Jet Tools JWBS-20 owner manual Assembly and Setup, Upper Bearing Guide Adjustment

Assembly and Setup

1.Attach the handle (A, Fig. 1) to the handwheel (B, Fig. 1).

2.Turn blade tension hand wheel (C, Fig. 1) counter-clockwise to tension blade and clockwise to loosen the tension. A gauge on the upper wheel slide bracket (D, Fig. 1) indicates the approximate tension according to the width of the blade. The JWBS-20 comes with a 1” blade so the tension should be set at 1”.

Note: It is easier to adjust the bearing guides before mounting the table.

Upper Bearing Guide Adjustment

WARNING

Disconnect machine￿from the power source,

unplug before making any adjustments! Blade teeth are sharp! Use care when working near the saw blade.

Failure to comply may cause serious injury!

1. Disconnect the machine from the power source, unplug.

2. Blade tension must be properly adjusted prior to bearing guide setup, see “Adjusting Blade Tension” page 13.

3. Adjust the back-up bearing (E, Fig. 2) so that it is 0.003” away from the back of the blade, about the thickness of a piece of paper. To make this adjustment loosen thumb screw (F, Fig. 2) and slide the bearing and bearing post into position. Tighten thumb screw.

4. Loosen the socket head cap screw (G, Fig.

3) and slide the bearing assembly until the bearing guides rest just behind the gullet of the blade teeth. You may need to readjust the back-up bearing.

5. Loosen the wing nut (H, Fig. 3) and turn the adjusting screw (I, Fig. 3) clockwise or counter-clockwise until the bearing is 0.003” away from the side of the blade, about the thickness of a piece of paper. Tighten wing nut.

6. Adjust the opposite side bearing.

7. Check to make sure the adjustments have not changed and the bearing guides do not pinch the blade.

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