TM 9-2350-277-20-2PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS), INCLUDINGLUBRICATION INSTRUCTIONS — Continued0155 00ITEMNO.INTERVALMAN-HOURITEM TO BECHECKED ORSERVICEDCREWMEMBERPROCEDUREEQUIPMENTNOT READY/AVAILABLEIF:93Semi-AnnualGas ParticulateFilterNOTERefer to TM 3-6680-316-10 for use of theM39 tester.a. Slide spring clip away from slotted openings ofprecleaner (blower) assembly and set VEHICLEBAT switch and VFM POWER switch to ON(blower must function).b. Remove calibrated orifice assembly fromairflow tester (6650-00-436-4212) and zeromagnetic gauge.c. Disconnect crew member nose (for station beingtested) from container in vehicle and attachconnector to calibrated orifice assemblyconnector of airflow tester.NOTEAn acceptable gauge reading is between2.6 and 4.3 inches of water.d. If reading is not within limits, note reading. SeeTM 3-6680-316-10.e. Connect crew member hose to vehicleconnection. Set VEHICLE BAT switch andVHF POWER switch to OFF and recover slottedholes in precleaner (blower) assembly withspring clip.NOTERefer repair of particulate filter to directmaintenance personnel perTM 3-4240-276-30 andTM 3-4240-276-30P.0155 00-147
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