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Bendpak RJ45 Bridge Jack Air Requirements CFM

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old66tiger

Member
Joined
Nov 20, 2010
Messages
7
I know a few on here have the RJ45 and I was wondering what size air compressor you are running with it (CFM) or (SCFM) and the response of the jack with that compressor. I have a 60 gal Rigid that is listed as 11.5 SCFM but when I tested it it comes out to an actual 14 CFM. Just wondering if this will be adequate.
 
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69CHARGERMD

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Joined
Jan 23, 2010
Messages
134
I have a Sears 26 gallon air compressor,,,nothing fancy...and it does the job fine with the RJ45. I need around 90-100psi for the jack to work smoothly. I would have to check the manual on the jack to see what air pressure they recomend. The RJ setup is great....
 
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Steves32

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Joined
Feb 12, 2011
Messages
845
Doesn't need much. Mine is run off an 60 gallon cheapo Husky compressor installed in the other garage (so I don't have to hear it).
 
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ket-tek

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Joined
Jan 28, 2009
Messages
1,289
Yeah like the others are saying you can use the jack with pretty much any compressor you've got. It doesn't take much at all.

It is a hydraulic jack that is air assisted, the compressor you have will be more than enough to work with. Now pull go pull the trigger, you will love it!
 
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ket-tek

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Joined
Jan 28, 2009
Messages
1,289
The manual states 125psi 10-20 cfm..

The pdf maunal is located here:
http://www.bendpak.com/Rolling Jack Manual REV D 5-16-10.pdf

With that being said it still works ok at way lower specs. My lines are regulated down to 90psi in the attached garage with a 60gal, and it gets tons of use with no issues lifting.

And the other BP I installed in the detached garage has a portable oil-less ************* that is painful to fill tires with but it still works the RJ-45 just fine.
 
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Cryptic1911

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Joined
May 24, 2008
Messages
2,884
Location
Willimantic, CT
It'll run it just fine. I have a 21gal 4.7cfm? cheapo harbor freight compressor temporarily, and it works just fine. The thing you have to realize is that the cfm rating is only when the compressor pump is running, and the stored air in the tank is really only restricted by the fittings and air hose that you use
 
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Charles (in GA)

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Jan 11, 2006
Messages
12,489
Location
50 mi south of Atlanta
As Cryptic1911 noted, the compressor will deliver all the CFMs the hose, and fittings are capable of passing, until the tank is exhausted. That jack should not consume much air at all.

Charles
 
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Crusty Nut

Well-known member
Joined
Mar 16, 2008
Messages
475
Yes, the pressure is what makes it work. The cfm is what makes it work at a slow, normal, or faster speed.
 
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