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A little air compressor project

Shoreline_

Well-known member
Joined
Aug 1, 2022
Messages
968
Location
Springfield, MA
So originally I was going to ask work if I could take an early 2000's Atlas Copco GA5 that's been sitting in the back for 8 years untouched for my garage. It's a 200v machine and missing a cover so it's never going to be a loaner unless there was one customer that needed a 7.5hp and had sagging 208 mains. It's a really sweet machine, quiet, very robust but it's about the size of a washing machine so more difficult to place. It's also belt driven and has some rubber hoses that are craaaazy expensive to replace if they ever go. A couple months ago we had a customer give us 2 Sullair ES6 because they replaced it. These would be 10hp encapsulated screw type compressors with hard oil lines. Of the two one was locked up in the air end and the other had a bad bearing. I took home the one with a bad bearing and maybe some of you might be interested how they look inside. You can see how compact they are.

IMG_1748.jpeg

So i was really hoping it was the opposite shaft end bearing which is easy to get to but after removing the cooler and the end housing it was the air end side bearing. So I remove the sump housing, split off the air end, remove the pump, and pull out the rotor

872ADA10-4421-4921-A2B4-3ADB25F3EC03.jpegAC42BD83-F72B-4DA8-8B4D-6EC8D6F5D728.jpeg5C29AFFA-7F3F-4385-8ADD-298FAC402F0B.jpegIMG_1747.jpeg

Sure enough the bearing is pretty bad. New bearing is 17 dollars. When it comes in I'll take some pictures of reassembling it.

IMG_1746.jpeg
 
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