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12

GENERAL SAFETY RULES

Your CHAIN SAW has many features that will 
make your job faster and easier. Safety, perfor-
mance and reliability have been given top prior-
ity in the design of this tool, qualities to make 
easy to maintain and to operate.

 WARNING: carefully read the entire manual 

before attempting to use this tool. Make sure 
to pay special attention to the safety rules and 
indications, plus all the warnings and cautions 
of this manual.

GENERAL RULES FOR THE USE OF THE CHAIN 
SAW

1. Never operate a chain saw when you are fa-
tigued. Ill, or upset, or under the influence of 
medication that may make you drowsy, or if you 
are under the influence of alcohol or drugs
2.  Use safety footwear, snug fitting clothing 
and eye, hearing and head protection devices.
3.  Always use caution when handling fuel. Wipe 
up all spills and then move the chain saw at least 
3 m from the fueling point before starting the 
engine.
a) Eliminate all sources of sparks or flame (i.e. 
smoking, open flames, or work that can cause 
sparks) in the areas where fuel is mixed, poured, 
or stored.
b) Do not smoke while handling fuel or while 
operating the chain saw.
4. Do not allow other persons to be near the 
chain saw when starting or cutting. Keep by-
standers and animals out of the work area. Chil-
dren, pets and bystanders should be a minimum 
of 10 m away when you start or operate the 
chain saw.
5. Never start cutting until you have a clear work 
area, secure footing, and planned retreat path 
from the falling tree.
6. Always hold the chain saw firmly with both 
hands when the engine is running. Use a firm 
grip with thumb and fingers encircling the chain 
saw handles.
7. Keep all parts of your body away from the 
saw chain when the engine is running.
8. Before you start the engine, make sure the 
saw chain is not contacting anything.
9. Always carry the chain saw with the engine 
stopped, the guide bar and saw chain to the 
rear, and the muffler away from your body.
10. Always inspect the chain saw before each 
use for worn, loose, or damaged parts,  Never 
operate a chain saw that is damaged, improper-
ly adjusted, or is not completely and securely as-

sembled. Be sure that the saw chain stops mov-
ing when the throttle control trigger is released.
11. All chain saw service, other than the items 
listed in the Owner’s Manual, should be  per-
formed by competent chain saw service person-
nel.
12.  Always shut off the engine before setting 
it down.
13. Use extreme caution when cutting small size 
brush and sampling because slender material 
may catch the saw chain and be whipped to-
ward you or pull you off balance.
14. When cutting a limb that is under tension, 
be alert for springback so that you will not be 
stuck when the tension in the wood fibers is re-
leased.
15. Never cut in high wind, bad weather, when 
visibility is poor or in very high or low tempera-
tures. Always check the tree for dead branches 
which could fall during the falling operation.
16. Keep the handles dry, clean and free of oil 
or fuel mixture.
17. Operate the chain saw only in well ventilat-
ed areas. Never start or run the engine inside a 
closed room or building. Exhaust fumes contain 
dangerous carbon monoxide.
18. Do not operate the chain saw in a free unless 
specially trained to do so.
19. Guard against kickback. Kickback is the 
upward motion of the guide bar which occurs 
when saw chain at the nose of the guide bar 
contacts an object. Kickback can lead to danger-
ous loss of control of the chain saw.
20. When transporting your chain saw, make 
sure the appropriate guide bar scabbard is in 
place.

OPERATING PRECAUTIONS

• The gases emanated from the exhaust contain 
carbon monoxide, a toxic gas without odor or 
color. Inhalation of carbon monoxide can cause 
serious brain damage or death. Never start or 
operate the engine in a closed or poorly venti-
lated area.
• To use this product, wear a helmet, protective 
glasses or mask, thick work gloves, safety boots 
with non-slip soles, ear protection.
• It is recommended that you have: tools and 
files, fuel and oil stored properly, items to mark 
your work area (ropes, signals, etc.), whistle (for 
collaboration or in case of emergency), ax or 
saw (to eliminate obstacles).
• Maintain a firm and well-balanced posture. Do 
not try to reach objects beyond your reach. In 
trying to do so, you may lose balance or expose 

Summary of Contents for MS818

Page 1: ...tenidas en este manual antes de operar esta herramienta WARNING Read understand and follow the safety rules in this manual before operating this tool MS818 MS820 MS818A MOTOSIERRAAGASOLINA GASOLINE CH...

Page 2: ...NTENIDO CONTENT S MBOLOS SYMBOLS PELIGRO ADVERTENCIA PRECAUCI N indica un riesgo personal o la posibilidad de un da o Utilice protecci n ocular y equipo de seguridad recomendado para operar esta m qui...

Page 3: ...u aduras de la mo tosierra 7 Mantenga todas las partes de su cuerpo aleja das de la motosierra cuando el motor este fun cionando 8 Antes de que encienda el motor cerci rese de que la motosierra no est...

Page 4: ...ina los s mbolos est n grabados en relieve en las caras principales de su m quina PRECAUCIONES DE OPERACI N Los gases emanados del escape contienen mon xido de carbono un gas t xico sin olor o color L...

Page 5: ...n Parte trasera izquierda de la m quina Freno de la cadena Hacia adelante La cadena frena Hacia atr s La cadena se suelta Muestra las direcciones en las que el freno de cadena se libera hacia atr s y...

Page 6: ...ATURA M XIMA 320 C VELOCIDAD DE MOTOR 11 000 r min PESO 6 2 kg 13 67 lb MS820 POTENCIA 3 HP CILINDRADA 52 cc LONGITUD DE ESPADA 20 508 mm CAPACIDAD DE TANQUE 520 ml MEZCLA DE GASOLINA Y ACEITE 25 1 TE...

Page 7: ...lo menos un minuto Mientras que algunos aceites son dif ciles de agitar depen diendo de los ingredientes del aceite suficiente agitaci n es necesaria para que el motor pro longue su vida til Tenga cu...

Page 8: ...uedar expuestas y puede ser peligroso para el usuario Despu s de arrancar el motor haga que la sierra vaya a velocidad media y verifique si el aceite de la cadena sale de la manera como se muestra en...

Page 9: ...tente jalarla a la fuerza en lugar de esto use una cu a o palanca para liberarla GUARDA CONTRA EL CONTRAGOLPE Esta sierra est equipada con un freno de cade na que detendr la cadena en caso de presenta...

Page 10: ...mitades del filtro presione el aro hasta o r un click NOTA al instalar el filtro principal aseg rese que las muescas en el borde del filtro encajan correctamente con las de la cubierta del cilindro 2...

Page 11: ...mpletamen te detenido Use una lima redonda del tama o correcto para la cadena Tipo de Cadena 91VG Tama o de la lima 5 32 4 0 mm Coloque la lima en la cuchilla y empuje con fir meza Mantenga la lima en...

Page 12: ...saw that is damaged improper ly adjusted or is not completely and securely as sembled Be sure that the saw chain stops mov ing when the throttle control trigger is released 11 All chain saw service o...

Page 13: ...o not rely exclusively on the safety devices built into your saw As a chain saw user you should take several steps to keep cutting jobs free from accident of injury a With a basic understanding of kic...

Page 14: ...e mount ing point of the guide bar and acting as a pivot when it comes in contact with a tree or trunk 7 Guide bar and chain The part that supports and guides the chain of the chainsaw Chain that is u...

Page 15: ...ly derail or cause rapid wear of itself and the guide bar FUEL AND REFUELING WARNING Gasoline is very flammable Avoid smoking or bringing any flame or sparks near fuel Make sure to stop the engine and...

Page 16: ...covered by the warranty either CHAIN OIL Use motor oil SAE 10W 30 all year round or SAE 30 40 in summer and SAE 20 in winter NOTE Do not use wasted or regenerate oil that can cause damage to the oil...

Page 17: ...switch to the O STOP position OPERATION ATTENTION Before proceeding to your job read the sec tion For Safe Operation It is recommended to first practice sawing easy logs This also helps you get accust...

Page 18: ...TENANCE AFTER EACH USE 1 Air filter Dust on the cleaner surface can be removed by tapping a corner of the clean er against a hard surface To clean dirt in the meshes split the cleaner into halves and...

Page 19: ...ped Use a round file of proper size for the chain Chain type 91 VG File size 5 32 4 0 mm Place the file on the cutter and push straight forward Keep the file position as illustrated After each cutter...

Page 20: ...or unqualified person URREA HERRAMIENTAS PROFESIONALES S A DE C V garantiza este producto por el termino de 1 a o en sus piezas componentes y mano de obra contra cualquier defecto de fabricaci n a pa...

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