Briggs & Stratton 11000B Operator's Manual page 12

6. Install the foam element (C, Figure 21) onto the air filter base.
7. Install the cover (B, Figure 21) and secure with fastener(s) (A).
Paper Air Filter
1. Loosen the fastener(s) (A, Figure 22).
2. Remove the cover (B, Figure 22).
3. To prevent debris from falling into the carburetor, carefully remove the pre-cleaner
(D, Figure 22) and the filter (C) from the air filter base.
4. Remove the pre-cleaner (D, Figure 22), if equipped, from the filter (C).
5. To loosen debris, gently tap the filter (C, Figure 22) on a hard surface. If the filter is
excessively dirty, replace with a new filter.
6. Wash the pre-cleaner (D, Figure 22), if equipped, in liquid detergent and water. Allow
the pre-cleaner to throughly air dry. Do not oil the pre-cleaner.
7. Assemble the dry pre-cleaner (D, Figure 22), if equipped, to the filter (C).
8. Install the filter (C, Figure 22) and the pre-cleaner (D), if equipped, onto the air filter
base. Make sure the filter fits securely on the air filter base.
9. Install the cover (B, Figure 22) and secure with the fastener(s) (A). Make sure the
fastener(s) is tight.
Service Fuel System
See Figure: 23
WARNING
Fuel and its vapors are extremely flammable and explosive.
Fire or explosion can cause severe burns or death.
• Keep fuel away from sparks, open flames, pilot lights, heat, and other ignition sources.
• Check fuel lines, tank, cap, and fittings frequently for cracks or leaks. Replace if
necessary.
• Before cleaning or replacing the fuel filter, drain the fuel tank or close the fuel shut-
off valve.
• If fuel spills, wait until it evaporates before starting engine.
• Replacement parts must be the same and installed in the same position as the original
parts.
Fuel Filter, if equipped
1. Before cleaning or replacing the fuel filter (A, Figure 23), drain the fuel tank or close
the fuel shut-off valve. Otherwise, fuel can leak out and cause a fire or explosion.
2. Use pliers to squeeze tabs (B, Figure 23) on the clamps (C), then slide the clamps
away from the fuel filter (A). Twist and pull the fuel lines (D) off of the fuel filter.
3. Check the fuel lines (D, Figure 23) for cracks or leaks. Replace if necessary.
4. Replace the fuel filter (A, Figure 23) with an original equipment replacement filter.
5. Secure the fuel lines (D, Figure 23) with clamps (C) as shown.
Service Cooling System
WARNING
Running engines produce 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 accumulated debris from muffler area and cylinder area.
NOTICE Do not use water to clean the engine. Water could contaminate the fuel
system. Use a brush or dry cloth to clean the engine.
This is an air cooled engine. Dirt or debris can restrict air flow and cause the engine to
overheat, resulting in poor performance and reduced engine life.
1. Use a brush or dry cloth to remove debris from the air intake grille.
2. Keep linkage, springs and controls clean.
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3. Keep the area around and behind the muffler, if equipped, free of any combustible
debris.
4. Make sure the oil cooler fins, if equipped, are free of dirt and debris.
After a period of time, debris can accumulate in the cylinder cooling fins and cause the
engine to overheat. This debris cannot be removed without partial disassembly of the
engine. Have a Briggs & Stratton Authorized Service Dealer inspect and clean the air
cooling system as recommended in the Maintenance Schedule.
Lithium-Ion Battery Pack Disposal
WARNING
Battery chemicals are toxic and corrosive.
Fire or explosion can cause severe burns or death.
Electrical Shock
• Never burn or incinerate discarded or used battery packs as they may explode. Toxic
fumes and materials are created when battery packs are burned.
• Do not use a battery that has been crushed, dropped, or damaged.
Used and discarded battery packs will likely still carry a small electrical charge and should
be handled with care. Always dispose of discarded or used battery packs according to
federal, state and local regulations.
RBRC (Rechargeable Battery Recycling Corporation) Seal
RBRC is a non-profit public service organization dedicated to recycling used
rechargeable batteries. To find a battery collection site near you, call toll
free 1-800-8-BATTERY or 1-877-2-RECYCLE. For more information and
a listing of Recycling Locations, visit RBRC online at www.call2recycle.org.
Storage
WARNING
Fuel and its vapors are extremely flammable and explosive.
Fire or explosion can cause severe burns or death.
Electrical Shock
When Storing Fuel Or Equipment With Fuel In Tank
• Store away from furnaces, stoves, water heaters or other appliances that have pilot
lights or other ignition sources because they can ignite fuel vapors.
When Storing Battery Pack
• Keep battery charger dry. Avoid exposing battery pack to rain or wet conditions.
Fuel System
See Figure: 24, 25
Note: Some models have a fuel tank for vertical storage that will let the engine tilt for
maintenance or storage (C, Figure 24). Do not store in vertical position with fuel tank filled
above the bottom of the fuel level indicator (D), if equipped. For further instructions, see
the equipment manual.
Store the engine level (normal operating position). Fill fuel tank (A, Figure 25) with fuel.
To allow for expansion of fuel, do not overfill above the fuel tank neck (B).
Fuel can become stale when stored over 30 days. Stale fuel causes acid and gum deposits
to form in the fuel system or on essential carburetor parts. To keep fuel fresh, use Briggs
& Stratton Advanced Formula Fuel Treatment & Stabilizer, available wherever Briggs
& Stratton genuine service parts are sold.
There is no need to drain gasoline from the engine if a fuel stabilizer is added according
to instructions. Run the engine for two (2) minutes to circulate the stabilizer throughout the
fuel system before storage.
If gasoline in the engine has not been treated with a fuel stabilizer, it must be drained into
an approved container. Run the engine until it stops from lack of fuel. The use of a fuel
stabilizer in the storage container is recommended to maintain freshness.
Engine Oil
While the engine is still warm, change the engine oil. See the Change Oil section. For
Just Check & Add™ models, an oil change is not required.
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