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70XT driving issues when warm
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<blockquote data-quote="majorpup" data-source="post: 75900" data-attributes="member: 10915"><p>Hi, new to the site and like it very much, I have a case 70xt I bought for what I thought was a fair price. When originally purchased, the loader arms would raise but would not go back down. Found through a service guy that it was some reg. valve that was stuck in which the shop had replaced. I have used in very little up to the other day, in warm weather. When it first starts up, the froward and reverse seem to work ... ok... (comparing it to an 85 and 95 machines that i have ran, it seemed a little slow, but I just seemed to take that for a machine size difference) What did happen was after about 15 - 20 minutes of running, the forward and reverse was almost completely gone. It would move, sluggishly in forward or reverse if both handles were pushed in that direction. BUT, if you attempted to turn either way (one in neutral and the other forward or back) it would do almost nothing. You could feel that something was going on (like the fluid was trying, but very little movement at all). You can get it to turn by tweaking, and shifting the handles to give it a little umph... but almost total loss of power. I don't know too many specifics on these machines, but seeing that both controls loose their umph at the same time gives me the belief of a single pump issue, but I'm not sure on how the pumps work. Or if one single hydraulic pump supplies both hydrostat pumps or not. has anyone had similar issues to know of any quick checks to see what may be going on? thanks in advance for any help you can offer!</p></blockquote><p></p>
[QUOTE="majorpup, post: 75900, member: 10915"] Hi, new to the site and like it very much, I have a case 70xt I bought for what I thought was a fair price. When originally purchased, the loader arms would raise but would not go back down. Found through a service guy that it was some reg. valve that was stuck in which the shop had replaced. I have used in very little up to the other day, in warm weather. When it first starts up, the froward and reverse seem to work ... ok... (comparing it to an 85 and 95 machines that i have ran, it seemed a little slow, but I just seemed to take that for a machine size difference) What did happen was after about 15 - 20 minutes of running, the forward and reverse was almost completely gone. It would move, sluggishly in forward or reverse if both handles were pushed in that direction. BUT, if you attempted to turn either way (one in neutral and the other forward or back) it would do almost nothing. You could feel that something was going on (like the fluid was trying, but very little movement at all). You can get it to turn by tweaking, and shifting the handles to give it a little umph... but almost total loss of power. I don't know too many specifics on these machines, but seeing that both controls loose their umph at the same time gives me the belief of a single pump issue, but I'm not sure on how the pumps work. Or if one single hydraulic pump supplies both hydrostat pumps or not. has anyone had similar issues to know of any quick checks to see what may be going on? thanks in advance for any help you can offer! [/QUOTE]
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70XT driving issues when warm
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