Model #92116472 Craftsman air compressor

  • Tank Assy
    3 Results
  • Pump Assy
    3 Results
  • Handle Assy
    3 Results

Question and Answers

Q:

about my airconpresser 92116472

A:

Thank you for your question on the air compressor not pumping up to the target pressure.

With the air compressor running I would do a feel check to see if air is coming out of the air intake manifold.

If that seems to be okay then I would suspect a head gasket is leaking so you cannot get to the target shut off pressure.

Apply about 6-7 foot pounds of torque on the head bolts to see if that will help. If not you may have to replace the head and cylinder gaskets.

Please let me know what you discover.

Sam A.

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Sam A -
Sears Technician
December 11, 2012
Q:

The compressor motor runs continuously but only fills to 50 lbs. 92116472 Craftsman Air compressor

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
March 20, 2013
Q:

Petcock handle broke on compressor and needs to be replaced.

A:

Thank you for your question.

I am sorry you are having a problem with the air compressor. The petcock is no larger than the hole that it screws into. The image shows what it looks like. To replace the petcock, drain all of the air out of the tank then use a box end wrench to remove it from the tank. When you are ready to install the new one, wrap the threads with Teflon tape to seal the threads. Then thread it into the tank and tighten it with the wrench.

I hope this is helpful. Please let me know if you need further assistance.

Thank you for using Manage my life.

Mark T.

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Mark T -
Sears Technician
October 22, 2011