TROUBLESHOOTING
9
NORSE Operating Manual & Parts List 9683113
SYMPTOM POSSIBLE CAUSE(S) CORRECTIVE ACTION
Excessive blade breakage
Premature blade dulling
Crooked cuts
Rough cuts
Blade is twisting or unusual wear on
side/back of blade
Teeth ripping from blade
Motor running too hot
Saw will not start
1. Material not secure on table
2. Incorrect speed or feed
3. Blade too coarse for material
4. Incorrect blade tension
5. Teeth in contact with work before sawing
6. Blade rubs on wheel flange
7. Misaligned guides
8. Blade too thick for wheel diameter
9. Cracking at weld
1. Blade too coarse
2. Excessive blade speed
3. Inadequate feed pressure
4. Hard spots or scale in or on material
5. Work hardening of workpiece
6. Blade installed backwards
7. Insufficient blade tension
1. Work not square
2. Rate of feed too great
3. Blade guides not adjusted properly
4. Insufficient blade tension
5. Upper blade guide too far from workpiece
6. Dull blade
7. Incorrect speed
8. Blade guide assembly loose or blade thrust
bearing loose
1. Too much speed or feed
2. Blade too coarse
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. Teeth too coarse for work
2. Rate of feed too great
3. Vibrating workpiece
4. Teeth filling with material
1. Blade tension too great
2. Blade too coarse for work (typical when
cutting pipe)
3. Blade too fine for work (typical when
cutting slick or soft material)
4. Excessive dirt and chips
Loose electrical connections
1. Squarely place work on table
2. Check Blade Speed (Figure 6, page 7)
3. Use finer pitch blade
4. Tension blade properly; see “Operation”
5. Place blade in contact with work after saw is
started and has reached full speed
6. Adjust wheel alignment properly
7. Adjust blade guides properly
8. Use thinner blade
9. Replace blade
1. Use finer tooth blade
2. Try lower speed
3. Gently increase pressure
4. Reduce speed; increase rate of feed for scale and
change blades for hard spots
5. Increase rate of feed
6. Remove blade, twist inside out and reinstall blade
7. Tension blade properly; see “Operation”
1. Use rip fence; adjust tilt of table at 90° to blade
2. Reduce rate of feed
3. Move both guide blocks within .002˝ from blade
(use gauge)
4. Tension blade properly; see “Operation”
5. Adjust upper guide to just clear workpiece by 1/4˝
6. Replace blade
7. Check Blade Speed; see Figure 6, page 7 for
recommended speeds
8. Tighten blade thrust bearing within .002˝ behind
blade back
1. Reduce speed or feed
2. Replace with finer blade
1. Decrease feed pressure
2. Replace
3. Adjust blade guides; see “Operation”
4. Tighten properly
1. Use blade with finer teeth
2. Decrease feed rate
3. Hold workpiece firmly
4. Use blade with coarser teeth
1. Reduce tension on blade
2. Use blade with finer teeth
3. Use blade with coarser teeth
4. Clean thoroughly; vacuum motor and
speed change mechanism
Have qualified electrician check electrical connections
