20
Symptom Possible Cause Correction
Blade twisting. (cont.) Incorrect guide bearing adjustment Adjust guide bearings according to instructions
in this manual.
Loose guide bearing bracket Tighten bracket on saw arm.
Loose bearing seat attachment screw Tighten bearing seat attachment screw –
adjust bearing clearance.
Unusual wear on
side/back of blade.
Blade guides worn. Replace.
Blade guide bearings not adjusted
properly.
Check and adjust for proper clearance.
Blade guide bearing bracket loose. Tighten bracket to saw arm.
Blade running on wheel flange. Adjust blade tracking using the paper cutting
method.
Breaking teeth. Teeth too coarse for work. Use blade with finer pitch.
Too heavy feed. Decrease feed rate – observe chip formation to
verify efficient cutting.
Too slow speed. Increase blade speed. Check technical
literature or blade or work piece supplier for
blade speed recommendations.
Vibrating work piece. Be sure vise is tight.
Support slender cross section or long work
pieces with appropriate in feed and out feed
supports.
If stacking pieces in the vise, be sure all work
pieces are securely captured by the vise.
Tooth gullets loading Use coarser blade or one with a tooth
geometry more appropriate to the work piece
being cut.
Blade in contact with work piece before
motor is started.
Always allow motor to come fully up to speed
before beginning cut.
Motor running too hot. Blade tension too high. Decrease blade tension to just above slip
point.
Worn transmission and worm gear. Replace gears in transmission gearbox.
Gears need lubrication. Check gearbox and add oil as required.
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