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Old 03-21-2011, 08:50 AM   #1
woodsman507
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Default How does the crankcase breather work and how do you clean it

I pulled the breather on my 214 Kohler last weekend.... it looked clean to me. The service manual shows that several gaskets, a filter, and a reed valve are all sandwiched into the unit. I did not see how to disassemble it. I thought about sliding a knife on the edge and trying to separate everything, but I didn't want to start chewing up something that might not be a problem... Is that how you get everything apart?... does friction hold everything together, when it is reassembled?

And does the breather work as an overall general pressure regulator, or does the reed valve work at every engine cycle? I understand that there is supposed to be a slight negative pressure.

When I blew into the hole, it was clear that the air could go in but not out. However, if it needs to react to hundreds of cycles per minute, then maybe my simple breath test was a poor way to test things.

I couldn't quite get everything I needed from the manual.

Thanks in advance for any info or tips.

John.
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Old 03-22-2011, 09:51 AM   #2
woodsman507
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Default Re: How does the crankcase breather work and how do you clean it

I decided to pull the breather for a second look last night... this time it came apart as I was removing it... so I can clearly see all of the components...

What is the best solvent to clean the parts...?

Mineral spirits, gasoline, carb cleaner, denatured alcohol, ,.. how about Seafoam..

If the reed valve LOOKS ok, is it probably ok...?
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Old 03-22-2011, 11:41 AM   #3
bluespruce
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Default Re: How does the crankcase breather work and how do you clean it

Clean with any of your list. reed looks good and is flat it's good. make sure to put back on in the correct order.
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