GRAUPNER THEODOR HEUSS Betriebsanleitung Seite 16

•
Check that the propellers and the screws in the
shaft couplings (arrow in the photo) are tight, as
they may have come loose in transit; carefully re-
tighten them if necessary. NOTE: the propellers
are not metal; they are made of metallised plastic.
This means that the grubscrews should be tight-
ened with the greatest care, otherwise you will
strip the threads in the propellers. The grubscrews
do not hold the propellers on the shaft by pres-
sure; there are flats ground into the shaft, and the
grubscrews simply engage on the flats to prevent
the propellers rotating. NOTE: if the grubscrews are loose, apply a drop of thread-lock fluid to them, e.g.
UHU schraubensicher, Order No. 952, as vibration could cause them to work loose again while the boat
is running.
Centre motor
•
Fit the double-ended servo output lever on the
rudder servo. Press the rubber grommets (sup-
plied with the servo) into the mounting lugs of the
rudder servo, and push the brass spacer sleeves
through them from the underside. Fit the servo in
the opening in the internal hull, and drill 1 mm Ø
pilot-holes through the mounting lug holes before
securing the servo using the retaining screws
supplied. IMPORTANT: take care not to damage
the servo lead when you fit the screws.
•
Set the rudder servo to centre from the transmitter.
Move the rudder blades to the "straight ahead"
position, and adjust the rudder pushrod in such a
way that the clevis pin fits exactly in the hole in the
servo output arm.
•
Attach Velcro (hook-and-loop) tape to the speed
controllers and the receiver, and fix these compo-
nents to the inside of the hull wall in the vicinity of
the motors.
•
Connect the rudder servo, the stern flap servo and
the speed controller to the receiver. NOTE: the
two speed controllers are connected using a Y-
lead (Order No. 3936.11); if you have a computer
radio control system, an alternative method is to
set up a free mixer at the transmitter.
•
Adjust the stern flap in such a way that the upper
end-point (= stern flap closed) is reached without
the winch being under load. If you cannot achieve
this using the transmitter's adjustment facilities,
unscrew the retaining screw in the winch drum,
and adjust the position of the drum on the servo so
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G2 connector polarity
Outside motors
Safety clip
#0059054
16
04/2008