Jet Tools J-4401A, J-4400A, J-4300A Electrical connections, Adjusting or replacing the platen

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Figure 20: Location of adjustment (socket head) screws and pointer attachment screw for table angle adjustment.

Figure 21: Locations of stop lugs and stop bracket for zero and 45° table positions.

8.7Adjusting or replacing the platen

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

2.Remove the top cover, side guard and belt as outlined in section 7.1, Belt replacement.

3.Remove the table by unscrewing the locking handling and lifting the complete table assembly, from the machine.

4.If you are replacing the platen, remove the three screws that hold it to its mount -- then install the new platen and replace the mounting screws finger tight.

5.If you are only adjusting the platen, loosen the three mounting screws to allow adjustment.

6.Using a straight edge as shown in Figure 22, adjust the platen height until it is 1/32 inch higher than the crown of both the drive and idler drums.

7.Tighten the platen adjustment screws.

8.Reinstall the table and belt.

9.Check and adjust, if necessary, the tracking of the belt according to instructions in section 7.1, Belt replacement.

10.Reinstall the guards and covers.

11.Check and adjust the table angles and miter slot squareness according to table adjustment instructions in this manual.

12.Reconnect the electrical power to the machine.

Figure 22: Method for adjusting height of platen above drive and idler drums.

9.0Electrical connections

Caution: JET sanders are available in a wide variety of electrical configurations to meet the needs of the purchaser with respect to power available and compliance with electrical codes. Each machine is tested at the factory for operation before shipment and the power cord is tagged with the power requirements for the machine, as shipped. HOWEVER, before attempting any electrical hookup, you should be certain:

1.The electrical characteristics of the service branch match the requirements of the motor.

2.The service branch is equipped with wires of the required gauge or size.

3.The branch circuit intended for the machine is protected with a time delay fuse or circuit breaker with rated amperage just slightly greater than the full load current of the motor.

MOTOR AMPERAGE full load current

Phase

Voltage

Amperage

1

115

20

1

220

10

3

220

5.2

3

440

2.6

15

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Contents Models J-4200A 4300A 4400A 4200A-2 4301A 4401A 4202A Walter Meier Manufacturing IncPart No. M-414551 More Information Warranty and ServiceTable of contents Safety Warnings General CautionsGeneral Machinery Warnings Wire Sizes Safety Requirements for Abrasive Sanding MachinesGeneral Electrical Cautions Machine and Manual Overview Specifications Model Stock NoDisc/Belt Sander Disc Sander Operating instructions Adjusting the belt sander tableUsing the indexing lock handle Adjusting the belt sander armUse of the Miter Gauge Adjusting disc sander tableTo adjust to horizontal To adjust arm to any angle between vertical and horizontalMaintenance Belt replacementTrack mechanism maintenance Replacing the v-belt Installing abrasive discsRotating the machine casting to remove the disc guard bolts Disc table miter parallelism adjustment Machine setupBasic setup Disc table angle adjustmentDisc table gap adjustment Belt table miter slot parallelism adjustmentBelt table angle adjustment Electrical connections Adjusting or replacing the platenVoltage conversion Single phase electrical hookupThree phase electrical hookup Motor rotationSymptom Possible Cause Correction TroubleshootingModel J-4200A Belt and Disc Sander Assembly Exploded View Replacement partsIndex No Description Size Qty Model J-4200A Belt and Disc Sander Assembly Parts ListShss Model J-4300A Belt Sander Assembly Exploded View Shcs Model J-4300A Belt Sander Assembly Parts List300x7.5mm,t=2mm Model J-4400A Disc Sander Assembly Exploded View Model J-4400A Disc Sander Assembly Parts List Base Assembly All 1 Phase Models Exploded View Description Size Qty Base Assembly All 1 Phase Models Parts ListBase Assembly All 3 Phase Models Exploded View Base Assembly All 3 Phase Models Parts List Electrical schematic single phase Electrical schematic 3 phase New Sanford Road LaVergne, Tennessee Phone

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.
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