Air con air compressor

Post by **takearidewifme** » Tue Nov 15, 2005 8:11 am

Hey guys... I want to know who has done the air cond compressor ( endless air style) add on where did you mount it? what compressor is best? I have a 79 rangie with 3.5 p/s no air con. Are the standard aircon mounts on the bottom of the block pass side? there are some threaded hole here that I was going to use but thought Id put it out here to see what others have done... Pics would also be good.. thanks guys

Mark

Post by **Philip A** » Tue Nov 15, 2005 10:44 am

AFAIK, ( I was told by Graeme Cooper ) the 77 was the only model that had the York piston compressor mounted on the LH side.
If you can find the mounbting plate, York compressors are now really cheap new, but maybe just haunt the wreckers till you find a set.
The 80 had it high on the RH side.
regards Philip A

Post by **Loanrangie** » Tue Nov 15, 2005 11:07 am

My 85' has a york style compressor mounted on the rhd side on a casl bracket bolted to the block about where your alternator is now, source one of these for the easiest mounting. You can just see it in the pic on lh side.

http://www.outerlimits4x4.com/PHP_Modul ... p?id=20705

Post by **Ralf the RR** » Tue Nov 15, 2005 7:41 pm

We've got 2 Rangies.
A 79 (his) & 80 (hers).

The 79 has a rotary aftermarket (I think) aircon system. The compressor is mounted on the lower LHS.

The 80 has the standard system which consists of the York style (can't remember the brand) on the lower LHS.

I've heard/read that the York style (twin piston) is better for endless air than the rotary style.

Post by **takearidewifme** » Tue Nov 15, 2005 9:07 pm

Thanks for the feed back... looks like hunting down a lower left air con is the go.... Just to let you know the air compressor will be inflating my truck airbag in the rear and 2 pneumatic rams in the front that when all pumped lifts the sills to over 800mm clearanceand still rides on its springs.... but that is another post when its finished.....

Post by **TRobbo** » Wed Nov 16, 2005 7:53 am

I previously had a rangie with the compressor mounted on the lower left of the block. I found that the air conditioning compressor from a sigma fitted perfectly and without modification. The compressor appeared to be the same across all sigma models.

Post by **takearidewifme** » Wed Nov 16, 2005 1:50 pm

It that the brackets that fit ?....Or the sigma pump fits on the rangie brackets?

Post by **walker** » Wed Nov 16, 2005 4:23 pm

I looked at mounting the York compressor for air, but they are so big and I have the alternator on the right side so it was going to be hard to mount. I picked up a Sanden compressor from Rangie Automotive real cheap. It is a lot smaller & lighter than the york, I made up my own bracket to mount it next to the alternator and ran an extra belt from the double pulley on the alternator. Very easy.

Post by **TRobbo** » Thu Nov 17, 2005 7:28 am

takearidewifme wrote:It that the brackets that fit ?....Or the sigma pump fits on the rangie brackets?

The sigma compressor fits the rangie air con compressor brackets and all belts line up perfectly.

Website · Post by **cooter** » Thu Nov 17, 2005 9:06 pm

when you do it make sure you fit an air cleaner on it preferebly oil soaked and give the intack a dose of castor oil regularly

Post by **takearidewifme** » Thu Nov 17, 2005 9:24 pm

when you do it make sure you fit an air cleaner on it preferebly oil soaked and give the intack a dose of castor oil regularly

I did hear of a gr8 trick to make them oil free...

get some slick 50 or even better Bitron and join the suction and discharge together put in some treatment of choice and run for 20 mins... now you have PTFE or petrochemical coating reducing need for oil... The guy who told me this has been running his for years without ever putting oil in it..

PS... anyone in melbourne have any rangie brackets for sale????

Website · Post by **cooter** » Thu Nov 17, 2005 9:58 pm

when you do it make sure you fit an air cleaner on it preferebly oil soaked and give the intack a dose of castor oil regularly

Post by **walker** » Thu Nov 17, 2005 10:12 pm

For about $5 you can get a small inline oiler from Bunnings which does the job.

Post by **ISUZUROVER** » Thu Nov 17, 2005 11:23 pm

The best system for oiling is to fit a capillary line to near the bottom of your separator bowl (allow a small amount of space for condensed water) that runs the oil back to the intake. That is how industrial compressors work and they run for millions of hours.

I don't trust PTFE - people with unoiled compressors have been running them for years without them dying too, but it isn't the best way if you really want the compressor to last.

Post by **Rangie ute on 38''** » Fri Nov 18, 2005 8:20 pm

yea i run one on my 4.4, its mounted where the aircon used to be(bottom right side when looking at the motor) ive never had a better set up before.

the supply and pressure is absolutly endless ive not had any tool or equipment beat the delivery, the harder the engine revs the harder the pump runs, ive sprayed cars with it, and manly used it for swapping my 38'' over when going bush. tyres will inflat in less than 30 secs a tyre

definately worth the effort

Post by **BIg StEvE** » Wed Jan 04, 2006 9:47 am

I thought i would dig this up to ask a few more questions.

Do people have there air tanks mounted in the back of there rangies or is this too dangerouse?

So people are happy with the in line oilers that compressors use?

What size tanks are u guys running?

Whats a good place to purchase a tank and fittings?

What pressures do the AC put out?

Surely u would need some kind of pressure cut out switch?

So many questions i know so any help would be greatly appreciated!

cheers

steve

Post by **walker** » Wed Jan 04, 2006 10:19 am

Steve,
I have my tank in the back of the Rangie. I bought a very cheap 240v compressor with a 21litre tank (like the ones you get from Supercheap or bunnings) then pulled off the motor. This way it came with the pressure switch etc already mounted on the tank. I just plumbed in the Sandon compressor (make sure you spend the money and use proper A/C hose with crimped end at the compressor otherwise the heat and pressure will keep blowing off the standard hose) and wired the pressure switch in 12v.

The tank I bought can operate to about 140psi but I have it set at 110psi because I run my front air locker with it.

Post by **Aussie 110** » Wed Jan 04, 2006 10:55 am

There's a write up for an onboard air system here:

http://forums.lr4x4.com/index.php?showtopic=2115

It's for a Defender rather than a Rangie, but it might be good for some ideas.

Paul

Post by **BIg StEvE** » Wed Jan 04, 2006 11:34 am

cheers guys!

Also how quick would u fill up the tank say if u where driving then stopped to use it?

Walker is 21 ltrs big enough or do u wish u had more?

If u were using air tools would the AC keep the tank full while using say a rattle gun?

Post by **Woop** » Wed Jan 04, 2006 12:27 pm

I have a 40L truck air tank mounted on an LPG gas tank frame, mounted inside my Patrol behind the cargo barrier. Its mounted so it can easily be lifted out when i need the extra space. I used locking air brake fittings for the connections and also had the tank tested and certified. Its connected in parallel with another 40l tank mounted to the chassis rail underneath. An ENDLESS air fills both via a dryer and unloader valve.Make sure you include a working safety valve somewhere..

Nick

Post by **walker** » Wed Jan 04, 2006 6:30 pm

The 21l tank is plenty big enough for me. It fills from empty to 110psi in aprox. 60sec but once it is at pressure will stay there even with air drill or air spanner constantly working. The Sanden compressor puts out a huge amount of air, more than any of the cheaper 240v compressors.

Post by **BIg StEvE** » Wed Jan 04, 2006 6:47 pm

walker wrote:The 21l tank is plenty big enough for me. It fills from empty to 110psi in aprox. 60sec but once it is at pressure will stay there even with air drill or air spanner constantly working. The Sanden compressor puts out a huge amount of air, more than any of the cheaper 240v compressors.

Nice one thats what i wanted to hear! Thanks mate!

Post by **Loanrangie** » Wed Jan 04, 2006 6:53 pm

Steve, here's a tank for ya , $30 from k mart.

Post by **BIg StEvE** » Wed Jan 04, 2006 7:02 pm

Loanrangie wrote:Steve, here's a tank for ya , $30 from k mart.

Haha how big is that. think ive seen em before!

Post by **Hardy** » Wed Jan 04, 2006 8:42 pm

Loanrangie - that K-mart tank is a cracker!

I remember seeing the junk mail brochure a while ago and thought WOW - Cheap!
Seeing as though you have one, would you mind giving the approximate dimensions and capacity?

Thanks,
Hardy

Post by **Loanrangie** » Wed Jan 04, 2006 9:13 pm

Capacity is 18 litres, 39cm long by 25 cm diameter. Its a little beauty, i fill it up then carry it out to where i need it , saves dragging the compressor out and un spooling the hose. On the bottom of the tank it has 2 steel feet that you could drill holes into for mounting or you could strap it in and use nitto or jamec fittings so you could remove it if needed.

Post by **Hardy** » Wed Jan 04, 2006 9:44 pm

Oh by crikey - I didn't think of that.

It's so obvious too, being a portable tank afterall.
Just fill it up before you go - at home or maybe at a servo on the way.

Sorry for topic diversion but I've been deliberating on what to do about this for a while now. For $30 I think we could all explore this...

I have the std EAS tank (that I tap into) with a capacity of 9 litres.
Average pressure is around 130psi.
I find this is sufficient to re-inflate only one 32" tyre from 20psi back up to 32psi before the pissant EAS compressor 'roars' to life.
Therefore the 18 litre K-mart cracker would be good for another 2 tyres?

My questions to all are:

a. What is the volume of air within 1x 32" tyre?
b. Is there a formula or equation to work out what storage capacity at X psi would be require to fill / re-inflate 4 X 32'' tyres?

Hardy

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