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Hydraulic fluid is milky

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Bill Reagan

01-16-2002 10:40:44




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The hyd. fluid in my "new" 1972 International Harvester 3400A Tractor, Loader, Backhoe was 6 gallons low (cylinder leak) so I added some Stuff I got from O'riely auto parts store that says it meets or exceed the IH HYTRAN fluid it requires. [I don't know what the previuos owner put in. I don't know the condition of my hydr. filter.] Now when I check it, it is full but is milky like it has water in it. Can't see any place water could get in! The backhoe digs fine but I have not been able to lift the whole tractor up with it to move it sideways (lacks power). I have never ran the throttle way up, just a little over half. Since it is a 50 HP engine, would it need to be full trottle to have enough power?
Also, one of the about 1-3/4" diameter "return lines" under the tractor has been hit with a rock and is caved in about 75% of its flow. Is that my problem?
There are hoses with 2 clamps holding that line on to other lines. When I replace this pipe, can I replace the hoses with standard radiator hoses of the correct diameter, or will the hyd. fluid eat or bust them? Where could I get hoses (about 1-3/4 " ID and only 5 inches long? (cheap and easy!)
Thanks, Bill

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Kurt

01-16-2002 11:16:39




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 Re: Hydraulic fluid is milky in reply to Bill Reagan, 01-16-2002 10:40:44  
I will guess that the reason that the fluid is milky is because the tractor is subjected to temp extremes and it should just be condensation mixed in with the fluid. I changed the trans fluid in my 41 H about a month ago and it looked like chocalate milk. The return line you mentioned should be changed out you may be able to put solid pipe or steel tubing in place of the hose.



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Bill Reagan

01-16-2002 15:53:15




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 Re: Re: Hydraulic fluid is milky in reply to Kurt, 01-16-2002 11:16:39  
thanks,
there are multiple pcs of pipe. the hoses hook them all together. One is shaped like a T.
coming out of the pump is a pipe and the hose connects the crushed pipe to it. I don't know what it all looked like from the factory in 1972. might have all been pipe with no hoses.

Does any one know?



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