SERV1851 02/08
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Text Reference Main Control Valve
RETURN HYDRAULIC SYSTEM Slow Return Check Valve
Bypass Check Valve
Cooler Bypass Valve Group
Return Filter
Cooler
Tank Case Drain Filter
105
Return Hydraulic System The return hydraulic system transfers all of the hydraulic oil that has been used in the system to do work back to the hydraulic tank. The return hydraulic system has the following components: - slow return check valve - cooler bypass check valve group - hydraulic oil cooler - hydraulic oil filters - hydraulic oil tank