Troy-Bilt TB320 - Mowing Quality and Mulching Issues; Self-Propel System Troubleshooting

19Section 8 — troubleShooting
Problem Cause Remedy
Mower will not
mulch grass
1. Wet grass.
2. Excessively high grass.
3. Dull blade.
1. Do not mow when grass is wet; wait until
later to cut.
2. Mow once at a high cutting height, then
mow again at desired height or make a
narrower cutting path.
3. Sharpen or replace blade.
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.
4. Drive control out of adjustment.
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.
4. Adjust drive control. (See Assembly & Set-up
section).