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Replace Jarmet Sprayer Diaphragm

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  • 23-07-2020 9:01am
    #1
    maco2000
    Registered Users Posts: 28 ✭


    I've the pump taken apart on an 800L Jarmet sprayer and the diaphragms to the left & right of the pump need replacing due to splitting. I'm going to order them from Whites of Portadown today. The top diaphragm seems fine but my question is when I put it all back together do I need to repressurise the top of the pump using the air valve on top of the housing and if so what pressure does it need to be inflated to? Cheers. :)
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    #2
    orm0nd
    Registered Users Posts: 4,180 ✭✭✭orm0nd


    It's supposed to be a certain % under the spraying pressure but I can't remember how much.

    Try around 1 bar and see how it goes.


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    #3
    Donegalforever
    Registered Users Posts: 405 ✭✭Donegalforever


    maco2000 wrote: »
    I've the pump taken apart on an 800L Jarmet sprayer and the diaphragms to the left & right of the pump need replacing due to splitting. I'm going to order them from Whites of Portadown today. The top diaphragm seems fine but my question is when I put it all back together do I need to repressurise the top of the pump using the air valve on top of the housing and if so what pressure does it need to be inflated to? Cheers. :)

    Your best bet might be to enquire from Whites.
    They should have this type of information.


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    #4
    maco2000
    Registered Users Posts: 28 ✭maco2000


    orm0nd wrote: »
    It's supposed to be a certain % under the spraying pressure but I can't remember how much.

    Try around 1 bar and see how it goes.

    I contacted Whites and they said after reassembly do NOT pressurise it. I'm looking forward to getting the parts now so I can try it out.


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    #5
    maco2000
    Registered Users Posts: 28 ✭maco2000


    Donegalforever wrote: »
    Your best bet might be to enquire from Whites.
    They should have this type of information.

    contacted Whites and they said after reassembly do NOT pressurise it. I'm looking forward to getting the parts now so I can try it out.


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