6

Computedkickback angle (CKA) Table

BAR
P/N Length CHAINP/N
MODEL
952044815 20″952051310 31_

CKA without chain brake

PP4620AVL
NOTE: Ifthis saw is to be used for commer-
cial logging, a chain brake is r equired and
shall not be removed or otherwise disabled
to comply with Federal OSHA Regulations
for Commercial Logging.
SAFETYNOTICE: Exposu re 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 c old
weather has been linked to blood vessel
damage in otherwise healthy people. If
symptoms occur such as numbness, pain,
loss of strength, change in skin color or texture,
orlos s of feeling in the fingers, hands , or joints,
discontinue the use of this tool and se ek
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 co ndition and the
condition of this tool.
SPECIALNOTICE: Yours aw is equipped
witha temperature limiting muffler and spark
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,O regon, and Washington require by
law that many internal combustion engines
tobe equipped with a spark arrestingscreen.
Ifyou operate a chain s aw in a state or locale
wheresuch regulations exist,you arelegally
responsible for maintaining the operating
condition of these parts. Failure to do so is
aviolation of the law. Refer to the SERVICE
section for maintenance of the spark
arresting screen.
Failureto follow all S afety Rules and Prec au-
tionscan res ult in serious injury. Ifs ituations
occur which are not cov ered in this manual,
use care and good judgement. If you need
assistance, contact your authorized serv ice
dealer or call 1-800--554--6723.
STANDARDS: Thissaw is listed by Under-
writer’s Laboratories, Inc., in accordanc ew ith:
ANSI B175.1--2000 American National
Standards for Gasoline--Powered Chain
Saws --Safety Requirements
CSA Z62.1--1995 Chain Saws -- Occupa-
tional Health and Safety
CSA Z62.3--1996Chain Saw Kickback Oc-
cupational Health and Safety
ASSEMBLY
Protective gloves (not provided) should be
worn during assembly.
ATTACHINGTHEBAR & CHAIN (If not
already attached)
WARNING: If rec eived assembled,
repeatall s teps to ensure your saw is prop-
erlyassembled and allfasteners are s ecure.
Always wear gloves when handling the
chain. The chain is sharp and can cut you
even when it is not moving!
1. Loosenandremov e the chain brak e nuts
andt he chain brake from the saw.
2. Remove the plastic shipping spacer (if
present).
ChainBrake
ChainBrake
Nuts
BarTool
Location of shipping spacer
3. Turn adjusting screw on bar counter-
clockwiseto mov e the tensioning rack as
faras itwill go toward t he front of the bar.
TensioningRack
Adjusting
Screw
4. Slidethebar behind clutchdrum until bar
stops against clutch drum sprocket.
Mount the bar
5. Prepare the chain by checking the proper
direction. Without following the illust ration it
iseas y to place the chain on the saw inthe
wrong direction. Use the illustration of the
chain to determine the proper direction.