TM 5-4310-451-14
4-15
4-1 4.TROUBLESHOOTING SYMPTOM INDEX.
Troubleshooting
Procedure
Page
ELECTRICAL TROUBLESHOOTING
Ammeter Indicates:
Constant "Charge" Condition With Engine Idling .........................................................................
4-15
No/Low "Charge" Condition With Engine Idling............................................................................
4-15
Engine:
Cranks Slowly...............................................................................................................................
4-14
Will Not Crank ..............................................................................................................................
4-14
MECHANICAL TROUBLESHOOTING
AIR COMPRESSOR
Air Discharge Pressure Too Low ........................................................................................................
4-11
Blowdown Valve Operates Erratically.................................................................................................
4-10
Excessive:
Oil:
In Discharge Line ...................................................................................................................
4-11
Consumption ................................................................................................................................
4-11
Vibration .......................................................................................................................................
4-12
Improper Loading................................................................................................................................
4-11
Overheats
4-13
Safety Relief Valve Opening ...............................................................................................................
4-12
Shuts Down With Air Demand Present...............................................................................................
4-13
Start Pressure Too High .....................................................................................................................
4-12
Unit Will Not Unload............................................................................................................................
4-11
BRAKES
Handbrake Will Not Hold Air Compressor Unit ...................................................................................
4-9
ENGINE
Overheats
........................................................................................................................................
4-9
Turns Off Prematurely ........................................................................................................................
4-9
Turns Over, But Will Not Start ............................................................................................................
4-9
Will Not:
Run Down At Correct Speed ........................................................................................................
4-9
Start, But Turns Over ...................................................................................................................
4-9
SUSPENSION
Air Compressor Unit:
Leans To One Side ......................................................................................................................
4-10
Pulls To One Side ........................................................................................................................
4-10
TIRES
Abnormal Wear ...................................................................................................................................
4-10
Wheels:
Noisy
........................................................................................................................................
4-10
Wobbly ........................................................................................................................................
4-10
4-8
