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32
Troubleshooting – Operational Problems
Trouble Probable Cause Remedy
Table tilt does not
hold position under
load.
Locking lever is not tight. Tighten locking lever (A, Figure 20).
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 23). Also use acceptable feed
rate for the material being worked.
Drive belt is too slack.
Increase tension on drive belt. (see
page 23). Replace belt if worn.
Incorrect choice of saw blade pitch.
Check blade selection chart and use
correct blade (see page 31).
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.
Gum or pitch on blade. Clean blade.
Worn blade teeth or damaged blade. Replace blade.
Fence not parallel to blade. Align fence properly (see page 13).
Incorrect adjustment of blade guides.
Adjust blade guides properly (see
pages 19-20).
Incorrect blade speed used. Change to correct speed.
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.
Incorrect choice of saw blade for that
particular cutting operation.
Change to correct blade.
Blade tension too light. Increase tension (see page 17).
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 31.