O.S. engine MaX-37SZ-HRING Manual page 11

Be sure to use an electric starter to start
the engine.
Never fail to check the tightness of screws
!
and nuts, especially engine mounting and
moving parts (e.g. throttle lever).
Be sure to use a muffler pressurized fuel feed.
Use the same fuel as you intend to employ for
actual operation of your model.
Starting procedure is as follows:
1. Fill the fuel tank with fuel. When filled, prevent the
fuel from flowing into the carburetor with a
commercially available fuel stopper, etc. Release
the stopper before starting the engine.
Make sure that plug element glows red, and install
2.
the plug in the cylinder head.
Opening and closing of the Needle-Valve
1.
Turn the needle clockwise to
close the needle-valve, and turn
the needle counter-clockwise to
open the needle-valve as shown
in the sketch.
Opening the needle-valve
2.
Firstly, turn the needle clockwise slowly until it
stops. The position it stops is the fully closed
position of the needle-valve. Make note this
position for reference..
Open the needle-valve 1.5 turns.
3. Preparation of the starter
Install the starting shaft to the
starter securely. Poor installation
swings the starting shaft, which is
dangerous.
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 element hold the plug
with tools, such as pliers, etc.
Do not hold near your face or the fuel remaining
in the filament may burn you.
20
Checking the rotating direction of the starter
4.
Make sure that the starter rotates
to the direction shown in the
Close
sketch. If the direction is reverse,
reverse the leads on battery.
Open
Inserting the starter shaft
5.
Insert the starting shaft into the
shaft cup securely.
Priming
6.
Without heating the glowplug, open the throttle a
little from the idle position. Turn the engine using
the starter until the fuel is seen to reach carburetor.
21
STARTING
Pliers