TM 5-3805-260-24ENGINE TEST PROCEDUREINITIAL OPERATION AFTER ENGINERECONDITIONINGThe quality of oil control components used in Caterpillar engines is such that, following enginereconditioning (with Caterpillar Service Parts), only aninitial operational check is necessary before continuedoperation in normal service.The purpose of this initial operational check is to:insure that the engine has been assembled properly;determine if proper pressures and temperatures aremaintained in the lubrication, cooling and fuel systems;correct any leaks; perform necessary adjustments (suchas valve clearance, governor high and low idle speeds,etc.); check the power setting of the engine.To provide a safe, uniform initial operational check,the following procedure is recommended:1. Motor engine at cranking speed until oil pressure isobserved.2. Operate engine for 10 minutes at low idle.3. Operate engine for 15 minutes at half-load and ¾rated speed.4. Operate engine for 30 minutes at rated load andspeed.3-394
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