9–3 62-11637
9.2 ALTERNATOR
Indication/Trouble Possible Causes Action / Reference
9.1.6 Miscellaneous Engine Troubleshooting
Loss of power
Air cleaner or hose restricted 8.5.10
Air in fuel system 8.5.2
Air vent restricted in fuel tank cap Clean
Restricted fuel lines Engine Manual
Defective fuel injection pump Engine Manual
Defective injector(s) or incorrect type Engine Manual
Incorrect fuel injection pump timing Engine Manual
Incorrect valve timing Engine Manual
Poor compression Engine Manual
Vibration
Engine shockmounts defective Replace
Poor compression Engine Manual
Overheating
Air cleaner or hose restricted 8.5.10
Exhaust pipe restriction Remove
Restriction in water jacket Engine Manual
Restriction in radiator 8.5.14
Coolant level too low 8.5.14
Loose water pump Engine Manual
Defective thermostat Engine Manual
Alternator/Water pump belt loose/broken 8.5.16
Excessive crankcase pressure Plugged crankcase breather 8.5.16
Indication/Trouble Possible Causes Action / Reference
Alternator fails to charge
Limited charging system operating time Check
Battery condition Load Test
Alternator belt loose/broken 8.5.15
Damaged or corroded electrical connections Check./Repair
Excessively worn, open or defective brushes 8.10.5
Regulator faulty 8.10.5
Open rotor field coil Check/Replace
Low or unsteady charging rate
Alternator belt loose/broken 8.5.15
Damaged or corroded electrical connections Check/Repair
Excessively worn, sticky or defective brushes 8.10.5
Regulator faulty 8.10.5
Grounded or shorted turns in rotor Check/Replace
Open rotor field coil Check/Replace
To Next Page
Loading...
