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Farmall & IHC Tractors Discussion Board

Hydraulic Pump Gear

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Posted by PAULIH300 on April 14, 2005 at 16:22:37 from (152.163.101.13):

Is the drive gear for the hydraulic pump on a 300 supposed to have a second keyway groove? Or is this one worn? Right beside the main groove,there is another one off to one side and its exactly the length of the key.You would slip down the main groove and then rotate the gear in one direction to drop into this short groove.Is this a locking feature or is that just wear from a loose gear?

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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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