Problem
Blade does not rotate.
Possible Cause
1. Mower belt is worn, loose or broken.
2. Mower belt is off pulley.
3. Mower belt is worn, loose or broken.
4. Mower belt is off pulley.
5. Broken or missing idler spring.
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Corrective Action
1. Check the belt tension.
2. Install mower belt and check adjusting
shafts and belt guides for correct
position.
3. Install new mower belt.
4. Install mower pulley and check the idler
pulley, idler arm and spring for correct
position and function.
5. Replace the spring.