Installation; Installation Of Choke Rod, Needle Valve Extension - O.S. engine FS-30S Owner's Instruction Manual

INSTALLATION

Installation in the model
O.S. radial motor mount
A typical method of beam
(Available as an optional extra part.
mounting is shown below,left.
See parts list)
Rigid hardwood
(e.g. maple)
At least 12mm
At least 12mm
(1/2") for FS-30S
(1/2") for FS-30S
At least
15mm(19/32") for FS-40S
At least
15mm(19/32") for FS-40S
Make sure that the mounting beams are parallel
and that their top surfaces are in the same plane.
CORRECT
Top surfaces are not
Front view Side view
in the same plane.
Top surfaces are in
Re-align the surfaces
the same plane.
as necessary
INSTALLATION OF CHOKE ROD
(FS-40S)
The FS Series engines are equipped with self-
reopening choke valves.
Cut the choke rod (supplied) to the length indicated,
then secire the rod by tightening the set screw, using
1.5mm Allen wrench, after installing the engine.
1.5mm
Allen key
Choke rod
Set-screw
INCORRECT
Opposite beam
Top surfaces
are not in the
same plane.
Engine does not rest firmly.
8
Releasing the
choke rod allows
the choke valve
to open.
Frame sides
of fuselage
approx.
approx.
7mm
2mm
Choke rod
9
How to fasten the mounting screws.
3mm steel nuts Tighten second nut firmly
down onto first nut.
for FS-30S
3.5mm steel nuts
for FS-40S
Spring washer or
lock washer
3mm steel screw
Steel washer
for FS-30S
3.5mm steel screw
for FS-40S
Hardwood mounting beams
3mm steel Allen screw
for FS-30S
3.5mm steel Allen screw
for FS-40S
Spring washer
O.S. radial motor mount
(cast aluminum)
NEEDLE VALVE EXTENSION
The needle-valve supplied with these engines is
designed to incorporate an extension so that, when
the engine is enclosed within the fuselage, the
needle-valve may be adjusted from the outside.
Cut a commercially available rod to the required
length, bend one end to an L shape, insert it into
needle's center hole and secure it by tightening the
set-screw in the needle-valve knob with 1.5mm. Allen
key.
Set-screw
Tighten this nut first.
Hardwood such as
cherry or maple.
1.5mm Allen key