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Manage My Life

I need a part for my air compressor model 919.152920. The part number is ACG-402. Can you help me?

by Manage My Life Last activity date:
May 16th, 2011

The listing said this part is no longer available.

Tags:
Air Compressors , Tools
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Answers (6)
Manage My Life
FYI. Just called devilbissparts.com (800-475-5660). They sell the reed valves individually so if all you have is just a broken valve, call them.
by Manage My Life
May 16th, 2011
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Manage My Life
I have a Craftsman Model 919-152811 which also uses the ACG-402 valve plate assy. I used this thread to order part needed for my compressor and realized a couple of things that I think may help others that may find this info useful.

As described above the Z-AC-0032 valve plate assy's can be used to replace the ACG-402 part, but either new heads will need to be purchased, or modifications to the heads will be required,

starting with the new heads, part numbers AC-0784 and AC-0805 are heads for a 2 stage air compressor. I purchased these and they were not the proper heads for my single stage compressor. As I look through the different compressor models on ereplacementparts.com/ it would appear the AC-0037 and AC-0038 are the single stage heads that will work with my compressor.

Now as mentioned before the Z-AC-0032 is a much better valve plate design. it has a contoured plate that accompanies the reed valves that will eliminate the stress on the valves which causes them to break. There are 2 problems with simply using the valve plates. 1) the contoured reed valve plate runs interference with the read valve stops in the heads, and 2) the D-shaped o-ring channel is casted in both the heads and the new plate assy.

One thing that has to be done (not the first thing) if you are going to reuse the heads with the new valve plates is to machine 1/4" reliefs into the reed valve stops of each of the heads. I suggest a die grinder, so I hope you have a friend who also has a compressor.

Now, a decision has to be made; transfer both sets of reed valves from the new plate to the old plate, or use the new valve assemblies as they are. If you transfer the reed valves, you need only to machine the reliefs. If you choose to use the new valve assy's, you will need to fill in the D-shape o-ring channel on the head. I welded and machined mine, but I would expect JB weld would work fine, followed by the reliefs.

I hope this was helpful.
by Manage My Life
January 8th, 2011
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James Lommel
Thanks to all who responded to my question. As it happens, I was able to use parts from another DeVilbiss compressor by buying new heads and new reed plates. I ordered the parts directly from DeVilbiss and the I think I paid just about what the parts from Mel-co are. The folks at Devilbiss were very helpful.
by James Lommel
November 13th, 2010
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Manage My Life
I have the same model Sears compressor - and used the Ac-0032 valve plate to repair it. If you don't want to swap out the reed valve, the original cylinder head need to be modified (machined out a bit) - or use the new version cylinder head AC-0037 (this has to do with clearance for the baffle for the intake reed valve)
Both the parts can be had from Mel-Co Parts on eBay - about $17 for the valve plate and $14 for the new head. There are other suppliers, but they are more expensive.
Note - there are two cylinder heads - AC-0037 and AC-0038 - the difference is where the discharge port is (rear or front) - AC-0038 is used for the twin-cylinder compressors (in addition to AC-0037, near as I can tell).
by Manage My Life
November 11th, 2010
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James Lommel
You can use the valve plate from another Devilbus compressor part number Z-AC-0032. You have to take the reed valves from the Z-AC-0032 plate and install them on the old ACG-402 plate. However, the design of the Z-AC-0032 valve plate is so much better, I recommend replacing the cylinder head also. If you have a twin cylinder compressor, you need part number AC-0805 and part Number AC-0784. If you have a single cylinder compressor, I think you need the AC-0784 but I'm not absolutely certain. You should be able to tell by looking at a single cylinder Devilbus single cylinder compressor that uses the Z-AC-0032 valve plate.
by James Lommel
June 29th, 2010
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Manage My Life
The valve plate for your air compressor went no longer available in 2007. The complete pump is also no longer available.

I think you will need to buy a new air compressor.
by Manage My Life
June 1st, 2009
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