Replacing Mower Drive Belt (42 Inch 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:

   • CAUTION: Components are installed under spring tension. Wear eye protection and use proper tools when installing and removing components with spring tension.

     
     MXAL42861-UN-09APR13

     Remove four bolts (A) and left and right belt shields (B).

   • 
     MXAL42862-UN-09APR13

     Loosen bolt (C) on belt guide.

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   • Loosen hardware on two sheaves (D), and remove belt from all sheaves.
   
   

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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.

8. Install and tighten bolt (C) on belt guide.

9. 
   MXAL42863-UN-09APR13

   Shown without sheave for clarity only.

   Make sure belt guide (E) is indexed properly into hole (F) on tension arm (G).

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10. Tighten sheave hardware to specification.

    Item	Measurement	Specification
    Sheave	Torque	47 N·m (35 lb-ft)

11. Make sure belt is properly seated on all sheaves, and install right and left belt shields.

12. Install mower deck.