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To do maintenance on the spark
plug
CAUTION: Use the recommended spark
plug. Make sure that the replacement is
the same as the manufacturer supplied
part. An incorrect spark plug can cause
damage to the product.
1. If the product is hard to start or operate, examine
the spark plug for unwanted materials. To
decrease the risk of unwanted material on the
spark plug electrodes:
a) make sure that the idle speed is correctly
adjusted.
b) make sure that the fuel mixture is correct.
c) make sure that the air filter is clean.
2. Clean the spark plug if it is dirty. Make sure that
the electrode gap is correct.
3. Replace the spark plug when it is necessary.
To clean the air filter
1. Remove the air filter cover and remove the air
filter.
2. Clean the air filter with warm soap water. Make
sure that the air filter is dry before you install it.
3. Replace the air filter if it is too dirty to fully clean
it. Always replace a damaged air filter.
To sharpen the saw chain
The cutter
The cutting part of the saw chain is called the cutter
and consists of a cutting tooth (A) and the depth
gauge (B). The cutters cutting depth is determined
by the difference in height between the two, the
depth gauge setting (C).
654 - 005 - 21.10.2019
A
B
When you sharpen a cutting tooth there are four
important factors to remember:
•
Filing angle.
A
•
Cutting angle.
•
File position.
•
Round file diameter.
C
A
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