Great Planes ElectroStik EP RxR - GPMA7500 User Manual
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8. Connect both the elevator and rudder pushrods to their
control horns. Use the third-from-the-inner hole in the control 
horn for both pushrods to obtain the recommended throws. 
Slide the silicone clevis keeper over the clevis. 
Battery & Radio installation
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1. Remove the battery door for the following steps. This
is done by lifting the front of the door as shown. The battery 
door is held in place by four small but powerful magnets. 
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2. Locate the included segments of hook and loop material
and feed the ends through the slots as shown. These will 
serve to hold your motor battery in place during fl ight. Be 
sure to overlap the ends by about 1-1/2" [38mm] underneath 
the battery tray. 
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3. Use hook and loop material or double-sided tape
(not included) to secure your receiver inside the fuselage. 
If you prefer, wrap your receiver in a piece of foam rubber 
(not included) and strap it into place with tie wraps. Plug the 
servos into your receiver along with the ESC connector and 
your 6" [152.4mm] servo extension. 
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4. Connect the aileron servo to the aileron extension and
slide the tab on the front of the wing into the slot on the 
fuselage as shown.