TM-9-2320-387-24 HMMWV Direct Support & General Support Maintenance Manual Volume 1 Download
Page 338 of 1205
TM 9-2320-387-24-l STARTER CIRCUIT KNOWN INFO CAN’T TURN ENGINE MANUALLY POSSIBLE PROBLEMS INTERNAL MECHANICAL PROBLEM HYDRAULIC LOCK KNOWN INFO HYDRAULIC LOCK REMOVED POSSIBLE PROBLEMS INTERNAL MECHANICAL PROBLEM KNOWN INFO ENGINE CAN ROTATE SMOOTHLY POSSIBLE PROBLEMS ENGINE REMOVE GLOW PLUGS AND TRY TURNING ENGINE WITH A BREAKER BAR. DOES IT TURN? DIAGNOSTIC FLOWCHART - OPTIONS NONE REASON FOR QUESTION If the engine is hydrostatically locked, removing the glow plugs will allow the fuel to flow out of the locked cylinder and the engine should turn. 1 TEST OPTIONS 1 1 NONE DOES THE ENGINE TURN SMOOTHLY AND WITHOUT ANY UNUSUAL NOISES? I REASON FOR QUESTION Excessive noise and jerky I REINSTALL GLOW PLUGS AND RERUNSTARTERSYSTEM TESTS (GO TO PAGE 2-247). IF ENGINE LOCKS AGAIN, NOTIFY DS MAINTENANCE (CHAPTER 14). 2-282