Converting a/c to OBA, I got a few questions
Thread Starter
Seasoned Member
Joined: Mar 2012
Posts: 259
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From: Wilmington, NC
Year: 1998
Model: Cherokee
Didn't find what i needed on search so ill ask them here.
1) Is a pressure switch a must if i am just using the air for tires?
2) Could i use the factory a/c switch for the compressor switch?
1) Is a pressure switch a must if i am just using the air for tires?
2) Could i use the factory a/c switch for the compressor switch?
Thread Starter
Seasoned Member
Joined: Mar 2012
Posts: 259
Likes: 0
From: Wilmington, NC
Year: 1998
Model: Cherokee
No, I don't lick fish.



Joined: Mar 2011
Posts: 11,169
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From: Northern Kentucky
Year: 1999
Model: Cherokee (XJ)
Engine: 4.0
JP mag does a pretty good writeup too if you're looking for more info:
http://www.jpmagazine.com/techarticl...tem/index.html
http://www.jpmagazine.com/techarticl...tem/index.html
Seasoned Member
Joined: Sep 2010
Posts: 440
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From: Akron, OH
Year: 1993
Model: Cherokee
Engine: 4.0 HO
Senior Member
Joined: Aug 2011
Posts: 604
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From: California
Year: 1990
Model: Cherokee
Engine: 4.0 i6
I was thinking.. Since I've read around about guys burning up their compressors most likely from them overheating and not getting enough oil.. To address the oil issue would having to inline oilers help? Not in series but have a a filter > oiler > tee and then have another filter > oiler > connect to tee and then the third side of the tee goes to the intake. Would this be of anyyy help to oil the compressor?
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Seasoned Member
Joined: Sep 2010
Posts: 440
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From: Akron, OH
Year: 1993
Model: Cherokee
Engine: 4.0 HO
I really dont think that would help because most oilers will provide more than enough oil. I think they burn up just because they were never made too be used this way but the grease fitting mod would probably make it last the longest.
Senior Member
Joined: Apr 2010
Posts: 615
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From: Bonney Lake, WA
Year: 1989
Model: Cherokee
Engine: 4.0 IL6
You don't need 2 oilers, just one good one. Most people who burn out their pumps either buy a cheap oiler like this one, or dont have an air tank and pressure switch so their pumps have to work constantly and get burnt out. I used this oiler and filter and have filled up hundreds of tires and my pump is still running strong.
Seasoned Member
Joined: Sep 2010
Posts: 440
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From: Akron, OH
Year: 1993
Model: Cherokee
Engine: 4.0 HO
I use this combo http://www.harborfreight.com/air-too...tor-68246.htmland http://www.harborfreight.com/air-too...tor-68227.html adjusted the oiler for a nice steady drip and has yet to fail me.
Last edited by ProudXjOwner; Jul 13, 2012 at 08:21 PM.
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