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1995, 9800 air leak on switches

Discussion in 'International Forum' started by silveraden, Sep 6, 2014.

  1. Sep 6, 2014 #1
    silveraden

    silveraden Bobtail Member

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    Aug 29, 2014
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    We purchased a second-hand International 9800 model 1995 and we are on the process of restoration. I never opened this thing before and I don't know if this is repairable. Any help is highly appreciated. Thank you

    [​IMG]
     

    Attached Files:

    Last edited: Sep 7, 2014
    silveraden, Sep 6, 2014
    silveraden, Sep 6, 2014
    #1
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  3. Sep 6, 2014 #2
    Heavyd

    Heavyd Road Train Member

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    That is a standard MV3 valve, or dash park brake valve. There are orings in side that dry out/rot. You would replace that whole valve.
     
    Heavyd, Sep 6, 2014
    Heavyd, Sep 6, 2014
    #2
  4. Sep 6, 2014 #3
    silveraden

    silveraden Bobtail Member

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    Aug 29, 2014
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    Can I replace just the orings? I'm in Philippines and spare parts for these American trucks are very limited. And I guess this whole valve is too expensive.. Thanks
     
    silveraden, Sep 6, 2014
    silveraden, Sep 6, 2014
    #3
  5. Sep 6, 2014 #4
    baha

    baha Road Train Member

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    Be very care/full taking the valve apart over a pan, springs and parts will be everywhere after pulling face off front of valve, o/ rings are smaller/thiner than ones found at hardware store?
     
    baha, Sep 6, 2014
    baha, Sep 6, 2014
    #4
  7. Sep 6, 2014 #5
    silveraden

    silveraden Bobtail Member

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    I will try to dismantle this whole thing tomorrow and will check if I can find similar Oring from auto supply stores here. I found a replacement valve and it costs $130 including shipping from Ebay.
     
    silveraden, Sep 6, 2014
    silveraden, Sep 6, 2014
    #5
  8. Sep 7, 2014 #6
    Pahrump

    Pahrump Medium Load Member

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    best to replace both valves..order on the net you can get next day shipping world wide,, these valves are not rebuildable
     
    Pahrump, Sep 7, 2014
    Pahrump, Sep 7, 2014
    #6
  9. Sep 7, 2014 #7
    silveraden

    silveraden Bobtail Member

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    Aug 29, 2014
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    This truck has been out of operation for more than 3 months but we always turn the engine ON almost everyday to warm-up everything. I'll see if what I can do tomorrow. Thanks
     
    silveraden, Sep 7, 2014
    silveraden, Sep 7, 2014
    #7
  10. Sep 7, 2014 #8
    EHB

    EHB Medium Load Member

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    Apr 26, 2011
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    Some units you can rebuild
     
    EHB, Sep 7, 2014
    EHB, Sep 7, 2014
    #8
  11. Sep 7, 2014 #9
    Heavyd

    Heavyd Road Train Member

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    Sometimes you can just wiggle the buttons up and down to help slow down the leaks. Yes, you can install a seal/oring kit. I'm not a big believer in that. The valving is just plastic and also several years old. It will be worn. I recommend to replace it and be done with it.
     
    Heavyd, Sep 7, 2014
    Heavyd, Sep 7, 2014
    #9
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