O.S. Engines 108FSR - Manual (Page 8)

B
A
C
This engine is ideally suited to a variety of R/C
aircraft,including sports and scale types.
A separate precision-made needle-valve unit is
installed at the rear, where manual adjustment is
safely remote from the rotating propeller.
An effective low-loss 855 silencer is supplied.
INTRODUCTION
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BEFORE INSTALLING THE ENGINE
In addition to the general tools, the following tools are
convenient to use.
10mm wrench to secure nuts, preferably 2 pcs.
14-17mm open end wrench
Large capacity electric starter and battery
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Carefully insert plug, with
washer, fingertight only,
before final tightening with
the correct size plug wrench.
Installing the glowplug
Glow plug
Washer
Installing the remote needle
Install the remote needle to the attachment bracket
as shown in the following.
First, make sure that nut A and B are secured using
a 10mm wrench. Then, fit the remote needle to the
attachment bracket, and tighten nut A and C.
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Remote Needle
Remote Needle Valve Bracket
Connect the needle-valve to carburettor jet nozzle with
silicone tubing supplied. In the event of the tubing
becoming damaged, it should be replaced with 78mm
length of 5mm ODx2mm ID silicone tubing.
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