Grizzly G7945 User Manual download pdf (Page 29)

G7945/G7946 Radial Drill Press

-27-

Figure 22. Depth stop components.

Depth Nut

Jam Nut

Depth

Stop Stud

The Model G7945/G7946 has a depth stop that

allows you to drill repeated non-through holes to

the same depth every time.

Depth Stop

The depth stop consists of a stud attached to

the quill with two hex nuts that can be lowered

or raised on the stud so the lower nut (depth nut)

hits a stop bracket when the drill bit is lowered.

The upper hex nut (jam nut) is then used to tight

en against the depth nut to secure it in place so

it doesn't move with repeated operations. Figure

22 shows the various components of the depth

stop.

The return height nut, on the base of the stud, lim

its the downfeed handle return distance, which is

set by how high the nut is placed on the stud. This

feature is useful for repetitive drilling motions.

Depth Stop

To set the depth stop:

1. Lower the drill bit to the required height.

2. Thread the depth nut down against the stop

bracket.

3. Lower the jam nut against the depth nut.

4. Using wrenches, hold the depth nut in place

and tighten the jam nut against the depth

nut.

Stop

Bracket

The Model G7945 table can be adjusted for

height and angle. The G7946 table adds the

adjustments of table distance from column and

rotation.

Table Adjustments

Table Height

1. Loosen the table bracket clamp bolt (Figure

23). Turn the handle crank to lift or lower the

table.

2. Remember to lock the support bracket in

place before operating the machine.

Figure 23. Table height controls (G7945).

Handle

Crank

Table Bracket

Clamp Bolt

Return

Height Nut

To set the spindle return distance:

1. Lower the drill bit.

2. Thread the return height nut up the stud to

the desired height.

Note: The scale on the depth stop can be recali

brated if it gets moved or has changed since the

factory setting. Refer to Calibrating Depth Stop

on Page 35 for instructions on how this is done.

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Grizzly G7945 User Manual Page 29

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