Replacing Mower Drive Belt (38 Mower)

  1. Park machine safely. (See Parking Safely in SAFETY section.)

  2. Allow engine and muffler to cool completely.

  3. Remove mower deck.

  4. Remove drive belt.

    MXAL46045
    MXAL46045-UN-09APR13

    • Remove three bolts and belt shield (A).
    • Loosen hardware for two sheaves (B) to remove belt from belt guides (C).
    • Loosen hardware for belt guide (D).
    • Remove mower belt.


  5. Inspect belt for wear or damage; replace as necessary.

  6. Clean top surface of mower deck and sheaves.

  7. Install belt on mower deck as shown. Make sure belt is in the groove of each sheave and inside belt guide (D).

  8. Tighten belt guide (D).

  9. MXAL46046
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    Be sure belt guides (C) are in the rounded groove of deck bracket (E) and tensioning bracket (F). Tighten sheave hardware to specification.

    ItemMeasurementSpecification
    Sheave HardwareTorque54 N·m (40 lb-ft)


  10. Install belt shield.

  11. Before installing deck, make sure tension spring (G) is installed. Rotate tension arm (H) clockwise and install spring onto bottom square hole in tension arm.

SP66632,00044C0-19-20130416