TM-9-2350-277-20-2 Unit Maintenance Manual Volume 2 M113A3 M577A3 M1064A3 M1068A3 M58 Download

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TM 9-2350-277-20-2 PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS), INCLUDING LUBRICATION INSTRUCTIONS — Continued 0155 00 ITEM NO. INTERVAL MAN- HOUR ITEM TO BE CHECKED OR SERVICED C R E W M E M B E R PROCEDURE EQUIPMENT NOT READY/ AVAILABLE IF: 93 Semi- Annual Gas Particulate Filter NOTE Refer to TM 3-6680-316-10 for use of the M39 tester. a. Slide spring clip away from slotted openings of precleaner (blower) assembly and set MASTER switch and NBC POWER switch to ON (blower must function). b. Remove calibrated orifice assembly from airflow tester (6650-00-436-4212) and zero magnetic gauge. c. Disconnect crew member hose (for station being tested) from container in 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. d. If reading is not within limits, note reading. See TM 3-6680-316-10. e. Connect crew member hose to vehicle connection. Set MASTER switch and NBC POWER switch to OFF and recover slotted holes in precleaner (blower) assembly with spring clip. NOTE Refer repair of particulate filter to direct maintenance personnel per TM 3-4240-276-30 and TM 3-4240-276-30P. 0155 00-137 Change 3