TB-9-2350-368-25 Powerplant Test Stand M113A2 M113A3 M548A1 M548A3 Download
Page 84 of 120
TB 9-2350-368-25 4-12 b) In outside temperature is less than 85°F (29°C), normal operating temperature should be 160° to 200°F (71° to 90°C). If outside air temperature is greater than 85°F (29°C), normal operating temperature should be 160° to 225°F (71° to 107°C). CAUTION Limit stall test to 30 seconds. Full throttle use with brakes locked overheats oil and will damage powerplant. 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 1 and push accelerator all the way down. NOTE Extremely high ambient temperature and high altitude will reduce stall speed. d) If carrier is equipped with an X200-4 transmission, tachometer readings above 2450 means transmission problems and readings below 2350 means engine problems. Troubleshoot suspect systems or check for wrong tachometer adapter. If fault cannot be found, notify direct support maintenance. e) If carrier is equipped with an X200-4A transmission, tachometer readings above 2300 means transmission problems and readings below 1900 means engine problems. Troubleshoot suspect systems or check for wrong tachometer adapter. If fault cannot be found, notify direct support maintenance. STOP 32. Pull stop lever to stop position. 33. Turn master switch to OFF position. REMOVE WARNING Hot oil, water, and engine parts can burn you. Let powerplant cool before you start work. 34. Remove turbocharger inlet shield from engine turbocharger inlet. 35. Remove clamp and elbow from engine turbocharger exhaust outlet. WARNING Hot radiator water can burn you. Use hand to remove cap only if cool to touch. Turn cap slowly to release pressure. Replace cap by pressing down and turning cap until tight. 36. Open and drain engine water drain cocks both right and left side. Open transmission oil cooler and radiator drain cocks. Use caution, hot water can burn you. Place a suitable container under drain cocks. 37. Remove two cotter pin and shoulder pin from brake stall tool and brake linkage rod.