89b200-22 sanborn how these tubes are routed

by joe
(roundup mt. U.S.A)

2 hp model 89b200-22 bought it used with out transfer tubes its a v twin pump and I have no Idea how to route the transfer tubes I tried putting a tee between cyls. then to tank builds up presure but wont restart till tank is empty so that cant be right do you no how these tubes should be routed.Thank you joe mattern

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Joe, typically on a two stage compressor, the line between the cylinders is not teed off, but rather, should have a PRV in it.

Then, a line runs from the second stage cylinder to the tank.

I have not been able to find the specs on this compressor to be certain that it is a two-stage versus just a double cylinder.

We'll have to hope that there is an owner out there with this info to share with us.

Cheers,

Bill

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what type of oil do I need for my Black Max 6506016? thanks

by LL
(L.E.H., NJ)

My compressor is in need of oil...what type is best? Thanks
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In the absence of specific instruction in your compressor manual, then opt for a compressor specific lube oil. The bottle will say compressor lubricating oil or some such. Don't use standard motor oil. See the page linked from the site map - oil issues.

Bill

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Compressor won't shut off automatically?

by Ron
(Minneapolis, MN USA)

Sanborn Magna Force 3.5 HP compressor that won't shutoff automatically when presure is reached?

I have a Sanborn Magna Force 3.5 HP compressor that runs well, but does not shut off automatically when 120lbs of presure is reached. I can manually hit the white switch to stop it. It leaks too when it sits. Not sure where it is leaking, maybe I have 2 issues?
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Maybe two issues indeed,Ron.

If the compressor runs past normal cut out pressure setting, and eventually the PRV pops off as the pressure in the tank continues to grow, I'd immediately suspect that your pressure switch has failed, and that's dangerous. I'd get it replaced right away.

The leaking out of the pressure switch area may indicate that your tank check valve has crudded up, and allowing air to escape through the unloader valve when the compressor is stopped.

Cheers,

Bill

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