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SAFETY INSTRUCTIONS
If the muffler on your machine is fitted with a spark arrestor
mesh this must be cleaned regularly. A blocked mesh will
cause the engine to overheat and may lead to serious
damage.
Never use a muffler if the spark arrestor mesh is missing
or defective.
Cutting equipment
This section describes how to choose and maintain your
cutting equipment in order to:
• Reduce the risk of kickback.
• Reduce the risk of the chain breaking or jumping.
• Obtain maximum cutting performance.
• Extend the life of cutting equipment.
General rules
•
Only use cutting equipment recommended by us!
See the Technical data section.
•
Keep the chain’s cutting teeth properly sharpened!
Follow our instructions and use the recommended file
gauge.
A damaged or badly sharpened chain increases
the risk of accidents.
•
Maintain the correct raker clearance! Follow our
instructions and use the recommended raker gauge.
Too large a clearance increases the risk of kickback.
•
Keep the chain properly tensioned!
If the chain is slack
it is more likely to jump off and lead to increased wear on
the bar, chain and drive sprocket.
•
Keep cutting equipment well lubricated and properly
maintained!
A poorly lubricated chain is more likely to
break and lead to increased wear on the bar, chain and
drive sprocket.
Cutting equipment designed to minimise
kickback
The only way to avoid kickback is to make sure that the
kickback zone of the bar never touches anything.
By using cutting equipment with ”built-in” kickback reduction
and keeping the chain sharp and well-maintained you can
reduce the effects of kickback.
Bar
The smaller the tip radius the smaller the kickback zone and
the lower the chance of kickback.
Chain
A chain is made up of a number of links, which are available
in standard and low-kickback versions.
Combining these links in different ways gives different
degrees of kickback reduction. In terms of kickback reduction
alone, four different types of link are available.
!
WARNING! Never use a machine with faulty
safety equipment. The machine’s safety
equipment must be checked and maintained
as described in this section. If your machine
fails any of these checks contact your
service agent to get it repaired.
!
WARNING! Faulty cutting equipment or the
wrong combination of bar and chain
increases the risk of kickback! Use only the
bar and chain combinations that we
recommend. See the Technical data section.
None Standard Low-kickback
Cutting link
Drive link
Side link
Level of
kickback
reduction
Cutting link Drive link Side link
Low
Standard
High
Extra high