Powermatic 31A instruction manual Adjustments, Abrasive Belt Installation, Abrasive Belt Alignment

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!WARNING: Electrical wiring should be done by a qualified electrician. The machine must

be properly grounded to help avoid electrical shock and associated hazards including possible death.

ADJUSTMENTS

Before putting power to the sander, inspect the machine thoroughly. Check to ensure that all screws are tight, all mechanical functions work freely, belt runs freely and tracks properly, and the disc runs freely and does not come into contact with the guard or table.

Turn the motor on and check for proper rotation direction of the belts. The sanding belt should move from the idler pulley toward the drive pulley while the disc should rotate counter-clockwise with the operator facing the disc.

Run the sander without sanding for a short period to ensure the belt tracks properly and the disc adhesive sticks properly to the disc.

ABRASIVE BELT INSTALLATION

To install or replace an abrasive belt, proceed as follows (Figures 5 and 6):

1.Loosen the knob (A) and swing the belt end guard

(B) out of position.

2.Remove the side guard (C) by loosening and removing the two screws holding it. Release tension on the belt by loosening the tension knob (E) at the back of the belt arm. Loosen the tracking screw (F) on the side of the belt arm and move the drum forward.

3.Slide the worn sanding belt off the idler and driving drums and install a new belt.

4.Retighten the belt tension screw (E) and tracking screw (F). Check the tracking manually to ensure the belt tracks properly. Put the side guard (C) back on and secure with the screws. Swing the end guard (B) back into position and re-tighten the knob (A).

ABRASIVE BELT ALIGNMENT

1.To properly align the abrasive belt, tighten the belt tension screw (E) until the belt is relatively tight. See Figure 5.

2.Manually rotate the belt with one hand while at the same time adjusting the tracking screws with the other hand until the belt is tracking in the center of the idler and driving pulley. Caution is necessary since excessive tension can stretch a belt to the point where it will not track.

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Contents Belt & Disc Sander Warranty & Service Table of Contents Safety Rules Page Safety Decal for Model 31A Sander Specifications Model 31A Sander Contents of crate Installation & AssemblyReceiving Electrical ConnectionsAdjustments Abrasive Belt InstallationAbrasive Belt Alignment Platen Adjustment Sanding Table AdjustmentWork Stop Belt ARM Positioning Operating the SanderChanging Motor Voltage Template FormsFENCE/TABLE Maintenance LubricationMonthly lubrication schedule Accessories Grit Comparison ChartProblem Cause Solution Trouble Shooting for Model 31A SanderDescription Quantity Parts List Body Assembly Model 31A SanderDescription Quantity 31A-51 Body Assembly Model 31A Sander Parts List Stand Assembly Model 31A Sander Stand Assembly Model 31A Sander Electrical Schematic Model 31A Sander Electrical Schematic Model 31A Sander Electrical Schematic Model 31A Sander Electrical Schematic Model 31A Sander Page Page Page WMH Tool Group
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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.
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