Briggs & Stratton WP20 Manual Del Operario página 14

Service Air Cleaner
Clean or replace the air cleaner elements as recommended in
the Maintenance Chart or more often if operating under dirty
or dusty conditions. Your engine will not run properly and may
be damaged if you run it with a dirty air cleaner.
To service the air cleaner, follow these steps:
1. Remove fastener (A, Figure 5) and cover (B).
B
C
D
E
F
2. Remove fastener (C) and filter assembly (D).
3. If equipped, remove pre-cleaner (G) from the filter. To
loosen debris, gently tap filter on a hard surface. If filter
is excessively dirty, replace with new filter.
NOTICE DO NOT use pressurized air or solvents to clean
the foam air cleaner.
• Pressurized air can damage the foam air cleaner and
solvents will dissolve the foam air cleaner.
The air cleaner system uses a pleated filter with an
optional pre-cleaner. The pre-cleaner can be washed
and reused.
4. Wash pre-cleaner in liquid detergent and water. Then
allow it to thoroughly air dry. Do not oil the pre-cleaner.
5. Assemble dry pre-cleaner to filter.
6. Install filter and pre-cleaner into base (F) and onto stud
(E). Make sure filter fits securely into base. Secure filter
with fastener (C).
7. Install cover (B) and secure with fastener (A). Make sure
fastener is finger tight.
14
Service Spark Plug
Change the spark plug as recommended in the Maintenance
Chart. This will help your engine to start easier and run better.
A
G
D
Inspect Muffler and Spark Arrester
Inspect the muffler for cracks, corrosion, or other damage.
Remove the spark arrester, if equipped, and inspect
for damage or carbon blockage. If replacement parts
are required, make sure to use only original equipment
replacement parts.
Contact with muffler area could cause burns resulting in
serious injury.
• DO NOT touch hot parts and AVOID hot exhaust gases.
• Allow equipment to cool before touching.
• Keep at least 1.5 m (5 feet) of clearance on all sides of
• Contact the original equipment manufacturer, retailer, or
• Replacement parts must be the same and installed in the
1. Clean area around spark plug.
2. Remove and inspect spark plug.
3. Check electrode gap with wire feeler gauge and set
spark plug gap to 0.76 mm (0.030 in) if necessary.
4. Replace spark plug if electrodes are pitted, burned
or porcelain is cracked. Use the recommended
replacement plug. See Specifications.
5. Install spark plug and tighten firmly.
WARNING Exhaust heat/gases could ignite
combustibles, structures or damage fuel tank
causing a fire, resulting in death, serious injury
and/or property damage.
pressure washer including overhead.
dealer to obtain a spark arrester designed for the exhaust
system installed on this engine.
same position as the original parts.
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