ComNav 2001 Autopilot System
P/N 29010017 V1.0 - 22-
With either rudder follower:
The distance between the centerline of the rudder
post and the rudder follower must not exceed 24
inches. Make sure that the ball joints on the
rudder arm and rudder follower arm are facing
upwards as shown in 4. Snap the rod assembly
onto the ball joints. Be sure to close the release
clamps on each socket. Refer to Figure 2, Figure
4 or Figure 5 and adjust the length of the rod to
get the correct geometry with the rudder dead
ahead.
If the locking screw in the rudder follower arm
has been loosened, or the arm removed from the
rudder follower, re-attach the arm and check the
potentiometer centring. When the rudder is dead
ahead, the electrical resistance between the Black
and Green wires and the White and Green wires
should be equal (approx. 600 ohms each).
Be careful to check the installation for any
mechanical obstructions or binding of the linkage,
and correct it now, before it becomes a problem.
The rudder follower is supplied with 50 feet of
cable. Run the cable from the rudder follower
towards the distribution box, ensuring that it is
protected by hose or conduit wherever it passes
through fish or cargo holds, or any other area
where it could be damaged.
If the length of cable supplied is too short to reach
all the way to the distribution box, obtain a
terminal strip and sufficient additional cable from
your dealer. Mount the terminal strip in a
convenient DRY location. Connect the rudder
follower cable to the terminal strip and then the
additional length of cable. Strip the wires, and
attach them to the terminals in the distribution
box as shown in Table 1.
IMPORTANT
If you have installed a hydraulic pump or
drive unit, there are several checks that must
done during the first few weeks of usage in
order to prevent poor or dangerous steering
and autopilot performance
Residual Air
After installing and bleeding your pump, residual
air may be trapped in the hydraulic steering fluid.
This air will gradually bleed through the header
tank or the highest helm pump and the oil level
will go down. Check the oil level several times
during the first few weeks of use and add oil as
required.
Leaking Fittings or Equipment
After installing and bleeding your pump,
continously monitor the oil level of your header
tank or the highest helm pump and add oil as
required. If this condition persists, it may be an
indication of leakage in your steering system.
Check all hydraulic steering parts, fittings and
lines for leakage.
Table I - Rudder Follower Cable Connections
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