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Starting, Holding and Controlling the Chain Saw

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English - Read and follow the instructions on start‐ ing the chain saw, 14. 5.6.2 Starting WARNING ■ To reduce the risk of burns and other personal injury from escaping gas vapor and fumes: - Move at least 10 ft. (3 m) from the fueling spot before starting the engine. - Start your chain saw only outdoors. ■ To reduce the risk of injury from chain contact and/or reactive forces: - Engage the chain brake before starting the chain saw. ■ To reduce the risk of serious or fatal injuries to the operator or bystanders from loss of con‐ trol: - Start the chain saw only as described in the "Starting" chapter in this manual, 14. - Do not drop start. Drop starting means pushing the chain saw away from the operator, or allowing it to drop toward the ground, while pulling on the starter grip. This method is very dangerous because you may lose control of the chain saw. - When you pull the starter grip, do not wrap the starter rope around your hand. - Do not let the grip snap back. Guide the starter rope to rewind it properly. - Be sure that the guide bar and chain are clear of you and all other obstructions and objects, including the ground. Never attempt to start the chain saw when the guide bar is in a cut or kerf. - Always engage the chain brake before starting. When the engine is started, the engine speed with the starting throttle lock engaged will be fast enough for the clutch to engage the sprocket and, if the chain brake is not activated, turn the chain. - Once the engine has started, immediately blip the throttle trigger, which should release the Master Control Lever to the run position and allow the engine to slow down to idle. ■ Accelerating the engine while the chain brake is engaged or the chain is otherwise blocked (i.e., not able to turn) increases the load and will cause the clutch to slip continuously. This may occur if the throttle is depressed for more than a few seconds when the chain is pinched in the cut or the chain brake is engaged. To reduce the risk of overheating and damage to 5 IMPORTANT SAFETY INSTRUCTIONS important components (e.g., clutch, polymer housing components): - Always disengage chain brake before accelerating engine and before starting cutting work. The only exception to this rule is when you check operation of the chain brake. 5.6.3 Holding and Controlling the Chain Saw WARNING ■ To maintain a firm grip and properly control your chain saw: - Keep the handles clean and dry at all times. Keep them free of moisture, pitch, oil, grease and resin. ■ To reduce the risk of serious or fatal injuries to the operator or bystanders from loss of con‐ trol: - Avoid contacting any object with the upper quadrant of the tip of the guide bar. It may cause kickback to occur. - Always hold the chain saw firmly with both hands when you are working. - Place your left hand on the front handle and your right hand on the rear handle (see illustration). Left-handers must follow these instructions too. - Wrap your fingers tightly around the han‐ dles, keeping the handles cradled between your thumb and forefinger. - Position the chain saw in such a way that all parts of your body are clear of the cut‐ ting attachment whenever the engine is running. Stand to the left of the cut while bucking, outside of the cutting plane (see illustration). - Read and follow all warnings and instruc‐ tions in the chapter Kickback and Other Reactive Forces, 6. 0000084055_002 10 0458-200-8621-A

Section	Page
STIHL MS 162, 172	1
1 Introduction	2
2 Guide to Using this Manual	2
2.1 Signal Words	2
2.2 Symbols in Text	2
3 Main Parts	3
3.1 Chain Saw	3
3.2 Optional Features	4
4 Safety Symbols on the Product	4
4.1 Chain Saw	4
5 IMPORTANT SAFETY INSTRUCTIONS	4
5.1 Intended Use	4
5.2 Operator	4
5.3 Personal Protective Equipment	5
5.4 Chain Saw	6
5.5 Fueling Instructions	7
5.6 Using the Chain Saw	9
6 Kickback and Other Reactive Forces	14
6.1 Reactive Forces	14
6.2 Kickback	14
6.3 Pull-in	18
6.4 Pushback	18
7 Proper Techniques for Basic Bucking, Limbing, Pruning and Felling	18
7.1 Bucking	18
7.2 Cutting Logs Under Tension	19
7.3 Limbing	20
7.4 Pruning	20
7.5 Felling	21
8 Maintenance, Repair and Storage	24
8.1 Warnings and Instructions	24
9 Before Starting Work	25
9.1 Preparing the Chain Saw for Operation	25
10 Assembling the Chain Saw	25
10.1 Cutting Attachment	25
10.2 Mounting and Removing the Guide Bar and Chain	25
10.3 Tensioning the Saw Chain	28
11 Lubricating the Saw Chain and Guide Bar	29
11.1 Bar and Chain Lubricant	29
11.2 Filling the Chain Oil Tank	29
12 The Chain Brake	30
12.1 Engaging the Chain Brake	30
12.2 Disengaging the Chain Brake	30
12.3 Maintaining the Chain Brake	30
13 Mixing Fuel and Refueling the Chain Saw	31
13.1 Mixing Fuel	31
13.2 Refueling the Chain Saw	32
14 Starting the Engine	33
14.1 Holding the Chain Saw	33
14.2 Starting Procedure	33
14.3 Pre-Starting Procedure	33
14.4 Starting the Engine	34
15 Shutting Off the Engine	34
15.1 Shutting Off the Engine	34
16 Checking the Chain Saw	35
16.1 Checking the Operation of the Chain Brake	35
16.2 Testing the Controls	35
16.3 Testing Chain Lubrication	35
17 After Finishing Work	36
17.1 Preparing for Transportation or Storage	36
18 Transporting	36
18.1 Transporting the Chain Saw	36
19 Storing	36
19.1 Storing the Chain Saw	36
20 Cleaning	37
20.1 Cleaning the Chain Saw	37
20.2 Cleaning the Guide Bar and Saw Chain	37
20.3 Cleaning the Air Filter	37
20.4 Cleaning the Spark Plug	38
21 Inspection and Maintenance	39
21.1 Inspection and Maintenance Chart	39
21.2 Inspecting and Maintaining the Chain Saw	40
21.3 Inspecting and Maintaining the Chain Sprocket	40
21.4 Inspecting and Maintaining the Guide Bar	40
21.5 Inspecting, Maintaining and Sharpening the Saw Chain	41
22 Troubleshooting Guide	43
22.1 Chain saw	43
22.2 Adjusting Idle Speed	44
22.3 Clearing the Combustion Chamber	44
23 Specifications	45
23.1 EPA	45
23.2 STIHL MS 162, 172	45
23.3 Chain Sprockets	45
23.4 Minimum Groove Depth of Guide Bars	45
23.5 Depth Gauge Setting	45
23.6 Symbols on the Chain Saw	45
23.7 Engineering Improvements	46
24 Combinations of Guide Bars and Saw Chains	46
24.1 STIHL MS 162, MS 172	46
25 Replacement Parts and Equipment	48
25.1 Genuine STIHL Replacement Parts	48
26 Disposal	48
26.1 Disposal of the Power Tool	48
27 Limited Warranty	48
27.1 STIHL Incorporated Limited Warranty Policy	48
28 Emission Control Warranty	48
28.1 STIHL Incorporated Federal Emission Control Warranty Statement	48
29 Trademarks	50
29.1 Registered Trademarks	50
29.2 Common Law Trademarks	50
30 Addresses	50
30.1 STIHL Incorporated	50
1 Introducción	51
2 Acerca de este manual de instrucciones	51
2.1 Palabras identificadoras	51
2.2 Símbolos en el texto	51
3 Componentes importantes	52
3.1 Motosierra	52
3.2 Características opcionales	53
4 Símbolos de seguridad en el producto	53
4.1 Motosierra	53
5 INSTRUCCIONES IMPORTANTES DE SEGURIDAD	53
5.1 Uso previsto	53
5.2 Operador	54
5.3 Equipos de protección personal	54
5.4 Motosierra	55
5.5 Instrucciones para el llenado de combustible	56
5.6 Uso de la motosierra	59
6 Contragolpe y otras fuerzas reactivas	65
6.1 Fuerzas reactivas	65
6.2 Contragolpe	65
6.3 Tirones	69
6.4 Rechazo	69
7 Técnicas adecuadas para el tronzado, el desramado, la poda y la tala básicos	70
7.1 Tronzado	70
7.2 Corte de troncos bajo tensión	71
7.3 Desrame	71
7.4 Poda	72
7.5 Tala	72
8 Mantenimiento, reparación y almacenamiento	76
8.1 Advertencias e instrucciones	76
9 Antes de empezar a trabajar	77
9.1 Preparación de la motosierra para el funcionamiento	77
10 Armado de la motosierra	77
10.1 Accesorio de corte	77
10.2 Montaje y retiro de la espada y la cadena de aserrado	77
10.3 Tensado de la cadena de sierra	80
11 Lubricación de la cadena de aserrado y de la espada	81
11.1 Lubricante de espadas y cadenas	81
11.2 Llenado del depósito de aceite de la cadena	81
12 El freno de cadena	82
12.1 Accionamiento del freno de la cadena	82
12.2 Cómo soltar el freno de la cadena	83
12.3 Mantenimiento del freno de la cadena	83
13 Mezcla del combustible y carga de combustible en la motosierra	83
13.1 Mezcla del combustible	83
13.2 Recarga de combustible de la motosierra	85
14 Arranque del motor	86
14.1 Sujeción de la motosierra	86
14.2 Procedimiento de arranque	86
14.3 Procedimiento de prearranque	87
14.4 Arranque del motor	87
15 Apagado del motor	88
15.1 Apagado del motor	88
16 Revisión de la motosierra	88
16.1 Control del funcionamiento del freno de la cadena	88
16.2 Prueba de los controles	88
16.3 Prueba de la lubricación de la cadena	89
17 Después de completar el trabajo	89
17.1 Preparación para el transporte o el almacenamiento	89
18 Transporte	89
18.1 Transporte de la motosierra	89
19 Almacenamiento	90
19.1 Almacenamiento de la motosierra	90
20 Limpieza	90
20.1 Limpieza de la motosierra	90
20.2 Limpieza de la barra guía y la cadena de sierra	91
20.3 Limpieza del filtro de aire	91
20.4 Limpieza de la bujía	92
21 Inspección y mantenimiento	93
21.1 Tabla de inspección y mantenimiento	93
21.2 Inspección y mantenimiento de la motosierra	94
21.3 Inspección y mantenimiento del piñón de la cadena	94
21.4 Inspección y mantenimiento de la espada	94
21.5 Inspección, mantenimiento y afilado de la cadena de aserrado	95
22 Guía de solución de problemas	97
22.1 Motosierra	97
22.2 Ajuste de la velocidad de marcha en vacío	98
22.3 Desobstrucción de la cámara de combustión	99
23 Especificaciones	99
23.1 E.P.A.	99
23.2 STIHL MS 162, 172	99
23.3 Piñones de la cadena	100
23.4 Profundidad mínima de ranura de las barras guía	100
23.5 Ajuste del calibrador de profundidad	100
23.6 Símbolos en la motosierra	100
23.7 Mejoramientos técnicos	100
24 Combinaciones de espadas y cadenas de aserrado	101
24.1 STIHL MS 162, MS 172	101
25 Piezas y equipos de repuesto	102
25.1 Piezas de repuesto originales de STIHL	102
26 Eliminación	102
26.1 Desecho de la herramienta motorizada	102
27 Garantía limitada	103
27.1 Política de garantía limitada de STIHL Incorporated	103
28 Garantía del sistema de control de emisiones	103
28.1 Declaración de garantía de STIHL Incorporated sobre sistemas de control de emisiones según normas federales	103
29 Marcas comerciales	105
29.1 Marcas comerciales registradas	105
29.2 Marcas comerciales por ley común	105
30 Direcciones	105

Match case Limit results 1 per page

–

Read and follow the instructions on start‐

ing the chain saw,

14.

5.6.2

Starting

WARNING

■

To reduce the risk of burns and other personal

injury from escaping gas vapor and fumes:

–

Move at least 10 ft. (3 m) from the fueling

spot before starting the engine.

–

Start your chain saw only outdoors.

■

To reduce the risk of injury from chain contact

and/or reactive forces:

–

Engage the chain brake before starting

the chain saw.

■

To reduce the risk of serious or fatal injuries to

the operator or bystanders from loss of con‐

trol:

–

Start the chain saw only as described in

the "Starting" chapter in this manual,

14.

–

Do not drop start. Drop starting means

pushing the chain saw away from the

operator, or allowing it to drop toward the

ground, while pulling on the starter grip.

This method is very dangerous because

you may lose control of the chain saw.

–

When you pull the starter grip, do not

wrap the starter rope around your hand.

–

Do not let the grip snap back. Guide the

starter rope to rewind it properly.

–

Be sure that the guide bar and chain are

clear of you and all other obstructions and

objects, including the ground. Never

attempt to start the chain saw when the

guide bar is in a cut or kerf.

–

Always engage the chain brake before

starting. When the engine is started, the

engine speed with the starting throttle lock

engaged will be fast enough for the clutch

to engage the sprocket and, if the chain

brake is not activated, turn the chain.

–

Once the engine has started, immediately

blip the throttle trigger, which should

release the Master Control Lever to the

run position and allow the engine to slow

down to idle.

■

Accelerating the engine while the chain brake

is engaged or the chain is otherwise blocked

(i.e., not able to turn) increases the load and

will cause the clutch to slip continuously. This

may occur if the throttle is depressed for more

than a few seconds when the chain is pinched

in the cut or the chain brake is engaged. To

reduce the risk of overheating and damage to

important components (e.g., clutch, polymer

housing components):

–

Always disengage chain brake before

accelerating engine and before starting

cutting work. The only exception to this

rule is when you check operation of the

chain brake.

5.6.3

Holding and Controlling the Chain Saw

0000084055_002

WARNING

■

To maintain a firm grip and properly control

your chain saw:

–

Keep the handles clean and dry at all

times. Keep them free of moisture, pitch,

oil, grease and resin.

■

To reduce the risk of serious or fatal injuries to

the operator or bystanders from loss of con‐

trol:

–

Avoid contacting any

object with the upper

quadrant of the tip of the

guide bar. It may cause

kickback to occur.

–

Always hold the chain saw

firmly with both hands

when you are working.

–

Place your left hand on the front handle

and your right hand on the rear handle

(see illustration). Left-handers must follow

these instructions too.

–

Wrap your fingers tightly around the han‐

dles, keeping the handles cradled

between your thumb and forefinger.

–

Position the chain saw in such a way that

all parts of your body are clear of the cut‐

ting attachment whenever the engine is

running. Stand to the left of the cut while

bucking, outside of the cutting plane (see

illustration).

–

Read and follow all warnings and instruc‐

tions in the chapter Kickback and Other

Reactive Forces,

English

5 IMPORTANT SAFETY INSTRUCTIONS

0458-200-8621-A