Trouble
Blade forms cracks at base of teeth. (continued)
Cracks on back edge of blade.
Blade breaks prematurely.
Blade breaks close to weld.
Premature dulling of saw teeth.
Blade binds in the workpiece.
Probable Cause | Remedy | |
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Blade sharpened incorrectly, | Sharpen blade properly or replace. | |
becomes overheated. | ||
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Band wheels have become | Contact service representative. | |
misaligned. | ||
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Workpiece being fed too quickly. | Reduce feed speed to lessen strain | |
on the blade. | ||
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Welding on blade not perfectly | Eliminate the welded part, and re- | |
aligned. | weld properly; or acquire a new blade. | |
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Support bearing is worn; caused by | Replace support bearing. Adjust new | |
bearing according to instructions (see | ||
constant contact with back of blade. | ||
pages 18 and 19). | ||
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Feed force too great. | Reduce feed force. | |
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Blade pitch too coarse. | Refer to blade selection chart; use | |
finer pitch blade (see page 28). | ||
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Support bearing not properly | Check support bearing for correct | |
position and signs of wear. Adjust or | ||
supporting blade. | ||
replace as needed. | ||
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Blade tensioned too tightly. | Reduce tension (see page 16). | |
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Blade overheated during welding. | Have blade annealed, or eliminate | |
brittle part and weld correctly. | ||
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Blade cooled too rapidly after welding. | Have blade annealed, or eliminate | |
brittle part and weld correctly. | ||
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Blade “pitch” too fine. | Refer to blade selection chart (page | |
28). Use blade with coarser pitch. | ||
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Feed pressure too light. | Increase feed pressure. | |
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Cutting rate too low. | Increase feed pressure and cutting | |
rate. | ||
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Incorrect choice of blade. | ||
blade from the chart (page 28). | ||
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Chipped tooth or foreign object | Stop the saw and remove lodged | |
lodged in cut. | particle. Replace blade if damaged. | |
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Incorrect blade tension or damaged | Correct accordingly. | |
blade. | ||
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Blade too wide for desired radius. | Select narrower blade. See chart on | |
page 28. | ||
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