Garmin GHP 10 - Manual (Page 14)

1 GHP 10 Marine Autopilot System Installation Instructions
Compact 2.1 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 bleed-tee
fitting
You may need to add a tee fitting in the
return line at the Power Assist module
to connect the pump.
Compact 2.1 L pump (and motor):
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.
to use the compact 2.1 L pump on a
system with an unbalanced cylinder,
follow the procedures on page 24 .
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 steering
line.
Always install a length of hose between
the helm and the Shadow Drive.
Install the Shadow Drive between the
helm and the Power Assist module.
Do not install the Shadow Drive
directly to the helm.
Do not install the Shadow Drive
between the Power Assist module and
the pump.
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 .
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Return line
Port line
Return line
Starboard line
Shadow Drive
Helm
S R P
Sea Star
Power Assist
module
H1 H
C C1
Balanced cylinder
Port fitting Starboard fitting
Port line
Starboard line
Starboard line Port line