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WARNING: A used muffler/spark
arrester and spark arrester mounting
face may contain deposits of combustion
particles on the surfaces that may be
carcinogenic. To avoid skin contact and
inhalation of such particles when cleaning
and/or servicing the spark arrester, make
sure you always:
• wear gloves;
• clean and/or service in a well ventilated
area;
• do not use pressurized air to clean the
spark arrester screen;
• use a steel brush and brush away from
your body when cleaning the spark
arrester.
1. If the muffler on your product has a spark arrester
screen, clean it weekly with a steel brush. Replace
the spark arrester screen if it is damaged.
CAUTION: A blocked spark arrester
screen causes the engine to become too hot
and results in damage to the cylinder and
piston.
CAUTION: If the spark arrester screen
is frequently blocked, let your service agent
examine the muffler.
To clean the cooling system
The cooling system includes the air intake on the starter
housing (A), the cooling fins on the flywheel (B), the
cooling fins on the cylinder (C) and the cylinder cover
(D).
D
C
B
A
Clean the cooling system weekly or more frequently if it
is necessary.
1. Remove the starter housing and the cylinder cover.
2. Clean the cooling system with a brush.
Air filter
A dirty air filter can cause carburetor malfunction, start
problems, loss of engine power and wear to engine
parts. It also makes the engine use more fuel than
necessary. Clean the filter at an interval of 8 hours, or
more frequently if the product is operated in a dusty
environment.
Note:
An engine adjustment can be necessary
when the air filter has been cleaned or replaced. See
Carburetor on page 24
.
To examine the paper air filter
1. Remove the air filter cover.
1346 - 007 - 22.08.2023
25
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