Water in the hydraulics in my Siromer 204E remedy please.

[AnotherBueller]

Never meant to imply I would not flush a hydrostatic drive. I apologize if I implied that. I merely meant that I would not flush with diesel fuel on a hydrostatic drive.

Thank you for the clarification. I as someone who was trained once apron a time in hydraulic systems must confess that I don't know enough to comment on that suggestion. It would NOT be allowed on aircraft systems.
You must flush the hydrostatic system which is the biggest user of hydraulic fluid.

 

[Up to the Axles]

Can you boil the water out of the hydraulic fluid?

 

[AnotherBueller]

Can you boil the water out of the hydraulic fluid?

Per ISO 32-46-68-100 Hydraulic Oil Temperature Range | Hydraulic Oil Specification Chart
and taken out of context -

Operating Temperature as a System Health Indicator​

Hydraulic oil starts breaking down at around 140°F. For every 15° above 140°, the life of the oil is cut in half. Hydraulic oil life is halved at 155°F and halved again at 170°F

and from Hydraulic oil: How hot is too hot?
5th paragraph: For hydrostatic drive systems, they’re gonna run a little hotter. 'So 160° F is a good temperature to shoot for.'

And from The Role of Temperature Control in Hydraulic Oil Reliability

11th -paragraph '

• Minimum start-up temperature – 40°F
• Ideal operating temperature – 120°F
• Max temperature for 100% life – 140°F
• System noise may increase due to thinner oil.
• Oil life is cut in half at 140°F – 155°F.

Since the vapor (boiling) point of water is ~212 degrees F at sea level and we don't want it to get over 212, I don't advise it. I googled boiling point of water at altitude and found out that way won't work either

 

[arrow]

Can you boil the water out of the hydraulic fluid?

No. Well you can with proper equipment. What can be used is what's called a "buggy system". This is a separate evaporator/absorber attached to the hydraulic system and acts like a dialysis machine used on humans.
We used these on dozers.

 

[arrow]

While I agree that all cylinders (which includes FEL cylinders) should be cycled (several times) as a part of the flush, leaving the loader in a raised position has little to no effect on the amount of oil that is in the cylinders on a dual action (hoses at both ends of the cylinder) hydraulic cylinder. The rod is pushed in both directions by hydraulic oil. In reality there is slightly more oil in the cylinder with the rod extended as the rod is not occupying space (volume) inside the cylinder.

Meant for drain back on hoses. Trying for "every little bit helps."
Isn't much to be done in this way on cylinders unless worked. It is why I suggested "extensive use" for tractor.
Any chance of Clearing a cylinder involves usage.

 

[arrow]

I have a 1960 International 404 with serious water leaks. Gaskets/seals are no longer available or outrageously priced. An old farmer told me to drain system, disconnect all hoses to drip dry and fill with kerosene. My hydraulic pump has a whine in it with water present. I do this every two years or so and the whine stops within seconds. The fluid is thin so seals may leak for a while but are fine after you drain it (change filters) and refill with appropriate hydraulic fluid. I don’t know about hydrostatic drives as to if it’ll hurt it but I’ve driven mine for months with kerosene in the system.

Yeah because any liquid is not nearly as compressible as gasses. Some consider liquids as "non compressible". I also heard of using tranny oil mixed with acetone to clear out systems but I'd be hesitant using this concoction on a hydrostatic.
Supposed to be an excellent rusted bolt loosener however.

 

[arrow]

if you wanted to get fancy and have a vacuum pump on the farm, you could pull a vacuum on the oil which will cause the water to boil off and get pulled out of the oil as a vapor.

I'd like to see this happen "down on the farm".

 

[AnotherBueller]

No. Well you can with proper equipment. What can be used is what's called a "buggy system". This is a separate evaporator/absorber attached to the hydraulic system and acts like a dialysis machine used on humans.
We used these on dozers.

I'd love to read more about this. Could you PM me if you don't want to put it out here?

 

[arrow]

I'd love to read more about this. Could you PM me if you don't want to put it out here?

This is just one example. There are filters for particulates and water extraction but most look like this example.
Many companies make these carts. If you're running an excavation company, some feel this is a mandatory piece of equipment.

Portable Oil Filtration & Kidney Loop Filtration Cart | COMO Filtration

Easily moved from one machine to the next or from job to job, COMO’s portable filter carts deliver superior Multi-pass Filtration. Call today!

www.comofiltration.com

 

[AnotherBueller]

This is just one example. There are filters for particulates and water extraction but most look like this example.
Many companies make these carts. If you're running an excavation company, some feel this is a mandatory piece of equipment.

Portable Oil Filtration & Kidney Loop Filtration Cart | COMO Filtration

Easily moved from one machine to the next or from job to job, COMO’s portable filter carts deliver superior Multi-pass Filtration. Call today!

www.comofiltration.com

Thank you for the information. Interesting reading, from the info I can see how it would work. Kinda like a fuel polisher. depending on how much contamination could go through a lot of filters.
Took a look at the smallest one and I don't think the OP's pockets are deep enough $$$.