O.S. engine FL-70 Owner's Instruction Manual page 27

Four cycle engine fl-70
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Element glows when energized.
Replace the plug when the
element does not glow or is
burnt out.
Glow Plug Igniter
WARNING
When checking the plug with energizing it,
hold the plug with tools, such as pliers, etc.
Do not bring your face close to the plug or
the boiled fuel remaining in the filament will
burn you.
3. Check that the current to the glowplug is
switched off.
Pliers
4. To close the needle-valve, turn it
clockwise, while to open the
needle-valve, turn it counter-
clockwise. Turn the needle-valve
clockwise slowly until it stops.
This is the fully closed position.
5.0pen the needle-valve 2-2.5
turns from the fully closed
position and set the throttle in
the fully open position.
6. Apply the starter and press the starter switch
for 5-6 seconds to prime the engine.
7. Position the throttle stick at 2-3 scales
advanced from the fully pulled down position.
Turn the prop "backwards" (clockwise) by
hand until it is arrested by compression. This
is to enable the kinetic energy of the prop to
subsequently assist the starter through the
compression stroke to start the engine.
26
Close
Open
Close
Fully opened
position

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