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Adjusting Blade Tension
1. Disconnect machine from the power
source, unplug.
2. Turn blade tension hand wheel (A, Fig. 18)
counter-clockwise to tension blade, and
clockwise to loosen the tension. A gauge on
the upper wheel slide bracket (B, Fig. 18)
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” when using this blade.
• As you become familiar with the saw, you
may find it necessary to change the blade
tension from the initial setting. Changes in
blade width, and the type of material being
cut will have an effect on blade tension.
• Keep in mind that too little, or too much
blade tension can cause blade breakage
and/or poor cutting performance.
Adjusting Blade Tracking
WARNING
Disconnect machine from the power source!
Never adjust blade tracking with the
machine running!
Failure to comply may cause serious injury!
Note: Blade tracking has been adjusted at the
factory. If, however, it is determined that blade
tracking needs adjustment, make this
adjustment with knob (C, Fig. 19).
Do not use knobs (D, Fig. 19). They are used
by the factory for wheel alignment not tracking.
1. Disconnect the machine from the power
source.
2. Blade must be properly tensioned before
adjusting blade tracking. Make sure upper
and, lower bearing guides do not interfere
with the blade while adjusting the tracking.
3. Open upper wheel door. Rotate the wheel
forward, and observe the position of the
blade on the wheel. The blade should rest
in approximately the center of the wheel.
4. If adjustment is necessary, loosen the wing
nut (E, Fig. 19) at the top rear of the saw.
5. Adjust tracking by turning the knob (C, Fig.
19) in 1/4 turn increments. Rotate the wheel
forward, and observe the position of the
blade on the wheel. Rotating knob (C, Fig.
19) counter-clockwise should move the
blade towards the front of the wheel.
Rotating the knob (C, Fig. 19) clockwise
should move the blade towards the back of
the wheel.
6. Continue with adjustments until the blade is
tracking properly.
7. Tighten the wing nut (E, Fig. 19) after blade
is tracking in the center of the wheel.