Apollo 816 Linear Actuator 120 Degree Install Instructions February 20, 2020 22:19 Updated How to install the Apollo linear actuator at a 120 Degree angle InstallInstructions_120_degree_installation_guide_D0864.pdf 200 KB Download Related articles Apollo 816 Linear Actuator Installation Reference Manual Apollo 1500 Linear Actuator System (816 arm & 636 Control Board) Installation Reference Manual Swing Gate Brochure for Apollo, TITAN, HydraSwing StrongSlide M30 Spec Sheet Invalid Radio Channels/Remotes on a 1050 Control Board.