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Stopping The Engine; Adjustments; Carburetor Adjustment; Preventative Maintenance Check List And Storage Tips - Craftsman BRUSHWACKER 636.795454 Owner's Manual

37.7 cc gas brushwacker
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Engine
Starting
Procedure
{cont'd}
4.
Set the throttle
lever at starting position
with the lock-
ing button
of throttle
lever. Figure 9.
Stopping
the
Engine
1.
Reduce
the engine
rpm to idle.
2.
Set the toggle switch
at "OFF".
Figure
7.
3.
After
stopping
the engine,
IMMEDIATELY
CLOSE
THE
FUEL
COCK
...shutting
off
the fuel supply
from
the
tank to the engine.
Figure 7.
LOCKING
BUTTON
OF
LEVER
Figure 9
5.
Pull
the
recoil
starter
briskly.
Figure
10
CAUTION:
Gradually
return
the handle...
DO NOT
LET IT SNAP
BACK!
Pull
the
rope
in
the direction
of
the
starter
rotation.
DO
NOT
pull
the starter
cord
all the way
out
of the drum.
NOTE:
Use only
one-half
to two-thirds
of
your
starter
cord
length
for starting.
After
the
engine
starts,
push
the
choke
lever
to
the
"OPEN"
(RUN)
position,
6.
After
starting
the
engine,
pull
the
throttle
lever
and
return
the locking
button
of throttle
lever.
7.
Figure 10
Let the engine
warm
up by running
it at a low rpm
(slow
speed)
for
approximately
two
or three
minutes.
NOTE:
YOU
DO
NOT
HAVE
THE
ENGINE
UNDER
LOAD
DURING
THE WARM
UP PERIOD.
By moving
the
throttle
lever,
increase
the engine
speed
(rpm)
to the required
operating
rpm
before
placing
the
unit
under
load
(cutting).
ALWAYS
reduce
the engine
speed
to idle speed
when
not cutting.
CAUTION_
NEVER
OPERATE
THE
ENGINE
AT
HIGH
RPM
WITHOUT
LOAD.
With
throttle
fully
opened
and no
load,
the engine
rpm wilt be very high which
can have an
adverse effect
on the life of the engine.
Adjustments
SPARK
PLUG
MAINTENANCE
-- If the spark
plug
electrode
area has an excess of carbon
buildup,
the
efficiency
of
the
plug
will
be
seriously
reduced.
REMOVE
THE
CARBON
WITH
A
SPARK
PLUG
CLEANER
OR WIRE BRUSH.
After
cleaning
the
spark
plug
RESET
THE
ELECTRODE
GAP TO 0.6/0.7 MM (.024-.028).
Carburetor
Proper
adjustment
of the carburetor
is very
important
to
the
operation
of this
engine.
The
carburetor
has been
carefully
adjusted
at the factory
and therefore
should
not require
any further
adjustmefit.
Carburetor
Adjustment
Idle
speed adjustment
is accomplished
by turning
the
throttle
stop screw.
THROTrLE StOP SCRE,Y
Turning
the throttle
stop
screw
clockwise
will
increase
the idle speed. Turning
the throttle
stop
screw
counter-
clockwise
will decrease the idle speed.
For
any
additional
carburetor
adjustments
take
the
complete
unit
to the nearest
Sears Service
Center.
Preventative Maintenance Check List and Storage Tips
Be sure the engine and all other parts are clean.
Check all nuts, bolts, screws, etc. making
sure they are
tightened and secured as they should be.
Inspect carefully for any fuel or oil leaks.
Check the air cleaner assembly for excessive dust or dirt.
If
the
filter
requires
cleaning,
use the
following
procedure: Remove the filter
and wash in soap and
water or blow off with compressed air. DO NOT clean
filter in gasoline or other flammable solvent.

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