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MAINTENANCE
GRINDING WHEELS
The use of accessories and
attachments not recommended by
DELTA
®
may result in a risk of injury.
Grinding wheels used with this grinder should be rated
for 3600 RPM or higher and have a width of 1" . Grinding
wheels for the DELTA
®
23-198 must be 6" in diameter
with a ½" arbor hole. Grinding wheels for the DELTA
®
23-199 must be 8" in diameter with a 5/8" arbor hole.
Using a wheel that is less than ¾"
wide for the 6 in. grinder, or 1" wide
for the 8 in. grinder, will cause vibration and could
damage the machine.
ALWAYS maintain a distance of 1/8" or
less between the grinding wheel and the
tool rest. Adjust the tool rests and spark guards as the
grinding wheels decrease in size with use.
FIGURE 8
DRESSING THE WHEELS
The DELTA
®
23-198 comes with one 6" aluminum oxide
grinding wheel (gray) and one 6" composite grinding
wheel (white). The DELTA
®
23-199 comes with one
8" aluminum oxide grinding wheel (gray) and one 8"
composite grinding wheel (white). For best results, and
to properly maintain the grinding wheels, follow these
recommendations:
1. Keep the wheels properly dressed.
2. Do not force the work against a cold wheel. Always
run the grinding wheel for one full minute before
applying a workpiece.
3. Use only balanced wheels with your grinder. Using
balanced wheels adds years to the life of the
bearings on the grinder. By eliminating the most
common source of vibration, your grinding projects
will be more accurate.
Your DELTA
®
23-198 (6 in.) Grinder or 23-199 (8in.)
Grinder come with a diamond-based wheel dresser
included. There is on-board storage for the dresser at
the rear of the machine for easy access. Use this tool
or any other suitable stick-type dresser to keep your
grinding wheels clean and square.
To dress the wheel, refer to Figure 8 and do the
following:
1. Bring the dresser (A) forward on the tool rest until it
just touches the high point on the face of the wheel.
2. Dress the wheel by moving the dresser back forth.
3. Repeat this operation until the face of the grinding
wheel is clean and the edges are square.