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  1. #1
    Join Date
    Aug 2011
    Location
    Melbourne
    Posts
    4,243

    Default Bijur one shot metering proportioners

    Hi all,

    For some time I have been looking at replacing the one shot metering valves on my mill. I have ultrasonically cleaned them to an inch of their life but I suspect they need replacing. A single pull on the lube pump seems to take 1/2 a day for the oil to ooze out of these No.3 oilers, perhaps a bit quicker with ISO15 hydraulic oil but still, It seems a bit slow.

    So far I can only find two places that stock them for a reasonable price; Arc Euro Trade and also an eBay store in the US. The US ebay site has them for US $5.00 for two which is about as cheap as you can get them but by the time you ship them here, the price goes up. Is there anywhere in Aus that sell these or similar items?

    Cheers,

    Simon
    Girl, I don't wanna know about your mild-mannered alter ego or anything like that." I mean, you tell me you're, uh, super-mega-ultra-lightning babe? That's all right with me. I'm good. I'm good.

  2. #2
    Join Date
    Sep 2012
    Location
    North Yorkshire UK
    Posts
    2,964

    Default

    Best Regards:
    Baron J.

  3. #3
    Join Date
    Dec 2013
    Age
    52
    Posts
    621

    Default

    AliExpress mate, they have both types of oil systems SLR and PDI, you can buy a whole system for under $80 with all lube points tubing etc.
    Also all fittings are available separately so cheap
    Using Tapatalk

  4. #4
    Join Date
    Dec 2013
    Age
    52
    Posts
    621

    Default

    Here is a screenshot of one seller
    Using Tapatalk

  5. #5
    Join Date
    Aug 2011
    Location
    Melbourne
    Posts
    4,243

    Default

    Thanks Baron, thanks Dave.

    I'm glad I asked!

    Baron, I cleaned my valves in an ultrasonic cleaner using acetone and heat. It certainly improved them but not to what they should be. I will try the method you posted. Failing that I will jump on Aliexpress.

    Cheers,

    Simon
    Girl, I don't wanna know about your mild-mannered alter ego or anything like that." I mean, you tell me you're, uh, super-mega-ultra-lightning babe? That's all right with me. I'm good. I'm good.

  6. #6
    Join Date
    Aug 2011
    Location
    Melbourne
    Posts
    4,243

    Default

    Hi Baron,

    I have boiled the out of these valves and injected/forced acetone and turps through them and boiled again. Tomorrow I will inject/force brake clean through them and then re-boil the crap out of them. It gets to the stage where it no longer becomes ecconomical to try anything more. I can purchase a set of six for $US13 (including delivery) from Aliexpress. Only reason I persevere is cause I hate throwing stuff out AND I like trying stuff...

    I will report back tomorrow...

    Simon
    Girl, I don't wanna know about your mild-mannered alter ego or anything like that." I mean, you tell me you're, uh, super-mega-ultra-lightning babe? That's all right with me. I'm good. I'm good.

  7. #7
    Join Date
    Oct 2011
    Location
    Norwood-ish, Adelaide
    Age
    54
    Posts
    5,372

    Default

    I bought some replacements some time ago for my lathe but never got to use them as they are a US thread and the lathe fittings are British. Just something to watch for.
    Could not find anyone selling metering valves with a BSP thread at the time.

    Michael

  8. #8
    Join Date
    Aug 2011
    Location
    Melbourne
    Posts
    4,243

    Default

    Yea, mine are M8x1. Everything on this mill is metric. The zerk lube fittings on the knee and knee leadscrew are M8x1.25 which makes it a PITA if I want to add them into the lube system.

    Simon
    Girl, I don't wanna know about your mild-mannered alter ego or anything like that." I mean, you tell me you're, uh, super-mega-ultra-lightning babe? That's all right with me. I'm good. I'm good.

  9. #9
    Join Date
    Dec 2013
    Age
    52
    Posts
    621

    Default

    Quote Originally Posted by simonl View Post
    Hi Baron,

    I have boiled the out of these valves and injected/forced acetone and turps through them and boiled again. Tomorrow I will inject/force brake clean through them and then re-boil the crap out of them. It gets to the stage where it no longer becomes ecconomical to try anything more. I can purchase a set of six for $US13 (including delivery) from Aliexpress. Only reason I persevere is cause I hate throwing stuff out AND I like trying stuff...

    I will report back tomorrow...

    Simon
    In the AliExpress app, if you go to settings you can select what country your from and the prices show in Australian dollars, takes the guess work out of converting it from US
    Using Tapatalk

  10. #10
    Join Date
    Aug 2011
    Location
    Melbourne
    Posts
    4,243

    Default

    Thanks Dave.

    Well, after another treatment of boiling soapy water over the stove, then another ultrasonic cleaning and finally some flushing with brake cleaner using some extra pressure from an air compressor, I finally got a result that I'm happy with.

    They all seem to flow roughly the same amount of oil, so happy with that too.

    For anyone with an expensive machine or a machine that does a lot of work, I would not suggest this, just buy new. This is because ultimately, once they are installed, it's difficult to know if they stop working.

    For anyone who doesn't mind spending some time in between other stuff, or can t find the exact same thread or fitting or can't be bothered waiting 4 weeks for delivery, its well worth a go.



    Simon

    Sent from my SM-G970F using Tapatalk
    Girl, I don't wanna know about your mild-mannered alter ego or anything like that." I mean, you tell me you're, uh, super-mega-ultra-lightning babe? That's all right with me. I'm good. I'm good.

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