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ARMY TM 9-2815-256-24 AIR FORCE TO 38G1-96-2 MARINE CORPS TM 2815-24/5 Section II.  TROUBLESHOOTING 3-2.  TROUBLESHOOTING PROCEDURES. 3-2.1.  Purpose of Troubleshooting Table. This section contains troubleshooting information for locating and correcting operating troubles which may develop in the engine.  Each malfunction for an individual component, unit, or system is followed by a list of tests or inspections which will  help  you  to  determine  probable  causes  and  corrective  action  to  take.    You  should  perform  tests/inspections  and corrective actions in order listed. This table cannot list all malfunctions that can occur, nor all tests or inspections and corrective actions.  If a malfunction is not listed or cannot be corrected by listed corrective actions, notify your supervisor. NOTE Before   you   use   this   table,   be   sure   you   have   performed   your   PMCS.      Prior   to   performing troubleshooting procedures within this manual, perform your operator's troubleshooting and the end item maintenance manual troubleshooting SYMPTOM INDEX Troubleshooting Malfunction Procedures Page Engine Will Not Crank 3-4 Starter Operates But Engine Does Not Turn Over 3-5 Engine Hard To Start Or Will Not Start 3-5 Engine Hard To Start Or Will Not Start In Cold Weather. 3-7 Engine Misfires Or Runs Irregularly Or Stalls Frequently 3-7 Engine Does Not Develop Full Power 3-9 Engine Overheating 3-9 Excessive Oil Consumption 3-10 Low Oil Pressure 3-11 Excessive Fuel Consumption 3-13 Black or Gray Smoke 3-14 Blue Exhaust Smoke 3-15 Engine Knocks 3-16 Engine Makes Abnormal Noise 3-17 Engine Makes a Gas Leaking Noise 3-19 Detonation or Pre-Ignition 3-20 Battery Charge Ammeter Shows No Charge When Batteries Are Low 3-20 Battery Charge Ammeter Shows Excessive Charging After Prolonged Period 3-21 3-2


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