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Re: Air Compressor Project
Lugnutz #1435742 Sun Jan 02 2022 05:57 PM
Joined: Oct 2005
Posts: 3,416
"Hey! I sound like Darth Vader!!
Must've made PG&E happy.

Re: Air Compressor Project
Lugnutz #1437319 Sat Jan 15 2022 02:01 AM
Joined: Sep 2011
Posts: 2,415
L
Lugnutz Offline OP
'Bolter
Worked out my frustration from another project by tearing down this older compressor I bought. It’s now in parts so I can save what is useful and put it on the new tank I have.
Not sure what the names of these parts are. A, B, C etc. So if you know the proper name feel free to post it. Part C sits beneath the electrical box that turns the motor on and off when pressure reaches a certain PSI. It has a 1/2” diameter copper tube that connects to the box to throw a pressure sensitive switch, I guess.

I’ll clean and reuse the orange platform, the pump and all electrical items that still work. I have a brand new 30 gallon tank.

Attached Files
Last edited by Lugnutz; Sat Jan 15 2022 02:03 AM.
Re: Air Compressor Project
Lugnutz #1437323 Sat Jan 15 2022 02:17 AM
Joined: May 2015
Posts: 4,802
Housekeeping (Moderator) Making a Stovebolt Bed & Paint and Body Shop Forums
A looks like a regulator
B is the pressure switch
C may be an unloader to release pressure on the compressor during startup.


Kevin
First car '29 Ford Special Coupe
#2 - '29 Ford pickup restored from the ground up.
Newest Project - 51 Chevy 3100 work truck. Photos [flickr.com]
Busting rust since the mid-60's
Re: Air Compressor Project
Lugnutz #1437332 Sat Jan 15 2022 03:00 AM
Joined: Feb 2004
Posts: 23,676
H
Kettle Custodian (pot stirrer)
A is a 3-unit combination pressure regulator/filter/oiler. Unless you're using air tools that need lubrication like a die grinder, air impact wrench, or something else that runs an air motor, don't worry about using the oiler. The gray box is the pressure switch that turns the motor on and off. C is an unloader. Do you intend to weld the motor base to the new tank? I would strongly encourage you not to do that. Build an angle iron or square tubing framework to support the motor and compressor, and attach the tank to it with ratchet straps or some other non-welding method. Use a flex hose or a piece of tubing with a vibration loop in it to make the compressor/tank connection. One incorrect weld can turn a pressure vessel into a bomb, and shrapnel from an exploding air tank can be deadly.
Jerry


"Freedom's just another word for nothing left to lose"
Kris Kristofferson

Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!

WAG MORE- - - - - -BARK LESS!
Re: Air Compressor Project
Lugnutz #1437336 Sat Jan 15 2022 03:24 AM
Joined: Sep 2011
Posts: 2,415
L
Lugnutz Offline OP
'Bolter
Jerry,
Using the orange platform seems like a good idea but you don’t seem ok with that. Or is it that you think I’m gonna weld the motor feet to the tank? No, I wasn’t planning on doing that.
My plan was to recreate the same setup that was on the old compressor tank. Tack weld the platform on top of the new tank and mount the pump and motor on the platform.

Re: Air Compressor Project
Lugnutz #1437346 Sat Jan 15 2022 04:14 AM
Joined: May 2015
Posts: 4,802
Housekeeping (Moderator) Making a Stovebolt Bed & Paint and Body Shop Forums
Unless you hold an ASME certification to construct or repair pressure vessels, PLEASE don't weld on a tank. Even tack welds are a no-no. Like Jerry said, an improper weld can turn it into a bomb.

It looks like you've cut/ground a previous mount off the tank. If you'd left enough of that on to bolt the platform to, that would have been a better solution.


Kevin
First car '29 Ford Special Coupe
#2 - '29 Ford pickup restored from the ground up.
Newest Project - 51 Chevy 3100 work truck. Photos [flickr.com]
Busting rust since the mid-60's
Re: Air Compressor Project
Lugnutz #1437349 Sat Jan 15 2022 04:19 AM
Joined: Sep 2011
Posts: 2,415
L
Lugnutz Offline OP
'Bolter
I’ll post pictures tomorrow. Maybe that will help.

Re: Air Compressor Project
Lugnutz #1437373 Sat Jan 15 2022 01:42 PM
Joined: Apr 2005
Posts: 10,367
Grease Monkey, Moderator General Truck Talk & Greasy Spoon
What EVERYONE is telling you, DON’T WELD DIRECTLY ON THE TANK! If you have some other plan then go ahead and clarify your thread. We are just trying to keep you around for many years to come. Really, don’t do it!


Martin
'62 Chevy C-10 Stepside Shortbed (Restomod in progress)
'47 Chevy 3100 5 Window (long term project)
‘65 Chevy Biscayne 4dr 230 I-6 one owner (I’m #2) “Emily”
‘39 Dodge Businessmans Coupe “Clarence”



"I fought the law and the law won" now I are a retired one!
Support those brave men/women who stand the "Thin Blue Line"! Hug a cop!
USAF 1965-1969 Weather Observation Tech (I got paid to look at the clouds)

Re: Air Compressor Project
Lugnutz #1437378 Sat Jan 15 2022 02:18 PM
Joined: Sep 2011
Posts: 2,415
L
Lugnutz Offline OP
'Bolter
These pictures clearly show the original steel plate welded to the tank. I want to tack weld the orange platform to the steel plates. The steel plate is 3/16” thick. You can see The cut marks where the original platform was cut off. The steel plate was not compromised during the process.
So I’ll ask the question this way.
Is it safe to weld the orange platform to the 3/16” steel plates?
( I will not perform any welding on the body of the tank itself. )

Attached Files
Last edited by Lugnutz; Sat Jan 15 2022 02:38 PM.
Re: Air Compressor Project
Lugnutz #1437398 Sat Jan 15 2022 05:32 PM
Joined: Feb 2004
Posts: 23,676
H
Kettle Custodian (pot stirrer)
I'll give you a definite "maybe" on doing it that way. I'd really prefer that the orange base be clamped to the new tank with some steel straps instead of doing any welding at all. How about welding some small vertical tabs to the plates on the tank, maybe 2" long or so, and bolting the orange motor/compressor base to them? That will minimize the amount of heat stress on the tank.
Jerry


"Freedom's just another word for nothing left to lose"
Kris Kristofferson

Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!

WAG MORE- - - - - -BARK LESS!
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Moderated by  48bigtrucks, MNSmith 

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