Posted by Ken(Ark) on June 11, 2016 at 07:17:01 from (173.185.122.43):
In Reply to: hydaulic oils posted by taem on June 10, 2016 at 20:51:42:
Quoting Removed, click Modern View to see
The economy 303 was at one time the JD spec oil . After numerous problems the specs were up graded . Most systems do more than hydraulically pressurizing a cylinder and may need high pressure / wear additives for gear contact etc .
Unless you are using the oil in a hydraulic only tank it would be better to stay away from "economy" or "303" hydraulic oils .
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Today's Featured Article - Hydraulic Basics - Part 2 - by Curtis Von Fange. In the last entry to this series we gave a brief overview of hydraulic system theory, its basic components and how it works. Now lets take a look at some general maintenance tips that will keep our system operating to its fullest potential. The two biggest enemies to a hydraulic system are dirt and water. Dirt can score the insides of cylinders, spool valves and pumps. Wate
... [Read Article]
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