STIHL MS 261 Instruction Manual

1 STIHL MS 261 C-M Instruction Manual Manual de instrucciones WARNING To reduce the risk of kickback injury use STIHL reduced kickback bar and STIHL low kickback chain as specified in this Manual or other available low kickback components. ADVERTENCIA Para reducir el riesgo de lesionarse como resultado de un culatazo, utilice la barra y la cadena de contragolpe reducido de la forma especificada en este Manual o de otros componentes reductores de contragolpe. Read Instruction Manual thoroughly before Antes de usar la m quina lea y siga todas las precauciones use and follow all safety precautions de seguridad dadas en el Manual de instrucciones el uso improper use can cause serious or fatal injury. incorrecto puede causar lesiones graves o mortales. Instruction Manual 1 - 60. Manual de instrucciones 61 - 125. English Contents Guide to Using this Manual 2 Specifications 55 Allow only persons who fully understand this Manual to operate your chain saw. Safety Precautions and Working Ordering Spare Parts 56.

2 Techniques 3 Maintenance and Repairs 56 To receive maximum performance and Cutting Attachment 27 satisfaction from your STIHL chain saw, Original Instruction Manual Disposal 56. it is important that you read, understand Mounting the Bar and Chain 28 Limited Warranty 57 and follow the safety precautions and Tensioning the Chain 29 STIHL Incorporated Federal the operating and maintenance Checking Chain Tension 29 Emission Control Warranty instructions in chapter "Safety Fuel 29 Statement 57 Precautions and Working Techniques". Fueling 30 Trademarks 59 before using your chain saw. For further information you can go to Chain Lubricant 33 Printing inks contain vegetable oils, paper can be recycled. Filling Chain Oil Tank 33. Contact your STIHL dealer or the STIHL . Checking Chain Lubrication 34 distributor for your area if you do not Chain Brake 34 understand any of the instructions in this Winter Operation 35 Manual . Electric Handle Heating 36. Starting / Stopping the Engine 37 WARNING.

3 Printed on chlorine-free paper Operating Instructions 40 Because a chain saw is a high-speed Oil Quantity Control 41 wood-cutting tool, some special safety Taking Care of the Guide Bar 41 precautions must be observed as with any other power saw to reduce the risk Shroud 42 of personal injury. Careless or improper Cleaning the Air Filter 42 use may cause serious or even fatal Engine Management 43 injury. M-Tronic 43. Spark Arresting Screen in Muffler 44. Spark Plug 44. Storing the Machine 45. ANDREAS STIHL AG & Co. KG, 2019. Checking and Replacing the Chain Sprocket 46. 0458-153-8621-A. Maintaining and Sharpening the Saw Chain 47. 0000006396_011_GB. Maintenance and Care 51. Main Parts 53. This Instruction Manual is protected by copyright. All rights reserved, especially the rights to reproduce, translate and process with electronic systems. MS 261 C-M 1. English Intake air for summer Guide to Using this Manual operation DANGER. Indicates a hazardous situation that, if This Instruction Manual refers to a not avoided, will result in death or Handle heating serious injury.

4 STIHL chain saw, also called a machine in this Instruction Manual . WARNING. Pictograms Operate decompression Indicates a hazardous situation that, if valve not avoided, could result in death or The meanings of the pictograms serious injury. attached to or embossed on the machine are explained in this Manual . NOTICE. Operate Manual fuel Depending on the model concerned, the pump Indicates a risk of property damage, following pictograms may be on your including damage to the machine or its machine. individual components. Fuel tank; fuel mixture of gasoline and engine oil Symbols in Text Engineering Improvements Many operating and safety instructions STIHL 's philosophy is to continually Chain oil tank; chain oil are supported by illustrations. improve all of its products. As a result, engineering changes and improvements The individual steps or procedures are made from time to time. Therefore, described in the Manual may be shown some changes, modifications and Engaging and disengag- in different ways: ing the STIHL Quickstop improvements may not be covered in chain brake N A bullet indicates a step or this Manual .

5 If the operating procedure. characteristics or the appearance of Direction of chain rotation your machine differs from those A description of a step or procedure that described in this Manual , please contact refers directly to an illustration may your STIHL dealer or the STIHL . contain item numbers that appear in the distributor for your area for assistance. illustration. For example: Ematic; chain oil quantity control N Remove the screw (1). N Pull the spark arresting screen (2). upwards out of the muffler Tension the chain In addition to the operating instructions, this Manual may contain paragraphs that require your special attention. Such Intake air preheating for paragraphs are indicated with the winter operation symbols and signal words described below: 2 MS 261 C-M. English a chain saw for logging purposes, for Safety Precautions and instance, refer to the OSHA regulations WARNING. Working Techniques for "logging operations" at 29 Code of Always stop the engine and activate the Federal Regulations QuickStop Chainbrake before Because a chain saw is a high-speed, fast-cutting transporting or carrying out any work on power tool, special safety WARNING the chain saw.

6 This avoids the risk of the precautions must be engine starting unintentionally. Do not lend or rent your chain saw observed to reduce the without the Instruction Manual . Be sure STIHL recommends the use of genuine risk of personal injury. that anyone using it understands the STIHL replacement parts. They are It is important that you information contained in this Manual . specifically designed to match your read, fully understand model and meet your performance The use of noise emitting chain saws and observe the following requirements. may be restricted to certain times by safety precautions and national, state or local regulations. Safe use of a chain saw involves warnings. Read the Instruction Manual and Use your chain saw only for cutting 1 the operator the safety instructions wooden objects. 2 the chain saw periodically. Careless or WARNING 3 the use of the chain saw. improper use may cause serious or fatal injury. Do not use it for other purposes, since THE OPERATOR.

7 Save the Instruction man- misuse may result in personal injury or ual for future reference. property damage, including damage to the chain saw. Physical Condition WARNING You must be in good physical condition The use of this chain saw may be WARNING and mental health and not under the hazardous. The saw chain has many influence of any substance (drugs, Minors should never be allowed to use sharp cutters. If the cutters contact your alcohol, etc.) which might impair vision, this chain saw. Bystanders, especially flesh, they will cut you, even if the chain dexterity or judgment. Do not operate children, and animals should not be is not moving. this chain saw when you are fatigued. allowed in the area where it is in use. Most of these safety precautions and WARNING. WARNING. warnings apply to the use of all STIHL . Reactive forces, including kickback, can chain saws. Different models may have Be alert if you get tired, take a break. be dangerous. Pay special attention to different parts and controls.

8 See the Tiredness may result in loss of control. the section on reactive forces. appropriate section of your Instruction Working with any power tool can be Manual for a description of the controls strenuous. If you have any condition that Have your STIHL dealer show you how might be aggravated by strenuous work, to operate your chain saw. All safety and the function of the parts of your model. check with your doctor before operating precautions that are generally observed this chain saw. when working with an axe or a hand saw also apply to the operation of chain saws. Observe all applicable federal, state and local safety regulations, standards and ordinances. When using MS 261 C-M 3. English Keep the AV system well Clothing must be sturdy WARNING maintained. A chain saw with loose and snug-fitting, but allow Prolonged use of a chain saw (or other components or with damaged or complete freedom of power tools) exposing the operator to worn AV elements will tend to have reduce the vibrations may produce whitefinger higher vibration levels.

9 Risk of cut injuries, wear disease (Raynaud's phenomenon) or Keep the saw chain sharp and well the type of overalls, long carpal tunnel syndrome. maintained. A dull saw chain will pants or chaps that con- increase cutting time, and pressing tain pads of cut-retardant These conditions reduce the hand's material. Avoid loose-fit- ability to feel and regulate temperature, a dull saw chain through wood will increase the vibrations transmitted ting jackets, scarfs, produce numbness and burning neckties, jewelry, flared sensations and may cause nerve and to your hands. or cuffed pants, uncon- circulation damage and tissue necrosis. Maintain a firm grip at all times, but fined long hair or All factors which contribute to white- do not squeeze the handles with anything that could finger disease are not known, but cold constant, excessive pressure. Take become caught on weather, smoking and diseases or frequent breaks. branches, brush or the physical conditions that affect blood All the above-mentioned precautions do moving parts of the chain vessels and blood transport, as well as not guarantee that you will not sustain saw.

10 Secure hair so it is high vibration levels and long periods of whitefinger disease or carpal tunnel above shoulder exposure to vibration are mentioned as syndrome. Therefore, continual and Good footing is very factors in the development of whitefinger regular users should closely monitor the important. Wear sturdy disease. In order to reduce the risk of condition of their hands and fingers. If boots with nonslip soles. whitefinger disease and carpal tunnel any of the above symptoms appear, Steel-toed safety boots syndrome, please note the following: seek medical advice immediately. are recommended. Never Most STIHL chain saws are wear sandals, flip-flops or available with an anti-vibration WARNING go barefoot. ("AV") system designed to reduce The ignition system of the STIHL unit Always wear heavy-duty the transmission of vibrations produces an electromagnetic field of a work gloves ( made of created by the chain saw to the very low intensity. This field may leather or wear resistant operator's hands.)