6
Thumb on underside of
handlebar
Elbow locked
S Keepagood, firmgripon thesaw withboth
hands when the engine is running and
don’tletgo. A firmgripwillhelp youreduce
kickback and maintain control of the saw.
Keep the fingers of your left hand encir-
cling and your left thumb under the front
handlebar.Keepyourright handcomplete-
lyaround therearhandlewhether yourare
right handedor left handed. Keep yourleft
arm straight with the elbow locked.
S Position your lefthand onthe fronthandle-
bar so it is in a straight line with your right
hand on the rear handle when making
bucking cuts. Never reverse right and left
hand positions for any type of cutting.
S Standwithyourweightevenly balancedon
both feet.
S Stand slightly to the left side of the saw to
keep your body from being in a direct line
with the cutting chain.
S Do not overreach. Y ou could be drawn or
thrown off balance and lose control of the
saw.
S Do not cutaboveshoulderheight. Itisdiffi-
cult to maintain control of saw above
shoulder height.
KICKBACK SAFETY FEATURES
WARNING:Thefollowing features are
included onyour saw tohelpreduce thehazard
of kickback; however,such features will not to-
tally eliminate this dangerous reaction. As a
chain saw user, do not rely only on safety de-
vices. Y ou must follow all safety precautions,
instructions, and maintenance in this manual to
help avoid kickback and other forces which
can result in serious injury.
S Reduced--Kickback Guide Bar , designed
wit hasmallradi u stipwhichred u ce sthesize
ofthekickback danger zoneonthe bartip. A
Reduced--Kickback Guide Bar has been
demonstrated to significantly reduce the
number and seriousness of kickbacks.
Small Radius Tip
Reduced Kickback
Symmetrical
Guide Bar
Symmetrical Guide Bar
Large Radius Tip
S Low--Kickback Chain, designed with a
contoured depth gauge and guard link
which deflect kickback force and allow
wood to gradually ride into the cutter .
Low-Kickback Chain
Contoured Depth Gauge
Elongated Guard Link
Deflects Kickback
Force And Allows
Wood To Gradually
Ride Into Cutter
S Handguard, designed to reduce the
chance of your left hand contacting the
chainif yourhandslipsoffthefronthandle-
bar.
S Position of front and rear handlebars, de-
signedwithdistancebetweenhandlesand
“in-line” with each other. The spread and
“in-line” position of the hands provided by
this design work together to give balance
and resistance in controlling the pivot of
the saw back toward the operator if kick-
back occurs.
WARNING: DO NOT RELY UPON
ANYOFTHEDEVICESBUILT INTOYOU R
SAW. YOU SHOULD USE THE SAW
PROPERLY AND CAREFULLY TO AVOID
KICKBACK. Reduced--kickback guide bars
and low--kickback saw chains reduce the
chance and magnitude of kickback and are
recommended. Y oursawhas alowkickback
chain and bar as original equipment. Re-
pairs on a chainbrakeshould bemade byan
authorized servicing dealer.Takeyour unitto
the place of purchase if purchased from a
servicingdealer,ortothenearestauthorized
master service dealer.
S Tip contact in some cases may cause a
lightning fast reverse REACTION, kicking
theguidebarupandbacktowardtheoper-
ator .
S Pinchingthesaw chainalongthetop ofthe
guide bar may push the guide bar rapidly
back toward the operator.
S Either of thesereactions maycause youto
lose control of the saw which could result
in serious injury. Do not rely exclusively
uponthesafetydevices builtintoyoursaw.
71
DATOS TÉCNICOS
Datos técnicos
Mac 20X
Motor
Cilindrada, cm
3
46
Carrera, mm 32
Régimen de ralentí, r.p.m. 3000
Potencia, kW 1,3/13000
Sistema de encendido
Bujía Torch R7
Distancia de electrodos, mm 0,5
Sistema de combustible y lubricación
Capacidad del depósito de gasolina, litros 0,38
Caudal de la bomba de aceite a 8.500 r.p.m., ml/min. 4 -- 8
Capacidad del depósito de aceite, litros 0,2
Tipo de bomba de aceite Automática
Peso
Motosierra sin espada ni cadena, con depósitos vacíos, kg 4,7
Emisiones de ruido
(ver la nota 1)
Nivel de potencia acústica medido dB(A) 110
Nivel de potencia acústica garantizado L
WA
dB(A) 113
Niveles acústicos
(vea la nota 2)
Nivel equivalente de presión acústica en el oído del usuario, dB(A) 96,3
Niveles de vibración equivalentes, a
hv,eq
(vea la nota 3)
Mango delantero, m/s
2
2,4
Mango trasero, m/s
2
3,6
Cadena/barra guía
Longitud de barra estándar, pulgadas/cm 16/40
Longitudes de barra recomendadas, pulgadas/cm 16/40
Longitud efectiva de corte, pulgadas/cm 15,5/39
Paso, pulgadas 0,375
Grosor del eslabón de arrastre, pulgadas/mm 0,050/1,3
Tipo de piñón de arrastre/número de dientes 6
V elocidad de la cadena a potencia máxima, m/s 19
Nota 1: Emisiones sonoras en el entorno medidas como potencia acústica (L
WA
) según la
directiva CE 2000/14/CE.
Nota 2: el nivel de presión sonora equivalente, según la norma ISO 22868, se calcula
como la suma de energÌa, ponderada en el tiempo, de los niveles de presión sonora en
diferentes condiciones de trabajo. La dispersión estadÌstica habitual del nivel de presión
sonora equivalente es la desviación tÌpica de 1 dB(A).
Nota 3: el nivel de vibración equivalente, según la norma ISO 22867, se calcula como la
suma de energÌa, ponderada en el tiempo, de los niveles de vibración en diferentes condi-
ciones de trabajo. Los datos referidos del nivel de vibración equivalente poseen una disper-
sión estadÌstica habitual (desviación tÌpica) de 1 m/s
2
.
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