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  #1  
Old 11-29-2009, 10:57 AM
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Default 1250 hydro lift

Does the hydraulic lift run from the same oil as the hydro drive? Would low fluid level cause the lift to not raise fully with a front implement attached? With my blower mounted the lift arm stops way short of its travel when not lifting anything. It raises my blower about an inch off the ground thats it. How do I check for problems?
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Old 11-29-2009, 11:40 AM
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Yes to your first question. Are you saying when you raise your thrower the lift cylinder doesn't travel as far as it could be? You don't have the lift stop in the way? If nothing is physically keeping it from traveling all the way, it could be low fluid or maybe your implement lift pressure is too low which is adjusted by shims. Now if your cylinder is traveling all the way and maxing out, maybe your lift rod is the wrong length.
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Old 11-29-2009, 12:21 PM
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If I disconnect the lift rod to the blower and watch the travel of the lift arm , it goes an inch higher without the rod attached. Once I attach the rod it will go about half the traval without .
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Old 11-29-2009, 06:10 PM
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Check the spring pin in the shaft where it connects to the cylinder. Just had the same problem on a 149, had to replace pin.
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Old 12-02-2009, 04:27 PM
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Not sure what pin your talking about. I took the tunnel cover off and there is a welded pin on the lift arm that gos through the hydro arm. Or are you talking about up underneath the dash?
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Old 12-02-2009, 04:42 PM
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The rockshaft is attached to the lift shaft/arms by spring pins and if they are sheared the outer shaft will spin on the inner shaft when there's significant weight to lift. Pull your driveshaft access cover and watch to see what happens when you try to lift the thrower.
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Old 12-02-2009, 06:02 PM
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I did that last night . I am not seeing any spring pins . I guess I dont quite understand. I watch the cylinder fully extend when no load. But once loaded it stops at about 3/4 travel. I will try and get a pic of what is there.
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Old 12-02-2009, 07:19 PM
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Now i'm understanding you better. You're saying that the cylinder actually stops moving when it starts to lift the thrower yet it will move all the way when the thrower isn't connect to the lift. If thats the case then it has nothing to do with sheared pins and the rockshaft. It sounds like your implement lift pressure is not correct. Did you convert that 1250 to hydro lift or did it come from the dealer like that? You need to get the service manual and see if your implement lift pressure is out of specs.
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Old 12-03-2009, 06:40 AM
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I would guess it to be original but not really sure. I have read the manual on checking pressure but not sure where to get the guage required.
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