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Model T10828 (Mfd. since 12/14)-8-
SECTION 4: OPERATIONS
Failure to wear safety glasses
while operating the grinder could
cause serious personal eye injury.
The Model T10828 uses bits and cutters
with a
1
⁄8" diameter shaft. See the Grizzly
catalog or website for a complete listing of
available bits and accessories.
To install a bit:
1. DISCONNECT TOOL FROM POWER!
2. Press spindle lock and rotate collet nut
until spindle locks (see Figure 5).
3. Loosen collet nut by turning counter-
clockwise.
NOTE: DO NOT completely remove
collet nut from shaft.
DO NOT use bits or cutters with a
cutting surface larger than 1". The
bit could break apart under the
stresses of high speed use caus-
ing serious personal injury.
4. Insert bit shank into collet.
Note: At least
1
⁄2" of bit shank should be
mounted into end of collet.
5. Hand-tighten collet nut while pressing
spindle lock button to secure bit.
6. Tighten
1
⁄3 of a turn with collet wrench.
DO NOT over tighten.
Figure 5. Loosening collet nut by pressing
spindle lock and turning Counterclockwise
w/wrench.
Spindle Lock
Collet Nut
Installing Bits
Operating Rotary Tool
Low RPM's are best for grinding and cut-
ting materials that have low melting points.
Plastics in particular often melt from the
heat generated by high-speed bits. Low
RPM's are also best for polishing and buff-
ing with the felt accessories included.
The Model T10828 is best suited for high-
RPM, low-torque applications. Most opera-
tions performed with the tool will perform
best at higher RPM settings; however,
slower RPM settings are ideal when work-
ing with plastics that melt easily.
High RPM Uses
High RPM's are best for general carving,
cutting, routing, and grinding. The grinder
removes material quicker at higher RPM's.
Low RPM Uses