Blade Tension

Blade tension is set with the blade tension handwheel (A, Fig. 19) and is performed following blade replacement and periodically as the blade stretches from use.

Disconnect machine from power source before making any adjustments.

Referring to Figure 19:

1.Place the mode selection lever (F) in the Full Tension position (see Figure 18).

2.Set the blade tension by rotating the handwheel (A) according to the arrow directions shown in Figure 19.

The gauge (B) indicates the approximate tension according to the width of the blade in inches. Initially, set the blade tension to correspond to the width of your blade.

The JWBS-18QT comes with a 3/4" blade so the tension should be set at 3/4" when using this blade.

The JWBS-20QT comes with a 1" blade so the tension should be set at 1" when using this blade.

Note: For the JWBS-18QT the tension gauge can also be seen from the front of the saw through the wheel when the upper door is open.

As you become familiar with the saw, you may find it necessary to change the blade tension from the initial setting.

Keep in mind that too little or too much blade tension can cause blade breakage and/or poor cutting performance.

Tip: When the band saw is not being used, place the mode selection lever (J, Fig. 18) to the Partial Tension position – this will prolong the blade’s life.

Blade Tracking

Tracking refers to the position of the saw blade on the wheels while the machine is in operation. Tracking has been factory-adjusted. However, it should be checked occasionally, including after every blade change.

Disconnect machine from power source before making any adjustments.

Important: The blade must be in Full or Partial Tension positions before adjusting blade tracking (see previous section). Make sure the blade guides and other parts of the machine will not interfere with the movement of the blade.

To inspect and adjust tracking, proceed as follows:

Figure 19

1.Open upper front door to expose the wheel. Rotate the wheel clockwise by hand and observe the position of the blade on the wheel through the window (E, Fig. 19). The blade should ride upon the center of the wheel as shown in Figure 20.

2.If the blade tends to move toward the edge of the wheel, loosen the wing nut (D, Fig. 19) and slightly rotate the knob (C, Fig. 19). Rotating the knob clockwise will cause the blade to move toward the rear edge of the wheel. Rotating the knob counterclockwise will cause the blade to move toward the front edge of the wheel.

Note: This adjustment is sensitive; perform it in small increments and give the blade time to react to the changes as you continue to rotate the wheel.

3.When the blade is tracking properly in the center of the wheel, re-tighten the wing nut (D, Fig. 19).

4.Close the upper front door.

Figure 20

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Jet Tools 20QT-5, JWBS-18QT, 20QT-3, JWBS-20QT, 18QT-3 operating instructions Blade Tension, Blade Tracking
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JWBS-20QT, 18QT-3, JWBS-18QT, 20QT-5, 20QT-3 specifications

Jet Tools has long been recognized as a reliable name in the woodworking and metalworking industries, offering a variety of high-quality tools tailored for both professional craftsmen and enthusiastic hobbyists. Among their product range, the Jet Tools 20QT-3, 20QT-5, JWBS-18QT, 18QT-3, and JWBS-20QT stand out due to their innovative features, technologies, and stellar performance.

The Jet Tools 20QT-3 and 20QT-5 are notable for their robust cast iron construction, ensuring stability and durability while handling heavy workloads. The 20QT-3 model comes equipped with a powerful 2 HP motor, providing ample performance for a variety of applications. It also features a versatile tilting blade system allowing precise angles for your cuts. Meanwhile, the 20QT-5 offers an enhanced motor capacity, boasting a 3 HP motor, further increasing its efficiency and capability in demanding tasks. Both models feature a large capacity of 20 quarts, ideal for extended projects where consistent performance is key.

The JWBS-18QT is another gemstone in Jet's lineup, designed specifically for woodworkers needing precision and control. With an 18-inch throat capacity, it accommodates larger workpieces with ease. Its heavy-duty construction minimizes vibration, leading to more accurate cuts. The JWBS-18QT incorporates Jet’s exclusive blade tracking technology, which ensures optimal blade alignment and reduces wear, improving the lifespan of the blade.

In addition to the 18QT, Jet offers an enhanced version, the JWBS-20QT. This model boasts a superior throat depth of 20 inches, allowing even more versatility for larger projects. It includes advanced features like an easy-to-use quick-release blade tension, making blade changes faster and more convenient, and an integrated dust collection port that helps to keep your workspace clean and free of debris.

The 18QT-3 model focuses on performance in a compact package, providing portability without sacrificing quality. It incorporates a sturdy base and adjustable height settings that allow it to adapt to various work environments, making it an excellent choice for smaller workshops or job sites.

In summary, the Jet Tools 20QT-3, 20QT-5, JWBS-18QT, 18QT-3, and JWBS-20QT represent the pinnacle of woodworking machinery. Their combination of durability, advanced technology, and user-friendly features make them ideal for both professionals and serious enthusiasts looking to achieve exceptional results. With Jet Tools, you can be assured of high performance and reliability in every project.
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