Aft tail servo installation, Motor installation – Great Planes Sequence F3A EP ARF - GPMA1575 User Manual
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Aft Tail Servo Installation
A 24" [610mm] servo extension will be needed for the rudder 
and elevator servos. Installation is the same as the aileron 
pushrods. Use the photos and text below as a general guide 
for the location of the servos and control horns. Refer back to 
the aileron pushrod installation for pushrod details.
❏
1. Trim the covering from the aft rudder servo bay from the
right side of the fuselage. Be sure that you trim the covering 
from the correct opening. There is an upper and lower servo 
bay on both sides of the fuse. The lower bay on the right side 
is for the rudder servo and the upper bay on the left side of 
the fuse is for the elevator servo.
❏
2. Install the rudder servo in the orientation shown. Just
like you did with the ailerons, create and connect a pushrod 
to the rudder using one of the remaining 5" [127mm] 
pushrods, nylon clevis, silicone clevis retainer, control horn, 
FasLink pushrod connector, and two #2 x 1/2" [13mm] self-
tapping screws.
❏
3. Install the elevator servo and pushrod in the same
manner. Note that the elevator servo spline is toward the 
front of the plane.
MOTOR INSTALLATION
Be sure to read and understand the instructions that come 
with the ESC and motor before attempting to operate the 
system. Also read the lithium battery handling and usage 
warning on page 23 of this manual.
If you are installing a motor other than what is recommended, 
you may need to change the location of the motor mounting 
holes on the mounting box.
❏
1. If your motor came with the aluminum “X” shape motor
mount pre-installed, remove it and reinstall it using thread 
locking compound. If you haven’t done so yet, install the prop 
adapter to the motor case with the hardware included with 
the motor and thread locking compound. Install the motor 
onto the motor mounting box using four 6-32 x 1/2" [13mm] 
machine screws, four #6 fl at washers, four #6 lock washers 
and thread locking compound.
