25
Trouble Probable Cause Remedy
Blade breaks
prematurely (cont.)
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 (sect.
13.0). 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 (sect. 13.0).
Chipped tooth or foreign object lodged
in cut.
Stop saw and remove lodged particle.
Replace blade if damaged.
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