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3. Make sure that the electrode gap is correct. Refer to
Technical data on page 13 .
4. Replace the spark plug monthly or more frequently if
it is necessary.
To do maintenance on the muffler
1. Stop the engine and let the muffler become cool.
Use protective gloves.
2. Remove the muffler cover.
3. Do a visual check. Replace the spark arrestor screen
if it is damaged.
To examine and clean the cooling
system
The cooling system includes the cooling fins on the
cylinder and the air intake screen.
10
1. Stop the engine.
2. Make sure that the cooling system is not dirty or
blocked. If it is necessary, clean the air intake screen
and cooling fins.
CAUTION:
cooling system can increase the
temperature of the engine and cause
damage to the product. A clogged air
intake screen decreases the blow force.
3. Examine the cooling system for damages. Make
sure that the parts are attached correctly to the
product.
To clean the air filter
CAUTION:
without an air filter or with a damaged air
filter. Dust in the air can cause damage to
the engine.
1. Push the choke control to the closed choke postition.
2. Remove the air filter cover (A).
D
3. Remove the air filter (B) from the filter frame.
4. Clean the air filter (B) with warm water and soap.
Note:
An air filter that has been used for a long
time cannot be fully cleaned. Replace the air filter
regularly and always replace a defective air filter.
5. Clean the inner surface of the air filter cover (A) with
a brush.
6. Remove and replace the felt filter (C) if it is dirty.
7. Install the screen (D), the felt filter (C) and the air
filter (B).
8. Install the air filter cover (A) to the product.
A dirty or blocked
Do not use a product
C
B
A
2416 - 002 - 24.02.2025
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