YD — Generator Rotor and Stator Assembly

For the YD.

Procedure

1. Use a hoist and sling to support rotor
2. Ensure the drive disk is assembled with the chamfer on the flywheel side
3. Apply torque values as shown in Figure 2-9
4. Install air baffle
5. Using a hoist and safe lifting device, carefully move the stator into position over the rotor with leads exiting in top position
6. Apply a thin film of Molykote grease to mating surfaces of the end bearing and the end bearing hole
7. Install end bell assembly on the stator with the generator lead opening at top position
8. Replace the stud nuts and torque to 20 ft lbs (27 Nom)
9. Install the battery charge regulator bracket in the upright position
10. Using a lead hammer, tap the end bell at horizontal and vertical plane to relieve stress
11. Retorque end bell stud nuts
12. Route generator leads through opening in AC control box and secure saddle to generator
13. Connect control leads and verify all connections are correct and secure
14. Connect the field leads F1 and F2 to the terminal board
15. Install the end bell cover
16. Connect the load wires to their correct terminals
17. Connect the negative (-) battery cable and test generator operation

Source: manual:934-0501_Onan_DL3_RV_Genset_Generator__Control_Service_manual_08-1991.pdf. Figures and steps are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.