Starter Motor or Starter Solenoid Inoperative
To determine if an inoperative starter motor or starter solenoid is causing the engine to crank slowly or not crank, perform the following steps:
- Remove the starter motor. Refer to "8.3.1 Removal of Starter" .
- Test the starter motor for proper operation.
- If the starter motor is inoperative, replace the starter motor. Refer to "15.5.1 Replacement of Starter Motor" .
- If the starter motor is operative, call the Detroit Diesel technical service group.
Replacement of Starter Motor
Replace the starter motor as follows:
- Install a new starter motor. Refer to "8.3.2 Installation of Starter" .
- Verify replacement. Refer to "18.104.22.168 Test of Engine with Replaced Components" .
Test of Engine with Replaced Starter
Perform the following to determine if the replaced starter resolved the fault:
- Attempt to start and run the engine.
- If the engine failed to start and run, call the Detroit Diesel technical service group.
- If the engine started and ran, no further troubleshooting is required.
|Series 638 Service Manual - 6SE648|
|Generated on 10-13-2008|