Install the control horn and backplate using two M2 x 12 machine screws, being careful not to overtighten them.
Repeat the previous procedures to install the second control horn and backplate on the other elevator half.
VERY IMPORTANT
After you tighten the set screws, apply a couple of drops of thin C/A to the threads. This will prevent the screws from
loosening during flight. Do not omit this procedure or failure of the elevator control system could result!
SECTION 18: RUDDER CONTROL SYSTEM INSTALLATION
(2) 17" Threaded Wires w/90º Bend
(2) Nylon Control Horns
(4) M2 x 15 Machine Screws
Kwik Bond Thin C/A
# 1 Phillips Head Screwdriver
Adjustable Wrench
Needle Nose Pliers
Excel Modeling Knife
Electric Drill
Step 1: Installing the Rudder Pushrod Wires
Using a modeling knife, cut away and remove two arms from a large "4-point" servo horn.
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YOU'LL NEED THE FOLLOWING PARTS FROM THE KIT:
YOU'LL NEED THE FOLLOWING TOOLS AND SUPPLIES:
Thread the clevises onto the pushrod wires and snap them
into the third hole out from the base of the control horns.
Hold the pushrod wires with a pair of pliers to prevent
them from turning while installing the clevises.
With both elevator halves and the elevator servo horn
centered, double-check that the set screws in the wheel
collars are tight.
(4) M2 Hex Nuts
(2) Nylon Clevises
(2) Nylon 90º Snap Keepers
5/64" Drill Bit
Ernst Airplane Stand
Ruler
Pencil
Masking Tape
Install the 90º bend in each 17" long rudder pushrod wire
into the third hole out in the servo arms, using the snap
keepers provided. When installing the snap keepers, make
sure they "snap" firmly into place over the pushrod wires.
The pushrod wires should be on top of the servo arms
as shown.
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