Cummins/Onan — Adjust magnetic pickup
Adjustments
From a Cummins/Onan service manual covering: 4A2.3, 6A3.4-GS, 6AT3.4-GS, DL4, DL6, QSA3, QSA4, QSA6. Check it applies to your exact model before use.
Applies to: Cummins/Onan DGAB, Cummins/Onan DGAC, Cummins/Onan DGAD, Cummins/Onan DGAE, Cummins/Onan DL4, Cummins/Onan DL6
Procedure
- Rotate engine so ring gear tooth is centered in MPU hole.
- Clean mounting hole with compressed air.
- Turn MPU in until it contacts flywheel tooth directly below.
- Turn out 1/2 turn and lock with jam nut.
- Be sure pickup does not rotate when tightening jam nut.
Tools required
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Turn out 1/2 turn from tooth.
Full service-parts list: Cummins/Onan DGAB →, Cummins/Onan DGAC →, Cummins/Onan DGAD →, Cummins/Onan DGAE →, Cummins/Onan DL6 →
Source: Cummins/Onan service 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.