TM 9-2350-277-20-2 PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS), INCLUDING LUBRICATION INSTRUCTIONS — Continued 0155 00 Table 18. Semi-Annual Unit Level Preventive Maintenance Checks and Services for M113A3 FOV ITEM NO. INTERVAL MAN- HOUR ITEM TO BE CHECKED OR SERVICED CREWMEMBER PROCEDURE EQUIPMENT NOT READY/ AVAILABLE IF: 1 Semi- Annual Road Test CAUTION Do not allow engine to operate for prolonged periods if outside air temperature is less than 85 F (29 C) and gauge is above 200 F (93 C) or outside air temperature is above 85 F (29 C) and gauge is above 225 F (100 C). Serious damage to engine may result. NOTE Be sure that all operator level PMCS in your -10 have been completed prior to performing this PMCS. Any non-mission capable faults must be corrected prior to road test. NOTE Check instruments, gauges, and warning lights for normal indications as outlined in your -10. NOTE All operator recorded problems should be reviewed prior to road test. NOTE When conditions prevent a road test, perform engine idle test (Step 3a. ), governed no load test (Step 4a. ), and stall check (Step 5a. ). a.  Start engine (see your -10). Perform a road test. Drive carrier atleast 5 miles (8 km). Any Class III leak or damage that would prevent operation of the carrier. a Semi- Annual Left and Right Steering CAUTION Power plant can be damaged. Do not pivot steer when carrier is moving except in a track failure emergency. 0155 00-33