JET Tools J-8201K User Manual - Page 22

Replacement Parts

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Fault Blade is twisting Unusual wear onside/back of blade Teeth missing/ripped from blade Motor running too hot Excessive speed reducer noise/ vibration Probable cause 1. Blade is binding in the cut. 2. Blade tension too high. 1. Blade guides worn 2. Blade guide bearings not adjusted. 3. Blade guide bearing bracket is loose. 1. Blade tooth pitch too coarse for workpiece. 2. Feed too slow; feed too fast. 3. Workpiece vibrating. 4. Gullets loading up with chips. 1. Blade tension too high. 2. Drive belt tension too high. 3. Blade too coarse for workpiece 4. Blade too fine for workpiece 5. Speed reducer requires lubrication 1. V-belt is too tight. Suggested remedy 1. Decrease feed pressure. 2. Decrease tension on blade 1. Replace blade guides. 2. Adjust blade guide bearings. 3. Tighten blade guide bearing bracket. 1. Use blade with finer tooth pitch. 2. Increase feed pressure and/or blade speed. 3. Clamp workpiece securely. 4a.Use blade with a coarse tooth pitch- reduce feed pressure. 4b.Brush blade to remove chips. 1. Reduce tension on blade. 2. Reduce tension on drive belt. 3. Use blade with fine tooth pitch. 4. Use blade with coarse tooth pitch. 5. Check speed reducer. 1. Reset V-belt tension. Replacement Parts Replacement parts are listed on the following pages. To order parts or reach our service department, call 1-800-274-6848 Monday through Friday (see our website for business hours, www.jettools.com). Having the Model Number and Serial Number of your machine available when you call will allow us to serve you quickly and accurately 22

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22
Fault
Probable cause
Suggested remedy
Blade is twisting
1. Blade is binding in the cut.
1. Decrease feed pressure.
2. Blade tension too high.
2. Decrease tension on blade
Unusual wear
onside/back of
blade
1. Blade guides worn
1. Replace blade guides.
2. Blade guide bearings not adjusted.
2. Adjust blade guide bearings.
3. Blade guide bearing bracket is loose.
3. Tighten blade guide bearing bracket.
Teeth
missing/ripped
from blade
1. Blade tooth pitch too coarse for
workpiece.
1. Use blade with finer tooth pitch.
2. Feed too slow; feed too fast.
2. Increase feed pressure and/or blade
speed.
3. Workpiece vibrating.
3. Clamp workpiece securely.
4. Gullets loading up with chips.
4a.Use blade with a coarse tooth pitch—
reduce feed pressure.
4b.Brush blade to remove chips.
Motor running too
hot
1. Blade tension too high.
1. Reduce tension on blade.
2. Drive belt tension too high.
2. Reduce tension on drive belt.
3. Blade too coarse for workpiece
3. Use blade with fine tooth pitch.
4. Blade too fine for workpiece
4. Use blade with coarse tooth pitch.
5. Speed reducer requires lubrication
5. Check speed reducer.
Excessive speed
reducer noise/
vibration
1. V-belt is too tight.
1. Reset V-belt tension.
Replacement Parts
Replacement parts are listed on the following pages. To order parts or reach our service department, call
1-800-274-6848 Monday through Friday (see our website for business hours, www.jettools.com). Having
the Model Number and Serial Number of your machine available when you call will allow us to serve you
quickly and accurately