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clear hydraulic oil?

Discussion in 'Lubrication' started by Randy88, Sep 8, 2019.

  1. Randy88

    Randy88 Senior Member

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    Ok guys, someone knows how to remedy this issue. Most all hydraulic oils are clear, for years in order to see the level is clear sight gauges I'd had a company that sold a colored hydraulic oil, maybe not the exact type needed but by adding a few quarts or gallons it would color it enough for anyone to see it on dipsticks and in sight gauges but now they quit making it and selling it near me.

    What do you guys do in order to see clear hydraulic oil on dipsticks and in sight gauges??

    These plastic tanks are killing me, just the other day we again overfilled a reservoir because you absolutely can't see how full it is, that's twice in the last month we've had to drain some out after we first blew a hose, then filled it back up thinking we were way low, only to find out where we thought the level was, was wrong to start with so we ended up overfilling it.

    Is there some sort of dye available to put in clear oil to give it some color so matter what you can actually see it on a dipstick or through a plastic tank or in a sight gauge?

    I was first thinking, maybe add some automatic tranny fluid to it, that's bright red and a few quarts should give the whole tank a faint color to see?

    I voiced my opinion about the local company discontinuing the dyed hydraulic oil, but they were right, they only sell the stuff, they don't make it and nobody listens to them either, they too were upset its no longer available.

    CaseIh hytran has some tint to it, but not as much as it used to have, what else is out there??

    I can't be the only one checking levels in poor light, in the dark or through old sight gauges that are now cloudy or scratched.

    If anyone has a solution to this, maybe then you can tell me where to buy impact sockets that have colored, engraved numbers on so I can read those as well years after being used and abused. LOL
     
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  2. Jonas302

    Jonas302 Senior Member

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    I throw some ATF in it can be really hard to see sight glass on cat graders and loaders without it

    I know someone probably Nige mentioned a cat dye I cant find the thread that it was in though
     
  3. Ronsii

    Ronsii Senior Member

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  4. Randy88

    Randy88 Senior Member

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    Do those dyes stain the plastic clear tanks or just mix with the oil itself?
     
  5. Ronsii

    Ronsii Senior Member

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    Good question....???? IDK I'll have to see if I can find the SDS sheets on em' and see if anything makes sense :)
     
  6. Tinkerer

    Tinkerer Senior Member

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  7. Nige

    Nige Senior Member

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    From my experience they simply colour the oil leaving the material of the sight glass or plastic tank clear. The key is don't put too much in......

    upload_2019-9-9_17-51-5.png
     
    Last edited: Sep 9, 2019 at 10:00 PM
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  8. Randy88

    Randy88 Senior Member

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    I'll check into it this week and give it a try, thanks guys.
     
  9. kshansen

    kshansen Senior Member

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    Retired Mechanic in Stone Quarry
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    While we are on the topic of "Dyes" here are some that maybe of interest:
    Cat UV Dyes.png

    I never had the opportunity to use them but can see where they could be handy, just need an ultra-violet lamp to view them. I did see one reference for using them to locate injectors leaking in to engine oil where you used a hand pump to pressurize the fuel rail with this dye mixed with fuel oil and then watched for a glowing line coming from the injector under the valve cover.

    Nice thing is this chart says how much to mix in the systems!
     
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  10. wornout wrench

    wornout wrench Senior Member

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    What Nige said.

    DO NOT PUT TOO MUCH IN.

    A little goes a long long way.
    I always start off with about 1/2 of the rated amount and go from there.
     
  11. heymccall

    heymccall Senior Member

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    If you have a UV lamp, offroad, dyed, diesel already fluoresces. At least on the offroad here in Pennsylvania.
     
  12. Nige

    Nige Senior Member

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    We used to run an engine from an external tank/can of fuel doped with UV dye to look for leaks, or at least run the fuel tank down to the minimum safe level that we possibly could before adding the dye. It was far easier than trying to mix larger quantities of dye in the fuel tank of the equipment.
     
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