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: WARNING Failure to set parking brake and block road wheels can allow carrier to move and could result in injury or death. Always set parking brake and block road wheels before working on carrier. a. Immediately after road test cautiously feel all wheel and idler hub for noticeable difference in temperature between hubs. An overheated hub indicates that bearing is out of adjustment, poorly lubricated, or damaged. Any Class III leaks, cold shocks, or bad bearings. b. Check temperature of shock absorbers. Shock absorbers should be warm. A cold shock absorber is faulty. c. Visually check inside and outside of carrier for fuel, oil, or hydraulic leaks. 3 Semi- Annual Idle Test C A U T I O N Avoid lengthy engine idling. This causes coolant temperature to drop below operating temperature and can shorten engine life. a. Run engine at 800 rpm for 3-5 minutes with range selector in 2 to 3 range and brakes locked until normal operating temperature is reached. Engine runs hot or rough. 0128 00-22 Change 1