Using The Wheel Dresser; Changing The Grinding Wheel And Wire Wheel - Craftsman 152.21152 Owner's Manual

USING THE WHEEL DRESSER (Fig. M)
Fig. M
CHANGING THE GRINDING WHEEL
AND WIRE WHEEL (Fig. N)
Fig. N
A
B
.JJ
The Wheel Dres_r is grinding wheel
only. It will remove buildup of material on the grinding
wheel, remove imperfections and make the corners of
the grinding wheel square. See Figure M.
DO NOT use the Wheel Dresser on the Wire Wheel.
1. If the optional Drill Bit Sharpening Accessory Plate
was installed earlier, remove it and reassemble the
right side tool rest (A) and adjust it until it is in the flat
horizontal position as shown and 1/16" away from
the grinding wheel.
2. Turn =ON" the Bench Grinder and then turn the
Variable Speed Switch clockwise until solid
resistance is felt. Let the grinding wheel come up
to a steady speed for one minute.
3. After the grinding wheel has gotten to a steady
speed, place the Wheel Dresser (B) flat on the Tool
Rest with the serrated wheels facing the grinding
wheel.
4. Firmly hold on to the handle of the Wheel Dresser.
5. Move the Wheel Dresser forward until the serrated
wheels make light contact with the grinding wheel
(C). After contact has been made, slide the Wheel
Dresser side to side across the Tool Rest to dress
the grinding wheel until the edge of the grinding
wheel is square and the surface is clean.
6. After the operator has completed dressing the
grinding wheel, turn "OFF" the Bench Grinder and let
the grinding wheel come to a complete stop.
7. Inspect the grinding wheel for any damage?
8. The grinding wheel may now be slightly smaller in
diameter after dressing. Readjust the tool rests and
spark arrestors to maintain a 1/16" clearance to the
grinding wheel.
C
F
D
E
B
A
Due to normal wear, both wheels will need to be
replaced occasionally. See Figure N.
1. Turn the power switch "OFF" and unplug the power
cord from its power source
2, Rotate the eyeshieids to the "UP" position for access
to the tool rests.
3. Remove the three screws (F) holding the Wheel
Covers (E) to the Bench Grinder.
4. Remove the Wheel Covers.
5. Place a small wooden wedge between the Abrasive
wheel and Tool Rest to prevent the wheels from
rotating.
6. Remove the right side grinding wheel by turning the
Iocknut (D) in the counterclockwise direction with a
13/16" hex wrench. The left side wire wheel can be
removed by turning the Iocknut in the clockwise
direction with a 13/16" hex wrench.
7. Remove the Outer Wheel Flange (C) and then
remove the abrasive wheel (B) from the arbor shaft (A).
8. CAUTION: The new abrasive wheel to be put onto
the Bench Grinder must be have a higher R.P.M
rating than the Bench Grinder. The abrasive wheel
must have a 6" diameter with a 1/2" bore diameter
for the arbor shaft. The label on the side of the abra-
sive wheels must stay on, DO NOT remove this label.
9. Replace the abrasive wheel, outer wheel flange, and
the Iocknut in reverse order from removal.
CAUTION: DO NOT OVER-TIGHTEN the lock nut as
this may damage the abrasive wheels and cause serious
injury to the operator.
CAUTION: A 4mm thick spacer is provided between the
Inner Wheel Flange and the motor on the Wire Wheel
side of the Grinder. This spacer must be used when a
Wire Wheel is to be mounted on the Grinder. The spacer
locates the Wire Wheel in the center of the Tool Rest.
Remove the spacer if you are using a Grinding Wheel.
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