Overview
Operation Manual -
All SP Rock Valve Models44
revDate
Phase E
With the S2 valve (2) fully shifted and held in the right
hand position, pressure oil is routed through the S1
valve (1) and the S2 valve (2) to the rod side of the left
hand differential cylinder. Please note that while the
left hand differential cylinder is starting to retract,
check valve (17) must close otherwise the right hand
differential cylinder will not extend.
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