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Kohler — Disassembling Kohler Model 60388-M Motor and Pump

Repair & overhaul · Motor and pump (60388-M)

From a Kohler service manual covering: 60388-M, 60660-H, 60660-M, 60661-H, 60661-M, 60662-M, 60663-M, K-1409-SA, K-1410-SA, K-1422-SA, K-1482-SA, K-1484-SA…. Check it applies to your exact model before use.

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Before you start

  • Use only fingers, not a screwdriver or other sharp object which may damage components.
  • When installing seal assembly members, do not use a screwdriver or other sharp object which may damage ceramic ring.

Procedure

  1. Remove screws securing casing to motor. Remove casing.
  2. Lift off diffuser and gasket.
  3. Hold motor shaft by inserting screwdriver into slot in motor casing; or remove motor end cover and hold shaft with an open end wrench.
  4. Rotate impeller counterclockwise and remove.
  5. Slide rotating member of seal assembly off impeller shaft.
  6. Remove diffuser O-ring and face plate gasket.
  7. Remove screws and lockwashers securing face plate and bracket to motor housing. Remove face plate and bracket.
  8. Remove stationary members of seal assembly by pushing out from behind face plate and bracket.
  9. Check impeller, diffuser, diffuser O-ring, gasket, and all pump seals; replace if damaged. Impeller, casing and diffuser are a matched set; replace together.
  10. Clean impeller and all seal assembly cavity surfaces thoroughly before reassembling.
  11. Secure face plate to motor housing.
  12. Install stationary members of seal assembly into the face plate. Lubricate gasket with clean water only.
  13. Seat stationary members firmly, using finger pressure only.
  14. Slide rotating member of seal assembly onto impeller shaft. Lubricate with clean water only.
  15. Ensure grooved portions of rotating member are located over raised portions of impeller shaft.

Tools required

Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.

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.

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