Use and Care Manual

18
SYMPTOM
POSSIBLE CAUSES SOLUTION
Undercutting the core
Arbor hole out of round
Abrasive wearing of the core faster
than the segments.
Collars/flanges are not properly tightened,
permitting blade to rotate or vibrate on
the sha.
Collars/flanges are worn or dirty. Blade is
not properly mounted.
Use water to flush out fines generated
during cutting.
Use wear-retardant cores.
Make certain the blade is mounted on the
proper sha diameter. Tighten the sha
nut with a wrench to make certain that
the blade is secure.
Clean collars/flanges, make sure they are
not worn.
Tighten arbor nut.
Make sure the pin hole slides over drive
pin.
Blade worn out of round
Sha bearings are worn.
Surges occur because engine is not
properly tuned.
Blade arbor hole is damaged from
incorrectly mounting the blade.
Bond/matrix is too hard for material.
Blade is slipping, wearing one half of
blade more than other.
Install new blade sha bearings or blade
sha, as required.
Tune engine according to manufacturer’s
manual.
DO NOT use if core is worn or arbor hole
damaged. Contact blade manufacturer.
Replace worn sha or mounting arbor
bushing.
Make certain that drive pin is functioning.
Tighten spindle nut.