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Home›Repair guides›Kubota›Coolant Pump Removal and Inspection

Kubota — Coolant Pump Removal and Inspection

Repair & overhaul

From a Kubota service manual covering: Hurth HBW 100, Hurth HBW 125, Hurth HBW 150, Hurth HBW 250, Hurth HBW 35, Hurth HBW 50, M-25XPB, M-35B, M-40B. Check it applies to your exact model before use.

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Procedure

  1. Loosen alternator mounting bolts and remove drive belt.
  2. Remove coolant pump pulley.
  3. Remove coolant pump assembly from gear case cover.
  4. Remove flange.
  5. Press out shaft with impeller.
  6. Remove impeller from shaft.
  7. Remove mechanical seal assembly.
  8. Check every part for cracks, damage and water leaks; replace defective parts.

Tools required

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

Source: Kubota 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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