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TO ADJUST THE CARBURETOR
The carburetor is not adjustable. En-
gine performance should not be af-
fected at altitudes up to 7,000 feet. For
operation at higher elevations, contact
your nearest Sears Store.
IMPORTANT: Never tamper with the
engine governor, which is factory set for
proper engine speed. Over-speeding
the engine above the factory high
speed setting can be dangerous. If you
think the engine_:joverned high speed
needs adjusting, contact your nearest
Craftsman Store, which has the proper
equipment and experience to make any
necessary adjustments.
TO ADJUST OR REPLACE THE
SPARK PLUG
NOTE: This spark ignition system
meets all requirements of the Canadian
Interference_3ausing Equipment Regu-
lations.
NOTE: This engine complies with all
current Australian and New Zealand
limitations regarding electromagnetic
interference.
If you have difficulty starting the snow
thrower, adjust or replace the spark
plug. Replace the spark plug if the elec-
trodes are pitted or burned or if the por-
celain is cracked. Follow the
instructions below.
TO adjust:
1. Clean spark plug by carefully
scraping the electrodes (Do not
sand blast or use s wire brush).
2. Be sure spark plug is clean and
free of foreign material. Check elec-
trodes gap with a wire feeler gauge
and reset gap to 0.030" if neces-
sary. See Figure 24.
To Replace:
1. If you need a new spark plug, use
only the proper replacement spark
plug.
2. Set the gap to 0.030 inches.
3. Before installing the spark plug,
lightly coat the spark plug threads
with oil or grease to insure easy re-
moval.
4. Firmly tighten the spark plug in the
engine.
5. If a torque wrench is available,
torque the plug to 15 foot pounds.
F-001072M
Feeler Gauge
0.030" --
Spark Plug
Figure 24
22