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Constant Running Hydraulic Pump - Installation Guide 17
in the system the steering will feel spongy, particularly when you turn
the wheel to hardover.
CAUTION:
Any air in the hydraulic system will greatly reduce the
performance of the autopilot and the overall steering system.
In addition to the manufacturer’s instructions for bleeding the
steering system, follow these steps to bleed the autopilot pump when
you have installed and set up the rest of the autopilot system:
1. With the system in
auto mode, press the -10 button ten times:
• the autopilot pump will try to drive the rudder to port
• counter this rudder movement by turning the helm to
starboard to keep the rudder stationary
• you will be able to feel any air in the helm pump: any air in this
side of the pump will rise to the helm pump and exhaust into
the reservoir
• continue until all of the air is out of this side of the pump
2. Clear any air on the other side of the pump:
• press the
+10 button ten times
• the autopilot will try to drive the rudder to starboard
• counter the rudder movement by turning the helm to port
• continue until all of the air is out of this side of the pump
3. Repeat in both directions until both sides of the help pump are
totally free of air.
Note: Monitor the reservoir at all times and top up with the
manufacturer’s recommended hydraulic fluid as required.
CAUTION:
After installation and bleeding, leave the system for 24 hours
then check for any air in the system or leaks at the joints and
around the pump.
Maintenance
On a regular basis:
• check all connections and mountings are secure
• check pipes and cables for any signs of wear or damage
• check hydraulic pipes and connections for leaks