Dake Model SE 912 - Manual (Page 20)

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11. TROUBLE SHOOTING
Symptom
Possible Cause(s) Corrective Action
Excessive Blade
Breakage 1. Materials loosen in vise.
2. Incorrect speed or feed
3.Blade teeth spacing too large
4.
Material too coarse
5. Incorrect blade tension
6.Teeth in contact with material
before saw is started
7. Blade rubs on wheel flange
8. Miss-aligned guide bearings
9. Blade too thick
10 Cracking at weld
1. Clamp work securely
2. Adjust speed or feed
3. Replace with a small teeth
spacing blade
4. Use a blade of slow speed
and small teeth spacing
5. Adjust to where blade just
does not slip on wheel
6. Place blade in contact
with work after motor is
starred
7. Adjust wheel alignment
8. Adjust guide bearings
9. Use thinner blade
10. Weld again, note the weld
skill.
Premature Blade Dulling 1. Teeth too coarse
2. Too much speed
3. Inadequate feed pressure
4.Hard spots or scale on material
5. Work hardening of material.
6.Blade twist
7. Insufficient blade
8. Blade slide
1. Use finer teeth
2. Decrease speed
3. Decrease spring tension on
side of saw
4. Reduce speed, increase feed
pressure
5. Increase feed pressure by
reducing spring tension
6. Replace with a new blade,
and adjust blade tension
7. Tighten blade tension
adjustable knob
8. Tighten blade tension
Unusual Wear on
Side/Back of Blade 1.Blade guides worn.
2.Blade guide bearings not adjust
properly
3.Blade guide bearing bracket is
loose
1.Replace.
2.Adjust as per operators
manual
3.Tighten.
Teeth Ripping from
Blade. 1. Tooth too coarse for work
2. Too heavy pressure; too slow 1. Use finer tooth blade.
2. Decrease pressure, increase