Posted by Mike (WA) on March 12, 2008 at 07:37:15 from (69.10.197.246):
In Reply to: Hydraulic posted by Wild Bill Caldwell on March 12, 2008 at 05:40:45:
I have a 504, and the loader runs off the tractor hydraulics. Loader slow to lift. There was a pipe plug on the side of the transmission case, with a 1/4" bolt tapped into it. Obviously, the level plug, with a handy way to check level. Kept checking level, always OK. Finally, decided the pump was tired, so found another. Took off the side cover to replace pump, got to looking and "long story short", discovered that what I thought was the level plug would keep it permanently low on oil (just barely to the bottom of the pump intake- so it was sucking air part of the time). Put about an inch more oil in, works like a champ. Still haven't figured out that plug with the bolt tapped into it- 'course, maybe thats why it was for sale. . .
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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
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