Service Air Filter - Briggs & Stratton VANGUARD 540000 Manual Del Operario

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5.
Reinstall and tighten the dipstick (A, Figure 10).
6.
Connect the spark plug wire(s) (D, Figure 9) to the spark plug(s) (E).

Service Air Filter

See Figure: 11, 12
WARNING
Fuel and its vapors are extremely flammable and explosive.
Fire or explosion can cause severe burns or death.
• Never start and run the engine with the air cleaner assembly (if equipped) or the
air filter (if equipped) 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.
See the Maintenance Schedule for service requirements.
Various models use either a foam or a paper filter. Some models may also have an
optional pre-cleaner that can be washed and reused. Compare the illustrations in this
manual with the type installed on your engine and service as follows.
Paper Air Filter
1.
Open the fastener(s) (A, Figure 11) and remove the cover (B).
2.
Remove the air filter (C, Figure 11).
3.
To loosen debris, gently tap the air filter on a hard surface. If the air filter is
excessively dirty, replace with a new air filter.
4.
To remove the safety filter (D, Figure 11), if equipped, carefully pull it away from
the air cleaner body (E). Make sure that dirt or debris does not enter the engine.
5.
Install the new safety filter (D, Figure 11) in the air cleaner body (E).
6.
Install the air filter (C, Figure 11) over the safety filter (D).
7.
Install the cover (B, Figure 11) and close the fastener(s) (A).
Paper Air Filter
1.
Remove the fastener(s) (A, Figure 12).
2.
Remove the cover (B, Figure 12).
3.
Remove the fastener(s) (C, Figure 12) and retainer (D).
4.
Remove the air filter (E, Figure 12).
5.
Remove the pre-cleaner (F, Figure 12), if equipped, from the air filter (E).
6.
To loosen debris, gently tap the air filter (E, Figure 12) on a hard surface. If the air
filter is excessively dirty, replace with a new air filter.
7.
Wash the pre-cleaner (F, Figure 12), if equipped, in liquid detergent and water.
Allow the pre-cleaner to thoroughly air dry. Do not oil the pre-cleaner.
8.
Assemble the dry pre-cleaner (F, Figure 12), if equipped, to the air filter (E).
9.
Install the air filter (E, Figure 12) and secure with retainer (D) and fastener(s) (C).
10.
Install the cover (B, Figure 12) and secure with the fastener(s) (A). Make sure the
fastener(s) is tight.
Service Fuel System
See Figure: 13
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 replacing the fuel filter (A, Figure 13), if equipped, 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 13) 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 13) for cracks or leaks. Replace if necessary.
4.
Replace the fuel filter (A, Figure 13) with an original equipment replacement filter.
5.
Secure the fuel lines (D, Figure 13) with clamps (C) as shown.
Service Cooling System
See Figure: 14, 15
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 area (A, Figure 14).
2.
Keep linkage, springs and controls (B, Figure 15) clean.
3.
Keep the area around and behind the muffler (C, Figure 15) free of any
combustible debris.
4.
Make sure the oil cooler fins (D, Figure 15) are free of dirt and debris.
5.
Loosen fastener(s) (E, Figure 14) until you hear a click. Remove panel (F). and
clean the area of dirt and debris. Make sure the underside of the panel is also
clean.
6.
Install the panel (F, Figure 14) and secure with fastener(s) (E). Tighten fastener(s)
until you hear a click.
7.
Cyclonic Air Filter System (G, Figure 14): Loosen fastener (H, Figure 14) and
pivot Cyclonic Air Filter, if equipped, away from the engine. It is not necessary to
remove the flexible air cleaner hose (J). After cleaning, make sure to reposition the
air filter and tighten the fastener.
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 Dealer inspect and clean the air cooling
system as recommended in the Maintenance Schedule.
Storage
WARNING
Fuel and its vapors are extremely flammable and explosive.
Fire or explosion can cause severe burns or death.
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.
Fuel System
See Figure: 16 
Store the engine level (normal operating position). Fill fuel tank (A, Figure 16) with fuel.
To allow for expansion of fuel, do not overfill above the fuel tank neck (B). 
Fuel can become stale when kept in a storage container for more than 30 days. Each
time you fill the container with fuel, add STA-BIL 360°
specified by the manufacturer's instructions. This keeps fuel fresh and decreases fuel-
related problems or contamination in the fuel system.
It is not necessary to drain fuel from the engine when STA-BIL
®
360°
 PROTECTION™ is added as instructed. Before storage, turn the engine ON for 2
minutes to move the fuel and stabilizer through the fuel system.
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. 
®
 PROTECTION™ to the fuel as
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