Terex Utilities published Tech Tip #71, Changing Direction of Flow on a Tandem Vane Pump. This Tech Tip is applicable to certain Terex digger derricks and aerial devices. The Tech Tip is available for download from the Technical Support tab at www.terex.com/utilities.
“Tech Tips are intended to answer frequently asked questions or common challenges customers face as a supplement to service manuals,” says Jason Julius, training and tech support. In this case, when replacing a pump, if it is installed in reverse, it could aerate the oil and potentially damage the pump and other components.