TM 5-4310-451-144-154-1 4.TROUBLESHOOTING SYMPTOM INDEX.TroubleshootingProcedurePageELECTRICAL TROUBLESHOOTINGAmmeter Indicates:Constant "Charge" Condition With Engine Idling .........................................................................4-15No/Low "Charge" Condition With Engine Idling............................................................................4-15Engine:Cranks Slowly...............................................................................................................................4-14Will Not Crank ..............................................................................................................................4-14MECHANICAL TROUBLESHOOTINGAIR COMPRESSORAir Discharge Pressure Too Low ........................................................................................................4-11Blowdown Valve Operates Erratically.................................................................................................4-10Excessive:Oil:In Discharge Line ...................................................................................................................4-11Consumption ................................................................................................................................4-11Vibration .......................................................................................................................................4-12Improper Loading................................................................................................................................4-11Overheats4-13Safety Relief Valve Opening ...............................................................................................................4-12Shuts Down With Air Demand Present...............................................................................................4-13Start Pressure Too High .....................................................................................................................4-12Unit Will Not Unload............................................................................................................................4-11BRAKESHandbrake Will Not Hold Air Compressor Unit ...................................................................................4-9ENGINEOverheats........................................................................................................................................4-9Turns Off Prematurely ........................................................................................................................4-9Turns Over, But Will Not Start ............................................................................................................4-9Will Not:Run Down At Correct Speed ........................................................................................................4-9Start, But Turns Over ...................................................................................................................4-9SUSPENSIONAir Compressor Unit:Leans To One Side ......................................................................................................................4-10Pulls To One Side ........................................................................................................................4-10TIRESAbnormal Wear ...................................................................................................................................4-10Wheels:Noisy........................................................................................................................................4-10Wobbly ........................................................................................................................................4-104-8
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