Kohler — Generator Disassembly - Static Models (RY)
Repair & overhaul
From a Kohler service manual covering: 10/15RMOY, 15/17.5ROY, 15RMY, 22.5-47.5ROZ, 22.5/32.5RZ. Check it applies to your exact model before use.
Applies to: Kohler 15RMY
Before you start
- Disconnect and remove starting batteries from work area to prevent fire hazard.
- Any cranes, hoists, or other devices must be rated for weight of generator set.
Procedure
- Remove end panel and enclosure side panels.
- Disconnect stator lead connections and remove base tray.
- Disconnect stator from steel mounting frame by removing bolts from vibro-mounts.
- Cradle stator with lifting straps and raise with a hoist to lift generator off vibro-mounts.
- Place wood blocks under flywheel housing to support engine; lower so housing rests on blocks.
- Remove black plastic speed sensor from end bracket (NFPA models only).
- Lift the brushes by the leads and lock in holder with a length of wire or paper clip.
- Remove four overbolts and bump end bracket with a rubber mallet to remove.
- Remove the stator by guiding it to the rear.
- Loosen the thru bolt 2-3 turns and break the rotor loose from taper by striking the bolt head with a heavy lead mallet; remove thru bolt and pull rotor away.
Tools required
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Full service-parts list: Kohler 15RMY →
Source: Kohler 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.