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GEHL Skidsteer Forum
hydra-mac 8A lift cylinder seal kit?
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<blockquote data-quote="LeoB" data-source="post: 124786" data-attributes="member: 21523"><p>To 1816Case:</p><p></p><p>Based on my experience with my 8B while moving gravel, dirt and stump grinding chips last year, I saw the same problem you are talking about. My bucket was drifting down as I moved from one spot to another. While moving or just before dumping my bucket in the dump trailer, I had to, often more than once, to nudge the boom to raise. </p><p></p><p>I am in the process of completely refurbishing my 8B from the ground up. New Honda Repower engine, bearings, hydraulics, hoses, etc. My hydraulic shop told me my control valve o-rings were too small, 3/32" vs 1/8". In addition to being too small, they looked like my dog chewed on them. Really sad shape. Further, the hydraulic shop said my boom must have been leaking down (sagging). Spot on.</p><p></p><p>My money says your control valve needs some refurbishment. Not too bad to get to. Throw down a tarp and put some oil-dry on it. Disconnect your bucket , move your machine over the tarp, remove the seat and then T-handle control box. There are six hoses going to the valve plus two control rods. Hoses 1 and 3 are your boom. Hoses 2 and 4 are your bucket tilt/curl. Hoses 5 and 6 are your pressure/relief hoses. Four bolts hold the valve in place. Ta-Da, you have the valve in your hands.</p><p></p><p>Now the question is, do the work yourself or send the valve to a shop. Note my comment about the big black plastic covers on the valve in my first post above.</p></blockquote><p></p>
[QUOTE="LeoB, post: 124786, member: 21523"] To 1816Case: Based on my experience with my 8B while moving gravel, dirt and stump grinding chips last year, I saw the same problem you are talking about. My bucket was drifting down as I moved from one spot to another. While moving or just before dumping my bucket in the dump trailer, I had to, often more than once, to nudge the boom to raise. I am in the process of completely refurbishing my 8B from the ground up. New Honda Repower engine, bearings, hydraulics, hoses, etc. My hydraulic shop told me my control valve o-rings were too small, 3/32" vs 1/8". In addition to being too small, they looked like my dog chewed on them. Really sad shape. Further, the hydraulic shop said my boom must have been leaking down (sagging). Spot on. My money says your control valve needs some refurbishment. Not too bad to get to. Throw down a tarp and put some oil-dry on it. Disconnect your bucket , move your machine over the tarp, remove the seat and then T-handle control box. There are six hoses going to the valve plus two control rods. Hoses 1 and 3 are your boom. Hoses 2 and 4 are your bucket tilt/curl. Hoses 5 and 6 are your pressure/relief hoses. Four bolts hold the valve in place. Ta-Da, you have the valve in your hands. Now the question is, do the work yourself or send the valve to a shop. Note my comment about the big black plastic covers on the valve in my first post above. [/QUOTE]
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hydra-mac 8A lift cylinder seal kit?
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