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General Bobcat Skidsteer Forum
Bobcat farmboy
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<blockquote data-quote="DSTEVENS" data-source="post: 96851" data-attributes="member: 13824"><p>Hello everyone, I am progressing on my farmboy restoration and have a question. I have finished fuel system repair/replacement and it runs good, and now I am starting on hydraulics. I drained system and refilled with engine oil, when I pulled drain plug on filter block air blew out, and very little fluid. I have operated this machine some before draining and it makes a cavitation growl at idle, and has a hesitation during the upstroke of boom arms. all hydraulics work and machine moves correctly, but still has cavitation/air sound and stroke hesitation. I figure 31 year old seals or O-rings are dried out, but I pressure washed everything and so far cannot see any leaks. I cut the filter and looked inside, saw nothing in element or inside housing, so I guess that is good news. So I am waiting to do a little light work with it until I figure why hydraulics are acting this way. I have a service manual I am going through as well. Any responses will be greatly appreciated. I have NOT purchased a new OEM muffler yet (a previous question) I have just welded some on old one, and made it do for now. Thank you all. BEST WISHES. D.</p></blockquote><p></p>
[QUOTE="DSTEVENS, post: 96851, member: 13824"] Hello everyone, I am progressing on my farmboy restoration and have a question. I have finished fuel system repair/replacement and it runs good, and now I am starting on hydraulics. I drained system and refilled with engine oil, when I pulled drain plug on filter block air blew out, and very little fluid. I have operated this machine some before draining and it makes a cavitation growl at idle, and has a hesitation during the upstroke of boom arms. all hydraulics work and machine moves correctly, but still has cavitation/air sound and stroke hesitation. I figure 31 year old seals or O-rings are dried out, but I pressure washed everything and so far cannot see any leaks. I cut the filter and looked inside, saw nothing in element or inside housing, so I guess that is good news. So I am waiting to do a little light work with it until I figure why hydraulics are acting this way. I have a service manual I am going through as well. Any responses will be greatly appreciated. I have NOT purchased a new OEM muffler yet (a previous question) I have just welded some on old one, and made it do for now. Thank you all. BEST WISHES. D. [/QUOTE]
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Bobcat farmboy
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