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Stihl MS 261-MS 261 C Instruction Manual - Page 8

Important Safety Instructions, 5.1 Intended Use, 5.2 Operator, Important Safety, Instructions

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English 5 IMPORTANT SAFETY INSTRUCTIONS 5.1 Intended Use WARNING ￭ This chain saw is designed for cutting trees, branches and limbs. Use of the chain saw for operations different than intended could result in serious injury or death. - Cut wood only. For example, do not use chain saw for cutting metal, plastic or masonry. - Read and follow the operating and use instructions in this manual for approved applications and recommended working techniques. ￭ Observe all applicable federal, state and local safety regulations, standards and ordinances. - When using a chain saw for logging purposes, for instance, refer to the OSHA regulations for "logging operations" at 29 Code of Federal Regulations 1910.266. ￭ Improper use could result in personal injury or property damage, including damage to the chain saw. - Use the chain saw only as described in this manual. - 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. 5 IMPORTANT SAFETY INSTRUCTIONS 5.2 Operator WARNING ￭ Working with the chain saw can be strenuous. The operator must be in good physical condition and mental health. To reduce the risk of personal injury from fatigue and loss of control: - Check with your doctor before using the chain saw if you have any health condition that may be aggravated by strenuous work. - Do not operate the chain saw while under the influence of any substance (drug, alcohol or medication, etc.) that might impair vision, balance, dexterity or judgment. - Be alert. Do not operate the chain saw when you are tired. Take a break if you become tired. - Do not permit minors to use the chain saw. - Bystanders, especially children, and animals should not be allowed in the area where the chain saw is in use. ￭ Prolonged use of a chain saw (or other power tools) exposing the operator to vibration may produce white finger disease (Raynaud's phenomenon) or carpal tunnel syndrome. These conditions reduce the hand's ability to feel and regulate temperature. They produce numbness and burning sensations and may also cause nerve and circulation damage as well as tissue necrosis. ￭ All factors which contribute to white finger disease are not known. Cold weather, smoking and diseases or physical conditions that affect blood vessels and blood transport, as well as high vibration levels and long periods of exposure to vibration, are mentioned as factors in the development of white finger disease. 6 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

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0458-573-8621-D

English

5 IMPORTANT SAFETY INSTRUCTIONS

5.1

Intended Use

WARNING

￭

This chain saw is designed for cutting trees, branches and

limbs. Use of the chain saw for operations different than

intended could result in serious injury or death.

–

Cut wood only. For example, do not use chain saw

for cutting metal, plastic or masonry.

–

Read and follow the operating and use instructions

in this manual for approved applications and

recommended working techniques.

￭

Observe all applicable federal, state and local safety

regulations, standards and ordinances.

–

When using a chain saw for logging purposes, for

instance, refer to the OSHA regulations for "logging

operations" at 29 Code of Federal Regulations

1910.266.

￭

Improper use could result in personal injury or property

damage, including damage to the chain saw.

–

Use the chain saw only as described in this manual.

–

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.

5.2

Operator

WARNING

￭

Working with the chain saw can be strenuous. The

operator must be in good physical condition and mental

health. To reduce the risk of personal injury from fatigue

and loss of control:

–

Check with your doctor before using the chain saw if

you have any health condition that may be

aggravated by strenuous work.

–

Do not operate the chain saw while under the

influence of any substance (drug, alcohol or

medication, etc.) that might impair vision, balance,

dexterity or judgment.

–

Be alert. Do not operate the chain saw when you are

tired. Take a break if you become tired.

–

Do not permit minors to use the chain saw.

–

Bystanders, especially children, and animals should

not be allowed in the area where the chain saw is in

use.

￭

Prolonged use of a chain saw (or other power tools)

exposing the operator to vibration may produce white

finger disease (Raynaud's phenomenon) or carpal tunnel

syndrome. These conditions reduce the hand's ability to

feel and regulate temperature. They produce numbness

and burning sensations and may also cause nerve and

circulation damage as well as tissue necrosis.

￭

All factors which contribute to white finger disease are not

known. Cold weather, smoking and diseases or physical

conditions that affect blood vessels and blood transport,

as well as high vibration levels and long periods of

exposure to vibration, are mentioned as factors in the

development of white finger disease.

IMPORTANT SAFETY

INSTRUCTIONS