Craftsman 77236100N Operation Manual - Page 22

Engine, Maintenance, Emission, Control, Carburetor, Adjustment, Spark

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Engine Maintenance CAUTION All the components used to build this engine must remain in place for the proper operation of this engine. Emission Control Maintenance, replacement or repair of the emission control devices and systems may be performed by any non-road engine repair establishment or individual. However, to obtain no charge repairs under the terms and provisions of the Sears warranty statement, any service or emission control part repair or replacement must be performed by a factory authorized dealer. See the Emission Warranty. Carburetor Adjustment Never make unnecessary adjustments to the carburetor. The carburetor was set at the factory to operate efficiently under most applications. However, if adjustments are required, see any Sears or other qualified service dealer for service. CAUTION The manufacturer of the equipment on which this engine is installed specifies top speed at which the engine will be operated. DO NOT EXCEED this speed. Spark Plug Check the spark plug every 100 hours. Replace the spark plug if, upon inspection, the electrode (A) is burned or worn. Make sure that the spark plug is clean. Check the gap with a wire gauge (B). If necessary, reset to 0.030" (0.76 mm). See (Figure 19). NOTE: In some areas, local law requires using a resistor spark plug to suppress ignition signals. If this engine was originally equipped with a resistor spark plug, use same type for replacement. A B Figure 19: Check Spark Plug 22

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Engine
Maintenance
CAUTION
All the components
used to build this engine must
remain in place for the proper operation of this
engine.
Emission
Control
Maintenance,
replacement
or repair of the emission
control devices and systems
may be performed
by
any non-road
engine repair establishment
or
individual.
However, to obtain no charge repairs under
the terms and provisions
of the Sears warranty
statement,
any service
or emission
control part repair
or replacement
must be performed
by a factory
authorized
dealer. See the Emission
Warranty.
Carburetor
Adjustment
Never make unnecessary
adjustments
to the
carburetor. The carburetor
was set at the factory to
operate efficiently under most applications.
However,
if adjustments
are required, see any Sears or other
qualified service dealer for service.
CAUTION
The manufacturer
of the equipment
on which this
engine is installed specifies
top speed at which the
engine will be operated.
DO NOT EXCEED this
speed.
Spark
Plug
Check the spark plug every 100 hours.
Replace the
spark plug if, upon inspection,
the electrode
(A) is
burned or worn. Make sure that the spark plug is
clean. Check the gap with a wire gauge (B). If
necessary, reset to 0.030" (0.76 mm). See
(Figure
19).
NOTE: In some areas, local law requires using a
resistor spark plug to suppress
ignition
signals.
If
this engine was originally
equipped
with a
resistor spark plug, use same type
for
replacement.
A
B
Figure
19: Check Spark Plug
22