Model #919165230 CRAFTSMAN Air compressor

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Question and Answers

Q:

air compressor 919.165230

A:

I am sorry that you are having some difficulties with your air compressor and I will be happy to help. I did some research and I was able to find a link that will provide you with some good information. I hope this helps with your research while you wait for your expert response.

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Joseph -
January 30, 2013
A:

I am sorry you are having a problem with the air compressor. If the unit is not building pressure like it should, the air compressor probably has something broken inside the cylinder. Before you take the compressor apart, listen and feel for air leaks. Check to see if air is coming back out of the intake filter. If air is coming back out of the intake filter, the tank check valve is the problem. If you feel air coming out of the intake when it is running I suspect the valve plate is broken.

Also check the tubing connections to the pump. If the connections are fine, you have to remove the head. The head is secured with four bolts. Directly under the head is the pressure plate. The pressure plate has reeds on it that direct the air into the discharge line and keep the air from going back into the cylinder of the compressor. Check the reeds for warping or breaking. If the reeds are damaged, you must replace the pressure plate. Make note of how the pressure and seal sit on top of the cylinder.

If the pressure plate looks fine, I recommend setting it aside and inspect the piston and the cylinder. What usually happens is the piston ring wears and allows air to blow past the piston. When this happen the compressor will run longer and may never come up to full pressure. To repair this problem I recommend replacing the piston ring and the cylinder. Most compressors have a kit available that contains the piston, ring, cylinder, and the seals. Any time you take the pump apart, the gaskets should be replaced.

Please feel free to reply with more details if you need further assistance on the repair of the compressor.

Thank you for using Manage my life.

Mark T.

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Mark T -
Sears Technician
January 31, 2013
A:

My air compressor takes forever to fill up, runs constantly it seems like. Can wait hours or days till use it and within 5 minutes it's running to fill up again. Once it fills up at the end it lets out a noise like its releasing a lot of air.

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Amie -
August 29, 2015
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Q:

919.165230 restart and leak issue 919165230 Craftsman Air compressor

A:

Thanks for the inquiry and for being a valued member.

I am sorry to hear of the issue you're having with the leak and the breaker tripping on refill. I know how frustrating that is.

This could be caused by a defective check valve. The check valve holds pressure in the tank. When they go out, air will escape and put pressure on the piston so that it cannot move, which will trip the breaker on refill. The air escaping and tripping breaker would match the symptoms of a defective check valve. The part number is A19712. 

I hope this helps and thanks for using SearsPartsDirect.com. We appreciate your business. 

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Jeff Wallace Sr -
Sears Technician
April 08, 2015
Q:

Air compressor takes a long time to fill 919165230 Craftsman Air compressor

A:

Thanks for the inquiry and for being a valued member.

I am sorry to hear of the issue you're having with the compressor taking a long time to come to pressure. I know how frustrating that is.

It is more than likely going to be either the valve plate or a worn piston ring. Disconnect the power to the air compressor and remove the plastic cover around the motor and compressor.

Before you take the compressor apart, listen and feel for air leaks. Check to see if air is coming back out of the intake filter. If air is coming back out of the intake filter, something is wrong inside the cylinder.

Turn the motor shaft by hand and be sure the piston goes up and down.

If the piston is ok, remove the 4 screws holding the head on top of the cylinder. Remove the head.

Directly under the head is the pressure plate. The pressure plate has reeds on it that direct the air into the discharge line and keep the air from going back through the intake side of the compressor. Check the reeds for warping or breaking. If the reeds are damaged, you must replace the pressure plate. Make note of how the pressure plate sets and the O-rings that seal around it. You can use a permanent maker to make a line on the head, valve plate and the case so you do not have to guess when putting the unit back together.

Remove the pressure plate and inspect the cylinder walls for scratches or wear, if the cylinder is damaged you need to replace the cylinder, piston, and rings. Make note of the piston and the rings on it. If a ring is worn or broken the air goes back through the intake filter and no pressure is built. If you have to replace the rings, replace the piston and sleeve.

Most likely the piston ring is worn. 

I hope this helps and thanks for using SearsPartsDirect.com. We appreciate your business.  



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Jeff Wallace Sr -
Sears Technician
March 17, 2015

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