MTD & B20 Lawn Mower User Manual


 
21Section 8 — troubleShooting
Problem Cause Remedy
Uneven cut 1. Wheels not positioned correctly.
2. Dull blade.
1. Place front and rear wheels in same height
position.
2. Sharpen or replace blade.
Mower will not self propel 1. Belt not installed properly.
2. Debris clogging drive operation.
3. Damaged or worn belt.
1. Check belt for proper pulley installation and
movement.
2. Stop engine, disconnect spark plug boot,
and clean out debris.
3. Inspect and replace belt.