Product Manual

8
AF 0911 - F/N 547361
OREGON® PowerNow™
CHAINSAW MODEL CS250
SAFETY RULES
•Achainsawisintendedfortwo-handed
use(Fig.2).Seriousinjurytothe
operator,helpers,and/orbystanders
canresultfromone-handedoperation.
Fig. 2
•Whenbucking,securetheworkpiece
priortocutting.Whenfellingorpruning,
identifyandsecurehazardousbranches.
•Aggressiveorabusivecuttingormisuse
ofthechainsawcancausepremature
bar,chain,and/orsprocketwear,as
wellasbrokenchainorbar,leadingto
kickback,chainthrowortheejectionof
material.
•Neverusetheguidebarasalever.A
bentguidebarcancausepremature
bar,chain,and/orsprocketwear,as
wellasbrokenchainorbar,leadingto
kickback,chainthrowortheejectionof
material.
•Useextremecautionwhencuttingsmall
brushandsaplingsbecauseslender
materialcancatchthesawchainandbe
whippedtowardyouorcancausethe
chaintobethrownfromtheguidebar.
•Cutonlyoneworkpieceatatime.
KICKBACK
WARNING: KICKBACK IS AN
EXTREMELY FAST, BACKWARD
AND/OR UPWARD MOTION OF THE
CHAINSAW OCCURRING WHEN THE
SAW CHAIN NEAR THE NOSE OR TOP
AREA OF THE GUIDE BAR CONTACTS
ANY OBJECT, OR WHEN THE WOOD
CLOSES IN AND PINCHES THE GUIDE
BAR.
•Allsawchaincankickback.
•Kickbackcanleadtodangerousloss
ofcontrolofthechainsawwhichcan
resultinseriouspersonalinjurytosaw
operatorortobystanders.
•Avoidcontactoftheupperquadrantof
theguidebarnosewithanyobject.
KICKBACK SAFETY DEVICES
ON THIS SAW
CHAIN BRAKE
Thechainsawcomesequippedwith
achainbrake,whichstopsboththe
motorandthemotionofthechain
whenkickbackoccurs(Fig.3).Thechain
brakecanbeactivatedbytheforward
motionofthehandguardasthesaw
rotatesbackwardduringkickback;itcan
alsobeactivatedbytheinertialforces
generatedduringrapidpushback.
Fig. 3