TM-9-2350-247-20-1 Unit Maintenance Manual Volume 1 M548A1 M548A3 Tracked Cargo Carrier Download
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TM 9-2350-247-20-1 PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS), INCLUDING LUBRICATION INSTRUCTIONS — Continued 0128 00 ITEM NO. INTERVAL MAN- HOUR ITEM TO BE CHECKED OR SERVICED CREWMEMBER PROCEDURE EQUIPMENT NOT READY/ AVAILABLE IF: 67 Semi- Annual (M548A3) Switches and Indicators a. Check for and tighten loose electrical connections and mountings. Replace broken indicator lights (WP 0264 00). Check indicator lights for normal operation. 68 Semi- Annual (M548A3) Hoses and Clamps a. Check hoses for cracks and breaks. Replace cracked or broken hoses. check for leaks. Tighten hose clamps. Replace as required(WP 0537 00). 69 Semi- Annual (M548A3) Quick Disconnect Coupling a. Check quick disconnect coupling for proper fit on protective mask and orifice connector assembly. Replace any defective coupling (WP 0538 00). 70 Semi- Annual (M548A3) Orifice Connector Assembly a. Check valve and general condition of orifice connector. Replace valve or orifice connector as required (WP 0538 00). 71 Semi- Annual (M548A3) Air Flow (3.0-4.5 cfm) (.08-.13 cum) NOTE Air flow should be 3.0-4.5 cfm (.08-.13 cum) (cubic feet/meter per minute) a. Check each station using M39 air flow tester TM 3-6680-316-10. 72 Semi- Annual (M548A3) ID Plate a. Replace identification plate if not legible (WP 0440 00). 73 Semi- Annual (M548A3) Paint a. Paint surface to prevent rust or corrosion TB 43-0209. 0128 00-98 Change 1