Another whats this???

Discussion in 'Motorhome Chat' started by Busman, Oct 27, 2013.

  1. Busman

    Busman Funster

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    Got these two dials next to the passenger seat on my new (to me) motorhome, my idea is its some think to do with suspension, any idea's please and how to work it.
    [​IMG]
    Thanks, Dave.
     
  2. pappajohn

    pappajohn Funster Life Member

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    yep....remote pressure gauges for air suspension.

    somewhere will be either a built in compressor or air line connectors.

    just noticed the connectors are below the dials.

    no idea of pressures needed but simply connect an air line or foot pump to the valves and inflate.

    i would start at 3 bar (40psi) and see how it sits/drives.
    the rear airbags on my 7500kg RV run at 60psi (4.5bar)
     
    Last edited: Oct 27, 2013
  3. laneside

    laneside Funster

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    I think you are spot on as it is air suspension.

    Somehow you can pump it up, perhaps with a built in pump, and you can let either side down individually with the buttons below the gauges. They may even be the valves for pumping the suspension up with

    Advice given to me is do not drive with them on zero
     
    Last edited: Oct 27, 2013
  4. SandJ

    SandJ Read Only Funster

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    As John says air pressure
    It looks like they are both on zero which may mean they have been removed or they are not working. You should not let them totally deflate, attach an air pump to either valve and see if they go up and stay up:thumb:
    I will try and get you some instructions to help
     
  5. B-well

    B-well Funster

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    all correct, air suspension shrader valves so will take footpump or airline, now u have to pump up and drive van laoded and see how van sits and rolls on cornering, adjusting level as required by letting air out through shrader valve the same as you would on car tyres:thumb:
     
  6. SandJ

    SandJ Read Only Funster

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  7. pappajohn

    pappajohn Funster Life Member

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    they look like shreader (inflation) valves to me but i could be wrong.
     
  8. SandJ

    SandJ Read Only Funster

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    Inflation and deflation same as a tyre valve
     
  9. Peter & Elaine

    Peter & Elaine Funster

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    Looks same set up as our airide system
    Dont run with less then 20 psi you could damage airbags
    We run at
    Weekend away light load 30 psi
    Up to well overloaded as usual 50 psi
    Max I have in 70 psi and much too hard a ride
    Keep playing round till you get it right for your preferences
     
  10. Busman

    Busman Funster

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    Thanks good info to start from,
    Think there's going to be a bit of trial and error here, The person who had the MH before me had it for 6yrs and never put any air in. Didn't know and wasn't bothered.
    If the air bags are damaged would the normal suspension still be ok ??.
    Thanks for your reply's
    Dave
     
  11. Peter & Elaine

    Peter & Elaine Funster

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    Put air line on and start to inflate to about 20 psi and go round back to listen for leaks if ok I would go to 30 psi and set it exactly at 30
    Leave for a few days and mayby a short run if it goes down you have problem if it remains on 30 you are lucky no leaks
    When you start to inflate back end of van should go up a bit
    This is normal on ours from 0 to 50 psi will give about 6 inch of lift measured at towbar
    When you get it right you will be suprised at hiw much differance in ride of van much more stability
     
  12. Busman

    Busman Funster

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    Well been round friends where MH is and put 2bar in and it seems to be staying at that. could be lucky here :Smile:
     
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