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IMPORTANT
A two-position "ON-OFF" switch located or
the left of the machine handle grip control:
the engine ignition.
Starting Procedure
1. Prime the fuel system by repeatedly
depressing the fuel primer bulb until no air
bubbles are visible in the fuel discharge line.
2. Cold Engine Only. Choke the engine
by pulling the choke control to the fully
extended position (choke is closed).
3. Place the machine on the ground, and
hold the machine handle firmly with your
right hand.
4. Pull the starter cord slowly until you feel
the starter engage, then...
5. ...start the machine by pulling the starter
cord upward rapidly.
If necessary, repeat Step 5 two or three
times until the engine starts.
When the engine starts
IMPORTANT !
For maximum vacuum performance and
operating life, allow the engine to warm
before use.
12
For maximum vacuum performance and
operating life, allow the engine to warm
before use.
1. Run the engine at idle speed until
operating temperature is reached (2 to 3
minutes).
2. As the engine warms, open the choke
gradually by slowly pushing the choke
control in to the fully retracted position.
3. The machine should now be ready for
use.
If the engine does not start
Repeat the appropriate starting procedures
for "hot" or "cold" engine. If the engine still
will not start, follow the "Starting a Flooded
Engine" procedure (below).
Starting a flooded engine
1. Disconnect the spark plug lead, and use
the spark plug wrench to remove the plug in
a counterclockwise direction.
2. If the spark plug is fouled or is soaked
with fuel, clean or replace the plug as
required.
3. Clear excess fuel from the combustion
chamber by cranking the engine several
times while the spark plug is removed.
4. Install the spark plug and firmly tighten
it with the spark plug wrench. If a torque
wrench is available, torque the spark plug to
148-165 inch-pounds. Reconnect the spark
plug lead.
5. Repeat the starting procedures for `
warm engine'.
6. If the engine still fails to fire or start,
refer to the troubleshooting flowchart at the
end of this manual.
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