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| Construction Equipment Tech Hydraulics, Electronics, General Engineering, ect in constr equip |
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#12
01-26-2011, 12:02 AM
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Re: Changing Hydraulic Oil
The oil in my excav is changed every couple wks & looks just like Rod's sample everytime.
The 15bar pressure & aluminum cylinder barrels are the two main reasons for the oil darkening so quick. My dozer, track loader, wheel loader all run @10bar & the oil color is much cleaner/clearer after six months. Steel cylinder barrels would help so much to maintain oil color/quality. A couple wks for me is about 15 to 20hrs of intermitent use. 
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