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 CREWMEMBER PROCEDURE EQUIPMENT NOT READY/ AVAILABLE IF: 2 Semi- Annual After Road Test WARNING Failure to set the parking brake and block the road wheel can allow the carrier to move and result in injury or death. Always engage the parking brake and block the road wheels before working on the carrier. CAUTION Stall check damages the carrier’s transmission. Always check the carrier with a road test unless conditions absolutely prevent it. 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 unserviceable. A hub that is out of adjustment, poorly lubricated or unserviceable. b.  Check temperature of shock absorbers. They should feel warm. A cold shock has failed. Any Class III leaks or cold shocks. c.  Visually check inside, outside, and underneath 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 2-3 range and brakes locked until operating temperature is reached. Engine runs hot or rough. 0155 00-35