Installing/Removing Drill Bit; Adjusting Depth Stop - Grizzly T33903 Owner's Manual

Installing/Removing
Drill Bit
Any drill bit you install in the chuck must be
tight enough that it will not come loose during
operation.
Item Needed
Chuck Key ......................................................... 1
Rag ................................................................... 1
Installing Drill Bit
DISCONNECT MACHINE FROM POWER!
1.
Open drill chuck wide enough to accept
2.
shank of drill bit.
Insert drill bit as far as possible into chuck
3.
WITHOUT allowing chuck jaws to touch
fluted portion of bit, then hand-tighten chuck.
Note: Make sure small bits are not trapped
between edges of two jaws; if they are, re-
install drill bit or it will not be secure enough
to use for drilling.
Tighten chuck firmly with chuck key (see
4.
Figure 35), then remove chuck key from
chuck.
Figure 35. Example of tightening chuck with
chuck key.
Removing Drill Bit
DISCONNECT MACHINE FROM POWER!
1.
Use chuck key to open drill chuck, and catch
2.
drill bit with rag to protect your hands.
-30-
The Model T33903/T33904 has a depth stop that
allows you to drill repeat non-through holes to the
same depth every time. The scale on the front of
the depth stop shows the depth in inches.
Qty
The depth stop consists of a threaded rod
attached to the quill with a depth stop nut that
can be lowered or raised against a stop bracket
to control drilling depth. Figure 36 shows the
various components of the depth stop.
Quick-Release
Button
Stop Bracket
Figure 36. Depth stop components.
To adjust depth stop:
Lower drill bit to required height.
1.
Thread depth stop nut down against stop
2.
bracket.
Tip: Press quick-release button on depth
stop nut to quickly adjust nut up or down on
rod.
Note: Scale on depth stop can be calibrated
if it gets moved or has changed since the fac-
tory setting. Refer to Calibrating Depth Stop
on Page 43 for instructions on how this is
done.
Model T33903/T33904 (Mfd. Since 07/23)
Adjusting
Depth Stop
Depth Stop
Threaded Rod
Nut
w/Scale