-50-
Model W1878 (For Machines Mfd. Since 4/21)
SE
RV
IC
E
Operations.(Cont.)
PROBLEM
POSSIBLE.CAUSE
CORRECTIVE.ACTION
Cut is crooked or
blade wanders
(blade lead).
1. Feeding pressure too high or cutting too fast.
2. Blade tension too loose.
3. Blade dull or damaged.
4. Inadequate blade support.
5. Blade too narrow for cut type.
6. Blade tracking incorrect.
7. Table loose.
8. Fence or miter slot out of alignment with
blade.
9. Blade guides or support bearing incorrectly
adjusted.
10. Tooth set uneven or teeth sharper on one side
than the other.
11. Wrong blade TPI.
12. Blade is following grain of wood.
1. Adjust feed rate and cutting speed as required.
2. Increase blade tension (
Page.24
).
3. Replace blade (
Page.35
).
4. Adjust upper blade guide as close to workpiece as
possible (
Pages.26
–
27
).
5. Use wider blade.
6. Adjust blade tracking (
Page.19
).
7. Tighten table trunnion mounting bolts or tilt lock
lever.
8. Align table and fence with blade (
Page.28
).
9. Adjust blade guide bearings and support bearing for
correct blade support (
Pages.26
–
27
).
10. Replace blade (
Page.35
).
11. Use a blade with fewer TPI (
Page.33
).
12. Increase blade tension (
Page.24
).
Blade dulls
prematurely.
1. Wrong blade TPI.
2. Improper feed pressure.
3. Blade is twisted.
4. Blade is slipping on wheel.
5. Guides hitting teeth.
1. Use blade with correct TPI (
Page.33
).
2. Use correct feed pressure.
3. Replace blade (
Page.35
).
4. Increase blade tension (
Page.33
). Clean wheel tire.
5. Adjust blade guide bearings and support bearing
(
Pages.26
–
27
).
Backside of
blade deforma-
tion/cracking.
1. Feed pressure too high.
2. Blade tension too high.
3. Incorrect blade guide alignment.
4. Guides are worn.
5. Blade tracking too far back and hitting lip of
wheels.
1. Reduce feed pressure.
2. Adjust blade tension (
Page.24
).
3. Correct blade guide alignment (
Pages.26
–
27
).
4. Replace guides.
5. Adjust tracking (
Page.19
).
Sawdust buildup
inside cabinet.
1. Clogged dust port.
1. Clean dust port.
Содержание W1878
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