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Not for
Reproduction
13
Maintenance
Service Air Cleaner
WARNING! Fuel and its vapors are extremely
flammable which could cause burns or fire
resulting in death or serious injury.
• Do not start and run engine with air filter removed.
Your engine will not run properly and may be damaged if
you run it with a dirty air cleaner. Clean or replace more
often if operating under dusty or dirty conditions.
NOTICE Do not use pressurized air to clean the filter.
Pressurized air can damage the filter.
To service the air cleaner, follow these steps:
1. Unclamp latches that hold on the cover.
2. Remove cover and foam air filter.
3. Wash the foam air filter in liquid detergent and water.
Squeeze dry the foam air filter in a clean cloth.
NOTICE If the filter is excessively dirty, replace with a new
filter. See Common Service Parts.
4. Saturate the foam air filter with clean engine oil. To
remove the excess engine oil, squeeze the foam air
filter in a clean cloth.
5. Reinstall clean or new foam air filter.
6. Reinstall the air filter cover and re-clamp latches.
Service Spark Plug
Changing the spark plug will help your engine to start
easier and run better.
1. Clean area around spark plug.
2. Remove and inspect spark plug.
3. Replace spark plug if electrodes are pitted, burned
or porcelain is cracked. Use the recommended
replacement spark plug. See Common Service Parts.
4. Check electrode gap with wire feeler gauge and reset
spark plug gap to recommended gap if necessary
(see Specifications).
5. Install spark plug and tighten firmly.
Inspect Muffler and Spark Arrester
The engine exhaust muffler has a spark arrester screen.
Inspect the muffler for cracks, corrosion, or other damage.
Inspect spark arrester screen for damage or carbon
blockage. Clean if carbon blockage is found using brush
and commercial solvent or replace if damaged.
WARNING!
Contact with muffler area could
cause burns resulting in serious injury.
• Allow equipment to cool before servicing.
• It is a violation of California Public Resource Code, Section
4442, to use or operate the engine on any forest-covered,
brush-covered, or grass-covered land unless the exhaust
system is equipped with a spark arrester, as defined
in Section 4442, maintained in effective working order.
Other states or federal jurisdictions may have similar laws,
reference Federal Regulation 36 CFR Part 261.52.
Replace spark arrester as follows:
1. Remove two screws holding cover plate and remove
spark arrester screen from muffler.
2. Carefully remove carbon deposits from spark arrester
screen with a wire brush.
3. Replace screen if damaged.
4. Position spark arrester in muffler and attach cover
plate with two screws.
Common Service Parts
Air Cleaner .............................704927
Spark Plug .............................704948
Engine Oil Bottle ...............100005 or 100028
Synthetic Oil Bottle ......................100074
Contact an authorized service dealer or
BRIGGSandSTRATTON.com for a full list of parts and
diagrams.
Latches
Filter
Cover
Muffler
Spark Arrester
Screen
Screws
Cover Plate
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