2.Insert the two M10x25 socket head cap screws (AA), with two M10 flat washers (EE), through the fence base and into the threaded holes on the pivot plate, as shown in Figure 9.

3.Tighten the screws with an 8mm hex wrench.

4.Check that the gap between fence and sanding belt is about 1/16”. If it is greater than 1/16”, loosen (do not remove) the four screws on the sides of the fence assembly with a hex wrench, and push the fence toward the belt until the proper gap is attained.

5.Re-tighten the four screws.

See under “Adjustments” for further instruction on adjusting the fence.

Installing Abrasive Disc

Refer to Figure 10:

1.Loosen the two screws on the front panel with a 10mm wrench, and pull out on the front panel. The front panel will not remove from the sander, but this will allow more room for positioning the abrasive disc.

2.Remove the backing from the abrasive disc to expose the adhesive, and carefully center it on the sander’s metal disc. Press the abrasive disc firmly, working from the center out to prevent creases or air bubbles.

3.Tighten the two screws on the front panel.

When removing an old abrasive disc, use mineral spirits or a similar cleaning product to remove any residual adhesive from the sander’s metal disc before installing a new abrasive.

Installing Table

Refer to Figure 11:

1.On both sides of the sander body, loosen the locking wheels (A), and pull the trunnion holders (B) out far enough to allow clearance between trunnion holders and sander body.

2.Install the table by sliding the table trunnions into the slots of the trunnion holders. See Figure 11 inset. Be careful not to damage the angle pointer on the left trunnion holder.

3.Slide the trunnion holders (B) back in, and re-tighten the locking wheels (A).

See under “Adjustments” for further instruction on adjusting the table.

Figure 9

Figure 10

Figure 11

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Powermatic 31A operating instructions Installing Abrasive Disc, Installing Table

31A specifications

The Powermatic 31A is a high-performance 12" planer that has become a favorite among woodworkers and craft enthusiasts alike. Renowned for its powerful features and robust design, the 31A stands out in the woodworking community for its ability to deliver precision and efficiency in planing wood.

One of the key features of the Powermatic 31A is its 3 HP motor, which provides ample power for handling a wide range of hardwoods and softwoods. The motor is designed to run smoothly and quietly, reducing vibration during operation, which is essential for achieving fine finishes. The combination of power and stability allows users to tackle even the most challenging jobs with ease.

The machine is equipped with a 12" wide cutter head that utilizes four high-speed steel knives, which are known for their superior cutting capabilities. This allows for a smooth, even finish and reduces the amount of sanding required afterward. The adjustable infeed and outfeed tables are another notable feature, providing support for long workpieces and ensuring accuracy throughout the planing process.

In addition to its mechanical prowess, the Powermatic 31A boasts a quick elevation mechanism that allows users to make rapid adjustments to the height of the cutter head. This feature enhances efficiency and allows for easy transitions between different thicknesses of wood. The inclusion of a hinged cover also allows for quick access to the cutter head for maintenance and knife replacement, minimizing downtime.

The built-in dust collection system is another notable characteristic of the Powermatic 31A. This system helps to keep the workspace clean and safe by efficiently removing sawdust and debris, thereby ensuring that the work environment remains tidy and reducing the risk of respiratory issues caused by wood dust.

Moreover, the heavy-duty cast iron construction of the Powermatic 31A enhances its stability during operation, contributing to a better cutting experience. The robust design also ensures longevity, making it a reliable choice for both professional woodworkers and hobbyists.

With precision engineering and advanced technologies, the Powermatic 31A melds power and functionality, making it an indispensable tool for anyone serious about woodworking. Whether you are milling lumber for furniture-making or crafting intricate wood designs, this planer delivers in performance, making it a top-tier choice in its class.