineCoolantHeaterK itContinuedLitter KitProcedureStart, run and stop heater (see your-10). During start cycle, check thatswitches and lights work properly.During operation, check for unusualnoises. Check for increase in coolanttemperature.When stopping heater, check for cor-rect purge cycle. Check that indicatorlight operates properly. If heater doesnot operate as specified above, per-form troubleshooting (page 3-217).NOTEThe carrier is not consideredNMC for an unserviceable litterkit. If litter kit hardware is un-serviceable, the kit should be re-moved to prevent use.Performpreventivemaintenancechecks and services every 750 miles(1207 km), 75 hours, semi-annually orwhichever comes first.Check hanger.Replace hanger ifcracked or if threads are stripped.Check three repair links.cracked links.Check chain. Replace chainare broken.Check two litter straps.Replaceif linksReplacestraps if torn or if buckles are dam-aged.Not MissionCapable If:Any faults thatwould preventproper opera-tion.Change 3 2-125
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