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