Manuals / Jet Tools / Power Tools / Cordless Sander

Jet Tools J-4200A-2, J-4400A, J-4401A Machine setup, Basic setup, Disc table angle adjustment

Models: J-4301A J-4300A J-4202A J-4401A J-4400A J-4200A-2 J-4200A

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Figure 14: Loosening pulley set screws to allow the adjustment of pulley on arbor shaft.

8.0Machine setup

8.1Basic setup

1.Position the machine where it will be located on the shop floor. When positioning the machine, consider the type of work which will be done on it so you allow sufficient room not only for the workpieces, but also for service to the machine.

2.Open the door in the base of the machine and, using the holes in the base as a template, mark the floor for the position of the hold-down bolts.

3.Move the machine to expose the hold-down bolt marks and install anchors for the hold-down bolts.

4.Put the machine back over the hold-down anchors and bolt the machine securely to the shop floor. THIS MUST BE DONE FOR SAFE OPERATION OF THE MACHINE.

5.Establish an electrical service connection to the machine. This will vary according to the model purchased. ALL ELECTRICAL CONNECTIONS SHOULD BE MADE BY A QUALIFIED ELECTRICIAN WHO IS FAMILIAR WITH YOUR STATE AND LOCAL CODES. Many models of these machines make use of high voltages which pose a significant risk of serious injury or DEATH if proper knowledge and precautions are not used. Electrical instructions are included in section 9.0 Electrical connections.

6.Machines with belts are shipped with the belts in slack condition. During the electrical hookup phase of machine setup, the belt will have to be tightened and checked for tracking. See the Belt Replacement section for instructions on this procedure.

8.2Disc table angle adjustment

1.Disconnect power to the machine to prevent accidental start-ups.

2.Loosen the table locking knobs on either end of the table.

3.Using a machinist's square against the table and disc, set the table at exactly 90° to the disc (See Figure 15).

4.Tighten the table locking knobs.

5.Check the pointer. If it is not exactly on the zero mark, loosen the pointer attaching screw, adjust the pointer, and retighten the screw.

6.Reconnect the power to the machine.

Figure 15: Using a square to check the disc table scale.

8.3Disc table miter parallelism adjustment

1.Disconnect power to the machine to prevent accidental start-ups.

2.Set the table angle to zero.

3.Place a scale or adjustable machinist's square against either the left or right edge of the disc face and measure the distance to the miter slot edge (See Figure 16).

Figure 16: Using an adjustable square to set the table parallelism.

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Jet Tools J-4200A-2 Machine setup, Basic setup, Disc table angle adjustment, Disc table miter parallelism adjustment
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J-4301A, J-4300A, J-4202A, J-4401A, J-4400A specifications

Jet Tools is a renowned name in the woodworking and metalworking industries, known for delivering high-quality machinery and tools. Among their notable products are the J-4200A, J-4200A-2, J-4400A, J-4401A, and J-4202A, all of which exhibit excellent craftsmanship and innovative features.

The Jet J-4200A is a well-regarded 6-inch jointer designed to give woodworkers precision and versatility. It features a heavy-duty cast iron table that offers stability and reduces vibration during operation. The 1-horsepower motor provides ample power for jointing hardwoods, while the easy-to-adjust fence ensures accurate jointing angles up to 45 degrees. The combination of a built-in dust port and a smooth operation makes it a favorite among professionals and hobbyists alike.

The J-4200A-2 takes the functionality of the J-4200A up a notch by including an upgraded 2-horsepower motor. This increased power allows for smoother operation and the capability to handle larger workpieces with ease. The J-4200A-2 also features an improved blade set that enhances cutting efficiency, allowing users to achieve finer finishes with less effort.

On the larger end of the spectrum, the Jet J-4400A serves as a robust 8-inch jointer that combines additional surface area with heavy-duty construction. This model features a precision-ground cast iron table and an extra-long bed, allowing for exceptional control over larger projects. The J-4400A's powerful 1.5-horsepower motor, complemented by its impressive feed rate, makes it ideal for serious woodworkers looking to take on demanding tasks.

The J-4401A, another variant in this lineup, boasts similar features to the J-4400A but introduces a unique spiral cutterhead. This innovative technology reduces noise and vibration, providing a smoother finish while extending the life of the blades. This model is especially appreciated by those who frequently work with various types of wood, as it minimizes tear-out and produces cleaner cuts.

Finally, the Jet J-4202A is designed as a versatile machine for both jointer and planer applications. It offers a space-saving solution for workshops where floor area is a concern. With its dual functionality, the J-4202A allows users to switch between operations seamlessly, emphasizing Jet's commitment to innovation and practicality in woodworking machinery.

In summary, the Jet Tools J-4200A series stands out for its combination of powerful motors, durable construction, and precision engineering. Each model is built to cater to the varying needs of woodworkers, ensuring that performance, versatility, and user-friendliness are at the forefront of their design. By integrating technology and thoughtful features, Jet Tools continues to support the craftsmanship of woodworking enthusiasts and professionals alike.