Posted by mkirsch on January 13, 2015 at 12:27:34 from (72.45.143.81):
In Reply to: Hydraulic oil smells posted by Geo-TH,In on January 13, 2015 at 10:48:43:
What is it and how are you using it?
11 cylinders with 5 gallons of hydraulic fluid... Sounds like a compact tractor with a loader (4 cylinders) and a backhoe (7 cylinders).
Either we're looking at a poorly designed system, or you're trying to do more with it than it was designed for. Some of these little tractors just aren't designed to dig trenches all day. If you're putting on 300 hours quick enough to notice a pattern with the oil smell, you're working that little guy HARD.
You cool oil with an oil cooler. It looks like a radiator but instead of water, the hydraulic fluid runs through it. Depending on your tractor it may not be feasible to put an oil cooler in the system.
If the backhoe is detachable the best place to put an oil cooler would be in the return line from the backhoe.
Another option would be additional fluid capacity. Again, you could install this in the return line from the backhoe. The backhoe would push oil into the auxiliary tank, and the auxiliary tank would push oil into the tractor. Another 5 gallons would probably be enough.
One challenge will be finding a place out of the way for a 5 gallon tank or the oil cooler, where it won't stick out but will still work.
Then again you may just be working the machine too hard.
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