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Troubleshooting – Operational Problems
Trouble Probable Cause Remedy
Table tilt does not hold
position under load.
Locking lever is not tight. Tighten locking lever (see page 15).
Trunnion locking mechanism is broken
or worn.
Replace trunnion locking mechanism.
Table will not tilt. Trunnion is not lubricated. Lubricate trunnion.
Trunnion is jammed.
Disassemble and replace jammed
parts.
Table vibration while
sawing. Incorrect blade speed.
Position belt for correct speed (see
page 21). Also use acceptable feed rate
for the material being worked (page 28).
Drive belt is too slack.
Increase tension on drive belt. (see
page 20). Replace belt if worn.
Incorrect choice of saw blade pitch.
Check blade selection chart and use
correct blade (see page 28).
Saw dust or debris on band wheel. Or
tire is worn/damaged.
Keep band wheels clean. Replace tires
if necessary.
Support bearing(s) are worn. Replace support bearings.
Surface finish on
workpiece is rough.
Saw blade speed is too low. Increase speed.
Saw blade pitch is too coarse. Change to finer pitch blade.
Saw blade cutting
inaccurately. Cuts are
not straight.
Worn blade teeth or damaged blade. Replace blade.
Fence not parallel to blade. Align fence properly (see page 11).
Incorrect adjustment of blade guides.
Adjust blade guides properly (see
pages 18 and 19).
Incorrect blade speed used. Change to correct speed (see page 21).
Workpiece being fed too strongly. Reduce feed force.
Upper blade guides not located close
enough to workpiece.
Guides should be about 3/16” above
workpiece (see page 22).
Incorrect choice of saw blade for that
particular cutting operation.
Change to correct blade.
Blade tension too light. Increase tension (see page 16).
Blade cannot be
tensioned properly.
Tension springs are fatigued. Replace tension springs (contact
service representative).
Blade forms cracks at
base of teeth.
Blade forms cracks at
base of teeth.
(continued)
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.