Top Flite TOPA0705 - Manual (Page 25)

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14. From the 36" [610mm] grey plastic tube, cut a
piece to a length of 14" [356mm] and another to 10"
[254mm]. Insert the 14" [356mm] tube into the hole
for the choke. After the tube has passed through the
fi rewall, slide a plywood support over the tube
(Do not
glue it in place yet. You will be doing this in a future
step)
. Continue to work the tube through the fuselage
as shown. (Look at the photo in step 19 to better
understand the location for the tubes.) Repeat this
with the 10" [254mm] tube, but do not use a plywood
support. Both tubes need to be routed around the fuel
tank and into the fuselage. Push the tubes into the
area of the fuselage around the tank, stopping short
of having them reach into the middle of the fuselage.
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15. Locate the three components of the radio / servo
tray. Glue the tray together as shown making sure that
you glue the two parts with the arc into the main tray
exactly as shown in the photo.
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16. Glue three plywood parts together creating a
fi xture for mounting the air control valve. Glue it in
place on the servo tray.
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17. Install a .080 metal ball into the hole in the air
control valve. Secure it with a .080 nut. Be sure to put
a couple of drops of thread locker in the threads before
installing the nut. Install the air control valve into the tray.
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18. Place the tray into the fuselage. When positioned
properly the tray will rest on the air tank.
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19. The throttle servo will be mounted into the
forward opening. The servo arm will be pointing toward
the center of the fuselage. With this in mind, carefully
make an opening in the fuel tank former for the tube
to pass through. This can be done with a drill or a
high-speed motor tool. This hole needs to be 3/16"
[4.8mm] in diameter. The tube must pass through the
former so it aligns with the location of the servo arm.
Feed the throttle tube around the tank and into this
hole. The tube must be fl ush with the former. Glue the
tube fl ush with the hole.