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6
Computed kickback angle (CKA) Table
BAR
P/N Length CHAIN P/N
18″
MODEL
CKA without chain brake
SM4218 AV
33_952051338
952044926
NOTE: Ifthissawistobeusedforcom-
mercial logging, a chain brake i s required
and shall not be removed o r otherwise dis-
abled tocomply with FederalOSHA Regula-
tions for Commercial Logging.
SAFETY NOTICE: Exposure to vibrations
through prolonged use of gasoline powered
hand tools could cause blood vessel or nerve
damage in the fingers, hands, and joints of
people prone to circulation disorders or
abnormal swellings. Prolonged use in cold
weather has been linked to b lood vessel
damage in otherwise healthy people. If
symptoms occur such as numbness, pain,
loss of strength, change in skin color or texture,
or loss of feeling in the fingers, hands, or joints,
discontinue the use of this tool and seek
medical attention. An anti-vibration system
does not guarantee the avoidance of these
problems. Users who operate power tools on
a continual and regular basis must monitor
closely their physical condition and the
condition of this tool.
SPECIALNOTICE:Yoursaw isequipped
with a temperature limiting muffler andspark
arresting screen which meets the
requirements of California Codes 4442 and
4443. All U.S. forest land and the states of
California, Idaho, Maine, Minnesota, New
Jersey, Oregon, and Washington require by
law that many internal combustion engines
tobeequippedwith aspark arrestingscreen.
If youoperate achainsaw ina state or locale
where such regulations exist,you arelegally
responsible for maintaining the operating
condition of these parts. Failure to do so is
a violation of the law. Refer to the SERVICE
section for maintenance of the spark
arresting screen.
Failureto followallSafetyRules andPrecau-
tions can result inserious injury. Ifsituations
occur which are not covered in this manual,
use care and good judgement. If you need
assistance, contact your authorized service
dealer or call 1-800--554--6723.
STANDARDS: This saw is listed by Under-
writer’s Laboratories, Inc., in a ccordance with:
ANSI B175.1--2000 American National
Standards for Gasoline--Powered Chain
Saws -- Safety Requirements
CSA Z62.1--03 Chain Saws -- Occupational
Health and Safety
CSA Z62.3--96 Chain Saw Kickback Occu-
pational Health and Safety
ASSEMBLY
Protective gloves (not provided) should be
worn during assembly.
ATTACHINGTHE BAR& CHAIN(Ifnot
already attached)
WARNING: If receive d assemb led ,
repeat all steps to ensure your saw is properly
assembled and al l fasteners ar e secure. Al-
ways wear gloves when handling the chain.
The chain is sharp and can cut you even when
it is not moving!
1. Loosenand remove thebarnutsand the
clutch cover from the saw.
2. Remove the plastic shipping spacer (if
present).
Clutch cover
Bar nuts
Chain adjustment tool
(Bar Tool)
Location of
shipping
spacer
3. Turn adjusting screw on bar counterclock-
wise to move the tensioning rack as far as
it will go toward the front of the bar.
Tensioning Rack
Adjusting
Screw
4. Slide gui de bar on bar bolts until guide bar
stops against clutch drum sprocket.
Guide bar
Bar bolts
5. Carefully remove the chain from the pack-
age. Hold chain with the drive links as
shown.