ComNav Marine 1420 Autopilot System
Assembling the Rudder Feedback
Arm:
Measure the approximate diameter of
your rudder post in inches.
The Rudder Post Arm has several holes
drilled through it. The holes are marked
by numbers on the top surface of the arm.
Select the hole on the Rudder Post Arm
marked by a number equal to the
diameter of your rudder post measured in
inches. (1 cm = 0.394”)
Bolt the Brass Ball Joint onto the Rudder
Post Arm using the selected hole. The
ball of the Brass Ball Joint must be on the
same side of the Rudder Post Arm as the
numbers. Tighten the nut and lock
washer securely.
Attach the Rudder Post Arm to the rudder
post using a stainless steel band clamp.
The Brass Ball Joint must be on top. The
Rudder Post Arm must be at the same
height as the Rudder Follower.
The Rudder Post Arm must point straight
ahead when the rudder is in the straight
ahead steering position.
Attaching the Rudder Feedback
Linkage:
Move the rudder so it is in the straight
ahead position.
Move the Rudder Feedback Arm so that it
is directly above the point where the cable
enters the Rudder Feedback.
Loosen the adjustment block that keeps
the two pieces of the Rudder Feedback
Linkage from sliding.
Snap the Rudder Feedback Linkage onto
the two Brass Balls. Make sure to close
the small release clamps on each Plastic
Socket.
With the Rudder Feedback Arm directly
above the cable gland and the Rudder
Post Arm pointing straight ahead, tighten
the adjusting block.
Caution
Carefully watch the Linkage while you
move the rudder through its full range of
motion. The Rudder Feedback and the
Rudder Feedback Linkage should move
easily without binding. The moving
parts must not contact any other
objects. If there are any problems, fix
them now.
Run the Rudder Feedback Cable from the
Rudder Feedback to the space where the
Processor will be located. Place the
Cable so that it is protected from
abrasion, stretching and cutting.
You will connect these wires to the
Processor when you make all the other
wiring connections.
Next, turn to the section on Installing the
Rudder Drive (page 23).
Document PN 29010012 V1.3
18
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