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2. For a Cold Engine:
a, Set the unit on a clean, hard surface,
b. Turn
Throttle
Knob to the "FULL
CHOKE"
position.
Figure
4.
c, Pull
Starter
Rope
sharply
until
engine
at-
tempts
to run, but no more than 8 pulls on full
choke, The engine
"attempts
to run"
may
be hard to hear. The operator
must listen
carefully
After 8 pulls, proceed
to step"d?'
even if the engine has not attempted
to run_
d. Turn
Throttle
Knob to the "HALF
CHOKE"
position_
Figure
4.
e. Pull Starter
Rope sharply
until
engine
runs,
but no more than 5 pulls_
NOTE:
If"engine has not started
after 5 pulls in
the "HALF
CHOKE"
position,
repeat
steps
"a"
through
"e."
£
Allow
engine
to run
for
10 seconds
in the
"HALF
CHOKE"
position,
then
turn
the
Throttle
Knob to the
"FULL
THROTTLE"
position.
If engine dies, repeat
steps "d." through
"f." If engine does not operate
properly,
refer to
the "Carburetor
Adjustments"
section,
g. To stop
engine,
turn
Throttle
Knob to the
"IDLE"
position_
Then,
press
and hold the
"STOP"
switch until the engine stops,
Figure
4_
STOP
3.
Figure
4
For a Warm
Engine
or a Warm
Engine
After
Running
Out of Fuel:
a_ Turn
Throttle
Knob to the "HALF
CHOKE"
position.
Figure
4.
b. Pull the Starter
Rope sharply
until the engine
runs, but no more than
3 pulls.
NOTE:
If the engine does not run after 3 pulls in
the "_F
CHOKE"
position
repeat
steps "a?'
through
e.
for Cold Engine
starting.
c, Turn
tile Throttle
Knob to the desired
posi-
tion,
d. To stop
engine
turn
Throttle
Knob
to the
"IDLE"
position.
Then,
press
and hold the
"STOP"
switch until the engine stops.
Figure
4.
C. CARBURETOR
ADJUSTMENTS
e
Poor engine
performance
can be a result
of
other
causes
such
as a dirty
air filter, carbon
build-up
on the muffler
outlets,
etc.
See the
"Trouble
Shooting
Chart" before proceeding
with
carburetor
adjustments,
The carburetor
has been
carefully
adjusted
at the factory.
Due to changes in altitude
and op-
erating
conditions,
your carburetor
may require
adjusting.
To make the adjustment,
carefully
fol-
low the procedure
below.
1. PREPARATION
a. Use fresh fuel mix. See the "Fueling
Your
Engine"
section_
b. Turn
the Mixture
Screw
(Figure
5) clock-
wise
until
fully closed,
but
do not
over_
tighten.
Figure
5. Then, turn
it one full
turn
counterclockwise°
c. Turn Idle Speed Screw (Figure
5) clockwise
until
it stops,
Do not overtighten.
Then,
turn
it three full turns
counterclockwise_
2. IDLE SPEED
ADJUSTMENT
a, Start the unit and let it run for 3 minutes
to
warm up the engine.
b, Position
the Throttle
Knob to the "IDLE"
position,
c_ Adjust
Idle Speed Screw
until
the engine
idles as slowly as possible
without
stalling_
--
Turn
screw clockwise
if engine stalls.
--
Turn
screw counterclockwise
to slow em
gine down_
Idle Speed-
Mixture
Screw
Screw
Figure
5
The mixture
setting
is a highly
criti-
cal adjustment.
If set incorreetl_
permanent
dam-
age to the engine
will occur.
Do not operate
en_ne
at full throttle
for prolonged
pemods
whale making
the mixture
adjustment.
3. MIXTURE
ADJUSTMENT:
a. Position
the
throttle
knob
to the
"FULL
THROTTLE"
position,
b. Turn the mixture
screw slowly
clockwise un-
til engine speed is reduced
Note this position,
c. Turn
the
screw
slowly
counterclockwise,
Stop when the engine begins to run roughly.
d. Turn
screw slowly
the minimum
amount
clockwise until the engine runs smoothly.
Turning
the mixture
screw too far clock-
wise will result
in poor acceleration
and poor
starting.
-8-
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