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Kellogg compressor 321TV

Landscapeguy84

New member
Joined
Mar 12, 2025
Messages
1
To anyone that can help, I have a Kellogg compressor (321TV) that I got from my wife's Grandpa. I went to do initial startup (for me anyway) and it was spraying oil everywhere. I discovered that one of the four intercooler connectors cracked It has NPT on one side and the other side is mistaken for 45° JIC but it is not. It looks more like a dome, if you know what I'm talking about and can help, Please do, TIA.20250303_082903.jpg
 
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nadogail

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Joined
Jan 23, 2009
Messages
32,259
Location
Coronado, CA
I would look for a Parker Hannifin (/SP?) dealer in your area. A local Hydraulic Shop might be able to help you with your problem.
 

gimpyrobb

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Joined
Feb 11, 2015
Messages
247
Location
Cincinnati
Im looking at an exploded parts diagram and I don't see a reason for oil to be anywhere near the air intercooler lines. I would look further into the compressor head before spending any money on it.
 
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TRWham

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Joined
Aug 11, 2017
Messages
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Location
East Cobb County, Georgia
Kelloggs do not have pressurized lubrication systems so spraying oil is a real puzzler. Unless there is a lot of oil carryover, it's hard to see how oil would be coming out of the intercooler. The parts list only shows that as an "intercooler connector" with no description and I have never disconnected the intercooler from my 331 to see, but it looks like some type of flare to a pipe thread. I have seen spherical fittings like that on a dry sump oil system, but I do not know what standard they were.
 

bdbecker

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Nov 18, 2015
Messages
5,629
Location
Iowa
That looks like a CGA adapter of some sort. Western Enterprises has always been my go-to for sourcing stuff like that, but it can take some time to dig through their website/catalog.

 

TRWham

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Joined
Aug 11, 2017
Messages
2,006
Location
East Cobb County, Georgia
That looks like a CGA adapter of some sort. Western Enterprises has always been my go-to for sourcing stuff like that, but it can take some time to dig through their website/catalog.

Now that you mention it, I recognize a welding gas regulator does have similar fittings. I had not considered that option because the pressures are so much lower for an air compressor.
 
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