Can you identify this compressor?

Rodeo Joe · Oct 28, 2018

I got this compressor yesterday at a great price of £23 at an auction.
It works in as much as it didn't blow the house electrics when I plugged it in but has trouble getting any pressure beyond 75psi.
I am guessing it needs new seals in the piston or maybe even rings but I can't find any info about it online.
It has AID moulded into the casing and a few serial numbers.
Anybody got any ideas what it could be and where to get any spare parts in the Kings Lynn area?
The motor is compton and the tank has Brook painted onto the side.
Any sensible ideas?

Al2O3 · Oct 28, 2018

Rodeo Joe said:
View attachment 161580
I got this compressor yesterday at a great price of £23 at an auction.
It works in as much as it didn't blow the house electrics when I plugged it in but has trouble getting any pressure beyond 75psi.
I am guessing it needs new seals in the piston or maybe even rings but I can't find any info about it online.
It has AID moulded into the casing and a few serial numbers.
Anybody got any ideas what it could be and where to get any spare parts in the Kings Lynn area?
The motor is compton and the tank has Brook painted onto the side.
Any sensible ideas?

No, but @listerdiesel might.
He hasn't been on for a while though!

freelance · Oct 28, 2018

Probably just needs head off, and clean reed valves

Rodeo Joe · Oct 28, 2018

freelance said:
Probably just needs head off, and clean reed valves

Whats a reed valve?
Had the head off didn't see any valves just a thin metal ring and spring plate to hold it, cleaned it all down and sealed it up again with hylomar, seems to build pressure better now- up to about 90psi when the cut off operates. Thats enough for me anyway and seeing as Noah probably used it as an anchor I'm not too brave!

Flossie · Oct 28, 2018

The valve plate will have a springy piece of steel (think feeler gauge type steel) that closes off a port underneath (facing the piston) and another on top(facing the head)
These work like valves in a combustion engine.
One let's air in via the air filter as the piston goes down (sucking it off its seat) and the other (on top, facing the head) does the opposite and is sucked shut .
Piston come up, and the now compressed air does the opposite thing to the two valves.
Air in, gets forced shut and air out gets forced open.

Rodeo Joe · Oct 28, 2018

Yes thats right I was surprised there wasn't a thin rubber seal there though, the metals as thin as a beer can.

freelance · Oct 28, 2018

Rodeo Joe said:
Yes thats right I was surprised there wasn't a thin rubber seal there though, the metals as thin as a beer can.

Thin metal disc is a “ reed valve” , certainly seems like you have sorted it, a good buy !

Rodeo Joe · Oct 28, 2018

Ah so thats a reed valve, confusing as it looks nothing like a reed

Can you identify this compressor?

Rodeo Joe

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