How to Install a Rigid Shaft Coupling

Release Date: August 9, 2013

A step by step procedure of how to install a one- and two-piece rigid shaft coupling. Watch the video and follow the instructions below. Please feel free to contact us if you have any questions on proper collar installation. Email:

Installation Instructions

  1. Align the coupling on the two shafts to be connected.
  2. Tighten the Nypatch® clamp screws in two stages. Starting with the inside screws, tighten to half of the recommended seating torque. Repeat for the outside screws, again tightening to half of the recommended seating torque.
  3. Be sure to maintain the gap between the two halves of the coupling on two-piece styles.
  4. Tighten screws to the full recommended seating torque following the same pattern, beginning with the inside screws first.
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