Condensation or water in hydraulics

[The Haymaker]

On my NH2220, don't know how it is getting in there, whether it be condensation or water coming in a vent, but any ideas how best to get it out?

Don't really want to have to do multiple (expensive) flushes, as the oil is only a year old now.

I'm guessing hydraulic filters do not function the same as fuel filters, capturing water?

 

[Gizmo2]

Not sure if it is true but I read someplace that hydraulic cylinders will suck in water when used in snow removal attachments. Sort of makes sense but...don't know what one would do about it.

 

[oldnslo]

On my NH2220, don't know how it is getting in there, whether it be condensation or water coming in a vent, but any ideas how best to get it out?

Don't really want to have to do multiple (expensive) flushes, as the oil is only a year old now.

I'm guessing hydraulic filters do not function the same as fuel filters, capturing water?

How much water are you getting? Can you let the tractor sit for a period of time and then drain the water off the bottom?

There are companies that make water removal filter elements but I doubt they would fit on your machine. Maybe could rig one up to connect to your QD's and loop the flow through it for a while.

Schroeder Industries is one company that makes water removal elements.

Roy

 

[AKKAMAAN]

Water removal filters is a VERY expensive solution, if there is a lot of milky oil....

Water get into tank/system many different ways....



Air is always a source of moist, and will condensate inside the reservoir walls....keep a minimum air volume in the tank...

Make sure drain plug is at lowest point on tank, drain a few oz every now and then...check the sample for water or "milk"

Snow and water on top of reservoir, can get sucked in via air breather filter, or other connection on top of reservoir...Make sure all attachments on top of tank is raised above....see this fill cap is raised about one inch, could be 3-4" too..

Bulk containers (barrels) have to be stored properly, if out side, they need to be leaning so water do not accumulate on top....temp changes will make airpressure change inside and suck in water....

Suction lines/connections will suck in water if leaking....

I do not think cylinders are the problem as long as anti cavitation valves are used (no vacuum inside cyl)

 

[art]

Water is heavier then oil!!! Park it where you could drain off any water from the differential drain before starting after allowing it to sit over night.

 

[glastron23]

here's a little test you can do to check the amount of water in the oil, Monitor Water-In-Oil with the Visual Crackle Test
We use this as a quick check ... just be careful with the hot oil ... Jim

 

[wdchyd]

here's a little test you can do to check the amount of water in the oil, Monitor Water-In-Oil with the Visual Crackle Test
We use this as a quick check ... just be careful with the hot oil ... Jim

Best to test for water like this to make sure you don't have aeration (air entrainment) which can look like water (milky)

 

[The Haymaker]

Not sure if it is true but I read someplace that hydraulic cylinders will suck in water when used in snow removal attachments. Sort of makes sense but...don't know what one would do about it.

I have used it to move a lot of snow. Condensation maybe? Hmm....

 

[The Haymaker]

How much water are you getting? Can you let the tractor sit for a period of time and then drain the water off the bottom?

There are companies that make water removal filter elements but I doubt they would fit on your machine. Maybe could rig one up to connect to your QD's and loop the flow through it for a while.

Schroeder Industries is one company that makes water removal elements.

Roy

I haven't actually drain off oil, only going by what I see on the stick. There is enough so there is the usual glob of white on the tip of the stick after setting, and actual milky oil on it after use.

I am amazed there is any issue at all, as ALL the oil was replace after a punji stick incident a little over a year ago. This weekend I will go in a little deeper to find out.

 

[The Haymaker]

Best to test for water like this to make sure you don't have aeration (air entrainment) which can look like water (milky)

Definitely water. I started craving vanilla popsicle after an inspection of the dipstick at 0f.