Technical Download Technical Support Documents Gear PumpsPump Startup Procedure – Empty and FullHow to Determine your Pump Rotation Direction – Counterclockwise (CCW) or Clockwise (CW)How to rebuild a Pump From Counterclockwise (CCW) to Clockwise (CW) Rotation Cold-Start Protection Circuit ExampleScreen ChangersCleaning Procedure for a Stuck Screen Changer BoltHoning and Cleaning Procedure for Bolt-type Screen ChangersTorques for Screen Changer Adaptor Bolts Don’t see what you need?Call us: Ph: (828)-468-2600 or E-mail: service@psi-polymersystems.com