TM-9-2350-261-20-1 Unit Maintenance Manual Volume 1 M113A2 M577A2 M1064 M1068 M1059 M901A1 Download
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TM 9-2350-261-20-1 PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS), INCLUDING LUBRICATION INSTRUCTIONS — Continued 0120 00 ITEM NO. INTERVAL MAN- HOUR ITEM TO BE CHECKED OR SERVICED CREWMEMBER PROCEDURE EQUIPMENT NOT READY/ AVAILABLE IF: b. If outside temperature is less than 85 F (29 C), normal operating temperature should be 160 to 200 F (71 to 93 C). If outside air temperature is greater than 85 F (29 C), normal operating temperature should be 160 to 230 F (71 to 110 C). C A U T I O N Limit stall test to 30 seconds. Full throttle use with brakes locked overheats oil and will damage power plant. If you suspect a bad governor, do not perform stall check. Unless absolutely necessary, do NOT use stall check, use alternate test. c. Lock brakes, move range selector to range 2–3 and push accelerator all the way down. Tachometer reading of 1900 to 2100 RPM indicates power plant is operating correctly. Tachometer above 2100 RPM or below 1900 RPM. NOTE Extremely high ambient temperature and high altitude will reduce stall speed. d. Tachometer reading above 2000 RPM indicates transmission problems. Reading above 2450 RPM or below 2350 RPM. e. Tachometer reading below 1900 RPM indicates a faulty engine. Troubleshoot fuel system (WP 0013 00), or check for wrong tachometer adapter. If no fault can be found, notify direct support maintenance. 0120 00-25 º º º º º º º º º º º º