Seagull Models Extra 300S Assembly Manual page 11

EXTRA 300S
! ! ! ! ! 3) Using the hardware provided, mount
the main landing gear to the fuselage.
COWLING
! 1) Slide the fiberglass cowl over the en-
gine and line up the back edge of the cowl
with the marks you made on the fuselage.
! 2) While keeping the back edge of the
cowl flush with the marks, align the front of
the cowl with the crankshaft of the engine. The
front of the cowl should be positioned so the
crankshaft is in nearly the middle of the cowl
opening. Hold the cowl firmly in place using
pieces of masking tape.
INSTRUCTION MANUAL
Because of the diameter of the cowl, it
may be necessary to use a needle valve
extension for the high speed needle valve.
Make this out of sufficient length 1.5mm wire
and install it into the end of the needle valve.
Secure the wire in place by tightening the set
screw in the side of the needle valve.
1.5mm wire
(needle valve)
! 3)
Slide the cowl back over the engine
and secure it in place using four wood
screws.See picture below.
! 4) Install the muffler and muffler extension
onto the engine and make the cutout in the
cowl for muffler clearance. Connect the fuel
and pressure lines to the carburetor, muffler
and fuel filler valve.
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