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Old 02-03-2013, 08:09 PM
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bighornjd bighornjd is offline
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Join Date: Aug 2009
Location: Delta, PA
Posts: 215
I just do what was said before. Just use the attachment for a bit then change oil and filter in the machine soon after. Just as easy as trying to flush the attachment, and the machine gets maintained at the same time. I think most attachments probably hold a very small amount of oil in the hoses and motors/cylinders as compared to the total system capacity. Less than 10 percent I'd bet for most average attachments. Unless you know the oil to be badly contaminated I doubt it would cause any problem as long as not left in the system for a long time. Keeping the filter changed is the most important thing. Hydraulic oil doesn't really break down like engine oil. Moisture and debris are your enemies. JMO.
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