Posted by caterpillar guy on March 31, 2023 at 11:27:55 from (47.26.9.191):
In Reply to: 3pt backhoe issues posted by Cmcinville on March 31, 2023 at 06:27:53:
A few things. I think your return hose to the pump from tank is to small, it needs a wire reinforced hose or other method than metal line. It will eventually crack break the metal line if it moves at all. Then what oil are you using in it. Heavy oil will not flow well and in cold weather will starve a pump. I would use some regular THF ( tractor hydraulic fluid). If there is a filter it might be restricting flow. Then I'm not sure you have enough reservoir for the pump, yes it is only pumping from one side to the other of the cylinders but cooling can become an issue with the low volume of oil. then level of reservoir in relation to pump might also starve pump. watch for any kinked lines as you operate the hoe those will do what you are saying also. We had an old Shawnee hoe decades ago we connected to the couplers on the tractor then just tied the lever. This was on an 830 Case worked fine like that.
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