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Thread: Pressure Control unit for my onboard ARB compressor

  1. #1
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    Pressure Control unit for my onboard ARB compressor

    [COLOR=var(--primary-text)]For those with ARB onboard air...[/COLOR]
    [COLOR=var(--primary-text)]I must have been bored. I saw this new device from ARB: Tyre Accessories | ARB 4x4 Accessories Scroll down a little to the first accessory - the Pressure Control. Check out the video.

    [/COLOR]
    [COLOR=var(--primary-text)]Pretty easy to install - just insert the solenoids into the output air line and connect up the wiring.

    [/COLOR]
    [COLOR=var(--primary-text)]It actually works as advertised! My compressor and air tank are under the floor in the boot of my 5 seater and I have just run a hose up to the jack space to plug in air hoses. I only needed a few bits - connectors and a short braided hose - to do the install.

    [/COLOR]
    [COLOR=var(--primary-text)]I got it from AUS4WD: AUS4WD.shop – Everything 4WD – Mechanical Upgrades, Vehicle Servicing, Parts & Accessories, Fabrication & More ARB were out of stock, and AUS4WD had 3 left, 2 now. AUS4WD were extremely helpful in sorting out what I actually need to do the install . Big THUMBS UP to them.

    Now I am thinking of getting a double socket to plug in so I can attach a hose to two tyres at a time for inflation/deflation...









    Cheers
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  2. #2
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    Location of air compressor

    Any reason you didn’t fit the air compressor in the engine bay? I’m getting the smaller arb compressor when my defender arrives and hoped to put it in here. I’m also considering the arb Linx system and air compressor module that does the same as your module I believe

  3. #3
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    I have the Sd6 so bugga all space under the bonnet, and a lot of heat. I have the 5 seater so lots of space under the floor in the boot - which you can't get to when the boot is full. The twin compressor and air tank take up a bit of room. Seemed like a good idea at the time and a good use for the dead space...
    Also, the air line comes out at the jack storage space, which works for me. I have a 1.5 metre extension and a T piece so I can plug two hoses in and inflate/deflate two tyres at a time, front, rear or camper trailer.
    Cheers
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  4. #4
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    Hopefully there is a bit of ventilation under there or its going to overheat if it gets a good workout.
    Paul

    D2,D2,D2a,D4,'09 Defender 110(sons), all moved on.

    '56 S1,been in the family since...'56
    Comes out of hibernation every few months for a run

  5. #5
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    Had a play...

    Swaggie

    I asked the same question at ARB and they said all fine. But, being me, I have put a temperature probe in there so I can see if it gets hot...

    I had a chance to have a play. I made up T piece - thanks EnZed - so I can plug in two hoses at the same time and do both tyres on an axle at once. I also have a 90 degree elbow and a 1.5 metre extension so I can run the hose out the back if the boot is full.

    To deflate from 40 psi to 26 psi took a little over two minutes for the two tyres at once - 275/55R20 - so slowish, but I can be manually deflating other tyres at the same time as it is totally set and forget.

    Inflating two tyres from 26 to 36 took 50 seconds thanks to the twin compressor and pressure tank. I'm happy with that. I just attach the two hoses and press Go on my phone.

    I love it! Can't wait to use it in the bush. The two hoses can reach front, rear and camp trailer tyres and I can use preset pressures or just use the + and - buttons to set the pressure I want, just like on the servo pumps, and it works the same.

    The ARB accessories bag - third photo - is also ideal. I manage to stuff in:

    2 x ARB 6 metre hoses - the orange ones
    2 x ARB inflator hose ends plus the accessories pack for inflating Lilos and balls
    1 x extra 6 metre hose - the black one
    1 x 1.5 metre extender - the hose with the white bits in the photos
    90 degree elbow
    T piece
    ARB digital inflator
    Digital valve removing deflator
    Air nozzle

    And, there is still a little bit of space in it. Plus, it fits in the recess on the passenger side of the boot - no rear aircon.

    With the extra 6 metre hose I can run it to another vehicle, put the T piece on the end and work on two their tyres if their compressor it slow.

    As a bonus, the compressor is much quieter. Also, no opening the bonnet to clamp the leads for a portable compressor to the battery terminals and getting the usual "I'll call for the tilt tray" from non Land Rover people. Boy, they think they are funny...




    Cheers
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  6. #6
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    Times

    I have just had a play in the garage to work out some rough times.

    Two tyres 275/55R20 at the same time:

    18 psi to 40 psi - 1:47
    40 psi to 18 psi - 1:55

    One tyre 275/55R20:

    18 psi to 34 psi - 0:37
    18 psi to 40 psi - 0:58

    So, slightly faster doing two at the same time - 1:47 for two versus 0:58 for one, so 9 seconds faster, not a lot, but more convenient, and I am sure they are at the exact same pressure.

    Cheers
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  7. #7
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    On a recent trip I found I had inflated/deflated my four tyres in around half the time the others took doing theirs. The combination of a twin compressor, air tank, doing two tyres at once and the ARB Pressure Control worked a teat.

    I have been doing some playing around with the original setup since then.


    I have moved the switchgear:





    From the left, the switch for the compressor, a master power switch for the compressor - applies power to a 100 Amp Solid State Relay and powers up the ARB Pressure Controller - the Redarc Tow Pro Elite and the switch for the ballast resistors to tell the ca=r I am towing something it cannot find itself.

    I have increased the high pressure air storage - more than doubled the original 4 litres - by adding another pressure tank I had in the garage.





    This now gives me around 10 litres or more of air at 150 psi when I start to pump the tyres back up. It also gives me a pressure relief valve, which the ARB tank does not have.

    I also moved the air hose to the passenger side for easier access. The bag in the photo is an ARB hose bag which holds 3 x 6 metre hoses, a one metre extension hose with a T piece on the end, an ARB digital inflator, a digital deflator and all the fittings I need.





    Cheers
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