Application Profile SF Series Bell Housing Clutch Oil Well Pump Jacks Product Application P-8369-WE 7/17 An oil drilling company wanted to replace the mechanical (cam over center) clutches on a large number of its pump jacks operating in various oil fields with a new clutch solution. The existing manually operated PTOs required a worker to visit each individual pump jack in order to engage and disengage the drive motor using a lever-actu

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