Replacing Mower Drive Belt (42A Mower)

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

2. Allow engine and muffler to cool completely.

3. Remove mower deck.

4. Avoid injury! Components are installed under spring tension. Wear eye protection and use proper tools when installing and removing components with spring tension.

   
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   Remove spring (A) from tension arm.

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5. Disconnect spindle cover torsion spring (B) from wire form.

6. 
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   Lift left spindle cover. Align keyway in shield (C) with stake in wire form (D), and slide spindle cover (E) off wire form.

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7. Repeat step 4, 5, and 6 to remove right spindle cover.

8. 
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   Remove nut (F) on tension arm and lift sheave (G) up to remove belt from guide (H).

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9. Remove belt from deck and inspect for wear or damage; replace as necessary.

10. Clean top surface of mower deck and sheaves.

11. Install belt on mower deck as shown.

12. 
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    Shown without sheave for clarity only.

    Make sure sheave carriage bolt (I) is fully seated into tension arm (J). Install sheave with belt on tension arm.

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13. Tighten sheave hardware to specification.

    Sheave	Torque	47 N·m (35 lb·ft)

14. Make sure that belt is properly seated on all sheaves.

15. Install left and right spindle covers on wire forms.

16. Install spring on tension arm.

17. Install mower deck.