ComNav 1500 / 1510 Autopilot - 44 -
Air in the system may cause noisy Pumpset operation. When the Pumpset
becomes quieter and the steering moves smoothly and the linear drive responds
instantly in both directions, it may be assumed that most air is out of the system.
To check that all air is removed, select power steer function and try to turn the
steering wheel. In this function the steering wheel should be stiff. If you can turn the
wheel a certain amount with a increasing pressure as a result, there is still air in the
system.
Continue to ventilate the system until the steering wheel is stiff before you proceed
with the sea trials.
Do not attempt to activate the Autopilot in other functions than power steer, until all
air is out of the system. Sloppy course holding will result if you do. The very last air
removal will be done as the boat is tested underway.
7.4 Adjust the Pumpset Flow Rate
The Autopilot is capable of automatically adjusting the flow rate of the Pumpset. If
using a fixed flow rate Pumpset there is no adjustment of the flow rate required.
However, if using a variable flow rate Pumpset, adjust the flow rate of the Pumpset
for approximately 14 seconds hardover to hardover time or slower for best steering
accuracy.
7.5 Functional Tests
Read Operation, Function and Set Up of the manual to familiarize yourself with the
operating procedures. Try the different modes at the dock to verify that all systems
are working and ready for sea trials.
Do not try to make course changes in pilot modes as the rudder may go hardover,
since the [APC] Pilot Calibration has not been conducted yet.
When you finished the Dockside Testing, perform the Sea Trials.
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