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Checking and adjusting the idling speed
The
cutting
blade should
not
when the control lever
is
fully released.
-
Idle
speed should be set to
2,600
rpm.
If
necessary, correct it by means
of
the idle screw (the cutting
blade must not run when the engine
is
on idle).
Clockwise
:
for
faster rate
of
revolution
Counter-clockwise
:
for
slower rate
of
revolution Check that
there
is
sufficient difference between idling and clutch
engagement speed to ensure that the cutting tool
is
at
a
standstill while the engine
is
idling.
(If
necessary, reduce idling
speed.)
If
the tool still continues to
run
under the idling
conditions, consult your nearest authorized service agent.
The clutch should engage at minimum
3,250
rpm.
Check the functioning
of
the
STOP
switch, the lock-off lever, the
control lever, and the
lock
button.
Cleaning
of
air cleaner
-
Every
8
hours (Daily)
-
Remove the
air
cleaner cover.
-
Push the choke lever up (arrow), to prevent dirt particles from
entering the carburetor.
-
Take
out the sponge element, wash it in lukewarm water and dry it
completely.
-
After cleaning, put back the sponge element and the
air
cleaner
cover.
NOTE
If
there
is
excessive dust
or
dirt adhering
to
the
air
cleaner,
clean it every day.
A
clogged
air
cleaner may make it
difficult or impossible to start the engine or increase the
engine rotation speed which could cause damage.
.
Checking the spark plug
-
Every
8
hours (Daily)
-
Only use the supplied universal wrench to remove
or
to install the
spark plug.
-
The gap between the two electrodes
of
the spark plug should be
0.6
to 0.7mm.
If
the gap
is
too wide
or
too narrow, adjust it.
If
the spark plug
is
clogged with carbon or fouled, clean it thoroughly
or replace it.
Use
an exact replacement.
Supply
of
grease and lubricant
-
Supply grease from the grease nipple every
15
operating hours.
(Shell Alvania
No.3
or
equivalent)
The amount
of
grease
for
each supply
is
about 20cc.
(Once grease
is
supplied regularly
as
mentioned above, grease will
come out from the end
of
the gear
case
(root
of
the cutting edge) in
operation just after supply
of
grease. Confirm this phenomenon
as
a
guide to grease supply.)
NOTE:
Be sure to observe the specified time and amount
of
grease
supply.
If
the grease supply
is
not made at the specified interval
or
if
the amount
of
grease supplied
is
not sufficient, the machine
may
fall
into
a
trouble because
of
lack
of
grease.
0,6
-
0,7
mm
An\
Grease
will
come out from here.
7
.?