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5. Install the throttle pushrod and connect it to the throttle
servo. Bend the front of the pushrod as necessary to connect
to the screw-lock connector on the carburetor arm with a
screw-lock retainer.
6. Make a fuel tank strap by cutting one of the Velcro
strips to a length of 6" [150mm] and the other strip to 7-1/2"
[190mm]. Hook the straps together overlapping 2" [50mm].
7. Install the fuel tank with a 2-1/2" x 5" [60 x 125mm]
sheet of foam rubber on top of the fuel tank plate and secure
the tank with the strap.
Mount the Cowl
The following instructions illustrate how to mount the cowl
and cut the muffl er exhaust holes with the included template
for the O.S. Max .55AX with the Bisson muffl er. If using a
different engine and/or muffl er, mount the muffl er to the
engine fi rst, then cut the cowl as necessary for the muffl er
and the exhaust opening.
A No. 569 or 570 Dremel grout removal bit and a
sanding drum are indispensable for accurately cutting
a cowl. Always wear eye and breathing protection
when cutting fiberglass.
1. Mount the cowl with four 4-40 x 1/2" [12mm] screws and
#4 washers and lock washers—the two top cowl mounting
screws go into the front of the cowl ring and the bottom two
screws go in from the back inside the fuselage.
14
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