TM 5-2420-230-24-2
B3.9 and B5.9 Series Engines
Section TS - Troubleshooting Symptoms
Page TS-a
Section TS - Troubleshooting Symptoms
Section Contents
Page
Troubleshooting Procedures and Techniques .............................................................................................. TS-1
Troubleshooting Symptoms Charts............................................................................................................... TS-2
Air Compressor Air Pressure Rises Slowly .................................................................................................. TS-3
Air Compressor Cycles Frequently .............................................................................................................. TS-4
Air Compressor Noise is Excessive ............................................................................................................. TS-5
Air Compressor Pumping Excess Lubricating Oil into the Air System .......................................................... TS-7
Air Compressor Will Not Maintain Adequate Air Pressure (Not Pumping Continuously)................................ TS-9
Air Compressor Will Not Pump Air............................................................................................................. TS-10
Air Compressor Will Not Stop Pumping ..................................................................................................... TS-11
Alternator Not Charging or Insufficient Charging ....................................................................................... TS-12
Alternator Overcharging ............................................................................................................................ TS-13
Coolant Contamination .............................................................................................................................. TS-14
Coolant in the Lubricating Oil .................................................................................................................... TS-23
Coolant Loss ............................................................................................................................................. TS-15
Coolant Temperature Above Normal Gradual Overheat ........................................................................... TS-17
Coolant Temperature is Above Normal Sudden Overheat........................................................................ TS-20
Coolant Temperature is Below Normal ....................................................................................................... TS-22
Crankcase Gases (Blowby) Excessive ....................................................................................................... TS-24
Engine Acceleration or Response Poor...................................................................................................... TS-25
Engine Difficult to Start or Will Not Start (Exhaust Smoke) ........................................................................ TS-29
Engine Difficult to Start or Will Not Start (No Exhaust Smoke)................................................................... TS-32
Engine Noise Excessive ............................................................................................................................ TS-34
Engine Noise Excessive -- Combustion Knocks........................................................................................ TS-37
Engine Noise Excessive -- Connecting Rod ............................................................................................. TS-38
Engine Noise Excessive -- Main Bearing .................................................................................................. TS-39
Engine Noise Excessive -- Piston ............................................................................................................. TS-40
Engine Noise Excessive -- Turbocharger .................................................................................................. TS-41
Engine Power Output Low ......................................................................................................................... TS-42
Engine Runs Rough at Idle ....................................................................................................................... TS-46
Engine Runs Rough or Misfires................................................................................................................. TS-48
Engine Speed Surges at Low or High Idle ................................................................................................. TS-50
Engine Starts But Will Not Keep Running.................................................................................................. TS-52
Engine Vibration Excessive ....................................................................................................................... TS-54
Engine Will Not Crank or Cranks Slowly .................................................................................................... TS-56
Engine Will Not Reach High Idle ............................................................................................................... TS-58
Engine Will Not Shut Off ........................................................................................................................... TS-60
Excessive Noise ........................................................................................................................................ TS-61
Fuel Consumption Excessive..................................................................................................................... TS-62
Fuel in the Lubricating Oil ......................................................................................................................... TS-65
Fuel Knock................................................................................................................................................ TS-64
Fuel or Lubricating Oil Leaking From Exhaust Manifold............................................................................. TS-66
Lubricating Oil Consumption Excessive ..................................................................................................... TS-67
Lubricating Oil Contaminated .................................................................................................................... TS-68
Lubricating Oil Pressure High.................................................................................................................... TS-69
Lubricating Oil Pressure Low ..................................................................................................................... TS-70
Lubricating Oil Sludge in the Crankcase Excessive ................................................................................... TS-72
Lubricating Oil Temperature Above Specification ....................................................................................... TS-73
Lubricating or Transmission Oil in the Coolant........................................................................................... TS-74
Smoke, Black -- Excessive ....................................................................................................................... TS-75
Smoke, White -- Excessive ....................................................................................................................... TS-77
L-583
