Product Manual

28
Trouble Probable Cause Remedy
Excessive blade
breakage.
Material loose in vise. Clamp work securely.
Incorrect speed or feed rate.
Refer to charts on pages 25-26 or
check Machinist’s Handbook for
speed/feed appropriate for the
material being cut.
Teeth too coarse for material.
Check Machinist’s Handbook for
recommended blade type.
Incorrect blade tension.
Adjust blade tension to point where
the blade just does not slip on the
wheel.
Blade rubs on the wheel flange. Adjust blade tracking. See sect. 8.8.
Misaligned guides. Adjust guides (sect. 9.7 thru 9.9).
Cracking at weld.
Install a fresh blade, or use longer
annealing cycle if welding your own.
Premature blade
dulling.
Blade teeth too coarse. Use a finer tooth blade.
Blade speed too high. Try a lower blade speed.
Hard spots in workpiece or scale on/in
workpiece.
Increase feed pressure (hard spots).
Reduce speed, increase feed
pressure (scale).
Work hardening of material
(especially stainless steel).
Increase feed rate.
Insufficient blade tension.
Increase tension to proper level (sect.
9.5).
Operating saw without pressure on
workpiece.
Do not run blade at idle in/on material.
Blade is twisting. Blade is binding in the cut. Decrease feed pressure.
Blade tension too high. Decrease tension on blade.
Unusual wear on
side/back of blade.
Blade guides worn. Replace blade guides.
Blade guide bearings not adjusted. Adjust blade guide bearings.
Blade guide bearing bracket is loose. Tighten blade guide bearing bracket.
Teeth missing/ripped
from blade.
Blade tooth pitch too coarse for
workpiece.
Use blade with finer tooth pitch.
Feed rate either too slow or too fast. Adjust feed rate and/or blade speed.
Workpiece vibrating. Clamp workpiece securely.
Gullets loading up with chips.
Use blade with coarse tooth pitch
and/or reduce feed rate. Brush blade
to remove chips.