TROUBLESHOOTING
Symptom
Possible Causes
Corrective Action
Excessive Blade Damage
1. Material is loose in the vice.
1. Clamp work securely.
2. Incorrect speed or feed.
2. Adjust the speed or feed.
3. Blade teeth spacing is too large.
3. Replace with a smaller TPI blade.
4. Material is too course.
4. Use blade at slower speed & TPI.
5. Incorrect blade tension.
5. Adjust tension so blade does not
slip on the wheel.
6. Blade is in contact with material
6. Place blade in contact with work
before the saw is started.
only after the motor has started.
7. Blade rubs on the wheel flange.
7. Adjust the wheel alignment.
8. Misaligned guide pivots.
8. Adjust guide pivots.
9. Blade is too thick.
9. Use a thinner blade.
Premature Blade Dulling
1. Blade teeth are too course.
1. Use a smaller TPI blade.
2. Too much speed.
2. Reduce the speed.
3. Inadequate blade tension.
3. Adjust the spring
4. Hard spots or scale on material.
4. Reduce speed, increase feed pressure.
5. Blade is twisting.
5. Replace blade, adjust blade tension.
6. Insufficient blade tension.
6. Tighten blade tension.
7. Blade is sliding.
7. Tighten blade tension, reduce speed.
Unusual Wear on Side or
1. Blade guides are worn.
1. Replace blade guides.
Back of Blade
2. Blade guide pivots are misaligned.
2. Adjust guide pivots.
3. Blade guide brackets are loose.
3. Tighten blade guide brackets.
Teeth Ripping from Blade
1. Blade is too course for the work.
1. Use a fine TPI blade.
2. Too much pressure, speed is too slow.
2. Decrease pressure and increase speed.
3. Workpiece is vibrating.
3. Clamp work more securely.
4. Blade is too fine for the work.
4. Use a course TPI blade.
Motor Overheating
1. Blade tension is too high.
1. Reduce the blade tension.
2. Drive belt tension is too high.
2. Reduce the drive belt tension.
3. Blade is too course.
3. Use a smaller TPI blade.
4. Blade is too fine.
4. Use a courser TPI blade.
5. Gears need lubrication.
5. Lubricate gears.
6. Cut is binding blade.
6. Decrease the feed and speed.
Bad, Crooked or Rough Cuts
1. Feed pressure is too great.
1. Adjust spring to reduce pressure.
2. Guide pivots are misaligned.
2. Adjust guide pivots.
3. Inadequate blade tension.
3. Increase blade tension.
4. Blade is dull.
4. Replace blade.
5. Incorrect speed.
5. Adjust speed.
6. Blade guides are spaced out too much.
6. Adjust guide spacing.
7. Blade guide assembly is loose.
7. Tighten guide assembly.
8. Blade is too course.
8. Use a finer TPI blade.
Blade is Twisting
1. Cut is binding blade.
1. Decrease feed pressure.
2. Blade tension is too high.
2. Decrease the blade tension.
Chester UK HV128 Bandsaw
5
