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case drain through second aux circuit?
Cat machines (and possibly others---idk) have filter for the case drain returns for traction and swing motors, and I assume they had good reason to do this. Still hoping for an answer to the original question. If a secondary aux circuit is truly independent (separate pump, filter, and cooler)...- tomv
- Post #12
- Forum: Excavators
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case drain through second aux circuit?
Many small excavators are equipped with a second (medium pressure) aux circuit which has its own pump. Can this serve as a case drain? I think it depends whether the medium pressure system has its own filter. Can anyone say? I'd be curious to know this for a Cat 312, Doosan DX140, and a...- tomv
- Thread
- aux circuit hydraulics
- Replies: 12
- Forum: Excavators