O.S. Engines FS-40S - Manual (Page 18)

8 Hold model securely when starting
9 Setting the throttle
10 Heat glowplug
Starter
Assistant should hold
the model so that it
cannot move forward
when the engine starts.
Be careful not
to be hit by propeller!
Fully opened
position
Fully closed
position
Set at this Position.
Starting battery
Connect battery leads as shown
(polarity is immaterial.)
11 Apply electric starter
Assistant
Glowplug battery.
Place as far to the
rear as possible.
17