A Series Diesel Engine Troubleshooting Logic 52
Alternator Not Charging Or Insufficient Charging
Cause
Correction
Loose or Corroded Battery
Connections
Clean/Tighten Battery Connections.
Refer to Page 137
OK
Alternator Belt Slipping
Check/Replace Belt Tensioner.
Refer to Page 62
OK
Alternator Pulley Loose on Shaft
Tighten Pulley.
OK
Malfunctioning Alternator
Replace Alternator.
Refer to Page 144