Installing/Removing Tooling - Grizzly G0781 Owner's Manual

Installing/Removing
Tooling
The Model G0781 includes a 3–16mm drill chuck
with an R-8 arbor (see Figure 19). The R-8 arbor
is precision-ground, and features a tool slot for
easy, secure alignment in the mill/drill spindle.
The tapered R-8 arbor end joins securely with the
drill chuck to support tooling from 3–16mm.
Key Slot
Figure 19. 3–16mm drill chuck joined with R-8
arbor.
Installing Tooling
Tools Needed
Spindle Pin ........................................................ 1
Wrench 10mm ................................................... 1
To install tooling:
1. DISCONNECT MACHINE FROM POWER!
2. Remove drawbar cap and motor cover.
Motor Cover
Drawbar Cap
Figure 20. Drawbar cap and motor cover.
3. Align key slot (see Figure 19) with pin inside
spindle, then insert tooling assembly into
spindle until it contacts drawbar.
Model G0781 (Mfd. Since 2/15)
4. Working from above, thread drawbar (by
hand) into tooling assembly until snug.
5. Secure spindle with spindle pin and tighten
drawbar, as shown in Figure 21.
Note:
Overtightening makes tool removal difficult
and may damage arbor and threads.
6.
Re-install drawbar cap and motor cover.
Drawbar
Figure 21. Components used when installing or
Removing Tooling
Qty
Tools Needed
Spindle Pin ........................................................ 1
Wrench 10mm ................................................... 1
Brass Hammer .................................................. 1
To remove tooling:
1. DISCONNECT MACHINE FROM POWER!
2. Remove drawbar cap and secure spindle
with spindle pin. Unthread drawbar from tool-
ing one full rotation.
Note: Do not fully unthread tooling from
drawbar or the drawbar and tool threads
could be damaged in the next step.
3. Tap top of drawbar with brass hammer to
unseat taper.
4. Hold onto tooling assembly with one hand,
and fully unthread drawbar with the other
hand.
Do not overtighten
Spindle Pin
removing tooling.
drawbar.
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