JET Tools JWBS-18-3 User Manual - Page 28

Symptom, Probable Cause, Correction, WARNING

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Symptom Blade breaks prematurely. Blade breaks close to weld. Premature dulling of saw teeth. Probable Cause Feed force too great. Blade pitch too coarse. Guide bearings not properly supporting blade. Blade tensioned too tightly. Blade overheated during welding. Blade cooled too rapidly after welding. Blade pitch too fine. Feed pressure too light. Cutting rate too low. Incorrect choice of blade. Chipped tooth or foreign object lodged in cut. Correction * Reduce feed force. Refer to blade selection chart; use finer pitch blade. Check guide bearings for correct position and signs of wear. Adjust or replace as needed. Reduce tension. Have blade annealed, or eliminate brittle part and weld correctly. Have blade annealed, or eliminate brittle part and weld correctly. Refer to blade selection chart. Use blade with coarser pitch. Increase feed pressure. Increase feed pressure and cutting rate. Re-examine material. Select proper blade from chart. Stop saw and remove lodged particle. Replace blade if damaged. * WARNING: Some corrections may require a qualified electrician. 28

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28
Symptom
Probable Cause
Correction *
Blade breaks
prematurely.
Feed force too great.
Reduce feed force.
Blade pitch too coarse.
Refer to blade selection chart; use finer
pitch blade.
Guide bearings not properly supporting
blade.
Check
guide
bearings
for
correct
position and signs of wear. Adjust or
replace as needed.
Blade tensioned too tightly.
Reduce tension.
Blade breaks close to
weld.
Blade overheated during welding.
Have blade annealed, or eliminate brittle
part and weld correctly.
Blade cooled too rapidly after welding.
Have blade annealed, or eliminate brittle
part and weld correctly.
Premature dulling of
saw teeth.
Blade pitch too fine.
Refer to blade selection chart. Use blade
with coarser pitch.
Feed pressure too light.
Increase feed pressure.
Cutting rate too low.
Increase feed pressure and cutting rate.
Incorrect choice of blade.
Re-examine material. Select proper
blade from chart.
Chipped tooth or foreign object lodged in
cut.
Stop saw and remove lodged particle.
Replace blade if damaged.
*
WARNING:
Some corrections may require a qualified electrician.