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OPERATING THE ON/OFF SWITCH
The bench grinder “ON/OFF” switch is located on the front of the grinder base. To
turn the grinder “ON,” move the rocker-style switch to the right to the “ON”
position. To turn the grinder “OFF,” move the rocker-style switch to the left to the
“OFF” position.
GRINDER OPERATIONS
• Before starting any grinding operation, check the grinding wheels are properly
dressed and have no rounded edges, gouges, or grooves. Refer to the section,
“Maintenance and Cleaning” (page 15-18) for procedures on dressing the
grinding wheels.
• Ensure the tool rests are securely tightened and the eye shields are in place and
properly tightened.
• Allow the grinder to run for at least one minute to warm up the grinding
wheels. NEVER place a work piece against a “COLD” grinding wheel.
• The bench grinder is equipped with two aluminum oxide grinding wheels - one
36 grit (coarse) and one 60 grit (medium).
• Place the work piece on the tool rest and apply even pressure as contact is
made with the abrasive stones.
• If the grinder is being used to sharpen heavy tools such as axes or lawnmower
blades, start by using the coarse grinding wheel. This wheel removes a greater
amount of surface. Then repeat the procedure using the medium wheel to give
the tools a finished sharpening. NOTE: The finished edges on heavy tools such
as axes or lawnmower blades need not be ground to a fine edge like that of a
pocket knife or scissor. The edge needs to be free of nicks and uneven edges
for maximum performance. A fine edge will only become damaged easier
requiring more frequent sharpening.
• When sharpening tools, start on one end of the tool and slide its surface across
the grinding stone in a firm even speed and pressure. Reverse the direction for
the other side.
When sharpening tools on a grinder, avoid letting the
tool stay in one place until it becomes “RED HOT.” You will notice area will
change color, possibly to a bluish tint, when the tool cools. This change in color
and the exposure to high heat can alter the tempering of the metal making it
more brittle and subject to frequent surface damage.
1413
INSTALLING THE EYE SHIELDS
The Eye Shields prevent hot sparks and other debris from flying off the spinning
grind wheels and possibly causing injury to the eyes of the operator. The eye shields
can be mounted in different positions depending on the operator. See Figure 3.
1. Attach the clear plastic Eye
Shield (1) to the Eye Shield
Mounting Bracket (3) using the
two mounting screws (2) as
shown in Figure 2.
2. Attach the Eye Shield and
Mounting Bracket to one of the
three mounting holes in the
Grinding Stone Guard (5) using
the Adjustment Knob, Split-lock
Washer and Flat Washer (4).
3. Adjust the Eye Shield by
loosening Adjustment Knob
and positioning in a desired
position. Re-tighten the
Adjustment Knob securing the
Eye Shield to the grinder.
Ensure the Eye Shield is in the preferred location and
securely tightened before turning the bench grinder power switch to “ON!”
Always replace an Eye Shield should it become cracked, broken or scratched to
that the view through it is impaired. Contact Alltrade Customer Service at 1-
800-590-3723 (toll free) for authorized replacement parts.
OPERATING THE BENCH GRINDER
Ensure the “ON/OFF” switch is in the “OFF” position
before plugging the power cord into the AC power source. Ensure there are
no tools or work pieces in contact with the grinding wheels when the grinder
is turned “ON.” Failure to observe these procedures could result in damage to
the bench grinder, tools, work pieces, or serious personal injury to the operator
or bystanders.
FIGURE 3. INSTALLING THE EYE SHIELD
4
3
2
5
1