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33
Trouble Probable Cause Remedy
“Blade lead” occurs
(blade wanders
during cut)
Fence not aligned with blade. Check and adjust fence (see page 17)
Wood is warped. Select different wood.
Excessive feed rate Reduce feed rate.
Incorrect blade being used for the
particular cut being made.
Change blade to correct type.
Blade tension improperly set. Set blade tension according to blade
size.
Bearing guides not set properly. Adjust guides (see pages 24-25).
Blade cannot be
tensioned properly.
Tension spring is fatigued. Replace tension spring (contact
service representative).
Blade binds in the
workpiece.
Incorrect blade tension or damaged
blade.
Correct accordingly.
Blade too wide for desired radius.
Select narrower blade. See chart on
page 35.
Blade forms cracks at
base of teeth.
Teeth not suitable for particular job, or
are incorrectly set.
Replace with proper blade for job.
Blade thickness not suitable for band
wheel diameter.
Replace with proper thickness blade.
Blade sharpened incorrectly,
becomes overheated.
Sharpen blade properly or replace.
Band wheels have become
misaligned.
Contact service representative.
Cracks on back edge
of blade.
Workpiece being fed too quickly.
Reduce feed speed to lessen strain
on the blade.
Welding on blade not perfectly
aligned.
Eliminate the welded part, and re-
weld properly; or acquire a new blade.
Round the back edge of a new blade.
Thrust bearing is worn; caused by
constant contact with back of blade.
Replace thrust bearing. Adjust new
bearing according to instructions.
Blade breaks
prematurely.
Feeding workpiece too quickly. Reduce feed force.
Blade guides misaligned.
Set bearing guides appropriate
distance from blade.
Blade pitch too coarse, or wrong size
blade for particular cut (e.g., wide
blade to cut a tight radius).
Refer to blade selection chart; use
appropriate blade for the operation.
Blade overheated during welding.
Replace blade, or have blade
annealed, or eliminate brittle part and
weld correctly.