2.
Wash the sediment cup and
0-ring
in
nonflammable solvent,
and
dry
them thoroughly.
3.
Place
the
0-ring
in
the fuel valve, and install
the
sediment
cup. Tighten the sediment cup securely.
4. Move the fuel valve
to
the ON position, and check
for
leaks.
Replace the
0-ring
ifthere
is
any leakage.
0-RING
SEDIMENT CAP
SPARK
PLUG
SERVICE
Recommended spark plugs:
F7RTC
or
other equivalents.
~
An
incorrect
spark
plug
can
cause
engine
damage.
1. Disconnect the spark plug cap, and remove any
dirt
from
around the spark plug area.
2.
Remove
the spark plug
with
a spark plug wrench.
3. Inspect the spark plug. Replace
it
if
the electrodes are worn,
or
if
the insulator
is
cracked
or
chipped.
4. Measure the spark plug electrode gap
with
a suitable
gauge.
The gap should be 0.028
in
-0.031
in
(0.70
mm-
0.80 mm).
Correct
the
gap,
if
necessary, by carefully bending the side
electrode.
Gasoline Engine » Operator's Manual
5.
Install
the
spark plug carefully,
by
hand,
to
avoid cross-
threading.
6.
After
the spark plug seats, tighten
with
a spark plug wrench
to
compress the water.
A
loose
spark plug
can
overheat and
damage
the
ensine.
Over
tightening
the
spark
plug
can
damage
the
threads
in
the
cylinder
head.
7.
Attach the spark plug
cap.
IDLE
SPEED
ADJUSTMENT
1.
Start
the
engine
outdoors,
and
allow
it
to
warm
up
to
operating temperature.
2.
Move the
throttle
lever
to
its slowest position.
3.
Turn
the
throttle
stop screw
to
obtain
the
standard idle
speed.
Standard idle speed: 1800±150 rpm
SPARK
ARRESTER
SERVICE
(optional equipment)
Your engine is
not
factory-equipped
with
a spark arrester. In
some areas,
it
is illegal
to
operate an engine
without
a spark
arrester. Check local laws and regulations. A spark arrester is
available from authorized servicing dealers.
The spark arrester must
be
serviced every
100
hours
to
keep
it
functioning
as
designed.
lfthe
engine
has
been running,
the
muffler will be very hot.
Allow
the muffler
to
cool before servicing the spark arrester.
1.
Remove
the three 4
mm
screws from the exhaust deflector,
and remove the deflector.
2.
Remove
the
four
5
mm
screws from
the
muffler
protector
and remove the muffler protector.
Maintenance
I
12
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