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Bobcat Skidsteer Forums
General Bobcat Skidsteer Forum
440B Jumpy Hydraulics
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<blockquote data-quote="Arik434" data-source="post: 99691" data-attributes="member: 14734"><p>I'm going to bring this post back from a decade of being dead, as my machine is acting very similar. OldMachinist, Could you actually run the machine while bypassing oil back to the reservoir through the temp valve that you put in the filter block? I seem to be somehow sucking massive amounts of air into the system. I can watch it almost immediately bubble up though the case drain ports in the tank. I have replaced any of the suspect hoses, and all o-rings on the suction side. I am going to try your test to see if that helps at all, but I am already confident its air in the system...just no clue how that much can be getting in there--especially without any oil leaks.</p></blockquote><p></p>
[QUOTE="Arik434, post: 99691, member: 14734"] I'm going to bring this post back from a decade of being dead, as my machine is acting very similar. OldMachinist, Could you actually run the machine while bypassing oil back to the reservoir through the temp valve that you put in the filter block? I seem to be somehow sucking massive amounts of air into the system. I can watch it almost immediately bubble up though the case drain ports in the tank. I have replaced any of the suspect hoses, and all o-rings on the suction side. I am going to try your test to see if that helps at all, but I am already confident its air in the system...just no clue how that much can be getting in there--especially without any oil leaks. [/QUOTE]
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