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Stihl MS 261-MS 261 C Instruction Manual - Page 10

Chain Saw, manual on Kickback and Other Reactive Forces

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English - Wear sound barriers (ear plugs or ear muffs). - Regular operators should have their hearing checked periodically. - Be particularly alert and cautious when using hearing protection. Your ability to hear shouts, alarms or other audible warnings is restricted. ￭ Good footing is very important. To help maintain a secure footing and reduce the risk of injury while working: - Wear sturdy boots with non-slip soles. Steel-toed safety boots are recommended. Do not wear sandals, flipflops, open-toed or similar footwear. ￭ To improve your grip and help protect your hands: - Always wear heavy-duty non-slip work gloves made of leather or another wearresistant material when handling the chain saw or its chain. 5.4 Chain Saw WARNING ￭ The saw chain has many sharp cutters. Contacting the cutters may result in serious laceration injuries, even if the chain is not moving. To reduce the risk of such injuries: - Keep hands, feet and other parts of your body away from the chain. - Wear heavy-duty work gloves when handling the chain saw or its chain. - Never touch a moving chain with your hand or any other part of your body. - Cover the guide bar with a chain scabbard before transporting or storing the chain saw to reduce the risk of injury from inadvertent contact. 5 IMPORTANT SAFETY INSTRUCTIONS ￭ Reactive forces, including kickback, can be dangerous. - Pay special attention to the section of this instruction manual on "Kickback and Other Reactive Forces," @ 6. ￭ To reduce the risk of personal injury to the operator and bystanders: - Always release the throttle trigger, engage the chain brake and shut off the engine before assembling, transporting, adjusting, inspecting, cleaning, servicing, maintaining or storing the chain saw. - Shut off the chain saw anytime it is not in use. ￭ To reduce the risk of fire and explosion: - Only use the spark plug specified in this instruction manual and make sure it and the ignition lead are clean and in good condition. - Always press the spark plug boot snugly onto the spark plug terminal of the proper size. - Never test the ignition system with the spark plug boot removed from the spark plug or with a removed spark plug. ￭ Although certain unauthorized attachments may fit your STIHL chain saw, their use may be extremely dangerous. Only attachments supplied by STIHL or expressly approved by STIHL for use with this specific model are recommended. - Use only attachments supplied or expressly approved by STIHL. - Never modify this chain saw in any way. - Never attempt to modify or override the chain saw's controls or safety devices in any way. - Never use a chain saw that has been modified or altered from its original design. 8 0458-573-8621-D

Section	Page
1 Introduction	5
2 Guide to Using this Manual	5
2.1 Signal Words	5
2.2 Symbols in Text	5
3 Main Parts	6
3.1 Chain Saw	6
4 Safety Symbols on the Product	7
4.1 Chain Saw	7
5 IMPORTANT SAFETY INSTRUCTIONS	8
5.1 Intended Use	8
5.2 Operator	8
5.3 Personal Protective Equipment	9
5.4 Chain Saw	10
5.5 Fueling Instructions	11
5.6 Using the Chain Saw	15
5.6.1 Before Operation	15
5.6.2 Starting	16
5.6.3 Holding and Controlling the Chain Saw	16
5.6.4 Working Conditions	18
5.6.5 Operating Instructions	19
6 Kickback and Other Reactive Forces	21
6.1 Reactive Forces	21
6.2 Kickback	22
6.2.1 Kickback	22
6.2.2 Chain Saw Kickback Standards	22
6.2.3 Devices for Reducing the Risk of Kickback Injury	23
6.2.4 To Avoid Kickback	26
6.3 Pull-in	26
6.4 Pushback	27
7 Proper Techniques for Basic Bucking, Limbing, Pruning and Felling	27
7.1 Bucking	27
7.2 Cutting Logs Under Tension	28
7.3 Limbing	28
7.4 Pruning	29
7.5 Felling	30
7.5.1 Felling Conditions	30
7.5.2 Escape Path	31
7.5.3 Conventional Notch	31
7.5.4 Open-faced Notch	32
7.5.5 Sapwood Cuts	32
7.5.6 Felling Back Cut	32
7.5.7 Fan Cut	33
7.5.8 Sectioning Method	33
7.5.9 Plunge-cut Method	34
8 Maintenance, Repair and Storage	35
8.1 Warnings and Instructions	35
9 Before Starting Work	35
9.1 Preparing the Chain Saw for Operation	35
10 Assembling the Chain Saw	36
10.1 Cutting Attachment	36
10.2 Mounting and Removing the Guide Bar and Chain	36
10.2.1 Mounting the Guide Bar and Chain	36
10.2.2 Removing the Guide Bar and Chain	37
10.3 Tensioning the Chain	37
11 Lubricating the Saw Chain and Guide Bar	38
11.1 Bar and Chain Lubricant	38
11.2 Filling the Chain Oil Tank	38
11.3 Adjusting the Flow of Bar and Chain Oil	39
12 The Chain Brake	40
12.1 Engaging the Chain Brake	40
12.2 Disengaging the Chain Brake	40
12.3 Maintaining the Chain Brake	41
13 Mixing Fuel and Refueling the Chain Saw	41
13.1 Mixing Fuel	41
13.2 Refueling the Chain Saw	42
14 Starting the Engine	45
14.1 Holding the Chain Saw	45
14.2 Starting Procedure	45
14.3 Pre-Starting Procedure	45
14.4 Starting the Engine	46
15 Shutting Off the Engine	47
15.1 Shutting Off the Engine	47
16 Checking the Chain Saw	47
16.1 Checking the Operation of the Chain Brake	47
16.2 Testing the Controls	48
16.3 Testing Chain Lubrication	48
17 Adjusting the Carburetor	49
17.1 Winter Operation	49
17.2 Summer Operation	49
17.3 Adjusting the Carburetor for Operation at High Altitude	50
17.4 Adjusting the Carburetor for Operation at Temperatures Below 14 °F (- 10 °C)	50
17.5 Standard Carburetor Setting	51
18 After Finishing Work	51
18.1 Preparing for Transportation or Storage	51
19 Transporting	52
19.1 Transporting the Chain Saw	52
20 Storing	52
20.1 Storing the Chain Saw	52
21 Cleaning	53
21.1 Cleaning the Chain Saw	53
21.2 Cleaning the Guide Bar and Saw Chain	53
21.3 Cleaning the Air Filter	53
21.4 Cleaning the Spark Plug	55
21.5 Cleaning the Spark Arresting Screen	56
22 Inspection and Maintenance	57
22.1 Inspection and Maintenance Chart	57
22.2 Inspecting and Maintaining the Chain Saw	58
22.3 Inspecting and Maintaining the Chain Sprocket	58
22.4 Inspecting and Maintaining the Guide Bar	58
22.5 Inspecting, Maintaining and Sharpening the Saw Chain	59
23 Troubleshooting Guide	63
23.1 Chain saw	63
23.2 Adjusting Idle Speed	64
23.3 Clearing the Combustion Chamber	64
24 Specifications	65
24.1 EPA	65
24.2 STIHL MS 261	65
24.3 Chain Sprockets	65
24.4 Minimum Groove Depth of Guide Bars	66
24.5 Depth Gauge Setting	66
24.6 Symbols on the Chain Saw	66
24.7 Engineering Improvements	66
25 Combinations of Guide Bars and Saw Chains	67
25.1 STIHL MS 261	67
26 Replacement Parts and Equipment	68
26.1 Genuine STIHL Replacement Parts	68
27 Disposal	68
27.1 Disposal of the Power Tool	68
28 Limited Warranty	68
28.1 STIHL Incorporated Limited Warranty Policy	68
29 Emission Control Warranty	68
29.1 STIHL Incorporated Federal Emission Control Warranty Statement	68
30 Trademarks	70
30.1 Registered Trademarks	70
30.2 Common Law Trademarks	71
31 Addresses	71
31.1 STIHL Incorporated	71
1 Introducción	74
2 Acerca de este manual de instrucciones	74
2.1 Palabras identificadoras	74
2.2 Símbolos en el texto	74
3 Componentes importantes	75
3.1 Motosierra	75
4 Símbolos de seguridad en el producto	76
4.1 Motosierra	76
5 INSTRUCCIONES IMPORTANTES DE SEGURIDAD	77
5.1 Uso previsto	77
5.2 Operador	77
5.3 Equipos de protección personal	78
5.4 Motosierra	79
5.5 Instrucciones para el llenado de combustible	80
5.6 Uso de la motosierra	85
5.6.1 Antes de usar	85
5.6.2 Arranque	86
5.6.3 Sujeción y control de la motosierra	87
5.6.4 Condiciones de trabajo	88
5.6.5 Instrucciones de manejo	90
6 Contragolpe y otras fuerzas reactivas	92
6.1 Fuerzas reactivas	92
6.2 Contragolpe	93
6.2.1 Contragolpe	93
6.2.2 Normas para el contragolpe de las motosierras	93
6.2.3 Dispositivos para reducir el riesgo de lesiones por contragolpe	94
6.2.4 Para evitar el contragolpe	97
6.3 Tirones	98
6.4 Rechazo	98
7 Técnicas adecuadas para el tronzado, el desramado, la poda y la tala básicos	99
7.1 Tronzado	99
7.2 Corte de troncos bajo tensión	100
7.3 Desrame	100
7.4 Poda	101
7.5 Tala	102
7.5.1 Condiciones de tala	102
7.5.2 Ruta de escape	103
7.5.3 Entalla convencional	103
7.5.4 Entalla de cara libre	104
7.5.5 Cortes de albura	104
7.5.6 Corte trasero de tala	104
7.5.7 Corte en abanico	105
7.5.8 Método de corte por secciones	105
7.5.9 Corte por penetración	106
8 Mantenimiento, reparación y almacenamiento	107
8.1 Advertencias e instrucciones	107
9 Antes de empezar a trabajar	108
9.1 Preparación de la motosierra para el funcionamiento:	108
10 Armado de la motosierra	108
10.1 Accesorio de corte	108
10.2 Montaje y retiro de la espada y la cadena de aserrado	108
10.2.1 Montaje de la espada y la cadena	108
10.2.2 Retiro de la espada y la cadena	110
10.3 Tensado de la cadena	110
11 Lubricación de la cadena de aserrado y de la espada	111
11.1 Lubricante de espadas y cadenas	111
11.2 Llenado del depósito de aceite de la cadena	111
11.3 Ajuste del flujo del aceite de la espada y la cadena	112
12 El freno de cadena	113
12.1 Accionamiento del freno de la cadena	113
12.2 Cómo soltar el freno de la cadena	113
12.3 Mantenimiento del freno de la cadena	114
13 Mezcla del combustible y carga de combustible en la motosierra	114
13.1 Mezcla del combustible	114
13.2 Carga de combustible en la motosierra	116
14 Arranque del motor	119
14.1 Sujeción de la motosierra	119
14.2 Procedimiento de arranque	119
14.3 Procedimiento antes del arranque	119
14.4 Arranque del motor	120
15 Apagado del motor	121
15.1 Apagado del motor	121
16 Revisión de la motosierra	121
16.1 Control del funcionamiento del freno de la cadena	121
16.2 Prueba de los controles	122
16.3 Prueba de la lubricación de la cadena	122
17 Ajuste del carburador	123
17.1 Manejo durante el invierno	123
17.2 Manejo durante el verano	123
17.3 Corrección del ajuste del carburador para uso a alturas grandes	124
17.4 Corrección del carburador para trabajar a temperaturas menores que -10°C (14°F)	124
17.5 Ajuste estándar del carburador	125
18 Después de completar el trabajo	125
18.1 Preparación para el transporte o el almacenamiento	125
19 Transporte	126
19.1 Transporte de la motosierra	126
20 Almacenamiento	126
20.1 Almacenamiento de la motosierra	126
21 Limpieza	127
21.1 Limpieza de la motosierra	127
21.2 Limpieza de la espada y la cadena de aserrado	127
21.3 Limpieza del filtro de aire	127
21.4 Limpieza de la bujía	129
21.5 Limpieza del chispero	130
22 Inspección y mantenimiento	131
22.1 Tabla de inspección y mantenimiento	131
22.2 Inspección y mantenimiento de la motosierra	132
22.3 Revisión y mantenimiento del piñón de cadena	132
22.4 Inspección y mantenimiento de la espada	132
22.5 Inspección, mantenimiento y afilado de la cadena de aserrado	133
23 Guía de solución de problemas	137
23.1 Motosierra	137
23.2 Ajuste de marcha en vacío	139
23.3 Despejado de la cámara de combustión	139
24 Especificaciones	140
24.1 E.P.A.	140
24.2 STIHL MS 261	140
24.3 Piñones de cadena	141
24.4 Profundidad de ranura mínima para las espadas	141
24.5 Ajuste de calibrador de profundidad	141
24.6 Símbolos en la motosierra	141
24.7 Mejoramientos técnicos	141
25 Combinaciones de espadas y cadenas de aserrado	142
25.1 STIHL MS 261	142
26 Piezas y equipos de repuesto	143
26.1 Piezas de repuesto originales de STIHL	143
27 Eliminación	143
27.1 Desecho de la herramienta motorizada	143
28 Garantía limitada	143
28.1 Política de garantía limitada de STIHL Incorporated	143
29 Garantía del sistema de control de emisiones	143
29.1 Declaración de garantía de STIHL Incorporated sobre sistemas de control de emisiones según normas Federales	143
30 Marcas comerciales	146
30.1 Marcas comerciales registradas	146
30.2 Marcas comerciales por ley común	146
31 Direcciones	146

Match case Limit results 1 per page

0458-573-8621-D

English

5 IMPORTANT SAFETY INSTRUCTIONS

￭

Good footing is very important. To help maintain a secure

footing and reduce the risk of injury while working:

￭

To improve your grip and help protect your hands:

5.4

Chain Saw

WARNING

￭

The saw chain has many sharp cutters. Contacting the

cutters may result in serious laceration injuries, even if the

chain is not moving. To reduce the risk of such injuries:

–

Keep hands, feet and other parts of your body away

from the chain.

–

Wear heavy-duty work gloves when handling the

chain saw or its chain.

–

Never touch a moving chain with your hand or any

other part of your body.

–

Cover the guide bar with a chain scabbard before

transporting or storing the chain saw to reduce the

risk of injury from inadvertent contact.

￭

Reactive forces, including kickback, can be dangerous.

–

Pay special attention to the section of this instruction

manual on "Kickback and Other Reactive Forces,"

￭

To reduce the risk of personal injury to the operator and

bystanders:

–

Always release the throttle trigger, engage the chain

brake and shut off the engine before assembling,

transporting, adjusting, inspecting, cleaning,

servicing, maintaining or storing the chain saw.

–

Shut off the chain saw anytime it is not in use.

￭

To reduce the risk of fire and explosion:

–

Only use the spark plug specified in this instruction

manual and make sure it and the ignition lead are

clean and in good condition.

–

Always press the spark plug boot snugly onto the

spark plug terminal of the proper size.

–

Never test the ignition system with the spark plug

boot removed from the spark plug or with a removed

spark plug.

￭

Although certain unauthorized attachments may fit your

STIHL chain saw, their use may be extremely dangerous.

Only attachments supplied by STIHL or expressly

approved by STIHL for use with this specific model are

recommended.

–

Use only attachments supplied or expressly

approved by STIHL.

–

Never modify this chain saw in any way.

–

Never attempt to modify or override the chain saw's

controls or safety devices in any way.

–

Never use a chain saw that has been modified or

altered from its original design.

–

Wear sound barriers (ear plugs or ear

muffs).

–

Regular operators should have their

hearing checked periodically.

–

Be particularly alert and cautious when

using hearing protection. Your ability to

hear shouts, alarms or other audible

warnings is restricted.

–

Wear sturdy boots with non-slip soles.

Steel-toed safety boots are

recommended. Do not wear sandals, flip-

flops, open-toed or similar footwear.

–

Always wear heavy-duty non-slip work

gloves made of leather or another wear-

resistant material when handling the

chain saw or its chain.