Table 16. Semi-Annual Unit Level Preventive Maintenance Checks and Services for M548A1 and M548A3 CONT.

Table 16. Semi-Annual Unit Level Preventive Maintenance Checks and Services for M548A1 and M548A3 CONT. - TM-9-2350-247-20-1_611

Table 16. Semi-Annual Unit Level Preventive Maintenance Checks and Services for M548A1 and M548A3 CONT. - TM-9-2350-247-20-1_613

TM-9-2350-247-20-1 Crane (CAB) Components Recovery Vehicle Full Tracked: light Armored M578 (2360-00-439-6242) (EIC:3LA) Manual
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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: 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 CAUTION 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. b. If outside temperature is less than 85 degrees F (29 degrees C), normal operating temperature should be 160 degrees F to 200 degrees F (71 degrees to 93 degrees C). If outside air temperature is greater than 85 degrees F (29 degrees C), normal operating temperature should be 160 degrees to 225 degrees F (71 degrees to 107 degrees C). c. With range selector in N (M548A1) or SL (M548A3), engine should idle smoothly at 650 to 700 rpm. d. High or low engine idle speed is usually caused by accelerator linkage being out of adjustment. Adjust linkage if necessary (WP 0197 00 or WP 0200 00). e. Rough idling is usually caused by faulty injector timing and rack setting, faulty injectors or air in the injection system. Notify your supervisor. 0128 00-22

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