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Old 04-19-2011, 10:17 AM   #1
pirana
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Default Air Compressor Reed Valve Repair

I just saved myself $34, at least for now, by making my own part for the valve plate assembly on my old Craftsman air compressor. The part on the left in the pic was broken so I cut the one out of aluminum on the right & so far it works like a champ. The original is some sort of spring steel but you can't buy the damn thing by itself, you have to buy the whole valve plate.
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Old 04-19-2011, 10:49 AM   #2
930dreamer
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Default Re: Air Compressor Reed Valve Repair

Good job on the fab work.
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Old 04-19-2011, 10:56 AM   #3
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Default Re: Air Compressor Reed Valve Repair

I think the aluminum part you made will work harden and break in a very short time. I think you should order the $34 part.
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Old 04-19-2011, 10:59 AM   #4
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Default Re: Air Compressor Reed Valve Repair

Nice work on the replacement! Unfortunately, it will likely fail more quickly than the spring steel valve as aluminum does not have a fatigue limit.

Blue tempered spring steel sheet stock is readily available from any industrial supply in various thicknesses.
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Originally Posted by Sir Stanley Hooker
One stroke to produce power and three strokes to wear it out.
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Old 04-19-2011, 01:20 PM   #5
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Default Re: Air Compressor Reed Valve Repair

I'm aware that aluminum is not the ideal material, that's why I said that the fix was good "at least for now". There is a Fastenal dealer near by that might have some spring steel material that I can make it out of & for probably less than $34 too.
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Old 04-19-2011, 02:27 PM   #6
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Default Re: Air Compressor Reed Valve Repair

The fab works appears to be outstanding, and it should work while you find a more suitable material for a permanent fix.
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Old 04-30-2012, 11:46 AM   #7
tul9033
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Default Re: Air Compressor Reed Valve Repair

If anyone is still subscribed to this thread or see this post. How was that part cut? My reed valve just broke on my compressor and the only option is to buy the entire valve plate assembly at a whopping $121. Would really like to find an alternative. It's a Coleman compressor, here's what i am looking at:



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Old 04-30-2012, 05:51 PM   #8
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Default Re: Air Compressor Reed Valve Repair

Unfortunately, the original reed valves are spring steel, and although not that

expensive, if the OEM part is part of an entire assembly, can drive the

price up drastically. Settle yourself to the fact that you either will "bite the

bullet" or will be looking for a new(er) compressor. (One that exact parts are

available for.) I would try to get a compressor with anything other than

reed valves. Nothing against them, but they just don't seem to be the best

type available as far as longevity goes.

Good hunting

Uncle Bob
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Old 04-30-2012, 06:04 PM   #9
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Default Re: Air Compressor Reed Valve Repair

Quote:
Originally Posted by tul9033 View Post
If anyone is still subscribed to this thread or see this post. How was that part cut?
The original was punched out with a fine blanking die.

If you're interested, drop the original in the mail. I'll make two new ones from spring steel for $60 shipped.
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Quote:
Originally Posted by Sir Stanley Hooker
One stroke to produce power and three strokes to wear it out.
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Old 05-21-2012, 12:47 PM   #10
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Default Re: Air Compressor Reed Valve Repair

My apologies for not getting back to you sooner. I ended up getting the whole plate the same day as your post for $91. I would of rather paid the $60 to avoid takng th eentire plate assembly off, it was a bit of a pain.
My Coleman is a 33gal upright with a hose reel on the side and made it 12 years before the reed failure, I paid $199 for it at Sam's all those years ago. When pumping up to the 120 psi cutoff it takes about 15 minutes and get's super hot. According to the compressor tech at the shop I bought the part the heat is what killed the reed valve.
Not real confident how long it will last with the heat being generated, it's a shame that of all the parts (tank, reel, 1 HP motor) this little part is the weak point. It could probably use the gaskets as well as the piston replaced. the price of the plate , piston, and gaskets is over $225 more than the original cost. So do I just throw the whole thing out when the next part breaks and it's a $125 for an entire assembly vs. the $5 part that broke?
If I had to to it all over again I probably would buy another smaller upright with a add on wall mounted hose reel, like the Dewalt or Porter Cable. Any winners out there in the midsize upright arena?
Thanks for the offer BTW!

Quote:
Originally Posted by A_Pmech View Post
The original was punched out with a fine blanking die.

If you're interested, drop the original in the mail. I'll make two new ones from spring steel for $60 shipped.
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