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-   -   Craftsman air compressor making clanking noises. (http://www.peachparts.com/shopforum/tech-help/354327-craftsman-air-compressor-making-clanking-noises.html)

HuskyMan 05-01-2014 10:15 PM
Craftsman air compressor making clanking noises.
 
My two air tank roll around Sears Craftsman air compressor began making "clanking" noises when operating. I checked the oil level, it appears to be correct. Any ideas?

JamesDean 05-01-2014 11:17 PM
Hmmm does the oil look clean? Maybe time for a changing? I know my one HF compressor could use a oil change, but just haven't had the time to figure out what I put in exactly.

Any other visible broken bits on it? Maybe a loose fitting or something?

Hirnbeiss 05-02-2014 06:51 AM
Broken valve?

HuskyMan 05-02-2014 08:47 AM
Quote:
Originally Posted by Hirnbeiss (Post 3323953)
Broken valve?
How can I tell if it is a broken valve? Do I need to disassemble a part(s) of the unit?

This is a link to the Sears manual, you will need Adobe PDF reader to open it.

http://www.searspartsdirect.com/partsdirect/part-model/Craftsman-Parts/Air-compressor-Parts/user-manuals/manual-downloads/Model-921166370/0247/0703000?modelNumber=921166370&diagramPageId=&documentId=50026634

Hirnbeiss 05-02-2014 08:36 PM
The valves are 8 and 9 on the drawing, but honestly it could be a number of things. If it operates OK (compresses air), it is probably not the reed valves. See this for some other causes: Air Compressor Trouble-Shooting, Problems, The Causes, Solutions


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