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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 installing accessories.
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Installing a Non-threaded Grinding Wheel
1.The Grinding Wheel MUST be:
•rated to at least 7800 RPM.
•no larger than 7″ (178 mm) in diameter.
•fitted with a 7/8” round arbor hole.
•1/4” (6mm) thick or less.
•suitable for surface grinding, not edge grinding.
•dry and clean.
•proven undamaged by inspection and by the
2.Press in and hold the Spindle Lock Button to prevent the Spindle from turning.
3.Remove the Outer Flange. Keep the Inner Flange in position on the Spindle.
4.Closely inspect the Grinding Wheel before mounting.
Perform a
a.Suspend wheel using a dowel or finger through the arbor hole.
Hang | 45° | 45° |
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Wheel |
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from |
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Dowel |
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| C |
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| A |
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| L |
Tap |
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Wheel |
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Here |
| C |
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| E |
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| N |
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| T |
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| E |
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| R |
| 45° | 45° |
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.For wheels with paper gaskets (blotters) or metal gaskets: Slip the grinding wheel onto the Spindle with the gasket first. The gasket should be centered on the grinding wheel and the wheel and gasket should rest flat against the Inner Flange.
WARNING: To prevent serious injury, gaskets must be used for all grinding wheels they are provided with. Gaskets help prevent grinding wheel damage and wheel slippage, causes of wheel failure.
6.Thread the Outer Flange onto the Spindle. Wrench tighten only enough so that the wheel is securely held on the spindle.
WARNING: To prevent serious injury,
do not overtighten flange. Overtightening can damage the wheel, causing wheel failure.
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).
Page 14 | For technical questions, please call | Item 69454 |