Os-engines 55AX User Manual download pdf (Page 13)

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STARTING

Be sure to use an electric starter to

start the engine.

Fill the fuel tank with fuel. When filled,

prevent fuel flowing into the carburetor with

a commercially available fuel stopper, etc.

Release the stopper before starting the

engine.

1.

2.

Starting procedure is as follows:

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.

Glow Plug Igniter

Pliers

Element glows when energized.

Replace the plug when the

element does not glow or is

burnt out.

Make sure that plug element glows red, and

install the plug in the cylinder head.

Never fail to check the tightness of

screws and nuts, especially engine

mounting and moving parts (e.g.

throttle lever).

25

Connect battery leads to glowplug.

Check that the needle-valve is closed. (Do

not overtighten.) Now open the needle-

valve counter-clockwise 2-2.5 turns to the

starting setting.

3.

4.

Open the throttle approx. one-quarter.

(This is to avoid unnecessarily

high r.p.m. when the engine starts.)

Turn needle-valve clockwise to close

(for leaner mixture)

Turn needle-valve counter-clockwise

to open (for richer mixture)

Mark

Close

Open

Fully closed

position

Fully opened position

Set at this point

1

4

3

4

5.

Apply the starter and press the starter

switch for 5-6 seconds to prime the engine.

6.

Bring electric starter into contact with spin-

ner-nut or spinner and depress starter

switch for one or two seconds. Repeat if

necessary.

When the engine starts, withdraw the starter

immediately.

7.

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