TM 9-2350-256-10Section II. TROUBLESHOOTING PROCEDURES3-2.INTRODUCTION.a.This section contains information needed to locate and correct problems which may occur in the M88A1 MediumRecovery Vehicle. Troubleshooting is a step-by-step method of discovering trouble or inspecting for cause andcorrecting it. If a problem shows up that you cannot fix, is not listed, or is not within your level of repair, notify unitmaintenance.b.Always be alert for unusual noises. Check out any evidence of failure or malfunction. Inspect all systems orequipment that do not operate at peak performance. Discovering and correcting a problem when it first appearswill usually result in less serious damage to the vehicle and provide safer conditions for you and the crew.3-3.MALFUNCTION INDEX.The following index is provided to assist you in locating the correct troubleshootingprocedure quickly:MALFUNCTION INDEXTroubleshootingProcedure No.ENGINEEngine fails to crank or cranks slowly when START button is pushed ................................................................. 1Engine cranks, but fails to start ........................................................................................................................ 2Engine starts, but fails to keep running............................................................................................................. 3Engine stops while operating vehicle uphill during recoveryor going up a steep grade.......................................................................................................................... 4Engine will not return to idle............................................................................................................................. 5Engine runs roughly and misfires ..................................................................................................................... 6Engine lacks power......................................................................................................................................... 7Engine overheats............................................................................................................................................ 8STARTING SYSTEMNo sound from starter when main engine START button is pushed .................................................................... 9Starter operates slowly, but does not start engine ........................................................................................... 10Lights dim or ventilating blower motor slows down with engine off .................................................................... 11Low oil pressure............................................................................................................................................ 12Excessive oil being used ............................................................................................................................... 13No oil pressure ............................................................................................................................................. 14Engine oil temperature exceeds 240 Fahrenheit (F) (115 Celsius [C])............................................................ 153-3
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