SHIFTY
Gold Member
Id agree about the fluid,That will have the most effect with temperature change
Ok. The fluid is problem #1. That's UTF, and your tractor is NOT made to use UTF. It's too thin for the gears, too thick for the hydraulics. Drain/flush/refill the hydraulic sump with AW32. Careful there too - AW32 hydraulic fluid, not AW32 machine oil, R&O, or anything like that. Drain/flush/refill gear boxes and differentials with 80W90 or 85W140 - whichever is more suited for your temperature extremes. I'm in western Kentucky for example. I'm shifting to 85W140 because July and August have proved too hot here to run 80W90 in my KAMA gear boxes.grsr3 said:Thanks for replies. Will try to answer everyone here. The loader is a "Koyker 160". The "Operation Manual" lists the pump as a 306. As far as "RonMar's" question about the plumbing and restrictions I can only say that everything looks to be original factory stuff. The fluid I'm using is as follows:
"COASTAL MULTITRAC"-
No,. Measure the black part.grsr3 said:Just went out and measured the chrome piston rods on the loader cylinders and found all to 1".
That's the problem with minimum wage hire in a farm store. The number is the viscosity indicator, higher is thicker. ISO is the international standard designator, AW is the American standard designator. In the end - they both mean the same thing. AW/ISO32 has a viscosity equivalent roughly equivalent to 10W engine oil, 46 is a thin 20W, 68 is a thick 20W, 100 about 30W, and so on. But the designator can in some cases apply to either hydraulic fluid or machine oil. Make sure of what you're buying.grsr3 said:Would it be the same as an AW ISO 32??
Personally, I'd flush, especially if there's no record of it ever having been done. Don't believe I'd want old UTF mixed with my new AW32. And if you flush properly - which includes purging the cylinders - there should be no meaningful kero residuals to worry about.RonMar said:Drain the system, refill it with new AW-32. The ammount of fluid contained in the cylinders, plumbing, pump and valve are probably about 25-30% of the total volume. This will give you a roughly 70-30 mix of old and new fluid. If the oil; you are taking out is in good shape, this probably won't be a problem.