Facts About Generators
GeneratorsDirectoryCompareRepairEnginesControllersPartsManufacturersGuides
Search models or part #
Home›Repair guides›120 v.

Compatible — 120 v.

For these models: MCCK (Spec D), UN.

Before you start

  • note their connection points. Figure 2-1 illustrates a

Procedure

  1. 1. Disconnect the battery cables from the generator
  2. 2.
  3. 3.
  4. 4.
  5. 5.
  6. 6.
  7. 7. Remove the generator fan, mounting nut and
  8. 8. Remove all the generator wire leads from the end
  9. 9. Remove the four generator through-bolts.
  10. 10. Lift or pull the end bell from the frame assembly (do
  11. 11. Remove the frame assembly. Screwdriver slots in
  12. 12. While pulling outward on the armature with one

Source: manual:900-0196_Onan_UN-series_Generator__Controls_service_manual_09-1996.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.