Radio Installation - Hobbico Spectrum Assembly Instructions Manual

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7. Drill a 3/32" [2.4mm] hole, 5/8" [16mm] up
from the bottom of the rudder. Cut a groove in the
LE of the rudder down to the bottom to
accommodate the tail gear wire. Hint: Use a 3/32"
[2.4mm] brass tube sharpened at the end to cut the
groove. (The Groove Tube
(GPMR8140) works great for this task.) Use 6-
minute epoxy to glue the tail gear wire to the
rudder.
8. Slide the Tail Gear Wire Brace onto the tail
gear wire. Use 30-minute epoxy to glue the fin in
position. Check the alignment of the fin to the stab
with a triangle, then secure it in position with
masking tape until the epoxy has cured. Double
check the alignment of the fin with the stab while
the epoxy cures.
Grooving Tool
12
9. Attach the tail gear wire brace to the fuselage
using two 3mm x 10mm sheet metal screws.

Radio Installation

1. Mount the rudder, elevator and throttle servos
in the fuselage. Use the following sequence for
mounting the servos into the servo tray:
A. Install rubber grommets and brass eyelets in the
servos using the provided sketch.
B. Test fit the servos in the tray. Enlarge the
openings if needed to create a 1/32" gap around
the servo.
C. Mark servo mounting hole locations on the tray,
then drill 1/16" pilot holes through each mark.
D. Mount the servos with the screws provided with
your radio system.
2. Install and hook up - following the manufacturer's
recommendations - three servos, the receiver,
switch and battery as shown in the photo. We
added a Great Planes Switch Mount & Charge
Jack (GPMM1000, not included) for convenience
and ease of use at the field, installed on the side of
the fuselage. Center the elevator, rudder and
throttle trims on the transmitter.

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