HomeRepair guidesRemove the fan (Steps 1 through 9, p. 7-3). In-

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

  1. Remove the brush block mounting screws and
  2. Remove the brushes and springs from the
  3. Push each brush into the brush holder and in-
  4. Install the brush block in the endbell but do not
  5. Remove the wire holding the brushes off the
  6. Reassemble the generator (p. 7-5).
  7. 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.