TM-9-2350-261-20-1 Unit Maintenance Manual Volume 1 M113A2 M577A2 M1064 M1068 M1059 M901A1 Download
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TM 9-2350-261-20-1 PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS), INCLUDING LUBRICATION INSTRUCTIONS — Continued 0120 00 ITEM NO. INTERVAL MAN- HOUR ITEM TO BE CHECKED OR SERVICED CREWMEMBER PROCEDURE EQUIPMENT NOT READY/ AVAILABLE IF: 104 Semi-annual Gas Particulate Filter NOTE Refer to TM 3-6680-316-10 for use of the M39 tester. Refer repair of particulate filter to direct maintenance personnel as per TM 3-4240-276-30&P. a. Slide spring clip away from slotted openings of precleaner (blower) assembly and vehicle MASTER SWITCH and NBC POWER SWITCH to ON (blower must function) (all except M981). b. Slide spring clip away from slotted openings of precleaner (blower) assembly and set VEHICLE BAT SWITCH and VFM POWER SWITCH to ON (blower must function) (M981 only). c. Remove calibrated orifice assembly from airflow tester (6650-00-436-4212) and zero magnetic gauge. d. Disconnect crew member nose (for station being tested) from container in M981 vehicle and attach connector to calibrated orifice assembly connector of airflow tester. NOTE An acceptable gauge reading is between 2.6 and 4.3 inches of water. e. If reading is not within limits, note reading. See TM 3-6680-316-10. f. Connect crew member hose to vehicle connection. Set VEHICLE BAT SWITCH and VHF POWER SWITCH to OFF and recover slotted holes in precleaner (blower) assembly with spring clip (M981 only). 0120 00-126