Battery, Receiver And Retract Module Installation; Fuel Tank Assembly - Horizon Hobby HANGAR 9 Aermacchi MB-339 Bedienungsanleitung

88. Fit the retract into the forward fuselage. Make sure all the
leads are inside the fuselage and not between the retract
frame and fuselage.
89. Secure the retract using four 4mm lock washers, four 4mm
washers and four M4 x 20 socket head cap screws. Tighten
the screws using a 3mm hex wrench.
Î It may be necessary to use spacers under the retract
frame to make sure there is no torsional stress
when tightened into position. Torsional stress can
cause intermittent operation of the retract unit.
BATTERY, RECEIVER AND
RETRACT MODULE INSTALLATION
90. Mount the batteries for the receiver and retract module in the
front of the forward fuselage using hook and loop tape and
hook and loop straps.
91. The retract module can be mounted behind the aft edge of
the nose section. Make sure access to the connecting bolts
are not blocked. Use a switch between the retract battery and
retract module so the retract system can be switched on or
off.
Î Connect the leads for the main gear retracts and
brakes, as well as the connections to the receiver.
92. Mount the receiver in the fuselage following the instructions
provided with the receiver.
Î The leads between the retract module and
receiver can be connected, as well as the
receiver batteries and nose gear steering.
EN
93. Mount the receiver switch in a convenient location in the
fuselage. One of the remote receivers can be secured in the
forward section of the forward fuselage using hook and loop
tape.
94. Mount a second remote receiver in the fuselage using hook
and loop tape. Make sure the antennas are oriented in
different directions.

FUEL TANK ASSEMBLY

95. Locate the rubber stopper, aluminum backplate and
aluminum front plate.
96. Slide a long tube and a short tube through the rubber stopper.
(The center hole is for the screw that secures the assembly in
the tank.) Fit the aluminum backplate on the tubes from the
unflanged end of the stopper. The aluminum front plate slides
on the tubes from the flanged end of the stopper.
97. Use a tubing bender to bend the longer (vent) tube upwards.
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