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New Holland Skidsteer Forum
LX885 blowing hydraulic oil out of engine to transmission gearbox
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<blockquote data-quote="jpaul" data-source="post: 115431" data-attributes="member: 20013"><p>Just wanted to post a followup in case anyone cares or experiences something similar. At some point during production, New Holland added an in line one way check valve to the case drain lines. Suppose to help maintain a small amount of pressure and prevent the pumps from ingesting air into the system. No clue what happened first, but the check valve was completely plugged with metal debris presumably from the failing pump. Wouldn't open allowing oil to pass through. Pressure would build causing pump seals to fail. Very easy fix once I stumbled upon a service bulletin. May or may not be in service manual depending on when it was printed.</p></blockquote><p></p>
[QUOTE="jpaul, post: 115431, member: 20013"] Just wanted to post a followup in case anyone cares or experiences something similar. At some point during production, New Holland added an in line one way check valve to the case drain lines. Suppose to help maintain a small amount of pressure and prevent the pumps from ingesting air into the system. No clue what happened first, but the check valve was completely plugged with metal debris presumably from the failing pump. Wouldn’t open allowing oil to pass through. Pressure would build causing pump seals to fail. Very easy fix once I stumbled upon a service bulletin. May or may not be in service manual depending on when it was printed. [/QUOTE]
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LX885 blowing hydraulic oil out of engine to transmission gearbox
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