Kohler — Brush Replacement and Commutator Service
Repair & overhaul · starting motor
From a Kohler service manual covering: KT17, KT17 Series II, KT19 Series II, KT21, Kt19. Check it applies to your exact model before use.
Applies to: Kohler Kt19
Procedure
- Remove drive pinion unit. Remove thru bolts. Separate end cap from armature.
- Clean commutator with a coarse, lint-free cloth; if badly worn or grooved, turn down on lathe.
- Replace positive brushes (part of terminal stud assembly) by removing nuts and pulling stud out through inside of end cap.
- Replace insulated (negative) brushes by removing capscrew and lock washer.
- Always use new brushes and springs; assemble brushes with chamfered side away from springs.
- Use a brush holder tool to keep brushes in position when reinstalling the end cap.
- Line-up bench marks on both end caps with those on motor frame, insert thru bolts and tighten.
Tools required
- brush holder tool Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Full service-parts list: Kohler Kt19 →
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.