Craftsman 919.165520 - User Manual

Questions and Answers

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mitchellstephanieAug 20, 2025
Why is my Craftsman 919.165520 not supplying enough air?
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  Frederick HodgesAug 20, 2025
  Several factors can cause this issue. It could be due to prolonged excessive use of air, or the compressor might not be large enough for the air requirement. Check for holes in the hose, a restricted check valve, air leaks, or a restricted air intake filter. To resolve this, decrease air usage, ensure the compressor meets the accessory's air requirements (SCFM or pressure). Replace the hose if needed. Remove, clean, or replace the check valve and tighten any loose fittings. Finally, clean or replace the air intake filter. Do not operate the air compressor with the filter removed.
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Jesse RichAug 23, 2025
How to fix air leaks at the fittings of my Craftsman 919.165520 Air Compressor?
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  qgreeneAug 23, 2025
  If you notice air leaking at the fittings of your Craftsman Air Compressor, the tube fittings may not be tight enough. Carefully tighten the fittings where you hear air escaping. You can use a soapy water solution to help identify leaks. Be cautious not to overtighten the fittings.
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James ElliottAug 26, 2025
What to do if there are air leaks in the tank of my Craftsman 919.165520?
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  Austin CareyAug 26, 2025
  If you find air leaks in the air tank or at the air tank welds, the air tank is defective and must be replaced. It is important not to attempt to repair the leak, drill into, weld, or otherwise modify the air tank, as this will weaken it and could cause it to rupture or explode.
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patricialoganAug 28, 2025
What causes air leaks at the pressure switch release valve on my Craftsman 919.165520?
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  Maria McculloughAug 28, 2025
  Air leaks at the pressure switch release valve indicate a defective pressure switch release valve. Contact a Trained Service Technician.
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Harold HahnAug 31, 2025
How do I fix air leaks at or inside the check valve of my Craftsman 919.165520 Air Compressor?
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  April MartinezAug 31, 2025
  Air leaks at or inside the check valve are likely due to a damaged check valve seat. Replace the check valve. Refer to the "To Replace or Clean Check Valve" in the "Service and Adjustment" section.
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Timothy WoodSep 2, 2025
Why does the regulator knob on my Craftsman 919.165520 have a continuous air leak?
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  Johnny RiosSep 2, 2025
  A continuous air leak from the regulator knob indicates a damaged regulator. The regulator needs to be replaced.
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Jeffrey HigginsSep 5, 2025
What to do if the safety valve keeps popping off due to excessive tank pressure in my Craftsman 919.165520?
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  Jessica BernardSep 5, 2025
  If the safety valve pops off due to excessive tank pressure, the pressure switch may not be shutting off the motor when the compressor reaches its cut-out pressure, or the pressure switch cut-out might be set too high. Move the On/Auto/Off lever to the "OFF" position. If the unit still doesn't shut off, contact a Trained Service Technician.
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Michael WeissSep 8, 2025
Why is my Craftsman Air Compressor making a knocking noise?
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  rebecca38Sep 8, 2025
  A knocking noise could indicate a defect in the safety valve or a defective check valve. Try manually operating the safety valve by pulling on its ring. If the valve continues to leak, it should be replaced. Also, remove and clean, or replace the check valve.
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Joshua AndersonSep 12, 2025
Why does the pressure drop on my Craftsman 919.165520 Air Compressor when I use an accessory?
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  Wayne TorresSep 12, 2025
  It is normal for some pressure drop to occur when an accessory is used. However, if the pressure drop is excessive, adjust the regulator following the instructions in the "Description of Operation" paragraph in the “Operation Section. Be sure to adjust the regulated pressure under flow conditions, meaning while the accessory is in use.
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esmallSep 13, 2025
What to do if the regulator on my Craftsman 919.165520 Air Compressor will not shut off the air outlet?
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  Beverly CarrSep 14, 2025
  If the regulator will not shut off the air outlet, this indicates that the regulator is damaged and needs to be replaced.