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Bobcat Skidsteer Forums
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Aux Hydraulics
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<blockquote data-quote="skidsteer.ca" data-source="post: 9716" data-attributes="member: 307"><p>I'd say my 773 laboured quite hard , with the pump up to relief pressure 27 hp was being drawn from the engine, and it sould like it was using 1/2 or more of its power.</p><p>I'd say normal pressure just to return the oil through the hoe back to the tank should be 50 psi or so.</p><p>I one time I had the flow reversed to the hoe it just acted all goofy. The hoe levers did not make each function moved in the correct direction and speed and power was way off.</p><p>I'm not sure if the couplers can malfunction to restrict flow (I have only seen them leak) but that may be a thought.</p><p>Oh one more thought.</p><p>My 709 had a safety valve inside the left stabilizer that butted up against the loaders QA when installing the hoe, it blocked the oil flow in the event the hoe was not correctly latched to the loader.</p><p>When I got the hoe 2nd hand the previous owner had been placing cardboard inside there to give the button a little extra push because it was not opening fully.</p><p>Yours may need adjusting if it has this safety feature. I adjusted mine onto a shelf after the first time a renter unhooked my hoe in a position where it leaked and tilted backwards. I went to his place to pick up my equipment at night. I knew he was gone for the weekend.</p><p>I connected the aux hoses to right the hoe as I did with my 909 and it would not move and I had no help to hold the button in. What a pita it was to get everthing loaded that night. If you have that vavle I'd bet you money the problem is there.</p><p>Ken</p></blockquote><p></p>
[QUOTE="skidsteer.ca, post: 9716, member: 307"] I'd say my 773 laboured quite hard , with the pump up to relief pressure 27 hp was being drawn from the engine, and it sould like it was using 1/2 or more of its power. I'd say normal pressure just to return the oil through the hoe back to the tank should be 50 psi or so. I one time I had the flow reversed to the hoe it just acted all goofy. The hoe levers did not make each function moved in the correct direction and speed and power was way off. I'm not sure if the couplers can malfunction to restrict flow (I have only seen them leak) but that may be a thought. Oh one more thought. My 709 had a safety valve inside the left stabilizer that butted up against the loaders QA when installing the hoe, it blocked the oil flow in the event the hoe was not correctly latched to the loader. When I got the hoe 2nd hand the previous owner had been placing cardboard inside there to give the button a little extra push because it was not opening fully. Yours may need adjusting if it has this safety feature. I adjusted mine onto a shelf after the first time a renter unhooked my hoe in a position where it leaked and tilted backwards. I went to his place to pick up my equipment at night. I knew he was gone for the weekend. I connected the aux hoses to right the hoe as I did with my 909 and it would not move and I had no help to hold the button in. What a pita it was to get everthing loaded that night. If you have that vavle I'd bet you money the problem is there. Ken [/QUOTE]
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