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6
General Safety Precautions
The use of any chain saw may be hazardous. At full throttle
chain speed can reach 45 mph (20 m/s). It is important
that you read; fully understand and observe the following
safety precautions and warnings. Read the Operator’s
manual and the safety instructions periodically.
WARNING!
Reactive forces, including kickback, can be da n gerous.
Careless or improper use of any chain saw may cause
serious or fatal injury.
Have your MAKITA dealer show you how to operate
your chain saw. Observe all applicable local safety
regulations, standards and ordinances.
1
WARNING!
Prolonged use of chain saws exposing the operator
to vibrations may produce Whitenger disease (Ray-
naud’s phenomenon). This phenomenon reduces
the hand’s ability to feel and regulate temperature,
produces numbness and burning sensations and
may cause nerve and circulation damage and tissue
necrosis.
All MAKITA saws are therefore provided with an an-
tivibration system which is essential for those using
chain saws on a regular or sustained basis. Antivi-
bration systems do not guarantee that you will not
sustain Whitenger disesase, however, they reduce
this danger considerably. Nevertheless, continual and
regular users should observe their hands and ngers
and in case of any abnormal symptoms, seek medical
advice immediately.
2
The operator
Physical Condition
You must be in good physical condition and mental
health and not under the inuence of any substance
(drugs, alcohol), which might impair vision, dexterity
or judgment.
Discription of symbols used on chain
saws:
CSA Standards Z62.1-15
Class 1A Z62.3-11
ANSI Standard B175.1-2012
WARNING!
Minors should never be allowed to use a chain
saw.
Bystanders, especially children and animals should
not be allowed in the area where a chain saw is in
use (g. 1).
Never let the saw run unattended.
Store it in a locked place away from children. Empty
the fuel and oil tank (see storing the saw).
Do not lend your chain saw without this Operator’s
and Safety Manual. Be sure that anyone using your
saw understands the information given.
Proper use of a chain saw involves
1. the operator
2. the saw
3. the use of the saw.
Maximum Computed Kickback Angle CKAwb* with using
the chain brake when using the recommended bar and
chain combinations. In this example the CKA is 38°.
Always use two hands when op-
erating the chain saw!
* The Computed Kickback Angle is a calculated value from
energies measured on a test bench.It is not the angle of
the guide bar moved upward in case of a KICKBACK.
Reduced Kickback Bar and
Chain combination that has been
evaluated with the power head
to achieve kickback protection
(according to ANSI and CSA
standards).
XXX.YYY.ZZZ
XXX.YYY.ZZZ
Contact of the guide bar tip with
any object should be avoided!
Tip contact may cause the guide
bar to move suddenly upward
and backward, which may cause
serious injury!
Maximum Computed Kickback Angle
CKAwob* without using the chain brake
when using the recommended bar and chain
combinations. In this example the CKA is 82°.
max. 82
O
CKAwob,
38
O
CKAwb
6


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