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Additional.Safety.for.Benchtop.Grinders
Serious.injury.or.death.can.occur.from.impact.injuries.if.a.grinding.wheel.breaks.apart.during.
operation..Rotating.grinding.wheels.can.easily.remove.skin.or.cause.entanglement.injuries.if.
clothing.or.apparel.is.caught.in.moving.parts..Fingers.can.be.pinched/cut.by.in-running.pinch.points..
Flying.sparks.can.ignite.explosive.or.flammable.materials..To.minimize.risk.of.injury.or.death,.
anyone.operating.machine.MUST.completely.heed.hazards.and.warnings.below.
SAFE MOUNTING & WORK AREA. An unsecured
grinder may become dangerously out of control
during operation. Before use, verify grinder is
FIRMLY secured in a location free of explosive
or flammable materials.
STARTING GRINDER. If a wheel is damaged, it
will usually fly apart shortly after start-up. To
protect yourself, always stand to side of grinder
when turning it ON and allow it to run for at
least one minute before standing in front of it.
VISUAL INSPECTION. Verify that grinding wheels
are free of cracks, chips, or dents in wheel
surface before installing. Do not use wheel if
it has any of these problems or it could break
apart during operation.
WHEEL SPEED RATING. Before mounting a new
wheel, be sure wheel RPM rating is equal to
or higher than speed of grinder. Never use
unmarked wheels or wheels rated for lower
RPM than grinder.
VIBRATING WHEEL. Never use a wheel that
vibrates excessively. Replace wheel or shaft
bearings immediately.
SPARK DEFLECTOR GAP. Never allow gap
between end of spark deflector and
grinding wheel to exceed
gap is larger, additional sparks and
abrasives will be expelled toward the
operator, which will increase the risk of injury.
TOOL REST POSITION. A large distance (gap)
between tool rest and wheel increases risk
of workpiece being pinched between wheel
and tool rest causing wheel breakage, loss
of control, and possible injury. Never allow
gap between tool rest and wheel to exceed
⁄
". Replace grinding wheel when tool rest
1
8
gap becomes wider than
adjustment can be made to tool rest.
Model W1839 & W1840 (For Machines Mfd. Since 3/16)
⁄
". If the
1
4
⁄
" and no additional
1
8
-10-
SIDE & TOP GRINDING. Grinding on side of
wheels can cause them to crack and burst—
unless wheel is rated for side grinding.
Grinding on top of wheels greatly increases
risk of workpiece kickback. Always grind on
downward part of wheel.
SPINDLE NUT. Only tighten wheel spindle nut
enough to drive wheel and prevent slippage.
EYE SHIELDS. Place eye shields close to grinding
wheel and re-adjust as wheel wears down.
HAND & WHEEL CONTACT. Keep a firm grip
on workpiece and position your hands a safe
distance away when grinding. Anticipate when
workpiece will heat up, and cool it before it
becomes too hot to hold, or use an appropriate
clamp. Avoid wearing gloves as they may get
caught in grinding wheel and cause even more
serious entanglement injuries.
WHEEL FLANGES. Only use flanges included with
or designed for this grinder when mounting
wheels. Other flanges may not properly
secure wheel and cause an accident. Do not
use warped or damaged flanges, and always
use paper discs (blotters) between wheels
and flanges to reduce risk of flanges cracking
wheel when tightening.
EYE, FACE, & LUNG PROTECTION. Grinding
ejects small particles at a high rate of speed.
These particles can cause blindness, skin
injuries or respiratory damage. ALWAYS wear
approved clothing, safety goggles, face shield,
and a respirator for type of grinding to be
done.
RING TEST. Perform a "ring test" on grinding
wheels before installation to ensure they are
safe to use. A wheel that does NOT pass ring
test may break or fly apart during operation.
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