TM 9-2330-390-14&PTable 4-1. Unit Preventive Maintenance Checks and Services (PMCS) (Con’t).ternNo.IntervalLocationItem ToCheck/ServiceProcedureNot Fully MissionCapable If:15AnnuallyCylinderCowlingand SpiralCaseCompressed air used for cleaningor drying purposes, or for clear-ing restrictions, should never ex-ceed 30 psi (207 kPa). Wear pro-tective clothing (goggles/shield,gloves, etc.) and use caution toavoid injury to personnel.Remove cylinder cowling and spiralcase. Use compressed air to removeall sand, dirt, or other debris from cyl-inder fins and flywheel assembly. In-stall cylinder cowling and spiral case(see paragraph 4-128).16AnnuallyEngine AirCleanerElementIf NBC exposure iS suspected, allengine air cleaner air filter mediashould be handled by personnelwearing protective equipment.Consult your NBC Officer or NBCNCO for appropriate handling ordisposal procedures.Replace air cleaner element (seeparagraph 4-123).4-24
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