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6
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
besetat1”.
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.