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16

FUELING THE UNIT

1. Untwist and remove the fuel cap. Rest the cap 
on a dustless place.
2. Put the fuel into the fuel tank to 80% of the 
full capacity.
3. Fasten the fuel cap securely and wipe up any 
fuel spillage around the unit.

 WARNING:

 

Select bare ground for fueling.   

Move at least 10 feet (3 meters) away from the 
fueling point before starting the engine. Stop 
the engine before refueling the unit. At that 
time, be sure to sufficiently agitate the mixed 
gasoline in the container.

FOR YOUR ENGINE LIFE, AVOID:

1. FUEL WITH NO OIL (RAW GASOLINE) It will 
cause severe damage to the internal engine 
parts very quickly.
2. GASOHOL – it can cause deterioration of rub-
ber and/or plastic parts and disruption of engine 
lubrication.
3. OIL FOR 4-CYCLE ENGINE USE - It can cause 
spark plug fouling, exhaust port blocking, or 
piston ring sticking.
4. Mixed fuels which have been left unused for 
a period of one month or more may clog the 
carburetor and result in the engine failing to 
operate properly.

RECOMMENDATIONS
1. In the case of storing the product for a long 
period of time, clean the fuel tank after render-
ing it empty. Next, activate the engine and emp-
ty the carburetor of the composite fuel.
2. In the case of scrapping the used mixed oil 
container, scrap it only at an authorized reposi-
tory site.
NOTE: As for details of quality assurance, read 
the description in the section Limited Warranty 
carefully.  Moreover, normal wear and change 
in product with no functional influence are not 
covered by the warranty. 
Also, be careful that, if the usage in the instruc-
tion manual is not observed as to the mixed 
gasoline, etc., described therein, it may not be 
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 pump.

OPERATION INSTRUCTIONS

 WARNING: It is very dangerous to run a 

chain saw that mounts broken parts or lacks any 
parts. Before starting engine, make sure that all 
the parts including bar and chain are installed 
properly.

STARTING THE ENGINE
1. Fill fuel and chain oil tanks respectively, and 
tighten the caps securely.
2. Set the switch to “l” position.
3. Pull out the choke knob to the second stage 
position. The choke will close and the throttle 
lever will then be set in the starting position.

NOTE: When restarting immediately after stop-
ping the engine, set the Choke knob in the first-
stage position (choke open and throttle lever in 
the starting position).
4. While holding the saw unit securely on the 
ground, pull the starter rope vigorously.

 WARNING:

 

Do not start the engine while 

the chain saw hangs in one hand. The saw chain 
may touch your body. This is very dangerous.
5. When engine has ignited, first push in the 
choke knob to the first-stage position and then 
pull the starter again to start the engine.
6. Allow the engine to warm up with the throt-
tle lever pulled slightly.

CHECKING THE OIL SUPPLY. 

Make sure to set 

up the bar and the chain when checking the 
oil supply. If not, the rotating parts may be ex-
posed. It is very dangerous.

After starting the en-
gine, run the chain at 
medium speed and see 
if chain oil is scattered 
off as shown in the pic-
ture.

ADJUSTING THE CARBURETOR

The carburetor on your unit has been factory 
adjusted, but may require fine tuning due to a 
change in operating conditions.
Before adjusting the carburetor make sure that 
the provided air/fuel filters are clean and fresh 
and the fuel properly mixed. 

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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