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Thermolite Pump Rebuild/ 1510 Rebuild Procedure

The Thermolite Pump Rebuild/1510 Rebuild procedure outlines the steps required to disassemble, inspect, repair, and reassemble the Thermolite or 1510 pump. This process ensures that all worn, has leaks or damaged components are replaced, restoring the pump to its optimal performance levels and extending its operational lifespan.
Walbro GR
05/15/2025

Thermolite Pump Rebuild/ 1510 Rebuild Procedure

The Thermolite Pump Rebuild/1510 Rebuild procedure outlines the steps required to disassemble, inspect, repair, and reassemble the Thermolite or 1510 pump. This process ensures that all worn, has leaks or damaged components are replaced, restoring the pump to its optimal performance levels and extending its operational lifespan.
    • Screenshot_23-4-2025_55446_.jpeg

    Remove pump propellor

    1. Remove lock nut 2. Carefully remove pulley by holding pulley and turning screw slot in back shaft .

    • Screenshot_23-4-2025_55732_.jpeg
    • Screenshot_23-4-2025_6742_.jpeg
    • Screenshot_23-4-2025_684_.jpeg

      1. carefully remove spring and seal from pump housing

      • Screenshot_23-4-2025_6910_.jpeg

      Carefully slide out pump from shaft

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      • Screenshot_23-4-2025_61250_.jpeg

      tighten bolts in star patern

      Make sure pump is turning correct direction

      Test pump for leaks

      Click here to sign
    Source: Walbro GR (Community Member)

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