Cummins/Onan — Remove the fan (Steps 1 through 9, p. 7-3). In-
For these Cummins/Onan models: 3.6MKY, 4MKY.
Applies to: Cummins Onan 3 6Mky, Cummins Onan 4Mky
Procedure
- Remove the brush block mounting screws and
- Remove the brushes and springs from the
- Push each brush into the brush holder and in-
- Install the brush block in the endbell but do not
- Remove the wire holding the brushes off the
- Reassemble the generator (p. 7-5).
- 7
Specs & torque values
- (minimum brush length is 0.375 inches [9.5 mm]).
Source: manual:981-0531 Onan MKY Spec J Pontoon Service Manual (8-1999).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.