Grizzly T1239, Owner'S Manual, Page: 14 / 20

Model T1239 (Mfd. Since 09/17) -12
-
3. Connect machine to power.
4.
Pull ON/OFF trigger (see
Figure 13)
to turn machine ON.
Tip: ON/OFF trigger is locked in
place by pressing lock button (see
Figure 13) inward while sander is
running. Disengage lock by pulling-in
and releasing ON/OFF trigger.
5.
Adjust variable-speed dial (see
Figure 13) to desired sanding head
speed.
Figure 13. Sander controls.
Variable-
Speed Dial
ON/OFF
Trigger
Lock
Button
6. Move sanding head lightly back-and-
forth across drywall tape seam to
evenly sand workpiece, being careful
to not apply too much pressure.
7. Complete sanding operation and turn
sander
OFF by releasing ON/OFF
trigger.
Sanding Positions
The round sanding head is designed for
exposed drywall seams in the center of
walls or ceilings, as shown in
Figure 14.
The triangular sanding head is designed
for inside corners of walls and ceilings, as
shown in
Figure 15.
Figure 14. Typical round pad sanding.
Figure 15. Typical triangular pad sanding.
Triangular
Pad
Round
Pad
Eye injuries, respiratory problems,
or hearing loss can occur while
operating this tool. Wear personal
protective equipment to reduce
your risk from these hazards.