14 BriggsandStratton.com
Blade Service - Figure
20
WARNING: Before you inspect the blade (C) or the blade
adapter (D), disconnect the spark plug wire and keep it
away from the spark plug. If the blade hits an object, stop the
engine. Disconnect the wire to the spark plug. Check the unit for
damage.
Frequently check the blade (C) for wear or damage such as cracks.
Frequently check the bolt (A) that holds the blade. Keep the bolt
tight. If the blade hits an object, stop the engine. Disconnect the
wire to the spark plug. Check the blade adapter (D) for damage.
Check for a bent or damaged blade, a badly worn blade, or other
damage. Before you operate the unit, damaged parts must be re-
placed with factory replacement parts. For safety, replace the blade
every two years. Keep a sharp edge on the blade. A blade that
is not sharp will cause the ends of the grass to become brown.
To remove or service the blade, take the mower to an approved
service dealer.
Check The Level Of Cut
Test the unit in a small area. If the height of cut is not level or if the
cut grass is not discharged or does not cut even, see the Trouble-
shooting section.
Engine Maintenance
Emissions Control
Maintenance, replacement, or repair of the emissions control
devices and systems may be performed by any non-road engine
repair establishment or individual.
However, to obtain “no charge” emissions control service, the
work must be performed by a factory authorized dealer. See the
Emissions Warranty.
Carburetor Adjustment
Never make adjustments to the carburetor. The carburetor was
set at the factory to operate effi ciently under most conditions.
However, if adjustments are required, see any Briggs & Stratton
Authorized Dealer for service.
How To Change The Oil - Figure
13
WARNING: Fuel and its vapors are extremely fl ammable
and explosive.
Fire or explosion can cause severe burns or death.
• If you drain the oil from the top oil fi ll tube, the fuel tank
must be empty or fuel can leak out and result in a fi re or
explosion.
Used oil is a hazardous waste product and must be disposed of
properly. Do not discard with household waste. Check with your
local authorities, service center, or dealer for safe disposal/recy-
cling facilities.
Remove Oil
You can drain the oil from the bottom drain hole, the side drain
hole, or from the top oil fi ll tube.
1. With engine off but still warm, disconnect the spark plug wire
and keep it away from the spark plug.
2. The engine is equipped with a bottom drain and/or a side
drain. Remove the oil drain plug. Drain the oil into an ap-
proved container.
3. After the oil has drained, install and tighten the oil drain plug.
4. If you drain the oil from the top oil fi ll tube (C, Figure 13),
keep the spark plug end of the engine up. Drain the oil into an
approved container.
WARNING: If you drain the oil from the top oil fi ll tube,
the fuel tank must be empty or fuel can leak out and re-
sult in a fi re or explosion. To empty the fuel tank, run the engine
until it stops from lack of fuel.
Add Oil
• Place engine level.
• Clean the oil fi ll area of any debris.
1. Remove the dipstick (A) and wipe with a clean cloth
(Figure 13).
2. Pour the oil slowly into the engine oil fi ll (C). Do not overfi ll.
After adding oil, wait one minute and then check the oil level.
3. Install and tighten the dipstick.
4. Remove the dipstick and check the oil level. It should be at the
top of the full indicator (B) on the dipstick.
5. Install and tighten the dipstick.
How To Service The Air Filter - Figure
19
NOTICE: Do not use pressurized air or solvents to clean the fi lter.
Pressurized air can damage the fi lter and solvents will dissolve the
fi lter.
WARNING: Fuel and its vapors are extremely fl ammable
and explosive.
Fire or explosion can cause severe burns or death.
• Never start or run the engine with the air cleaner assembly
(if equipped) or the air fi lter (if equipped) removed.
Air Filter - Figure
19
1. Remove the screw (A) from the top of the air fi lter assembly
(B). See Figure 19.
2. To prevent debris from falling into the carburetor, carefully
remove the air fi lter assembly.
3. Remove the foam element (C) from the air fi lter base.
4. Wash the foam element in liquid detergent and water. Squeeze
dry the foam element in a clean cloth.
5. Saturate the foam element with clean engine oil. To remove
the excess engine oil, squeeze the foam element in a clean
cloth.
6. Install the foam element into the air fi lter base.
7. Install the air fi lter assembly onto the carburetor and secure
with screw.
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