Tool Set Up - Chicago Electric 68221 Owner's Manual & Safety Instructions

Operating Instructions
Read the ENTIRE IMpORTANT SAFETy INFORMATION section at the beginning of this
manual including all text under subheadings therein before set up or use of this product.

Tool Set Up

TO pREVENT SERIOUS INJURy FROM ACCIDENTAL OpERATION:
Turn the power Switch of the tool off and unplug the tool from its electrical outlet
before performing any procedure in this section.
TO pREVENT SERIOUS INJURy:
DO NOT OpERATE WITH ANy GUARD DISABLED, DAMAGED, OR REMOVED.
Installing the Grinding Wheel
1. The Grinding Wheel MUST be:
• rated to at least 5,000 RPM.
• no larger than 4-1/4" in diameter.
• fitted with a 7/8" round arbor hole.
• 1/8" thick or less.
• dry and clean.
• proven undamaged by inspection and
by the ring-test explained below.
2. Remove Grinding Wheel Cover.
3. Remove the Outer Flange by turning it
counterclockwise, then remove the Grinding Wheel.
Outer
Flange
Grinding
Wheel
Spindle
Inner
Flange
Arbor
Figure D
4. Closely inspect the wheel before mounting.
Perform a ring-test on the wheel (unless wheel is
smaller than 4" or is an unusual shape) as follows:
a. Suspend wheel using a dowel or
finger through the arbor hole.
Page 8
Screws
Grinding
Wheel Cover
For technical questions, please call 1-888-866-5797.
Hang
Wheel
from
Dowel
Tap
Wheel
Here
b. Tap the flat side of the wheel with a light
non-metallic object, such as a screwdriver
handle, at a point 45° from the vertical center
line on each side of the wheel and 1 – 2 inches
from the edge of the wheel (see Illustration).
c. Rotate the wheel 90° and repeat the test
until the entire wheel has been checked.
d. An undamaged wheel will
give a clear tone. If cracked, there will be
a dead sound and not a clear ring.
5. Place the Grinding Wheel on the Arbor, then
thread the Outer Flange onto the Spindle.
Wrench tighten only enough so that the
wheel is securely held on the spindle.
6. Replace the Grinding Wheel Cover.
WARNING: To prevent serious injury,
do not overtighten flange. Overtightening can
damage the wheel, causing wheel failure.
45° 45°
V
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R
T
I
C
A
L
C
E
N
T
E
R
45° 45°
Item 68221