Alto Classic 12 - User Manual

Questions and Answers

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tanya81Aug 19, 2025
Why is the dust pick-up on my Alto Sander so poor?
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  Casey RamseySep 12, 2025
  If the dust pick-up of your Alto Sander is poor, it might be due to several reasons. The dust bag could be over 1/3 full or dirty. The dust shoe may be improperly adjusted, or the dust chute could be obstructed. Also, extremely fine dust can clog the pores. To resolve this, empty the contents of the bag, shake debris from it, and wash it. Readjust the dust shoe. Remove the fan cover and clear the throat. Additionally, shake debris from the bag and wash it.
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Christine PerezAug 21, 2025
How to prevent burning or glazing when using Alto Sander?
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  Brandi JenningsAug 21, 2025
  Burning or glazing during sanding with your Alto Sander can occur due to a dull abrasive, excessive sanding pressure, or using too fine of an abrasive belt. Replace the abrasive, decrease the sanding pressure setting, and use a coarser abrasive to fix this.
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Jennifer MckayAug 23, 2025
What to do if my Alto Sander is cutting too slowly?
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  Joshua AndersonAug 23, 2025
  Slow cutting with your Alto Sander can be caused by a dull abrasive, using too fine of an abrasive belt, or insufficient sanding pressure. To fix this, replace the abrasive, use a coarser abrasive belt, and increase the sanding pressure setting.
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William JohnsonAug 26, 2025
How to fix drive belts slipping on Alto Sander?
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  yunicoleAug 26, 2025
  If the drive belts on your Alto Sander are slipping, producing a squeaking or squealing sound, it's likely due to insufficient tension or worn belts. You should tension the drive belt as described in the adjustment procedures and replace the belts if they are worn.
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maria53Aug 27, 2025
Why is my Alto Sander making an uneven cut?
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  Rebecca TaylorAug 27, 2025
  Uneven cuts with the Alto Sander can be caused by leveling being out of adjustment or abrasive belt tracking issues. Adjust the belt to track towards the edge of the drum with the deepest cut.
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Angela RodriguezAug 30, 2025
How to remove waves on sanded surface with Alto Sander?
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  Lori StewartAug 30, 2025
  Waves on a sanded surface when using your Alto Sander are often caused by debris on the wheels or flat spots on the tires. Remove and clean the wheels, or replace the tires to resolve this issue.
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Sarah BurnsSep 1, 2025
Why does the abrasive belt tear along its length on my Alto Sander?
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  Courtney WrightSep 1, 2025
  Abrasive belt tears along its length because of debris built-up on the tension roller. Clean the tension roller of your Alto Sander to resolve this issue.
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medinadanielSep 3, 2025
What causes squealing noises in Alto Sander?
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  James LopezSep 3, 2025
  If your Alto Sander is making squealing, growling, or grinding noises, it is likely due to a damaged or worn bearing. To address this, remove the drive belts and rotate the arbor motor, fan, shafts, and idler pulley to locate the dragging or rough bearing. Contact an authorized dealer.
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gardnerkristinSep 5, 2025
What causes chatter marks on sanded surface of Alto Sander?
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  tsinghSep 5, 2025
  Chatter marks (close, evenly spaced ripples) on a sanded surface when using your Alto Sander are caused by a flat spot on the contact wheel or a contact wheel that is out of round. Contact an authorized dealer or replace the contact wheel.
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ashleyfloresSep 7, 2025
What to do if Alto Sander motor will not start?
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  samuel19Sep 7, 2025
  If the motor of your Alto Sander will not start or runs sluggishly, it could be due to a defective circuit breaker, start capacitor, or electronic start switch, low voltage from a poor connection, a defective motor or bearing, no power at the outlet, low voltage from excessive footage, an undersized extension cord, or a defective run capacitor. Check the power supply and connections. Locate the power source nearer to the work site. Decrease sanding pressure. Refer to the squealing section to locate a defective bearing. Contact an authorized dealer.