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Stopping The Engine; Blade Sharpening - Craftsman 636.79667 Owner's Manual

20.3cc gas bushwacker
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3.
Puli the throttle
lever a little,
push
the throttle
knob
and lock
the throttle
lever at the starting
position.
(Figure
3}
Figure 3
4,
Pull the recoil
starter several times_ (At this time,
hold
the
machine
securely
so
as to
keep it fixed.)
(Figure 4)
The carburetor
is no'. filled
with
fuelo Pull the starter 7 to
8 times to feed up fuel from tank to carb_retor.
Caution:
-
Never let go of the starter rope from
its fully
ex-
tended
state. Return
the starter
rope to its original
position
while
holding
it securely.
-- Be careful
not to break the starter rope,
Figure
4
5.
After
s_arting, open the choke lever by degrees to the full
and reset the throttle
lever to the low speed, while check..
ing the engine operating
state.
Caution:
-
tn starting of the engine and during
operation,
be
fully
careful
to keep
bystanders
or obstacles
off
the operating
sideand
confirm safety requirements
for operatlo
n.
6.
After
starting the engine, warm up the engine (for about
5 minutes
at medium
speed).
Immediately
after starting,
speed up the engine
slowly
Never open the throttle
fully
without
a load,
otherwise
the engine
will
run at a high
speed reducing
engine life.
Stopping
the Engine
I
Reduce the engine rpm to idle by releasing
the throttle
2
Set the stop switch
to stop. (Figure
1)
Blade sharpening
If the edges are rounded
and do not cut well any more,
grind
oft = only
the shaded
portions,
Do not grind the
contact _urfaces (sliding surfaces) of the top and bottom
edges, (Figure
5}
Disk grinder
\
c_oss zectia
Holding
the disk grinder
at a
45 ° angle, 9rind
the edge
aff
to
the dotted
line to
sharpen
_he rounded
tip,
Figure 5
Note:
1) Before grinding, be sure to secure the blade
firmly
2) Wear gloves,protective glasses, e tc_
3) An edge ground too much at a time or ground
many times will loose its hardened layer, it
becomes rounded
and dull very quickly in
use° Order replacement blades from Sears Re-
pair parts.,
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..
REMOV_
THE
CARBON
WITH
A
SPARK
PLUG
CLEANER
OR WIRE
BRUSH
After
cleaning
the
spark
,,plug
RESET
THE
ELECTRODE
GAP TO 024-028.

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636.796670