TM 5-3820-205-10-2CAUTIONDO NOT CRANK THE ENGINE FORMORE THAN 30 SECONDS AT ATIME. ALLOW TWO MINUTESBETWEEN ATTEMPTS IF ENGINEFAILS TO START(1)Disengage the clutch and move thethrottle knob to idle position (clockwise).(2)Turn ignition switch (key switch) to the ONposition (clockwise).(3)Hold start-run switch in the START (up)position while pressing starter button withthe other hand. Immediately release thestarter button when the engine starts.(4)Continue to hold start-run switch in theSTART position until oil pressure gagereads above 15 psi, then release switch.Engine should remain running. If not,repeat steps 1-4.CAUTIONDO NOT RUN THE ENGINE AT CURSIDLE (625 RPM) FOR MORE THANTEN MINUTES OR ENGINE MAY BEDAMAGED.(5)Adjust throttle knob by turningcounterclockwise untilrpm reads 1000. Allow engine to run (3-5 minutes) untiltemperature gage reads above 140°Fbefore applying load.(6)Observe all instruments and gages forproper operating ranges.NORMAL READINGS ON GAGESEngine Coolant Temperature 175°F-195°FOil Pressure Above 35 psiOil Temperature 220°F-250°FVoltmeter24-28 Volts(7)After warm-up, engage clutch and adjustthrottle up to the operational speed asmarked on the tachometer by paint ortape. The engine rpm should be above1350 rpm, and not more than 1750 rpm.TA50794226Figure 30. Starting the engine.
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