Craftsman professional 107.289850 Manual Del Operador página 25

Service The Air Filter Servicing the Muffler
WARNING
Fuel and its vapors are extremely flammable
and explosive.
Fire or explosion can cause severe burns or
death.
• Never start or run the engine with the air cleaner
assembly or air filter removed.
NOTICE: Do not use pressurized air or solvents to clean
the filter. Pressurized air can damage the filter and solvents
will dissolve the filter. The air filter system uses either a flat
or oval cartridge. Some models are also equipped with a
pre-cleaner that can be washed and reused.
Oval Air Filter
1. Remove the cover (A, Figure 10).
2. To remove the filter (B), lift the end of the filter.
3. Remove the pre-cleaner (C) from the filter.
4. To loosen debris, gently tap the filter on a hard
surface. If the filter is excessively dirty, replace with a
new filter.
5. Wash the pre-cleaner in liquid detergent and water.
Then allow it to thoroughly air dry. Do not oil the pre-
cleaner.
6. Assemble the dry pre-cleaner and the filter into the
engine base (D).
7. Install the cover.
®
WARNING
Running engine produces heat. Engine parts,
especially muffler, become extremely hot.
Severe thermal burns can occur on contact.
Combustible debris, such as leaves, grass,
brush, etc. can catch fire.
Allow muffler, engine cylinder and fins to cool before
touching.
Remove visible debris from engine compartment.
WARNING
Replacement parts must be the same position as
the original parts or fire could result.
To service the muffler, see an authorized dealer.
Servicing the Spark Plugs
WARNING
Unintentional sparking can result in fire or electric
shock.
Unintentional start-up can result in entanglement,
traumatic amputation, or laceration.
When testing for spark:
• Use approved spark plug tester.
• Do not check for spark with spark plug removed.
CAUTION: Spark plugs have different heat ranges. It is
important that the correct spark plug is used, otherwise,
engine damage can occur.
Clean Spark Plug
Clean with wire brush and sturdy knife. Do Not use
abrasives.
FIGURE 10
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