Hangar 9 35% Extra 300 ARF (3 Boxes) User Manual

Page 7

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7

35% Extra 300 ARF Assembly Manual

Aileron Servos Installation

Required Parts

Wing panel

Ball link (4)

Control horns (4)
Aileron pushrod (4)

Required Parts (not included)

JR 8911HV with hardware (4) or similar digital servo
JR 1-1/4-inch servo arm (4)
JR heavy-duty servo extension, 24-inch (2)
JR MatchBox™ (2)

Required Tools and Adhesives

Pin vise
Thin CA

Phillips screwdriver: #1

Drill bit: 1/16-inch

Masking tape

Adhesive-backed hook and loop
3/32-inch ball driver

Scissors

Dental floss (string)

1. Prepare the aileron servos by installing the rubber

grommets and brass eyelets.
Hint

: Prepare all servos for the wing at this time.



2. Secure a 24-inch servo extension to the outboard

aileron servo lead using string or a commercially available

connector. This will prevent the extension from accidentally

disconnecting inside the wing.



3. Apply a piece of masking tape around the connector

and over the string.



4. A string has been installed in the wing to pull the

aileron servo extension through the wing. Tie or tape the

string to the end of the extension and pull the lead to the

wing root.



5. Mount the servo so the output shaft is facing toward

the trailing edge and mark the servo mounting lugs location.



6. Remove the servo. Using a pin vise, drill the servo

mounting screw locations.



7. In order to harden the servo mounting holes in

the bays, mount the servo screws, back them out and

apply some thin CA in the hole. Wait until CA is dry before

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