Hangar 9 Alpha.60 ARF Assembly Manual page 32

Note: The next few steps may take a bit of
trial and error to get the throttle operating
correctly. It is suggested to work slowly until
the throttle operates as described. Also, a
computer radio can make this a much easier
job if you happen to own one.
Step 25
Attach a brass connector to the throttle servo arm.
Slide the pushrod wire through the connector.
32
Section 10: Control Linkage Installation
Step 26
Turn on both the transmitter and receiver. Move the
throttle stick to the fully open position. Attach the
clevis to the carburetor control arm. At this time,
it really doesn't matter which hole. Position the
pushrod so the carburetor is at the "wide open"
position. Temporarily tighten the screw to secure
the pushrod wire.