GREAT PLANES Cherokee .40 ARF Instruction Manual page 15

the engine head will be on the right side. Leave the screws
slightly loose. Test fi t your engine between the mount halves.
Slide the mount halves against the sides of the engine and
fi nish tightening the mount screws.
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8. Position the front of the engine drive washer 4-15/16"
[126mm] from the front of the engine mounting box. (Note:
The dimension is the same for both four-stroke or two-
stroke engines.) Mark the location of the engine mount
holes onto the mount rails using a Dead Center Hole Locator.
Remove the engine from the mount and use a 6-32 tap and
drill set to create threads in the four mounting holes. Attach
the engine to the mount using four 6-32 x 3/4" [19mm] SHCS,
four #6 fl at washers, and four #6 lock washers.
❏
9. Drill a 3/16" [4.8mm] hole in the fi rewall inline with throttle
arm in the carburetor using a long drill bit (if you do not have a
long drill bit, you may need to temporarily remove the engine).
Be sure you do not drill through the fuel tank! The hole in
the fi rewall must clear the exhaust port on the engine. Also
drill through the second former in the fuselage.
❏
10. Cut a piece from the included outer pushrod tube long
enough to extend beyond the fi rewall and second former
approximately 1/4" [6mm]. Roughen the portion of the tube
that contacts the formers using 220-grit sandpaper. Glue the
tube into the holes with CA.
❏
11. Cut three arms from a four-armed servo arm. Install a
brass screw-lock pushrod connector using a nylon retainer
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