Model #921152150 Craftsman air compressor

  • Compressor
    3 Results

Question and Answers

Q:

compressor check valve craftsman Mod.# 921152150

A:

Thank you for your question on the reason for the fuse tripping on the air compressor.

There is more that one reason for this to happen but they are going to assume you have the compressor on a dedicated power circuit of its own. If it is not and the compressor has to share voltage with something else it could trip the breaker.

The reason for the fuse tripping is if the check valve does not operate correctly the head pressure will built up and when it gets to 40 to 60 PSI the motor will bog down and trip the breaker.

The check valve has to open and close with each stroke of the piston as it stores the air in the tank. If the check does not hold the air in the tank, it will cause back pressure until the tank pressure and the air compressor and motor are equal and stalls the motor.

Are you having a problem with you air compressor that relates to this problem?

Please let me know and we can continue to troubleshoot if you are having a problem.

Sam A.

Read More
Sam A -
Sears Technician
October 10, 2011
Q:

about bleederplug on craftman air compressor model 921152150

A:

Thank you for you question on the bleeder valve for the air compressor.

No the bleeder valve should not leak all the time.

As the compressor reaches its target pressure and shuts off the bleeder should only operate for a few seconds to empty the air line between the head and the tank check valve so it can restart without head pressure.

If you are saying it is leak when the compressor is running would indicate to me that it is faulty and will need to be replaced.

Bleeder valve kit for model 921.152150 .

I hope this will help.

Sam A.

Read More
Sam A -
Sears Technician
September 04, 2012
Q:

smoking air compressor

A:

Thank you for your question.

I can understand your concern when the compressor started smoking and then quite.

  • I would suggest that you take the top cover off the air compressor to see if it was just a belt failure of if the pump seized up and you will need to rebuild the compressor part.

  • There also is an electric motor under the cover that drives the pump and it may have failed also.

  • Please examine what may have happened and then you can decide what needs to be done to repair the compressor.

If you still have your owner's manual it will show you the parts breakdown.

Please use the thread link to tell me what you have found and I will help you anyway I can to get the compressor repaired.

I have included an image of the parts list.

I hope this will help.

Thank you for using Manage My Life.

Read More
Sam A -
Sears Technician
February 03, 2011