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1. Be sure the guard assembly is securely attached to the gear
case.
2. Put the backing flange (F) onto the
tool spindle as shown.
3. Check rated speed on depressed
center wheel. Never use wheel with
rated speed lower than the recom-
mended accessory speed on the
nameplate of the tool.
4. Place the depressed center wheel
(H) on the tool spindle as shown.
5. Thread the threaded clamp nut (G)
on tool spindle as shown. Hold the
tool spindle by engaging the spindle
lock pin, and tighten clamp washer
with wrench (I).
SURFACE GRINDING WITH GRINDING WHEELS
Using Type 27 Wheels:
1. Allow the tool to reach full speed before touching the tool to the
work surface.
2. Apply minimum pressure to the work surface, allowing the tool
to operate at high speed. Grinding rate is greatest when the tool
operates at high speed.
3. Maintain a 20˚ to 30˚ angle between
the tool and work surface.
4. Continuously move the tool in a
forward and back motion to avoid
creating gouges in the work surface.
5. Remove the tool from work surface before turning tool off. Allow
the tool to stop rotating before laying it down.
You may locate the guard to any convenient angle as long as
the guard skirt is located between the operator and the acces-
sory. Insert and tighten screws to secure guard in place. You
should not be able to rotate guard by hand.
3. To rotate the guard, loosen the screws clamping the guard to
the tool and rotate as desired. Tighten screws to secure the
guard in place.
4. To remove the guard, loosen and remove screws.
NOTE: Edge grinding and cutting can be performed with Type 27
wheels designed and specified for this purpose; 1/4" thick wheels
are designed for surface grinding while 1/8" wheels are designed
for edge grinding.
MOUNTING AND REMOVING HUBBED WHEELS
CAUTION: Turn off and unplug the tool before making any
adjustments or removing or installing attachments or acces-
sories. Before reconnecting the tool, actuate and release
switch to ensure that the tool is off.
Hubbed wheels install directly on the 5/8" – 11 threaded spindle.
1. Thread the wheel on the spindle by hand.
2. Depress the spindle lock button and use a wrench to tighten the
hub of the wheel.
3. Reverse the above procedure to remove the wheel.
CAUTION: Failure to properly seat the wheel before turning the
tool on may result in damage to the tool or the wheel.
MOUNTING NON-HUBBED WHEELS
CAUTION: Turn off and unplug the tool before making any
adjustments or removing or installing attachments or acces-
sories. Before reconnecting the tool, actuate and release
switch to ensure that the tool is off.
Depressed center, Type 27 grinding wheels must be used with
included flanges. See page 5–6 of this manual for more information.
F
H
G
I
20˚-30˚
English
8