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I have an older craftsman horizontal style air compressor. its a 20 gallon 4 horse motor. I do not know the model number.

Looking for model number to an old craftsman horizontal 20 gallon 4 horse motor.any suggestions to what model it could be?

Posted by Anonymous on

6 Suggested Answers

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  • 2 Answers

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Posted on Jan 02, 2017

  • 2 Answers

SOURCE: Sears Craftsman 3-Gallon, 1.5 HP Air Compressor Hums

YES IT MAY BE THE CAPACITOR . IT COULD ALSO BE THE WIREING IN THE MTR, THE PUNP ITSELF.

Posted on Nov 26, 2008

  • 1383 Answers

SOURCE: converting from 220 to 110 volts

Most brands of air comperssors are built to work on either 220 or 110 v. I believe that 220 v compressors are more efficient and draw less current and run cooler.
The more expensive compressors have a switch allowing for voltage selection. Still others will have a wiring diagram printed on the motor allowing voltage change by changing jumpers. Most all of the sears compressors that I have repaired were of single voltage with no other way to change except change motor. Do not worry however, you have the better motor. It is easier to convert the outlet plug to 220 by isolating the circuit and installing a 220 v breaker. enjoy

Posted on Nov 27, 2008

  • 1383 Answers

SOURCE: Air compressor head gasket diagram

Campbell hausfeld has all their manuals on line at www.chpower.com / you can enter the model # of the whole unit or just the # of the pump. Also you can enter just a partial number example wl650 for a list of models is that range. Use caution when installing gaskets for chpower oiless pumps. Some of their gaskets are very brittle. After installing parts, turn pump by hand to make sure all parts are in their proper place and that there is suction. Enjoy

Posted on Dec 02, 2008

dmftrucker
  • 1922 Answers

SOURCE: Wiring diagram to convert Craftsman 5HP Air compressor

look on the motor cover or on the wiring cvr on mtr or on the inside of the wire termination cvr

Posted on Oct 06, 2009

  • 1 Answer

SOURCE: Air compressor won't go over 40 psi?

my ace air compressor which is 26 gallon 5 hp will not get over 60psi what is wrong with it please?

Posted on Feb 15, 2010

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If this is not the problem, post a comment with more details including model number for more advanced troubleshooting.

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1 Answer

Converting from 220 to 110 volts


Most brands of air comperssors are built to work on either 220 or 110 v. I believe that 220 v compressors are more efficient and draw less current and run cooler.
The more expensive compressors have a switch allowing for voltage selection. Still others will have a wiring diagram printed on the motor allowing voltage change by changing jumpers. Most all of the sears compressors that I have repaired were of single voltage with no other way to change except change motor. Do not worry however, you have the better motor. It is easier to convert the outlet plug to 220 by isolating the circuit and installing a 220 v breaker. enjoy

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