3. Attach the air filter and make sure that the air filter
seals tightly against the filter holder.
Note:
Because of different work conditions, weather
or season, your product can be used with different types
of air filter. Speak to your servicing dealer for more
information.
To do a check of the spark plug
CAUTION:
spark plug. Refer to
34 . An incorrect spark plug can cause
damage to the product.
1. If the product is not easy to start or to operate or if
the product operates incorrectly at idle speed,
examine the spark plug for unwanted materials. To
decrease the risk of unwanted material on the spark
plug electrodes, do these steps:
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.
3. Make sure that the electrode gap is correct. Refer to,
Technical data on page 34 .
4. Replace the spark plug monthly or more frequently if
necessary.
To sharpen the saw chain
Information about the guide bar and saw chain
WARNING:
when you use or do maintenance on the
saw chain. A saw chain that does not move
can also cause injuries.
1049 - 005 - 21.06.2021
Use the recommended
Technical data on page
Use protective gloves
Replace a worn or damaged guide bar or saw chain with
the guide bar and saw chain combination recommended
by Jonsered. This is necessary to keep the safety
functions of the product. Refer to
35 , for a list of replacement bar and chain
combinations that we recommend.
•
Guide bar length, in/cm. Information about the guide
bar length can usually be found on the rear end of
the guide bar.
•
Number of teeth on bar tip sprocket (T).
•
Chain pitch, in. The distance between the drive links
of the saw chain must align with the distance of the
teeth on the bar tip sprocket and drive sprocket.
D
•
Number of drive links. The number of drive links is
decided by the type of guide bar.
•
Bar groove width, in/mm. The groove width in guide
bar must be the same as the chain drive links width.
Accessories on page
D
PITCH =
2
27