Woodstock M1049 Manuel d'utilisateur télécharger pdf (Page 22)

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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.

Replacing Jaws

=`^li\13% Chuck and jaw selection.

=`^li\14% Jaw guide number.

Jaw Numbers

Jaw Guide #1

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

Lead Thread

1 2 ... 17 18 19 20 21 22 23 24 25 26 27 ... 63 64

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Woodstock M1049 Manuel d'utilisateur Page 22