spark plug after every 50 hours of operation.
Recommended spark plugs: F7RTC or other
equivalents.
An incorrect spark plug can cause engine
damage.
• Disconnect the spark plug cap, and remove
any dirt from around the spark plug area.
• Remove the spark plug with a spark plug
wrench.
• Inspect the spark plug. Rep
lace it if the
electrodes are worn, or if the insulator is
cracked or chipped.
• Measure the spark plug electrode gap with a
suitable gauge.
• The gap should be 0.70
- 0.80 mm (0.028 -
0.031 in). Correct the gap, if necessary, by
carefully bending the side electrode
• Install the spark plug carefully, by hand, to
avoid cross-threading.
• After the spark plug seats, tighten with a spark
plug wrench to compress the water.
• If reinstalling the used spark plug
㸪
tighten 1/8
- 1/4 turn after the spark plug seats. If installing
a new spark plug, tighten 1/2 turn after the
spark plug seats.
• Attach the spark plug cap.
5%+-+-68/*/4+7/-18>
The sediment cup prevents dirt and water that
may have gotten into the fuel tank from entering
the carburetor. If the engine has not been run
for a long time, the sediment cup should be
cleaned before use.
• Turn the fuel valve to the off position.
• Remove the sediment cup using a 10 mm
wrench.
• Remove the o
-ring and filter.
• Clean each of the parts in a high flash
-point
solvent.
• Reinstall the filter, o
-ring, and sediment cup.
Tighten with 10 mm wrench to secure.
• Return the fuel valve to the ON position and
check for leaks.
5%+-+-6%5[85/1'5
• Loosen the carburetor drain screw.
• Allow gasoline to drain completely i
nto
suitable container.
• Retighten drain screw.
1'5%6/5/>%5%1+'-
Proper storage preparation is essential for
keeping your snow thrower trouble free and
looking good. The following steps will help to
keep rust and corrosion from impairing your
snow
thrower’s function and appearance, and will
make the engine easier to start after storage.
*/%-+-6
If the engine has been running, allow it to cool
for at least half an hour before cleaning. Clean
all exterior surfaces, touch up any damaged
paint, and coat other areas that may rust with a
light film of oil.
•Using a garden hose or pressure washing
equipment can force water into the air cleaner
or muffler opening. Water in the air cleaner will
soak the air filter, and water that passes
through the air filter or muffler can enter the
cylinder, causing damage.
•Water contacting a hot engine can cause
damage. If the engine has been running, allow
it to cool for at least half an hour before
washing.
8/*
Gasoline will oxidize and deteriorate in storage.
Old gasoline (more than 3 months old) will
cause hard starting, and it leaves gum deposits
EN
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