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Stihl 441 Cm Manual

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    STIHL MS 441 C-M
    WARNING This saw is capable of 
    severe kickback which may cause serious or 
    fatal injury. Only for users with extraordinary 
    cutting needs and experience and training 
    dealing with kickback. Chain saws with 
    significantly reduced kickback potential are 
    available. STIHL recommends the use of STIHL 
    reduced kickback bar and low kickback chain.
    ADVERTENCIA Esta sierra es capaz 
    de causar contragolpes severos, los cuales 
    pueden causar lesiones graves o mortales. Sólo 
    es apta para usuarios con necesidades 
    extraordinarias de corte y mucha experiencia y 
    capacitación en el manejo de los contragolpes. 
    Existen sierras con un potencial mucho menor 
    de causar contragolpes. STIHL recomienda 
    usar una barra y cadena de contragolpe 
    reducido de STIHL.
    Read Instruction Manual thoroughly before 
    use and follow all safety precautions – 
    improper use can cause serious or fatal injury.Antes de usar la máquina lea y siga todas las precauciones 
    de seguridad dadas en el manual de instrucciones – el uso 
    incorrecto puede causar lesiones graves o mortales.
    							Instruction Manual
    1 - 60
    Manual de instrucciones
    61 - 125 
    							Original Instruction Manual Printed on chlorine-free paper
    Printing inks contain vegetable oils, paper can be recycled. © ANDREAS STIHL AG & Co. KG, 2017
    0458-557-8621-B. VA1.J17. 
    MS 441 C-M
    {This instruction manual is protected by copyright. All rights reserved, especially the rights to reproduce, translate and process 
    with electronic systems.
    Allow only persons who fully understand 
    this manual to operate your chain saw.
    To receive maximum performance and 
    satisfaction from your STIHL chain saw, 
    it is important that you read, understand 
    and follow the safety precautions and 
    the operating and maintenance 
    instructions in chapter "Safety 
    Precautions and Working Techniques" 
    before using your chain saw. For further 
    information you can go to 
    Contact your STIHL dealer or the STIHL 
    distributor for your area if you do not 
    understand any of the instructions in this 
    Because a chain saw is a high-speed 
    wood-cutting tool, some special safety 
    precautions must be observed as with 
    any other power saw to reduce the risk 
    of personal injury. Careless or improper 
    use may cause serious or even fatal 
    injury. Guide to Using this Manual 2
    Safety Precautions and Working 
    Techniques 3
    Cutting Attachment 26
    Mounting the Bar and Chain 27
    Tensioning the Chain 28
    Checking Chain Tension 28
    Fuel 28
    Fueling 29
    Chain Lubricant 33
    Filling Chain Oil Tank 33
    Checking Chain Lubrication 34
    Chain Brake 34
    Winter Operation 35
    Electric Handle Heating 36
    Starting / Stopping the Engine 36
    Operating Instructions 39
    Oil Quantity Control 40
    Taking Care of the Guide Bar 41
    Air Filter System 42
    Remove air filter 42
    Cleaning the Air Filter 43
    Engine Management 43
    M-Tronic 43
    Spark Arresting Screen in Muffler 44
    Spark Plug 44
    Storing the Machine 45
    Checking and Replacing the Chain 
    Sprocket 46
    Maintaining and Sharpening the 
    Saw Chain 47
    Maintenance and Care 51Main Parts 53
    Specifications 55
    Ordering Spare Parts 56
    Maintenance and Repairs 56
    Disposal 56
    Limited Warranty 57
    STIHL Incorporated Federal 
    Emission Control Warranty 
    Statement 57
    Trademarks 59 
    							MS 441 C-M
    2 This Instruction Manual refers to a 
    STIHL chain saw, also called a machine 
    in this Instruction Manual.
    The meanings of the pictograms 
    attached to or embossed on the 
    machine are explained in this manual.
    Depending on the model concerned, the 
    following pictograms may be on your 
    Symbols in Text
    Many operating and safety instructions 
    are supported by illustrations.
    The individual steps or procedures 
    described in the manual may be marked 
    in different ways:
    NA bullet marks a step or procedure.
    A description of a step or procedure that 
    refers directly to an illustration may 
    contain item numbers that appear in the 
    illustration. Example:
    NLoosen the screw (1).
    NLever (2) ...
    In addition to the operating instructions, 
    this manual may contain paragraphs 
    that require your special attention. Such 
    paragraphs are marked with the 
    symbols and signal words described 
    Indicates a hazardous situation that, if 
    not avoided, will result in death or 
    serious injury.
    Indicates a hazardous situation that, if 
    not avoided, could result in death or 
    serious injury.
    Indicates a risk of property damage, 
    including damage to the machine or its 
    individual components.
    Engineering Improvements
    STIHL’s philosophy is to continually 
    improve all of its products. As a result, 
    engineering changes and improvements 
    are made from time to time. Therefore, 
    some changes, modifications and 
    improvements may not be covered in 
    this manual. If the operating 
    characteristics or the appearance of 
    your machine differs from those 
    described in this manual, please contact 
    your STIHL dealer or the STIHL 
    distributor for your area for assistance.
    Guide to Using this Manual
    Fuel tank; fuel mixture of 
    gasoline and engine oil
    Chain oil tank; chain oil
    Engaging and disengag-
    ing the STIHL Quickstop 
    chain brake
    Direction of chain rotation
    Ematic; chain oil quantity 
    Tension the chain
    Intake air preheating for 
    winter operation
    Intake air for summer 
    Handle heating
    Operate decompression 
    Operate manual fuel 
    							MS 441 C-M
    The use of this chain saw may be 
    hazardous. The saw chain has many 
    sharp cutters. If the cutters contact your 
    flesh, they will cut you, even if the chain 
    is not moving. 
    Reactive forces, including kickback, can 
    be dangerous. Pay special attention to 
    the section on reactive forces.
    Have your STIHL dealer show you how 
    to operate your chain saw. All safety 
    precautions that are generally observed 
    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 a chain saw for logging purposes, for 
    instance, refer to the OSHA regulations 
    for "logging operations" at 29 Code of 
    Federal Regulations 1910.266.
    Do not lend or rent your chain saw 
    without the instruction manual. Be sure 
    that anyone using it understands the 
    information contained in this manual.
    The use of noise emitting chain saws 
    may be restricted to certain times by 
    national, state or local regulations.
    Use your chain saw only for cutting 
    wooden objects.
    Do not use it for other purposes, since 
    misuse may result in personal injury or 
    property damage, including damage to 
    the chain saw.
    Minors should never be allowed to use 
    this chain saw. Bystanders, especially 
    children, and animals should not be 
    allowed in the area where it is in use.
    Most of these safety precautions and 
    warnings apply to the use of all STIHL 
    chain saws. Different models may have 
    different parts and controls. See the 
    appropriate section of your instruction 
    manual for a description of the controls 
    and the function of the parts of your 
    Always stop the engine and activate the 
    QuickStop Chainbrake before 
    transporting or carrying out any work on 
    the chain saw. This avoids the risk of the 
    engine starting unintentionally.
    STIHL recommends the use of genuine 
    STIHL replacement parts. They are 
    specifically designed to match your 
    model and meet your performance 
    Safe use of a chain saw involves
    1the operator
    2the chain saw
    3the use of the chain saw.
    Physical Condition
    You must be in good physical condition 
    and mental health and not under the 
    influence of any substance (drugs, 
    alcohol, etc.) which might impair vision, 
    dexterity or judgment. Do not operate 
    this chain saw when you are fatigued.
    Be alert – if you get tired, take a break. 
    Tiredness may result in loss of control. 
    Working with any power tool can be 
    strenuous. If you have any condition that 
    might be aggravated by strenuous work, 
    check with your doctor before operating 
    this chain saw.
    Safety Precautions and 
    Working Techniques
    Because a chain saw is a 
    high-speed, fast-cutting 
    power tool, special safety 
    precautions must be 
    observed to reduce the 
    risk of personal injury.
    It is important that you 
    read, fully understand 
    and observe the following 
    safety precautions and 
    warnings. Read the 
    instruction manual and 
    the safety instructions 
    periodically. Careless or 
    improper use may cause 
    serious or fatal injury. 
    Save the instruction man-
    ual for future reference. 
    							MS 441 C-M
    Prolonged use of a chain saw (or other 
    power tools) exposing the operator to 
    vibrations may produce whitefinger 
    disease (Raynaud's phenomenon) or 
    carpal tunnel syndrome.
    These conditions reduce the hand's 
    ability to feel and regulate temperature, 
    produce numbness and burning 
    sensations and may cause nerve and 
    circulation damage and tissue necrosis.
    All factors which contribute to white-
    finger disease are not known, but 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 whitefinger 
    disease. In order to reduce the risk of 
    whitefinger disease and carpal tunnel 
    syndrome, please note the following:
    –Most STIHL chain saws are 
    available with an anti-vibration 
    ("AV") system designed to reduce 
    the transmission of vibrations 
    created by the chain saw to the 
    operator's hands. An AV system is 
    recommended for those persons 
    using chain saws on a regular or 
    sustained basis.
    –Wear gloves and keep your hands 
    warm. Heated handles, which are 
    available on some STIHL chain 
    saws, are recommended for cold 
    weather use.–Keep the AV system well 
    maintained. A chain saw with loose 
    components or with damaged or 
    worn AV elements will tend to have 
    higher vibration levels.
    –Keep the saw chain sharp and well 
    maintained. A dull saw chain will 
    increase cutting time, and pressing 
    a dull saw chain through wood will 
    increase the vibrations transmitted 
    to your hands.
    –Maintain a firm grip at all times, but 
    do not squeeze the handles with 
    constant, excessive pressure. Take 
    frequent breaks.
    All the above-mentioned precautions do 
    not guarantee that you will not sustain 
    whitefinger disease or carpal tunnel 
    syndrome. Therefore, continual and 
    regular users should closely monitor the 
    condition of their hands and fingers. If 
    any of the above symptoms appear, 
    seek medical advice immediately.
    The ignition system of the STIHL unit 
    produces an electromagnetic field of a 
    very low intensity. This field may 
    interfere with some pacemakers. To 
    reduce the risk of serious or fatal injury, 
    persons with a pacemaker should 
    consult their physician and the 
    pacemaker manufacturer before 
    operating this chain saw.
    Proper Clothing
    To reduce the risk of injury, the operator 
    should wear proper protective apparel.Clothing must be sturdy 
    and snug-fitting, but allow 
    complete freedom of 
    movement.To reduce the 
    risk of cut injuries, wear 
    the type of overalls, long 
    pants or chaps that con-
    tain pads of cut-retardant 
    material. Avoid loose-fit-
    ting jackets, scarfs, 
    neckties, jewelry, flared 
    or cuffed pants, uncon-
    fined long hair or 
    anything that could 
    become caught on 
    branches, brush or the 
    moving parts of the chain 
    saw. Secure hair so it is 
    above shoulder level..
    Good footing is very 
    important. Wear sturdy 
    boots with nonslip soles. 
    Steel-toed safety boots 
    are recommended. Never 
    wear sandals, flip-flops or 
    go barefoot.
    Always wear heavy-duty 
    work gloves (e.g. made of 
    leather or wear resistant 
    material) when handling 
    the chain saw and the 
    cutting tool. Heavy-duty, 
    nonslip gloves improve 
    your grip and help to pro-
    tect your hands. 
    							MS 441 C-M
    5 Be particularly alert and cautious when 
    wearing hearing protection because 
    your ability to hear warnings (shouts, 
    alarms, etc.) is restricted.
    For illustrations and definitions of the 
    chain saw parts see the chapter on 
    "Main Parts."
    Never modify this chain saw in any way. 
    Only attachments supplied by STIHL or 
    expressly approved by STIHL for use 
    with the specific STIHL model are 
    authorized. Although certain 
    unauthorized attachments are useable 
    with STIHL chain saws, their use may, in 
    fact, be extremely dangerous.
    Never operate your chain saw if it is 
    damaged, improperly adjusted or 
    maintained, or not completely or 
    securely assembled.
    If this chain saw is subjected to 
    unusually high loads for which it was not 
    designed (e.g. heavy impact or a fall), 
    always check that it is in good condition 
    before continuing work. Check in 
    particular that the fuel system is tight (no 
    leaks) and that the controls and safety 
    devices are working properly. Do not 
    continue operating this chain saw if it is 
    damaged. In case of doubt, have it 
    checked by your STIHL servicing dealer.
    Transporting the Chain Saw
    Always stop the engine before putting 
    the chain saw down. Carrying a chain 
    saw with the engine running may be 
    extremely dangerous.Accidental acceleration of the engine 
    can cause the saw chain to rotate. 
    Always engage the chain brake when 
    taking more than a few steps.
    By hand: When transporting your chain 
    saw by hand, the engine must be shut 
    off and the chain saw must be in the 
    proper position, i.e., grip the top handle 
    and place the muffler away from the 
    body; the chain guard (scabbard) should 
    be over the saw chain and guide bar, 
    which should point backwards, away 
    from the direction in which you are 
    By vehicle: When transporting in a 
    vehicle, keep saw chain and bar covered 
    with the chain guard (scabbard). 
    Properly secure your chain saw to 
    prevent turnover, fuel spillage and 
    damage to the chain saw. To reduce the risk of 
    injury to your eyes never 
    operate your power tool 
    unless wearing goggles 
    or properly fitted protec-
    tive glasses with 
    adequate top and side 
    protection complying with 
    ANSI Z87 "+" (or your 
    applicable national stand-
    ard). If there is a risk of 
    injury to your face, STIHL 
    recommends that you 
    also wear a face shield or 
    face screen over your 
    goggles or protective 
    Wear an approved safety 
    hard hat  to reduce the 
    risk of injury to your head. 
    Chain saw noise may 
    damage your hearing. 
    Wear sound barriers (ear 
    plugs or ear mufflers) to 
    help protect your hearing. 
    Continual and regular 
    users should have their 
    hearing checked 
    001BA275 KN 
    							MS 441 C-M
    6 Fuel
    Your STIHL chain saw uses an oil- 
    gasoline mixture for fuel (see the 
    chapter on "Fuel" of your instruction 
    Fueling Instructions
    Fuel your chain saw in well-ventilated 
    areas, outdoors. Always shut off the 
    engine and allow it to cool before 
    refueling. Gasoline vapor pressure may 
    build up inside the fuel tank depending 
    on the fuel used, the weather conditions 
    and the tank venting system.
    In order to reduce the risk of burns and 
    other personal injury from escaping gas 
    vapor and fumes, remove the fuel filler 
    cap on your chain saw carefully so as to 
    allow any pressure build-up in the tank 
    to release slowly.Flip up the lever and slowly turn left (1) 
    to the vent position of the cap at about 
    1/8 turn where the cap is held in place by 
    the thread. Once the fumes have been 
    relieved, turn (2) the cap further to the 
    1/4 turn position where the tool-less cap 
    can be removed from the tank thread.
    Never remove the fuel filler cap by 
    quickly turning it to the full 1/4 open 
    position without letting it vent out any 
    vapor/pressure build-up at the 
    1/8 position.
    Never remove the fuel filler cap while the 
    engine is running.
    Select bare ground for fueling and move 
    at least 10 feet (3 m) from the fueling 
    spot before starting the engine. Wipe off 
    any spilled fuel before starting your 
    chain saw.
    Different models may be equipped with 
    different fuel caps.
    Toolless cap with grip
    In order to reduce the risk of fuel spillage 
    and fire from an improperly tightened 
    fuel cap, correctly position and tighten 
    the fuel cap in the fuel tank opening.
    To do this with this STIHL cap, raise the 
    grip on the top of the cap until it is upright 
    at a 90° angle. Insert the cap in the fuel 
    tank with the positioning mark on the 
    grip of the cap and the "open" mark on 
    the fuel tank opening lining up. Using the 
    grip, press the cap down firmly while 
    turning it clockwise as far as it will go  Gasoline is an extremely 
    flammable fuel. If spilled 
    and ignited by a spark or 
    other ignition source, it 
    can cause fire and seri-
    ous burn injury or 
    property damage. Use 
    extreme caution when 
    handling gasoline or fuel 
    mix. Do not smoke or 
    bring any fire or flame 
    near the fuel or the chain 
    saw. Note that combus-
    tible fuel vapor may 
    escape from the fuel 
    001BA234 KN 
    							MS 441 C-M
    7 (approx. 1/4 turn). The positioning mark 
    on the cap should now line up with the 
    "closed" mark on the tank.
    Misaligned, damaged or broken cap
    NIf the cap does not drop fully into the 
    opening when the positioning marks 
    line up and/or if the cap does not 
    tighten properly when twisted, the 
    base of the cap may be prematurely 
    rotated (in relation to the top) to the 
    closed position. Such misalignment 
    can result from handling, cleaning 
    or an improper attempt at 
    tightening.NTo return the cap to the open 
    position for installation, turn the cap 
    (with the grip up) until it drops fully 
    into the tank opening. Next, twist the 
    cap counterclockwise as far as it will 
    go (approx. 1/4 turn) – this will twist 
    the base of the cap into the correct 
    position for installation. Then, twist 
    the cap clockwise, closing it 
    NIf your cap still does not tighten 
    properly, it may be damaged or 
    broken; immediately stop use of the 
    unit and take it to your authorized 
    STIHL dealer for repair.See also the "Fueling" chapter in your 
    Instruction Manual for additional 
    Before Operation
    Take off the chain guard (scabbard) and 
    inspect the chain saw for proper 
    condition and operation. (See the 
    maintenance chart near the end of the 
    instruction manual.)
    A l w a y s  c h e c k  y o u r  c h a i n  s a w   f o r  p r o p e r  
    condition and operation before starting, 
    particularly the throttle trigger, throttle 
    trigger lockout, stop switch and cutting 
    attachment. The throttle trigger must 
    move freely and always spring back to 
    the idle position. The Master Control 
    Lever / stop switch must move easily to 
    STOP, 0 or †. Never attempt to modify 
    the controls or safety devices.
    Check fuel system for leaks, especially 
    the visible parts, e.g., filler cap, hose 
    connections, manual fuel pump (only for 
    chain saws equipped with a manual fuel 
    pump). Do not start the engine if there 
    are leaks or damage – risk of fire! Have 
    the chain saw repaired by a STIHL 
    servicing dealer before using it.
    Check that the spark plug boot is 
    securely mounted on the spark plug – a 
    loose boot may cause arcing that could 
    ignite combustible fumes and cause a 
    fire. Fold the grip flush with 
    the top of the cap. Grip 
    the cap and check for 
    tightness. If the grip does 
    not lie completely flush 
    with the cap and the 
    detent on the grip does 
    not fit in the correspond-
    ing recess in the filler 
    opening, or if the cap is 
    loose in the filler opening, 
    the cap is not properly 
    seated and tightened and 
    you must repeat the 
    above steps.
    Left: Bottom of cap in closed posi-
    tion – inner mark (1) in line 
    with outer mark.
    Right: Bottom of cap in correct posi-
    tion for installation – inner 
    mark is under the grip and 
    not in line with the outer 
    001BA238 KN
    001BA239 KN 
    							MS 441 C-M
    8 For proper assembly of the bar and saw 
    chain follow the procedure described in 
    the chapter "Mounting the Bar and 
    Chain" of your instruction manual. 
    STIHL Oilomatic saw chain, guide bar 
    and sprocket must match each other in 
    gauge and pitch. Before replacing any 
    bar and chain, see the chapter entitled 
    "Specifications" in the instruction 
    manual and the chapter "Reactive 
    Forces including Kickback".
    Since longer bars add weight and may 
    be more difficult to control, select the 
    shortest bar that will meet your cutting 
    Proper tension of the chain is extremely 
    important. In order to avoid improper 
    setting, the tensioning procedure must 
    be followed as described in your 
    manual. Always make sure the 
    hexagonal nut(s) for the sprocket cover 
    is (are) tightened securely after 
    tensioning the saw chain in order to 
    secure the bar. Never start the chain 
    saw with the sprocket cover loose. 
    Check chain tension once more after 
    having tightened the nut(s) and 
    thereafter at regular intervals (whenever 
    the saw is shut off). If the saw chain 
    becomes loose while cutting, shut off the 
    engine and then tighten. Never try to 
    adjust the saw chain while the engine is 
    After adjusting a saw chain, start the 
    chain saw, let the engine run for a while, 
    then switch engine off and recheck saw 
    chain tension. Proper saw chain tension 
    is very important at all times.Keep the handles clean and dry at all 
    times; it is particularly important to keep 
    them free of moisture, pitch, oil, fuel mix, 
    grease or resin in order for you to 
    maintain a firm grip and properly control 
    your chain saw .
    Be sure that the guide bar and saw chain 
    are clear of you and all other 
    obstructions and objects, including the 
    ground. If the upper quadrant of the tip of 
    the bar touches any object, it may cause 
    kickback to occur (see section on 
    reactive forces). Never attempt to start 
    the chain saw when the guide bar is in a 
    cut or kerf.
    For specific starting instructions, see the 
    appropriate section of your instruction 
    To reduce the risk of fire and burn 
    injuries, start the engine at least 10 feet 
    (3 m) from the fueling spot, outdoors 
    Start and operate your chain saw 
    without assistance. For specific starting 
    instructions, see the appropriate section 
    of the instruction manual. Proper starting 
    methods reduce the risk of injury.
    To reduce the risk of injury from saw 
    chain contact and / or reactive forces, 
    the chain brake must be engaged when 
    starting the chain saw. If your chain saw 
    is equipped with the Quickstop Plus 
    chain brake system, it is not sufficient to engage that brake only for starting, 
    because the saw chain may begin to 
    rotate at high speed when the throttle 
    trigger lockout is depressed (releasing 
    the brake) in order to blip the throttle 
    trigger after starting.
    Do not drop start. This method is very 
    dangerous because you may lose 
    control of the chain saw.
    There are two recommended methods 
    for starting your chain saw.
    With the first recommended method, the 
    chain saw is started on the ground. 
    Make sure the chain brake is engaged 
    (see "Chain Brake" chapter in your 
    instruction manual) and place the chain 
    saw on firm ground or other solid surface 
    in an open area. Maintain good balance 
    and secure footing.
    Grip the front handlebar of the saw firmly 
    with your left hand and press down. For 
    saws with a rear handle level with the 
    ground, put the toe of your right foot into 
    the rear handle and press down. With 
    your right hand pull out the starter grip 
    slowly until you feel a definite resistance 
    and then give it a brisk, strong pull.
    001BA113 KN 
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