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GHP 10 Marine Autopilot System Installation Instructions
Legacy 2.1 L Pump Hydraulic Layout on Dual-Helm Boats
Balanced cylinder
Port fitting
Starboard fitting
Legacy .1 L
pump (and motor)
Port line
Return line
Starboard line
Shadow Drive
Upper helm
P
R
S
P
R
S
Lower helm
notes:
Legacy 2.1 L pump (and motor):
Do not use the legacy 2.1 L pump on a system with an unbalanced cylinder.
Mount the pump horizontally if possible. Do not mount the pump vertically with the pump end (hydraulic connections) down.
Shadow Drive:
Mount the Shadow Drive horizontally and as level as possible.
Install the Shadow Drive in either the port or the starboard hydraulic line.
Always install a length of hose between the helm and the Shadow Drive.
Install the Shadow Drive between the pump and the helm.
Do not install the Shadow Drive directly to the helm.
Do not install the Shadow Drive between the pump 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
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