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Thread: Air Fittings, Compression / Push to Connect

  1. #11
    Join Date
    Feb 2018
    Location
    conifer
    Posts
    134

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    What's the best source for the Parker fittings?
    John Dyer
    1996 Marathon 45 with IFS

  2. #12
    Join Date
    Mar 2013
    Location
    Chicago
    Posts
    3,988

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    If u haven't been able to pin down a local supplier I can give u mine. I put phone orders and they ship to me everywhere. Even when shipping is involved prices r good.

    Precision Hose
    Lansing Il
    708 474 4466
    1990 Peterbuilt 377
    3406 B Caterpillar
    13 Speed Roadranger
    No Norgrens


    1 day on paper no machines

  3. #13
    Join Date
    Oct 2019
    Location
    Tucson
    Posts
    141

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    Quote Originally Posted by Joe Camper View Post
    If u call me I'll go through exactly what u need in terms of sizes and I'll send u the group and they will all be parker.

    If u r unsure of sizes u can text me pictures.

    Get a list started. Let me help u.

    Absolutely do not buy anything but parker.

    Some of the stuff in home Depot and Lowe's r flat out chincy. Fleetpride in OK City recently put some "parker type" Chinese stuff in my hands. In the past they sold parker dont know if it was a local phenomenon or not.

    When buying a fitting if it is not marked multiple times with a p.p.p.And parker dont put it on your bus.

    The Chinese look alike squeal like a pig tightening up some dont ever seal and I've snapped one trying to tighten away bubbles. I have never snapped a parker ever.

    That line, any of them, in the engine room get HOT. Lots of times they put braided steel line in there. Use the same that's used on the rest of the bus and anything in the engine bay if not braided covering it with black plastic wire loom protector to insulate it some.

    Give me the line size I'll send u that too.

    The small black is 1/4in.

    Joe,,

    I need help fixing my air system, been looking around for best fittings and hose to use and found this post,

    Question, Did anyone ever create a list for air system fittings and hose sizes ? where to purchase, Etc ??

    Also found lots of info on making your own leak detector found a lot of people saying they make their own, but no recipes ?

    Rick
    2000 Prevost Liberty H3-45 Hamden Edtion

  4. #14
    Join Date
    Mar 2013
    Location
    Chicago
    Posts
    3,988

    Default

    U want a rundown of the suspension fittings specifically?This is what I was refering to.

    If u r after brake tank or aux air issues that is not something I can just put an order togeather in advance on.

    Let me give u some common leak points for chassis.

    The parking brake button both out the stem and at the fittings both.

    Open the dash lid and check the fittings at the gauges

    The seat both above and below the floor.

    The black 1/4 in signal lines to 2 of the 4 above the rear suspension brake relays. On an h u can listen and sniff those by pulling 1 or 2 house batteries over the drives. They r push in fittings.

    The push ins coming off the brake pedal valve under the drivers seat.


    Air tank drains.

    Aux is more Liberty specific but check the stems of the ride height valves where the arm mounts up. If it leaks there with key off that's chassis aux air leaking.

    I use amprobe Amazon has it. Takes practice and it's not a do all end all. I also listen and paint dawn dish soap straight with a small artists brush.

    My supplier is Precision Hose
    Lansing Il

    Tell me if u r doing the suspension I can put an order togeather for u.

    Good luck.
    Last edited by Joe Camper; 02-02-2020 at 01:51 PM.
    1990 Peterbuilt 377
    3406 B Caterpillar
    13 Speed Roadranger
    No Norgrens


    1 day on paper no machines

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