21
❑
5) Place the nylon backplate onto the machine
screws, aligning the two holes in the backplate with
the two screws. Using a # 0 phillips screwdriver,
evenly tighten both machine screws to draw the back-
plate into place. Be careful not to overtighten the
screws. You don't want to crush the wood.
INSTALLING THE PUSHROD
❑
6) Using a ruler and a modeling knife, measure
and cut the 5mm x 345mm nylon pushrod housing to
a length of 12-5/8" long.
❑
7) With the fuselage upside down, slide the
pushrod housing into the precut slot in the back of
the tail boom (on the left side), up through the tail
boom and out the precut slot in the front of the tail
boom (on the same side).
☛
Use the tip of a modeling knife or a # 0 phillips
screwdriver to guide the pushrod housing out of the
slot at the front of the tail boom.
❑
8) Adjust the pushrod housing so that equal
amounts protrude from both the front and the back of
the tail boom.
❑
9) Using a ruler and a modeling knife, measure
and cut the 4mm x 390mm nylon pushrod tube to a
length of 14-3/8" long.
❑
10) Thread one 2mm x 22mm thread rod into
each end of the pushrod tube. Thread the rods in
until 11/16" of each threaded rod extends past the
ends of the tube. See photo # 38 below.
Photo # 38
❑
11) Locate a plastic "4-point" servo horn that
came with your servo. Each of the arms should have
at least three holes in it. Using a pair of wire cutters,
remove one of the plastic arms.
❑
12) Using a drill with a 5/64” drill bit, enlarge
the third hole out from the center of the arm to the
right of the one you cut off.
❑
13) Thread one clevis onto one of the threaded
rods and snap the clevis into the enlarged hole in the
servo arm. See photo # 39 below.
Photo # 39
☛
Before starting the next few steps, please make
sure you have read and completely understood how
your radio control system and ESC operate.
❑
14) Per your radio system guide and ESC instruc-
tions, plug the flight battery into the ESC, then plug
the ESC and the elevator servo lead into their proper
slots in the receiver. Turn on the radio system.
❑
15) Slide the elevator pushrod assembly into the
nylon pushrod housing, from the front, until the servo
horn lines up with the servo output shaft. Attach the
servo horn to the output shaft, making sure that the
servo horn is centered and points toward the wing.
See photo # 40 below.
Photo # 40
❑
16) Using a # 1 phillips screwdriver, install and
tighten the servo arm retaining screw, provided with
your servo, to secure the servo horn in place.
❑
17) Use a couple of pieces of masking tape,
taped between the horizontal stabilizer and the el-
evator, to hold the elevator centered.
❑
18) With the servo horn centered, carefully
thread the second clevis onto the elevator pushrod
wire until the pin in the clevis lines up with the holes
in the control horn. Use your fingers to hold the push-
rod tube and keep it from turning.
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