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Computed kickback angle (CKA) Table
BAR
P/N Length CHAIN P/N
MODEL
952044815 20″ 952051310 31_
CKA without chain brake
PP4620AVX
NOTE: Ifthissawistobeusedforcommer-
cial logging, a chain brake is required and
shall not be removed or otherwise disabled
to comply with Federal OSHA Regulations
for Commercial Logging.
SAFETY NOTICE: Exposure to vibrations
through prolonged use of gasoline powered
hand tools could cause blood vessel or nerve
damage i n th e fingers, hands, and joints o f
people prone to circulation disorders or
abnormal swellings. Prolonged use in cold
weather has been linked to blood vessel
damage in otherwise healthy people. If
symptoms occur such as numbness, pain,
loss ofstrength,changeinskincolorortexture,
or loss offeeling i nthe fingers, hand s, orjoints,
discontinue the use of this tool and seek
medical attention. An anti-vibration system
does not guarantee t he avoidance of these
problems. Users who operate power tools on
a continual and regular basis must m onitor
closely their physical condition and the
condition of this tool.
SPECIALNOTICE:Yoursawisequipped
with atemperaturelimiting muf flerandspark
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, andWashington require b y
law that many internal combustion engines
tobeequippedwithasparkarrestingscreen.
Ifyouoperateachainsawinastate orlocale
wheresuchregulations exist,youarelegally
responsible for maintaining the operating
condition of these parts. Failure to do so is
aviolationof t helaw. Refer tothe SER VICE
section for maintenance of the spark
arresting screen.
FailuretofollowallSafetyRulesandPrecau-
tionscanresult 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 byUnder-
writer’ s Laboratories, Inc. in accordance with:
ANSI B175.1--2000 American National
Standards for Gasoline--Powered Chain
Saws -- Safety Requirements
CSA Z 62.1--1995 Chain Saws -- Occupa-
tional Health and Safety
CSA Z62.3--1996 Chain Saw Kickback Oc-
cupational Health and Safety
ASSEMBLY
Protective gloves (not provided) should be
worn during assembly.
ATTACHING THE BUMPER
SPIKE
(If not already attached)
The bumper spike may be used as a pivot
when making a cut.
1. Loosenandremovebarknobcompletely
by lifting lever a nd turningcounterclock-
wise.
2. Removeclutchcover.
3. Attach the bumper spike w ith the two
screws as illustrated.
ATTACHINGTHEBAR&CHAIN(Ifnot
already attached)
WARNING: Ifreceivedassembled,
repeat allsteps to ensure your saw is prop-
erlyassembledandallfasteners a resecure.
Always wear gloves when handling the
chain. The chain is sharp and can cut you
even when it is not moving!
1. Loosenandremovebarknobcompletely
by lifting lever a nd turningcounterclock-
wise.
LOOSEN
2. Removeclutchcover.Removetheplas-
tic shipping spacer (if present).
3. Slide guide bar on bar bolts until guide
bar stops against clutch drum sprocket.