TM 9-2350-287-10Table 2-1. Preventive Maintenance Checks and Services for Model M992A1LocationItem IntervalCrewmemberNot Fully MissionNo.Item toProcedureCapable If:Check/Service58 Weekly APU Sound-proof PanelsNOTENo soundproof panel is required forforward wall.Open APU side door. Make suresoundproof panels are mountedsecurely.DRlVER59 Weekly APU EngineWARNINGAir FilterElementIf NBC exposure is suspected, allair filter media should be handledby personnel wearing protectiveequipment. Consult your unit NBCofficer or NBC NCO for appropriatehandling or disposal instructions.CAUTIONWhen assembling filter elementunit, make sure edge of covermarked TOP is positioned at topedge of canister.Loosen filter-cap clamp eyebolt.Remove filter cover. Remove filterwingnut and slide filter element fromcanister. Hold gasket end of filterelement to light source. If light isnot visible through element, servicethe element. Remove rubber bafflefrom inside of cover. Empty dust fromcover and wipe inside of cover witha clean damp cloth. Install baffle infilter cover. Reassemble filter unit.2-76Change 1
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