PowerBoss Operator's Manual page 16

Service Air Cleaner
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.
To service the air cleaner, follow these steps:
1. Loosen fastener (A) that holds cover (B) and remove
cover.
C
D
E
H
G
2. Remove fastener (C), washer (D), and foam element (E).
3. Remove support cup (F) from foam element.
4. Wash foam element in liquid detergent and water.
Squeeze dry foam element in a clean cloth.
5. Saturate foam element with clean engine oil. To remove
excess engine oil, squeeze foam element in a clean cloth.
6. Insert support cup into foam element.
7. Install foam element into base (G) and onto stud (H).
Make sure foam element is properly assembled into
base and secure with washer and fastener.
8. Install air filter cover and secure with fastener. Make
sure fastener is tight.
Service Spark Plug
Changing 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 Specifications.
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.
16
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.
A
Contact with muffler area could cause burns resulting in
serious injury.
B
• DO NOT touch hot parts and AVOID hot exhaust gases.
• Allow equipment to cool before touching.
• Keep at least 5 feet (1.5 m) of clearance on all sides of
E
generator including overhead.
• 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
F
federal jurisdictions may have similar laws.
Contact the original equipment manufacturer, retailer, or dealer
to obtain a spark arrester designed for the exhaust system
installed on this engine.
• Replacement parts must be the same and installed in the same
position as the original parts.
Clean Cooling System
Over time debris may accumulate in cylinder cooling fins and
cannot be observed without partial engine disassembly. For
this reason, we recommend you have a Briggs & Stratton
authorized dealer clean the cooling system (J) per
recommended intervals (see Maintenance Schedule in the
Maintenance section). Equally important is to keep top of
engine free from debris. Also see Cleaning.
Carburetor Adjustment
The carburetor on this engine is low emission. It is equipped
with a non-adjustable idle mixture valve. Top speed has been
set at the factory. If adjustment is required, see a Briggs &
Stratton authorized dealer.
result in minor injury and/or generator damage.
Excessively low speeds impose a heavy load.
• DO NOT tamper with governor spring, links or other parts to
increase engine speed. Generator supplies correct rated
frequency and voltage when running at governed speed.
• DO NOT modify generator in any way.
WARNING Exhaust heat/gases could ignite
combustibles, structures or damage fuel
tank causing a fire, resulting in death,
serious injury and/or property damage.
CAUTION Excessively high operating speeds could
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J