Powermatic WB-37 - User Manual

Questions and Answers

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marcia90Aug 19, 2025
What to do if sanding belt will not run, or slips on the rollers of Powermatic WB-37?
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  Eric CobbAug 19, 2025
  If the sanding belt on your Powermatic Sander isn't running or is slipping, consider these potential causes: * The air valve switch is off. Turn on the air valve. * The emergency stop button is engaged. Disengage the stop button. * Limit switches are activated. Reposition the sanding belt between the limit switches. * Insufficient air pressure. Ensure the air pressure regulator is set between 75 to 80 PSI. * Dust or debris on conveyor rollers. Clean the conveyor rollers.
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Carrie DavisAug 21, 2025
What to do if sanding belt clogs too quickly on Powermatic WB-37 Sander?
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  Jennifer EdwardsAug 21, 2025
  If your sanding belt is clogging too quickly, the reasons may be the following: * The grit of the sanding belt is too fine. You should choose a larger grit of sanding paper. * Too much material is being sanded off. Reduce the amount of material being removed. * The wood is too oily. Choose different stock. * There's too much dirt or glue on the wood. Opt for cleaner stock. * The wood is too moist. Allow the wood to dry completely before sanding.
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Wendy WilliamsAug 23, 2025
Why Powermatic WB-37 Sander will not start?
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  Tyler JohnsonAug 23, 2025
  There are several reasons why your Powermatic Sander might not be starting. It could be due to: * No incoming power. Ensure the sander is properly connected to a power source and that fuses are intact and circuit breakers haven't tripped. * Low voltage. Verify the voltage at the power source. * Loose wiring. Check for and fix any loose connections on the sander. * A defective starting switch. If this is the case, the switch will need to be replaced. * A defective motor. In this case, the motor will need replacement.
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Tara SellersAug 26, 2025
Why Powermatic WB-37 machine takes too long to stop after emergency switch is activated?
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  Marc BakerAug 26, 2025
  If your Powermatic sander takes too long to stop after the emergency switch is activated, it could be due to: * Air pressure being too low. Set the air pressure to 75 to 80 PSI. * Worn brake pads. Replace the brake pads.
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Nicholas CollinsAug 28, 2025
What causes grinding noise when brake is activated on Powermatic Sander?
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  stantonashleyAug 28, 2025
  A grinding noise when the brake is activated on your Powermatic Sander is likely due to worn brake pads. Replacing the brake pads should resolve this issue; the rotor may also need turning.
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Michelle MorenoAug 30, 2025
What causes uneven thickness between the front and rear ends of the workpiece sanded by Powermatic WB-37?
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  Mr. David Brown IVAug 30, 2025
  Uneven thickness between the front and rear ends of the workpiece may be caused by: * Feed rate being too high. Reduce the feed rate. * Too much stock removal. Reduce the amount of material being removed. * Grit of sanding belt being too fine. Use a larger grit sanding belt. * Unequal position of pressure bars. Adjust pressure bars to produce equal pressure on stock. * Table not parallel front to back. Adjust the table until it is parallel front to back.
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serranoreneeSep 1, 2025
Why too much rounding occurs along edges when solid wood is sanded with Powermatic WB-37 Sander?
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  Larry DavisSep 1, 2025
  Too much rounding along the edges when sanding solid wood typically occurs because too much material is being removed, causing the contact drum to press too tightly. Reduce the amount of material being removed to prevent this.
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Leonard SmithSep 3, 2025
What causes glossy spots on the wood sanded by Powermatic Sander?
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  Jeff PinedaSep 3, 2025
  Glossy spots on the wood after sanding can be caused by: * A sanding belt that is too old. Replace it with a new sanding belt. * The rear pressure bar being too low. Raise the rear pressure bar.
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Taylor HoweSep 6, 2025
What causes uneven thickness between the left and right sides of the workpiece sanded by Powermatic Sander?
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  Kendra MitchellSep 6, 2025
  Uneven thickness between the left and right sides of the workpiece can be due to: * The table not positioned correctly in relation to the contact drum. Adjust the table until it is parallel from left to right. * The front pressure bar not in the correct position in relation to the contact drum. Adjust the front pressure bar to be parallel. * Worn graphite strip and felt pad. Replace the graphite strip and felt pad. * A worn conveyor belt. Replace the conveyor belt.
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Suzanne WilliamsonSep 8, 2025
What causes "snake" marks on workpiece sanded with Powermatic Sander?
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  Stephen RoseSep 8, 2025
  Snake marks on the workpiece are caused by local damage to the sanding belt. Replace the sanding belt to resolve this issue.