Cummins/Onan — Ignition Coil (Magneto) Installation
Installation · Ignition system
From a Cummins/Onan service manual — check it applies to your exact model before use.
Applies to: Cummins/Onan HGJAA, Cummins/Onan HGJAB, Cummins/Onan HGJAD, Cummins/Onan HGJAE
Procedure
- Perform the reverse of the removal steps.
- Bar the engine until the lands on the flywheel directly face the coils.
- Place a 0.3 mm (0.012 in) thick feeler gauge between the coil and the land on the flywheel.
- Hold the coil tight against the feeler gauge and land.
- Torque the two mounting bolts to 7 Nm (5 lb-ft).
Tools required
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Magneto air gap 0.3 mm (0.012 in)
- Mounting bolts 7 Nm (5 lb-ft)
Full service-parts list: Cummins/Onan HGJAA →, Cummins/Onan HGJAB →, Cummins/Onan HGJAD →
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.