TM 10-3930-675-20-20050 00-1PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS)0050 00Table 1. Preventive Maintenance Checks and Services(PMCS) for the RT 240 RTCH.ItemNo.IntervalMan-HoursItem ToCheck/ServiceProcedureEquipment Not Ready/Available If:WARNINGPerform all lubrication and preventive maintenance checks and ser-vices with vehicle on level ground, transmission in N (Neutral),parking brake applied, and engine off. Failure to follow this warningmay result in personnel injury.NOTE•Lubrication intervals as indicated in LO 10-3930-675-12 takeprecedence over intervals indicated in this PMCS. For furtherinformation and final authority, refer to LO 10-3930-675-12.•After initial 100 hours of operation, Organizational Maintenancemust perform 100-hour initial break-in services as indicated inLO 10-3930-675-12. Organizational Maintenance shall alsocheque torque of wheel nuts [497 lb-ft (650 Nm)] and torque ofboom wear plate mounting hardware (WP 0139 00).•Engine oil and transmission oil must be sampled every 50 hoursof operation or 90 days, whichever occurs first, as prescribed byDA Pam 738-750. Hydraulic system oil must be sampled annu-ally. Exceptions are noted in LO 10-3930-675-12.•Do NOT sample engine and transmission oil until 50 hours after100-hour initial break-in services.1Quarterly(50 Hours or 90 Days)Engine AOAP Oil Sampling ValveOpen remote hydraulic control com-partment and take sample of engine oil:a. Start engine and bring to operatingtemperature (TM 10-3930-675-10).b. Remove cap from discharge port.Clean sampling valve port with rag.c. Open and close knob of valve suffi-ciently to allow approximately 2 oz(60 ml) of oil to be collected intosuitable container. Discard oil.d. Open and close knob of valve toallow sample to be collected intoclean sample bottle to approxi-mately 1/2 in (1.3 cm) below neck ofsample bottle.e. Install cap on discharge port andcheck for leaks.
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