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Removing the Threaded Fuel Filler Cap, Installing the Threaded Fuel Filler Cap, Damaged or Broken

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English - Follow the fueling instructions in this chapter. - Always assume your fuel tank is pressur‐ ized. - Allow the chain saw to cool before remov‐ ing the fuel cap. - If you need to refuel before completing a job, turn off the machine and allow the engine to cool before removing the fuel cap. In hot environments, cooling will take longer. The engine is air cooled. When it is shut off, cooling air is no longer drawn across the cylinder and the engine tem‐ perature will rise for several minutes before starting to cool. ■ After the chain saw has cooled appropriately, follow the safety instructions in this chapter for removing the cap. - Never remove the cap by turning it directly to the open position. - First check for residual pressure by turn‐ ing the cap slowly to the vent position, approximately 1/8 turn counter-clockwise. - Use only good quality fuel that is appropri‐ ate for the season (summer v. winter blends). Some blends of gasoline, particu‐ larly winter blends, are more volatile and can contribute to fuel spraying. Removing the Threaded Fuel Filler Cap WARNING ■ After allowing the chain saw to cool, remove the fuel filler cap slowly and carefully to allow any remaining pressure build-up in the tank to release: - While maintaining steady, downward pressure, slowly turn the cap approxi‐ mately 1/2 turn counter-clockwise. - If any significant venting occurs, immedi‐ ately re-seal the tank by turning the cap clockwise to the closed position. Allow the chain saw to cool further before attempt‐ ing to open the tank. 8 0000097425_001 0000097426_001 5 IMPORTANT SAFETY INSTRUCTIONS - Turn the cap to the open position only after the contents of the tank are no lon‐ ger under pressure. - Never remove the cap by turning it directly to the open position without first allowing the chain saw to cool adequately and then releasing any residual pressure by slowly turning it approximately 1/2 turn counterclockwise. - Never attempt to remove the cap while the engine is still hot or running. Installing the Threaded Fuel Filler Cap WARNING ■ An improperly tightened fuel filler cap can loosen or come off and spill quantities of fuel. To reduce the risk of fuel spillage and fire from an improperly installed fuel cap, correctly posi‐ tion the cap in the fuel filler opening and tighten it by hand until it is secure. Damaged or Broken Cap WARNING ■ If your fuel cap does not tighten properly, it may be damaged or broken. Stop using the chain saw and take it to your authorized STIHL dealer for repair. Vapor Lock WARNING ■ Vapor lock occurs when fuel in the fuel line or carburetor vaporizes, causing bubbles to block the free flow of liquid fuel into the carburetor. ■ Vapor lock cannot be relieved or affected by opening the fuel tank. Removing the fuel filler cap without first allowing the chain saw to cool adequately can result in fuel spraying. Always follow the instructions in this section when removing the fuel cap. ■ To relieve vapor lock: - Place the Master Control Lever in the cold start position and pull the starter cord approximately 20 times to clear the vapor and send liquid fuel into the carburetor. 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

–

Follow the fueling instructions in this

chapter.

–

Always assume your fuel tank is pressur‐

ized.

–

Allow the chain saw to cool before remov‐

ing the fuel cap.

–

If you need to refuel before completing a

job, turn off the machine and allow the

engine to cool before removing the fuel

cap. In hot environments, cooling will take

longer. The engine is air cooled. When it

is shut off, cooling air is no longer drawn

across the cylinder and the engine tem‐

perature will rise for several minutes

before starting to cool.

■

After the chain saw has cooled appropriately,

follow the safety instructions in this chapter for

removing the cap.

–

Never remove the cap by turning it directly

to the open position.

–

First check for residual pressure by turn‐

ing the cap slowly to the vent position,

approximately 1/8 turn counter-clockwise.

–

Use only good quality fuel that is appropri‐

ate for the season (summer v. winter

blends). Some blends of gasoline, particu‐

larly winter blends, are more volatile and

can contribute to fuel spraying.

Removing the Threaded Fuel Filler Cap

WARNING

0000097425_001

■

After allowing the chain saw to cool, remove

the fuel filler cap slowly and carefully to allow

any remaining pressure build-up in the tank to

release:

–

While maintaining steady, downward

pressure, slowly turn the cap approxi‐

mately 1/2 turn counter-clockwise.

–

If any significant venting occurs, immedi‐

ately re-seal the tank by turning the cap

clockwise to the closed position. Allow the

chain saw to cool further before attempt‐

ing to open the tank.

–

Turn the cap to the open position only

after the contents of the tank are no lon‐

ger under pressure.

–

Never remove the cap by turning it directly

to the open position without first allowing

the chain saw to cool adequately and then

releasing any residual pressure by slowly

turning it approximately 1/2 turn counter-

clockwise.

–

Never attempt to remove the cap while

the engine is still hot or running.

Installing the Threaded Fuel Filler Cap

WARNING

0000097426_001

■

An improperly tightened fuel filler cap can

loosen or come off and spill quantities of fuel.

To reduce the risk of fuel spillage and fire from

an improperly installed fuel cap, correctly posi‐

tion the cap in the fuel filler opening and

tighten it by hand until it is secure.

Damaged or Broken Cap

WARNING

■

If your fuel cap does not tighten properly, it

may be damaged or broken. Stop using the

chain saw and take it to your authorized

STIHL dealer for repair.

Vapor Lock

WARNING

■

Vapor lock occurs when fuel in the fuel line or

carburetor vaporizes, causing bubbles to block

the free flow of liquid fuel into the carburetor.

■

Vapor lock cannot be relieved or affected by

opening the fuel tank. Removing the fuel filler

cap without first allowing the chain saw to cool

adequately can result in fuel spraying. Always

follow the instructions in this section when

removing the fuel cap.

■

To relieve vapor lock:

–

Place the Master Control Lever in the cold

start position

and pull the starter cord

approximately 20 times to clear the vapor

and send liquid fuel into the carburetor.

English

5 IMPORTANT SAFETY INSTRUCTIONS

0458-200-8621-A