TM 9-2350-267-10Table 2-1. Preventive Maintenance Checks and Services for Model M992ItemNo.4041IntervalWeeklyWeeklyLocationItem toCheck/ServiceChemicalAgent De-tector UnitNBC Sys-tem AirPurifierCrewmemberProcedureDRIVERWARNINGNBC contaminated filtersmust be handled usingadequateprecautions(FM 21-40) and must bedisposed of by trainedpersonnel.Service detector unit. Replacereservoir fluid, change air filteronlyas needed.PerformPMCS IAW TM 3-666-225-12.Remove air inlet cover. WithMASTER switch ON, turnVFPS power switch ON.Check motor for smooth opera-tion. Check air outlets for airflow. Inspect filter assembly fordents, cracks, secure mountingor missing parts.Not Fully MissionCapable If:2-62
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