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Thread: Onboard Air compressor

  1. #11
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    Quote Originally Posted by loanrangie View Post
    I put mine behind the rear lh panel, I have rear AC so it's a tight fit.
    IIRC you used the original “tow hitch” holder bracket and modified it?

  2. #12
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    Quote Originally Posted by Tombie View Post
    IIRC you used the original “tow hitch” holder bracket and modified it?
    No I removed it and made my own utilising the rubber mounts for the compressor.
    They slot into the original bolts.
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  3. #13
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    Here's my attempt at mounting this compressor. My car is a 5 seater with no rear air con so there is a fair amount of room in the rear passenger cavity.

    First you need to pop out the plastic Trim Panel by removing a bolt near the rear seatbelt and pulling the cover inwards

    Trim Panel.jpg
    Remove the tailgate rope and then pull the trim cover out of the way.

    Tailgate.jpg

    I cut the carpet at the bottom to clear some space and then removed the rubber cover that has 3 bolts through it.
    20210921_144830.jpg
    To lift the compressor up to give me some more room I fitted a large block of wood (since I'm a woodworker not a metal worker). I used the rubber cover as a template to drill and counter sink the holes and then reattached the rubber cover to provide a water proof seal. You could use some flat rubber instead as a gasket but I didn't have any.
    I used Alan key bolts I had lying around for this. The bolts are upside down in this picture as I was using them to align the holes whilst I glued the rubber to the wood

    20210921_161014.jpg

    Bolt the wood down.

    20210921_155111.jpg
    then I mounted the base of the compressor using long wood screws

    20210921_164214.jpg

    Fitting the compressor back in can prove a little fiddly trying to get the 6 mounting bolts in and then tightening them but I succeeded in the end. Then reattached the plastic trim cover and tailgate rope.
    20210921_173306.jpg

    Because I have a drawer unit and the space on that side is tight, I've installed a small length of hose from the compressor up through a hole in the top of the plastic trim cover so I can pull it out the rear door to attach to the main hose and then push it back into the void when not in use.
    20210922_151903.jpg
    I mounted the compressor on/off switch on the side of the trim cover where there is a cig lighter recess. I have a rear battery and fuse box setup already so I've wired to that. This compressor needs a 40 amp feed so if you don't have that down the back then I guess you'll need to run a cable down from the main battery and for that you may want to look a the Traxide DBS setup documentation for a detailed explanation of that process.

    The TJM compressor is suitable for a twin lockers and has a wiring harness to cater for that, so I chopped off a lot of surplus wires. Luckily the ones I didn't want got chopped.
    20210922_154425.jpg

    Hope that helps.
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    Rod

    D4 MY16 5 seat TDV6 - LLAMS, Custom Drawers, OL Bar, Toyo Open Country, GOE Rims, Lithium DBS, eDiff, OA Long Range Tank, GAP Tool, Tracklander rack, Mitch Hitch, TPMS & Safari Snorkel

  4. #14
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    So, tell me again why the existing compressor cannot have an out feed fitted to pump up the very occasional tyre?

    I only ask because my RRC has just that and apart from being a little slow, does the job.
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  5. #15
    BradC is offline Super Moderator
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    Quote Originally Posted by gavinwibrow View Post
    So, tell me again why the existing compressor cannot have an out feed fitted to pump up the very occasional tyre?

    I only ask because my RRC has just that and apart from being a little slow, does the job.
    I calculated the output of the D3 EAS Hitachi compressor in the order of 23LPM @ 16Bar. It will run for a maximum of 5 minutes before it shuts down due to heat.
    It keeps the reservoir at ~16Bar, so you'd need a good high pressure rated regulator.

    It also keeps the moisture balance in the desiccant by discharging everything it pulls through. So it'd want to be "very" occasional or else you'd want to be replacing the desiccant regularly.

    I suppose from that you can figure out if it's worth the hassle. Frankly for an occasional tyre I have a little compressor in a bag under the middle second row seat. If I wanted more than occasional then I'd be looking at something like what has been done in this thread.

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