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Unread 11-04-2013, 11:46 PM   #1
djfred
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1992 YJ Wrangler 
 
Join Date: Feb 2008
Location: Santa Clarita, California
Posts: 401
Sanden On Board Air Tutorial Install

I wanted to do another On Board Air Tutorial/Walkthrough, but with more details on what items to buy and from where. I would like to thank E_Rock for his original Post on this. Started this project about a year ago and finally got time to put it all together.

Will start off by saying the most important part of this setup is the compressor itself. My compressor wasn't new. I got it from an online junk yard search engine. Click ME . This place is awesome. You fill out your jeep's information and what you are looking for then fill out your personal information. I normally provide only my email. In about 5-10 min you will get tons of emails from different junk yards around the nation with the price and condition of the item you are looking for. I got the compressor shipped to my house for $38.

Here is the Sanden SD-709 Sticker



The next set of pictures are the parts I used to put everything together. Not in any special order.



















Here is the start of the project.




Now lets zoom in a bit to the Inlet part of the compressor. What I have here is a regular cone type filter that runs into an
inline oiler.




From the outlet of the compressor, I have made the first stop at the
oil/water separator then over to the check valve. The check valve is used when the
pressure in the tank is high. The air will not return into the compressor and cause damage.
After the check valve, the air goes into a pressure switch that will turn off the
compressor at 145PSI and will start it back up at 110PSI. The hose you see at the bottom
of the oil separator is my oil drain line. When the separator gets full, I run the engine
at about 2500RPM to get enough pressure to blow the oil out.



Here is where the drain line runs.



Here is a wide shot of the line



Here is the setup of the line.



Looking below from the drivers side, this is where the line comes from the top



Again below the drivers seat here is where the line is routed to
<br>


The tank is mounted on the bottom of the drivers side. Here is a top view. The outlet from the compressor comes in the tank,
where I have 2 outputs from the tank going to the front and rear. I also have a blow out valve rated at 175PSI



Here is the rear output line



This is the front output line



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--Now--
White 1992 YJ -- 4" Lift -- Tires 35x12.50x15 -- Magnaflow Exhaust & Cat -- K&N Air Filter -- Sanden OBA (Click for How-To)
--Future Mod--
Front D30 (4.88 w/ Powertrax No-Slip) -- Rear 8.8 (4.88 w/ ARB) -- Front Custom Bumper -- Custom Side Rock Guards -- Dual Snorkel (Coming Soon)
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Unread 11-04-2013, 11:47 PM   #2
djfred
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Now onto the wiring. If you get a Sanden with original plug, it should snugly fit into the OE female plug. This plug is located right under the jack mount.



Here is another view of that plug location



That female plug runs into the fuse box next to the battery. If you do not want to splice into the original plug,
then this is one way of doing it. Since it was waterproof, I wanted to leave it as that. If you did not have a factory
AC compressor, then this location in the fuse box will be empty.



After running a pressure test for two weeks, I can successfully say there is no drop in pressure.



Below is a spreadsheet of the parts I used for this project and its costs.

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--Now--
White 1992 YJ -- 4" Lift -- Tires 35x12.50x15 -- Magnaflow Exhaust & Cat -- K&N Air Filter -- Sanden OBA (Click for How-To)
--Future Mod--
Front D30 (4.88 w/ Powertrax No-Slip) -- Rear 8.8 (4.88 w/ ARB) -- Front Custom Bumper -- Custom Side Rock Guards -- Dual Snorkel (Coming Soon)
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Unread 11-04-2013, 11:47 PM   #3
djfred
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Reserved
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--Now--
White 1992 YJ -- 4" Lift -- Tires 35x12.50x15 -- Magnaflow Exhaust & Cat -- K&N Air Filter -- Sanden OBA (Click for How-To)
--Future Mod--
Front D30 (4.88 w/ Powertrax No-Slip) -- Rear 8.8 (4.88 w/ ARB) -- Front Custom Bumper -- Custom Side Rock Guards -- Dual Snorkel (Coming Soon)
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Unread 02-27-2014, 07:27 PM   #4
rbkelley89
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thanks for your message to this thread. Since you plan on adding an arb in the rear where are you going to get that air from the tank and put you regulator and solinoids close by?
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Unread 02-27-2014, 09:28 PM   #5
djfred
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I will run the line from under the hood. The gauge that you see under the hood will be moved soon inside the cabin.
Does that make sense.
__________________
--Now--
White 1992 YJ -- 4" Lift -- Tires 35x12.50x15 -- Magnaflow Exhaust & Cat -- K&N Air Filter -- Sanden OBA (Click for How-To)
--Future Mod--
Front D30 (4.88 w/ Powertrax No-Slip) -- Rear 8.8 (4.88 w/ ARB) -- Front Custom Bumper -- Custom Side Rock Guards -- Dual Snorkel (Coming Soon)
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Unread 02-28-2014, 07:10 AM   #6
Kuntryboy816
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Awesome write up. Subscribed for future reference.
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Unread 02-28-2014, 09:18 AM   #7
jeepster93
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Join Date: Sep 2006
Location: Englewood, CO
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You will LOVE it!

I run dual ARB's with my Sanden. Get yourself a manifold to distribute your air to where it is needed. Makes it a lot more simple.

Just be aware, you will be the last to leave a trail...Everyone will want what you got, air. I have filled 6 jeeps worth of tires at a time.

I went a different route with the compressor, though. Got an Extreme Aire compressor, they are new, then rebuilt with Timken bearings so it doesn't need an oiler. But it was a lot more costly than your $38 compressor, mine was $350...
I also put the tank, mine is smaller that yours, under the dual battery tray, so it was easier to plumb up.
Also used soft copper tube, 3/8 inch dia, as plumbing.
I tried rubber hose as plumbing, but it melted. That is why I used the soft copper.
Added up the cost of mine and it was right around $525, all inclusive less the ARB stuff.

I do admit to oogleing a small electric compressor to run the lockers with, though. This is a very large system running for a very small need, the lockers.

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Unread 02-28-2014, 09:26 AM   #8
djfred
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Posts: 401
thanx @Kuntryboy816

@jeepster93 , i was thinking of doing the one block manifold way but for some reason i wasn't finding a cheap one,
but i have been thinking to go that route. And it looks like a clean setup.
__________________
--Now--
White 1992 YJ -- 4" Lift -- Tires 35x12.50x15 -- Magnaflow Exhaust & Cat -- K&N Air Filter -- Sanden OBA (Click for How-To)
--Future Mod--
Front D30 (4.88 w/ Powertrax No-Slip) -- Rear 8.8 (4.88 w/ ARB) -- Front Custom Bumper -- Custom Side Rock Guards -- Dual Snorkel (Coming Soon)
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Unread 02-28-2014, 09:32 AM   #9
jeepster93
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For an affordable manifold...I went to Northern Tool(mail order).
Kilby wanted like 75 smacks for one and Northern tool was 17 for basically the same thing.
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Unread 02-28-2014, 10:28 AM   #10
TSEJEEPERS
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For those who woud rather use grease than oil for the compressor.
http://www.fourwheeler.com/how-to/en...rd-air-system/
I do not care what they say you still need a separter.
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Unread 02-28-2014, 11:33 AM   #11
jeepster93
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This is my air chuck. Only have 1 chuck, and use a 25 foot hose, that will reach all 4 tires.
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Unread 02-28-2014, 11:58 AM   #12
djfred
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@TSEJEEPERS
your right, better safe then sorry
__________________
--Now--
White 1992 YJ -- 4" Lift -- Tires 35x12.50x15 -- Magnaflow Exhaust & Cat -- K&N Air Filter -- Sanden OBA (Click for How-To)
--Future Mod--
Front D30 (4.88 w/ Powertrax No-Slip) -- Rear 8.8 (4.88 w/ ARB) -- Front Custom Bumper -- Custom Side Rock Guards -- Dual Snorkel (Coming Soon)
djfred is offline   Reply With Quote Quick reply to this message
Unread 02-28-2014, 12:03 PM   #13
djfred
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1992 YJ Wrangler 
 
Join Date: Feb 2008
Location: Santa Clarita, California
Posts: 401
Question for the guys running rubber hoses.
I have cracks on the outside of the hose but there isn't any leak.
What other method have you guys used that can stand heat better?
__________________
--Now--
White 1992 YJ -- 4" Lift -- Tires 35x12.50x15 -- Magnaflow Exhaust & Cat -- K&N Air Filter -- Sanden OBA (Click for How-To)
--Future Mod--
Front D30 (4.88 w/ Powertrax No-Slip) -- Rear 8.8 (4.88 w/ ARB) -- Front Custom Bumper -- Custom Side Rock Guards -- Dual Snorkel (Coming Soon)
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Unread 02-28-2014, 02:22 PM   #14
Michaelgoesrawr
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Quote:
Originally Posted by djfred
thanx @Kuntryboy816 @jeepster93 , i was thinking of doing the one block manifold way but for some reason i wasn't finding a cheap one, but i have been thinking to go that route. And it looks like a clean setup.
Check amazon for pencil manifolds. That is what I plan I doing for mine.

Can we get a shot of your serp belt with the idler installed?
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Unread 02-28-2014, 02:32 PM   #15
djfred
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Join Date: Feb 2008
Location: Santa Clarita, California
Posts: 401
Quote:
Originally Posted by Michaelgoesrawr View Post
Check amazon for pencil manifolds. That is what I plan I doing for mine.

Can we get a shot of your serp belt with the idler installed?
I just found one this morning on ebay for $5 it has 7 ports, which works perfectly.

I will put up the picture as soon as the weather here lets up...here in California are having what is called a "storm"
__________________
--Now--
White 1992 YJ -- 4" Lift -- Tires 35x12.50x15 -- Magnaflow Exhaust & Cat -- K&N Air Filter -- Sanden OBA (Click for How-To)
--Future Mod--
Front D30 (4.88 w/ Powertrax No-Slip) -- Rear 8.8 (4.88 w/ ARB) -- Front Custom Bumper -- Custom Side Rock Guards -- Dual Snorkel (Coming Soon)
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