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TM 9-2815-225-34&P 3-91.  STARTING REPAIRED ENGINE THIS TASK COVERS: a.  Installation of Engine on Dynamometer d.  Priming Lubricating System b.  Priming Cooling System e.  Prerun Startup c.  Priming Fuel System INITIAL SETUP: APPLICABLE MODELS TROUBLESHOOTING REFERENCES All Para. 2-8 SPECIAL TOOLS EQUIPMENT CONDITION None    Throttle linkage disconnected (TM 9-2320-273-20 or TM 9-2320-283-20). TEST EQUIPMENT    Cooling system drainplugs and drainvalves closed Dynamometer test stand (15434) 3375710 (TM 9-2320-273-20 or TM 9-2320-283-20).    Starter electrical leads connected MATERIALS/PARTS (TM 9-2320-273-20 or TM 9-2320-283-20). Antifreeze, permanent ethylene gylcol –60°F (-51.1°C) inhibited (Appendix C, Item 3) SPECIAL ENVIRONMENTAL CONDITIONS Oil, lubricating, OE/HDO 30 None (Appendix C, Item 21) Oil, fuel, diesel, regular (Appendix C, Item 19) GENERAL SAFETY INSTRUCTIONS    Allow adequate ventilation for engine exhaust PERSONNEL REQUIRED gases. Automotive repairman MOS 63H    Diesel fuel is flammable. REFERENCES (TM) LO 9-2320-273-12 TM 9-2320-273-20 LO 9-2320-283-12 TM 9-2320-283-20 LOCATION/ITEM ACTION REMARKS a.  Installation of Engine on Dynamometer NOTE Engine break-in will take place during dynamometer testing.  Break-in on a new or rebuilt engine  provides  a  short  running  period  where  moving  parts  acquire  their  final  finish  and mating  surfaces  reach  a  full  seat.    Engine  dynamometer  testing  helps  to  find  assembly errors,  determine  where  adjustments  are  necessary  after  engine  break-in,  and  test-runs engine long enough so final adjustments can be made. 1.   Engine assembly (1) a.  Secure to suitable dynamom- Check dynamometer capacity. eter test stand (4). Ensure capacity is enough to per- mit testing at 96 percent of maxi- mum engine horsepower. Dynamometer must be accurately calibrated. b.  Connect all instruments on control panel of dynamometer test stand. 2.   Engine flexplate or flywheel, Connect. Check for proper alignment per ring gear assembly (2) and dynamometer manufacturer's dynamometer drive shaft instructions. flange (3) 3-674


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