Garmin GHP 10 Marine Autopilot System Installation Instructions - Page 11
L or 1.2 L Pump Hydraulic Layout on SeaStar Power Assist-Enabled Boats, directly to the helm. - installing to sea star helm
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2.0 L or 1.2 L Pump Hydraulic Layout on SeaStar Power Assist-Enabled Boats Notes: • Power Assist module: ◦ It may be necessary to remove the Power Assist module to gain access to the fittings, the hoses, and the bleedtee fitting. ◦ Remove the bleed-tee fitting from the Power Assist module and relocate it to the return port on the pump. • 2.0 L/1.2 L pump (and motor): Starboard line Return line Port line Shadow Drive S RP ◦ Install the pump to the steering lines between the cylinder and the Power Assist module. ◦ Do not install the pump to the steering lines between the helm and the Power Assist module. ◦ An unbalanced cylinder requires an unbalanced valve on the pump (See page 21) Helm Bleed-tee fitting (relocate to the pump) H1 H2 C1 C2 Sea Star Power Assist module Return line ◦ Mount the pump horizontally if possible. Do not mount the pump vertically with the pump end (hydraulic connections) down. 2.0 L/1.2 L pump (and motor) • Shadow Drive: ◦ Mount the Shadow Drive horizontally and as level as possible. ◦ Install the Shadow Drive in either the port or the starboard hydraulic steering line. ◦ Always install a length of hose between the helm and the Shadow Drive. ◦ Do not install the Shadow Drive directly to the helm. ◦ Install the Shadow Drive between the helm and the Power Assist module. Port fitting Starboard fitting ◦ Do not install the Shadow Drive between the Power Assist module and the pump. Balanced cylinder ◦ Do not install the Shadow Drive between the Power Assist module and the cylinder. notice Do not turn the system on until you bleed all the air from the helm, the Shadow Drive, the pump, and all the hydraulic lines. See page 34. GHP 10 Marine Autopilot System Installation Instructions 11