Cummins/Onan — Service Procedure

For these Cummins/Onan models: 5.0N8-341E, 5.0N8-341P, 5.0N8-343E, 5.0N8-343P.

Applies to: Cummins Onan 5 0N8 341E, Cummins Onan 5 0N8 341P, Cummins Onan 5 0N8 343E, Cummins Onan 5 0N8 343P

Procedure

1. Apply a film of medium engine oil to the bearing
2. Spline threads are provided up to the mid portion
3. After the drive assembly is assembled on the shaft
4. The armature should be adjusted by spacing wash-
5. The thru-bolts are tightened by a torque of 35 - 44

Source: manual:940-1002 Onan NB Welder Service and Parts Manual.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.