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Who are the experts on the Air compressor

MatthewWBailey

Thanks for this site. My truck runs great now!
Steel Soldiers Supporter
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Mesa Colorado
As far as I can tell the springs are the same type. The kits come with instructions that have been photocopied too many times..... I doubt any real thought has been put into this design in the last ~50 years. It's VERY old technology. I worked for a compressor repair and manufacturing company and rebuilt MANY Quincy recip compressors - quite a few were from the 1950's and 1960's (mind you this was about 2007) and came out of naval and coast guard ship applications, military bases, and tons of industrial applications. Be glad they used a disc valve compressor - much more long lasting and reliable than the consumer grade reed-valve crap that is used in every home depot and craftsman garage compressor. And *usually* doesn't result in catastrophic failure - of course my own example being the outlier in that regard. But that goes to show how much abuse our trucks lived with in their service life. My truck had 2,750 miles on it when I bought it. About 5,500 miles when the compressor failed. Come to find out the dryer cartridge was original from 2008 o_O

These perform fine when properly and timely serviced. They just never got that in their former life and they are often still overlooked in their current life.
Thanks for jumping to the head of the line on next bench project.🤷🏻‍♂️
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GeneralDisorder

Well-known member
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Portland, OR
And those springs look different. Shinier. The o-rings are silicone or viton by the looks of them which should be good for higher thermals..... I'm not horrified by the look of that kit and the price point is attractive. Maybe they made improvements. :shrugs:
 

GeneralDisorder

Well-known member
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Portland, OR
Never had any issue whatsoever with the PS pump interface. I remove the compressor with the PS pump attached to it and break the whole thing down on the bench if I'm going to be going in that far. I've done several of them now. Never even gave it a second thought using my method.
 

j_boucher

Active member
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Location
Virginia
Never had any issue whatsoever with the PS pump interface. I remove the compressor with the PS pump attached to it and break the whole thing down on the bench if I'm going to be going in that far. I've done several of them now. Never even gave it a second thought using my method.
When the time comes I guess i will try that method / how much fluid is lost from PS
 

MatthewWBailey

Thanks for this site. My truck runs great now!
Steel Soldiers Supporter
863
1,567
93
Location
Mesa Colorado
Hows this kit working out ?
It's still on the bench. I had to finish 1250' of irrigation pipe on the ranch before winter comes so the truck got bumped out of line. I replaced this compressor with a new one that was off the rebuilt Crate engine I bought. So this'll be my spare, once I do the overhaul.
 

shawnspeak

New member
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Bend, Or
I'm getting ready to tackle the head rebuild. Are there links to rebuild/service manuals somewhere that I am totally missing? Try as I might I've not been able to locate any.
 

GeneralDisorder

Well-known member
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Location
Portland, OR
I'm getting ready to tackle the head rebuild. Are there links to rebuild/service manuals somewhere that I am totally missing? Try as I might I've not been able to locate any.
Nope. There's an instruction sheet in the kit. You will have to make your own tool for removing the valve cages.
 
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