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TRIM SETTING
POWER STEERING
ADJUSTMENT
NAVIGATOR
INSTALLATION
ADJUSTMENTS
Section B
O n single propeller vessels
trim setting during conditions that cause the vessel to
steer with an offset rudder. Therefore, the correct trim
.
setting can only
.
certain times the vessel
.
ing in the same direction, more trim may
.
To
check trim on twin engine vessels, run the
pilot command with
RPM
(increase) the
running at half (twice) the
will
initially go off course
60
within
seconds.
value set for trim.
RUD
At low
settings, a higher trim setting can make the
trim control take over the steering of the
result may be a slow variation of the course, back and
forth.
is suggested that the trim setting should seldom
It
be
very much larger than the RUD setting.
.
Adjusts the amount the rudder moves for a given rotation
.
of the knob on the power steering remote. The higher
.
the
more the rudder will move for a given
the setting,
amount of knob rotation.
in very touchy power steering.
Begin the sea trials with the power steering gain set a t
.
(This is the level selected by the preset pilot configura-
.
then
tion),
increase or decrease the setting as required.
If
a navigation receiver is used, test
autopilot seems to respond violently to
navigation receiver or if
the navigator installation adjustments starting
B.
39,
Section
is only possible to check the
it
be
found through experience.
constantly going
is
both
engines running, then reduce
on one of the engines so that
RPM
of the other. The vessel
but
should return
If
the vessel takes longer, increase the
T o o
high a setting will result
seems
slow
it
If
a t
off
it's head-
be
needed.
boat
under
is
it
to
course
boat.
The
05
this
it at
point.
the
data
the
from
to respond, check
page
on
Installing
the
Autopilot
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