Installation - O.S. engine FS-52S Owner's Instruction Manual

Four cycle engine
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INSTALLATION

Installation in the model
A typical method of beam
mounting is shown below,left.
Rigid hardwood
(e.g. maple)
At least
At least
15mm(19/32")
15mm(19/32")
Make sure that the mounting beams are parallel
and that their top surfaces are in the same plane.
CORRECT
Front view
Side view
Top surfaces are in the same plane.
O.S. radial motor mount
(Available as an optional extra part.
See parts list)
INCORRECT
Top surfaces are not
in the same plane.
Opposite beam
Top surfaces
are not in the
Re-align the surfaces
same plane.
as necessary
Engine does
not rest firmly.
How to fasten the mounting screws.
3.5mm steel nuts
Spring washer or
lock washer
15mm min.
15mm min.
Hardwood mounting beams
O.S. radial motor mount
(cast aluminum)
8
Tighten second nut firmly
down onto first nut.
Tighten this nut first.
Hardwood such as
cherry or maple.
Steel washer
3.5mm steel screw
3.5mm steel Allen screw
Spring washer

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