Grizzly G1006 User Manual download pdf (Page 21)

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The spring tension for automatic quill recoil

has been pre-set at the factory. It should not

need adjustment under most normal circum-

stances. If it does need adjustment, the spring

housing is located on the left side of the head.

To adjust the spring tension:

1. Loosen black thumb knob, located in the

center of the spring housing, by only two or

three turns.

Return Spring Tension

When you turn the handwheels to adjust the posi-

tion of the table, you will notice slight play in the

handwheel before the table begins to move. If

this play exceeds 0.010" (measured with the dial

at the base of each handwheel), then you will

need to adjust the leadscrews.

To adjust the Y-plane leadscrew:

1. Access the underside of the base through

the hole in the bench under the base.

2. Locate the adjuster midway along the lead-

screw, inside the base.

3. Tighten the Allen

®

head setscrew on the

adjuster.

4. Test the adjustment by turning the front

handwheel. You should detect less than

0.010" of play.

To adjust the X-plane leadscrew:

1. Locate the longitudinal leadscrew adjuster

under the middle of the table. The Allen

®

head on the adjustment screw faces to the

right.

2. Tighten the adjustment screw with a long

Allen

®

wrench.

3. Test the adjustment by turning one of the

side handwheels. You should detect less

than 0.010" of play.

These adjusters may require you to fabricate

extensions for your hex wrenches. Make adjust-

ments in small increments. Over-tightening can

add unnecessary wear to both the leadscrews

and the adjusters.

Table Leadscrews

The spring’s tail is located on the perimeter

of the spring housing. This part may be

sharp! Use leather gloves or a heavy shop

towel to cover the tail while loading or

unloading return spring pressure. Failure

to use such precautions will results in per-

sonal injury.

2. Pull the spring cover out a little bit so the

notches just clear the roll pin. Hold the

spring cover tightly or the force of the

spring will make it spin out of control.

3. Rotate the cover to adjust the tension.

Push the cover back in to engage the roll

pin in one of the notches.

4. Tighten the black thumb knob.

Do not completely remove the cover! If you

remove the spring cover, the spring will

uncoil rapidly, probably cause injury, and

be nearly impossible to put back together.

G1006/G1007 Mill/Drill

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