Cummins/Onan — Generator Belt Adjustment
Adjustments
From a Cummins/Onan operator's manual — check it applies to your exact model before use.
Applies to: Cummins/Onan EC series
Procedure
- Loosen generator link clamp screw and two generator mounting bolts.
- Move generator toward or away from engine until deflection is 1/4 inch between generator pulley and governor pulley.
- Use light thumb pressure on belt.
- Tighten clamp screw and mounting bolts.
Tools required
- wrench Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- 1/4 inch deflection
Source: Cummins/Onan operator's manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.