Woodstock M1049 manual Replacing Jaws, To remove a set of jaws, do these steps

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Replacing Jaws

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The three-jaw scroll chuck has removable hardened steel jaws (Figure 13). The outside of the jaws are used to hold the workpiece from the outer diameter.

Numbered from 1–3, the jaws must be used in the matching numbered jaw guides, see Figure 14.

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To remove a set of jaws, do these steps:

1.DISCONNECT POWER TO THE LATHE!

2. Place a piece of wood over the ways to protect them from potential damage.

3. Turn the chuck key counterclockwise and back the jaws out.

4. Clean the jaw mating surfaces and apply a film of white lithium grease to the mating surfaces.

5. Set the old jaws aside in a safe place free of moisture and abrasives.

6.Rotate the chuck key clockwise until you see the tip of the scroll-gear lead thread just begin to enter jaw guide #1 (see Figure 15).

7.Insert jaw #1 into jaw guide #1 and hold the jaw against the scroll gear.

8.Rotate the chuck key clockwise one turn to engage the tip of the scroll-gear lead thread into the jaw. Pull on the jaw now and it should be locked into the jaw guide.

9. Repeat the steps on the remaining jaws.

•If installed correctly, all three jaws will converge together at the center of the chuck.

•If the jaws do not come together, repeat this procedure until they do.

=`^li\13% Chuck and jaw selection.

Jaw Numbers

Jaw Guide #1

=`^li\14% Jaw guide number.

Lead Thread

=`^li\15% Lead thread on scroll gear.

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