Description of problem:
Only one side of teeth has heavy wear markings.
- Worn wheel flange, causing side of teeth to contact the wheel surface or bad tracking on a flangeless wheel.
- Loose or improperly positioned side guides.
- Blade not properly perpendicular to cut.
- Blade rubbing against the cut surface on the return stroke of machine head.
- The teeth rubbing against a part of machine such as cutting guards.