2428
TROUBLESHOOTING
SYMPTOM POSSIBLE CAUSE(S) CORRECTIVE ACTION
Excessive blade
breakage
1. Material not secure on table
2. Blade too coarse for material
3. Teeth in contact with work before
sawing
4. Misaligned guides
5. Blade too thick for wheel diameter
6. Cracking at weld
1. Secure work on table
2. Use finer pitch blade
3. Place blade in contact with work after saw is
started and has reached full speed
4. Adjust blade guides properly
5. Use thinner blade
6. Replace blade
Premature blade
dulling
1. Blade too coarse
2. Inadequate feed pressure
3. Hard spots or scale in or on
material
4. Blade installed backwards
1. Use finer tooth blade
2. Gently increase pressure
3. Reduce speed; increase rate of feed for scale
and change blades for hard spots
4. Remove blade, twist inside out and reinstall
blade
Crooked cuts 1.Work not square
2. Rate of feed too great
3. Blade guides not adjusted properly
4. Upper blade guide too far from
workpiece
5. Dull blade
6. Blade guide assembly loose or
blade thrust bearing loose
1. Use mitre gauge; adjust tilt of table at 90°
2. Reduce rate of feed
3. Move both guide blocks within .002” from
blade (use gauge)
4. Adjust upper guide to just clear workpiece
by 1/4”
5. Replace blade
6. Tighten blade thrust bearing within .002”
behind blade back
Rough cuts 1. Too much feed
2. Blade too coarse
1. Reduce feed
2. Replace with finer blade
Blade is twisting or
unusual wear on
side/back of blade
1. Cut is binding blade
2. Blade guides or bearing worn
3. Blade guides or bearings not
adjusted properly
4. Blade guide brackets loose
1. Decrease feed pressure
2. Replace
3. Adjust blade guides; see “Operation”
4. Tighten properly
Teeth ripping from
blade
1. Teeth too coarse for work
2. Rate of feed too great
3. Vibrating workpiece
4. Teeth filling with material
1. Use blade with finer teeth
2. Decrease feed rate
3. Hold workpiece firmly
4. Use blade with coarser teeth
Motor running too hot 1. Blade too coarse for work
(typical when cutting pipe)
2. Blade too fine for work (typical
when cutting slick or soft material)
3. Excessive dirt and chips
1. Use blade with finer teeth
2. Use blade with coarser teeth
3. Clean thoroughly
Saw will not start Loose electrical connections Have qualified electrician check electrical
connections
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