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14. Secure the tubing to the clunk and tube from the stopper
using thin wire. This will keep the tubing from sliding
loose inside the tank. Use the clunk and tubing included
with the engine.
15. Insert the stopper fully into the tank. Check that the clunk
can move freely in the tank. The brass tube to the clunk
can be moved in our out to fi ne-tune the position of the
clunk inside the tank. Once set, tighten the screw using
a #1 Phillips screwdriver to secure the clunk in the tank.
Secure the lines to the engine using tie wraps.
16. Secure the fuel tank in the fuselage using the hook and
loop straps provided with the model. A piece of foam
between the servo tray and fuel tank will keep the fuel
tank from moving during fl ight.
Production models will mount the tank closer to the
centerline of the fuselage than shown in the photo.
17. Install the fuel fi lter in the line to the carburetor. The fuel
line can then be secured to the carburetor.
ELECTRIC MOTOR INSTALLATION
1.
Use a drill and 3/16-inch (5mm) drill bit to enlarge the
pre-drilled holes in the fi rewall for the electric motor
mount.
Van's RV-4 30cc
14.
15.
16.
17.
1.
2.
Use a pencil to extend the centerlines on the motor box.
3.
Place the X-mount on the motor box. Align the holes
in the mount with the lines on the motor box. Mark the
location for the mounting holes on the motor box using
a pencil.
4.
Remove the mount and drill the holes for the motor
mounting screws using drill and 7/32-inch (5.5mm) drill
bit.
5.
Use a #2 Phillips screwdriver to attach the X-mount to
the rear of the motor. Use a 2.5mm hex wrench to attach
the propeller adapter to the front of the motor. Use thread
lock on all metal-to-metal fasteners to prevent them
from vibrating loose.
6.
Insert the blind nuts supplied with the motor in the back
of the motor box plate.
21
2.
3.
4.
5.
6.
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