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Stihl Fs 450 K Manual

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    							40 English / USA
    FS 300, FS 350, FS 400, FS 450, FS 4801)  STIHL recommends that this work be done by 
    a STIHL servicing dealer
    * not in all versions, market-specificMaintenance ChartPlease note that the following maintenance intervals apply for normal operating 
    conditions. If your daily working time is longer than normal or cutting conditions 
    are difficult (very dusty work area etc.), shorten the specified intervals accordingly.
    before 
    starting work
    after finishing 
    work or daily
    after each
    refueling stop
    weekly
    monthly
    every 12 months
    if problem
    if damaged
    as required
    Complete machineVisual inspection (condition, leaks)XX
    CleanX
    Control handle Check operationXX
    Air filterCleanXX
    ReplaceX
    Pick up body in fuel tankCheckX
    ReplaceXXX
    Fuel tank CleanXXX
    CarburetorCheck idle adjustment XX
    Readjust idleX
    Spark plugReadjust electrode gapX
    Replace after about 100 operating 
    hours
    Cooling inletsInspectX
    CleanX
    Spark arresting screen* in mufflerCheckXX
    Have replaced by servicing dealer
    1)
    X
    All accessible screws and nuts 
    (not adjusting screws)RetightenX
    Anti-vibration elementCheckXXX
    Have replaced by servicing dealer
    1)
    X 
    						
    							41 FS 300, FS 350, FS 400, FS 450, FS 480English / USA
    1)
    STIHL recommends that this work be done by 
    a STIHL servicing dealer Please note that the following maintenance intervals apply for normal operating 
    conditions. If your daily working time is longer than normal or cutting conditions 
    are difficult (very dusty work area etc.), shorten the specified intervals accordingly.
    before 
    starting work
    after finishing 
    work or daily
    after each
    refueling stop
    weekly
    monthly
    every 12 months
    if problem
    if damaged
    as required
    Cutting toolsInspectXX
    ReplaceX
    Check tightnessXX
    Metal cutting tools SharpenXX
    Gearbox lubricationCheckX
    ReplenishX
    Safety labels ReplaceX 
    						
    							42 English / USA
    FS 300, FS 350, FS 400, FS 450, FS 480    1Handlebar
      2Handle heating switch
    (Special accessory)
     
      3Throttle trigger
      4Slide control
      5Throttle trigger interlock 
      6Clamp screws
      7Carrying strip
      8Fuel pump
      9Choke knob
    10Filter cover
    11Fuel tank
    12Spark plug boot
    13Decompression valve
    14Muffler
    15Starter grip
    16Carburetor adjusting screws
    17Fuel filler cap
    18Guard plate
    19Cutting tool
    20Deflector
    Parts and Controls
    2
    41
    3
    56
    7
    89
    1011
    256BA077 KN
    16
    1213
    14
    15
    17
    18
    256BA078 KN
    20
    19
    256BA079 KN 
    						
    							43 FS 300, FS 350, FS 400, FS 450, FS 480English / USA
    Definitions1. Handlebar
    For easy control of the machine with 
    both hands during cutting work.
    2. Handle Heating Switch.
    For switching the electric handle 
    heating on and off.
    3. Throttle Trigger
    Controls the speed of the engine.
    4. Slide Control
    For starting throttle, run and stop. 
    Keeps the throttle partially open 
    during starting, switches the 
    engine’s ignition off to stop the 
    engine.
    5. Throttle Trigger Interlock 
    Must be depressed before the 
    throttle trigger can be activated.
    6. Clamp Screws
    Locks handlebar in selected 
    position.
    7. Carrying Strip
    The device to connect the clearing 
    saw to the harness.
    8. Fuel Pump
    Provides additional fuel feed for a 
    cold start.
    9. Choke Knob
    Eases engine starting by enriching 
    mixture.10. Filter cover 
    Encloses and protects the air filter. 
    11. Fuel Tank 
    For fuel and oil mixture.
    12. Spark Plug Boot 
    Connects the spark plug to the 
    ignition lead.
    13. Decompression Valve
    To ease starting.
    14. Muffler
    Reduces exhaust noises and 
    diverts exhaust gases away from 
    operator.
    15. Starter Grip
    The grip of the pull starter, which is 
    the device to start the engine.
    16. Carburetor Adjusting Screws
    For tuning the carburetor.
    17. Fuel Filler Cap
    For closing the fuel tank.18. Guard plate 
    For resting machine on the ground.
    19. Cutting Tool 
    The cutting attachment for different 
    purposes.
    20. Deflector
    The deflector is designed to reduce 
    the risk of injury from foreign objects 
    flung backwards toward the 
    operator by the cutting tool and from 
    contact with the cutting tool. A skirt 
    at the bottom of the deflector must 
    be adjusted as described in the 
    chapter on Cutting tools and 
    Deflectors. 
    						
    							44 English / USA
    FS 300, FS 350, FS 400, FS 450, FS 480 EPA / CEPA:
    The Emission Compliance Period 
    referred to on the Emissions 
    Compliance Label indicates the number 
    of operating hours for which the engine 
    has been shown to meet Federal 
    emission requirements.
    Category:
    A = 300 hours, 
    B = 125 hours, 
    C = 50 hours
    CARB: 
    The Emission Compliance Period used 
    on the CARB-Air Index Label indicates 
    the terms: 
    Extended = 300 hours, 
    Intermediate = 125 hours, 
    Moderate = 50 hoursEngineSTIHL single cylinder two-stroke engine
    Displacement
    FS 300: 1.88 cu.in (30.8 cm
    3)
    FS 350: 2.45 cu.in (40.2 cm3)
    FS 400: 2.45 cu.in (40.2 cm3)
    FS 450: 2.70 cu.in (44.3 cm3)
    FS 480: 2.96 cu.in (48.7 cm3
    Bore
    FS 300: 1.38 in (35 mm)
    FS 350: 1.57 in (40 mm)
    FS 400: 1.57 in (40 mm)
    FS 450: 1.65 in (42 mm)
    FS 480: 1.73 in (44 mm)
    Stroke
    FS 300, 350, FS 400, 450, 480: 
    1.26 in (32 mm)Engine power to ISO 8893
    FS 300: 1.3 kW (1.8 bhp)
    FS 350: 1.6 kW (2.2 bhp)
    FS 400: 1.9 kW (2.6 bhp)
    FS 450: 2.1 kW (2.8 bhp)
    FS 480: 2.2 kW (3.0 bhp)
    Max. engine speed
    FS 300, 350:          12 300 rpm
    FS 400, 450, 480:  12 500 rpm
    Idle speed
    2 800 rpm
    Max. output shaft speed 
    (cutting tool)
    FS 300, 350, 400, 400 L, 450, 450 L, 
    480, 480 L: 8 930 rpm
    FS 400 K, 450 K, 480 K: 8 750 rpm
    Ignition SystemType
    electronic (breakerless) magneto 
    ignition with electronic speed governor
    Spark plug (suppressed)
    Bosch WSR 6 F, NGK BPMR 7 A or 
    Champion RCJ 6 Y (not all markets)
    Electrode gap
    0.02 in (0.5 mm)
    Spark plug thread
    M 14x1.25; 0.37 in (9.5 mm) long
    Rewind StarterStarter rope
    FS 300, FS 350: 
    0.12 in dia. x 33.5 in (Ø 3.0 x 850 mm)
    FS 400, 450, 480: 
    0.12 in dia. x 31.5 in (Ø 3.0 x 800 mm)DimensionsOverall length
    without cutting tool
    FS 300, 350, 400, 450, 480:
    69.5 in (1 765 mm)
    FS 400 K, 450 K, 480 K: 
    64.4 in (1 635 mm)
    FS 400 L, 450 L, 480 L:
    71.9 in (1 825 mm)
    Carburetor
    All position diaphragm carburetor with 
    integral fuel pump
    Air Filter
    Paper filter element
    Fuel tank capacity
    FS 300, 350: 1.35 US pt (0.64l)
    FS 400, 450, 480: 1.42 US pt (0.67l)
    Fuel miture
    see chapter Fuel
    Weight
    without cutting tool and deflector
    FS 300, 350: 15.4 lb (7.0 kg)
    FS 400, 450, 480: 17.6 lb (8.0 kg)
    FS 400 K/L, 450 K/L, 480 K/L: 
    17.8 lb (8.1 kg)
    Specifications 
    						
    							45 FS 300, FS 350, FS 400, FS 450, FS 480English / USA
    Contact your STIHL dealer for 
    information regarding special 
    accessories that may be available for 
    your product.Users of this unit should carry out only 
    the maintenance operations described 
    in this manual. Other repair work may be 
    performed only by authorized STIHL 
    service shops.
    Warranty claims following repairs can be 
    accepted only if the repair has been 
    performed by an authorized STIHL 
    servicing dealer using original STIHL 
    replacement parts.
    Original STlHL parts can be identified by 
    the STlHL part number, the 
    STIHl
     
    logo and, in some cases, by the STlHL 
    parts symbol (. This symbol may 
    appear alone on small parts.
    Special Accessories Maintenance and Repairs  
    						
    							46 English / USA
    FS 300, FS 350, FS 400, FS 450, FS 480Your Warranty Rights and 
    Obligations The U.S. Environmental Protection 
    Agency (EPA) and STIHL Incorporated 
    are pleased to explain the Emission 
    Control System Warranty on your equip-
    ment type engine. In the U.S. new 1997 
    and later model year small off-road 
    equipment engines must be designed, 
    built and equipped, at the time of sale, to 
    meet the U.S. EPA regulations for small 
    non road engines. The equipment 
    engine must be free from defects in 
    materials and workmanship which 
    cause it to fail to conform with U.S. EPA 
    standards for the first two years of 
    engine use from the date of sale to the 
    ultimate purchaser.
    STIHL Incorporated must warrant the 
    emission control system on your small 
    off-road engine for the period of time 
    listed below provided there has been no 
    abuse, neglect or improper maintenance 
    of your small off-road equipment engine.
    Your emission control system includes 
    parts such as the carburetor and the 
    ignition system. Also included may be 
    hoses, and connectors and other 
    emission related assemblies.
    Where a warrantable condition exists, 
    STIHL Incorporated will repair your 
    small off-road equipment engine at no 
    cost to you, including diagnosis (if the 
    diagnostic work is performed at an 
    authorized dealer), parts, and labor.
    Manufacturers Warranty 
    Coverage:In the U.S., 1997 and later model year 
    small off-road equipment engines are 
    warranted for two years. If any emission-
    related part on your engine is defective, 
    the part will be repaired or replaced by 
    STIHL Incorporated free of charge.Owners Warranty 
    Responsibilities:As the small off-road equipment engine 
    owner, you are responsible for the 
    performance of the required mainte-
    nance listed in your owners manual. 
    STIHL Incorporated recommends that 
    you retain all receipts covering 
    maintenance on your small off-road 
    equipment engine, but STIHL 
    Incorporated cannot deny warranty 
    solely for the lack of receipts or for your 
    failure to ensure the performance of all 
    scheduled maintenance.
    Any replacement part or service that is 
    equivalent in performance and durability 
    may be used in non-warranty 
    maintenance or repairs, and shall not 
    reduce the warranty obligations of the 
    engine manufacturer.
    As the small off-road equipment engine 
    owner, you should be aware, however, 
    that STIHL Incorporated may deny you 
    warranty coverage if your small off-road 
    equipment engine or a part has failed 
    due to abuse, neglect, improper mainte-
    nance or unapproved modifications.You are responsible for presenting your 
    small off-road equipment engine to a 
    STIHL service center as soon as a 
    problem exists. The warranty repairs will 
    be completed in a reasonable amount of 
    time, not to exceed 30 days.
    If you have any questions regarding your 
    warranty rights and responsibilities, 
    please contact a STIHL customer 
    service representative at 1-800-467-
    8445 or you can write to 
    STIHL Inc.,
    536 Viking Drive, P.O. Box 2015,
    Virginia Beach, VA 23450-2015.
    Coverage by STIHL IncorporatedSTIHL Incorporated warrants to the 
    ultimate purchaser and each subse-
    quent purchaser that your small off-road 
    equipment engine will be designed, built 
    and equipped, at the time of sale, to 
    meet all applicable regulations. STIHL 
    Incorporated also warrants to the initial 
    purchaser and each subsequent 
    purchaser that your engine is free from 
    defects in materials and workmanship 
    which cause the engine to fail to conform 
    with applicable regulations for a period 
    of two years.Warranty PeriodThe warranty period will begin on the 
    date the utility equipment engine is 
    purchased by the initial purchaser and 
    you have signed and sent back the 
    warranty card to STIHL.
    STIHL Incorporated Federal Emission Control Warranty 
    Statement 
    						
    							47 FS 300, FS 350, FS 400, FS 450, FS 480English / USA
    If any emission related part on your 
    engine is defective, the part will be 
    replaced by STIHL Incorporated at no 
    cost to the owner. Any warranted part 
    which is not scheduled for replacement 
    as required maintenance, or which is 
    scheduled only for regular inspection to 
    the effect of repair or replace as 
    necessary will be warranted for the 
    warranty period. Any warranted part 
    which is scheduled for replacement as 
    required maintenance will be warranted 
    for the period of time up to the first 
    scheduled replacement point for that 
    part.
    DiagnosisYou, as the owner, shall not be charged 
    for diagnostic labor which leads to the 
    determination that a warranted part is 
    defective. However, if you claim 
    warranty for a component and the 
    machine is tested as non-defective, 
    STIHL Incorporated will charge you for 
    the cost of the emission test. Mechanical 
    diagnostic work will be performed at an 
    authorized STIHL servicing dealer. 
    Emission test may be performed either 
    at STIHL Incorporated or at any 
    independent test laboratory. Warranty WorkSTIHL Incorporated shall remedy 
    warranty defects at any authorized 
    STIHL servicing dealer or warranty 
    station. Any such work shall be free of 
    charge to the owner if it is determined 
    that a warranted part is defective.Any manufacturer-approved or 
    equivalent replacement part may be 
    used for any warranty maintenance or 
    repairs on emission-related parts and 
    must be provided without charge to the 
    owner. STIHL Incorporated is liable for 
    damages to other engine components 
    caused by the failure of a warranted part 
    still under warranty.
    The following list specifically defines the 
    emission-related warranted parts: 
    Carburetor
    Choke (Cold start enrichment system)
    Intake manifold
    Air filter 
    Spark plug
    Magneto or electronic ignition system 
    (ignition module)
    Catalytic converter (if applicable)
    Fasteners
    Where to make a claim for 
    Warranty Service Bring the product to any authorized 
    STIHL servicing dealer and present the 
    signed warranty card. Maintenance RequirementsThe maintenance instructions in this 
    manual are based on the application of 
    the recommended 2-stroke fuel-oil 
    mixture (see also instruction Fuel). 
    Deviations from this recommendation 
    regarding quality and mixing ratio of fuel 
    and oil may require shorter maintenance 
    intervals.
    LimitationsThis Emission Control Systems 
    Warranty shall not cover any of the 
    following:
    :repair or replacement required 
    because of misuse, neglect or lack 
    of required maintenance, 
    :repairs improperly performed or 
    replacements not conforming to 
    STIHL Incorporated specifications 
    that adversely affect performance 
    and/or durability, and alterations or 
    modifications not recommended or 
    approved in writing by STIHL 
    Incorporated, 
    and
    :replacement of parts and other 
    services and adjustments 
    necessary for required maintenance 
    at and after the first scheduled 
    replacement point. 
    						
    							48 English / USA
    FS 300, FS 350, FS 400, FS 450, FS 480STIHL Registered TrademarksSTIHL
    ®
    q
    (
    The color combination orange-grey 
    (U.S. Registrations #2,821,860; 
    #3,010,057; and #3,010,058)
    4-MIX
    ®
    AUTOCUT
    ®
    EASYSTART
    ®
    OILOMATIC
    ®
    STIHL Cutquik
    ®
    STIHL DUROMATIC
    ®
    STIHL Farm Boss
    ®
    STIHL Quickstop
    ®
    STIHL ROLLOMATIC
    ®
    STIHL WOOD BOSS
    ®
    TIMBERSPORTS
    ®
    YARD BOSS
    ®
    Some of STIHL’s Common Law 
    TrademarksBioPlus™
    Easy2Start™
    EasySpool™
    ElastoStart™
    Ematic™ / Stihl-E-Matic™
    FixCut™
    HT Plus™
    IntelliCarb™
    Master Control Lever™
    Micro™
    Pro Mark™
    Quad Power™
    Quiet Line™
    STIHL Arctic™
    STIHL Compact™
    STIHL HomeScaper Series™
    STIHL Interchangeable Attachment 
    Series™STIHL Magnum™ / Stihl-Magnum™
    STIHL MiniBoss™
    STIHL MotoPlus 4™
    STIHL Multi-Cut HomeScaper Series™
    Stihl Outfitters™
    STIHL PICCO™
    STIHL PolyCut™
    STIHL PowerSweep™
    STIHL Precision Series™
    STIHL Protech™
    STIHL RAPID™
    STIHL SuperCut™
    STIHL Territory™
    Ta p A c t i o n ™
    TrimCut™
    This listing of trademarks is subject to 
    change.
    Any unauthorized use of these 
    trademarks without the express written 
    consent of 
    ANDREAS STIHL AG & Co. KG, 
    Waiblingen is strictly prohibited.
    Trademarks 
    						
    							49 FS 300, FS 350, FS 400, FS 450, FS 480español / EE.UU
    BA_SE_081_009_31_07.fm Impreso en papel sin cloro.
    Las tintas contienen aceites vegetales,el papel es reciclable. © ANDREAS STIHL AG & Co. KG, 2008 
    0458 255 8621 A. M0.5. B8. Rei. Printed in Germany 
    STIHlContenidoGuía para el uso de este manual  ...  50
    Medidas de seguridad y
    técnicas de manejo  ........................  51
    Combinaciones aprobadas de 
    herramienta de corte, deflector, 
    tope y arnés  ....................................  66
    Montaje del manillar 
    tipo bicicleta  ....................................  68
    Ajuste del cable del acelerador  ......  69
    Montaje de deflectores y 
    tope limitador  ..................................  70
    Montaje de las 
    herramientas de corte .....................  71
    Combustible ...................................  74
    Llenado de combustible  .................  75
    Colocación del arnés  ......................  75
    Equilibrio de la máquina  .................  76
    Arranque / parada
    del motor  ........................................  76
    Instrucciones de manejo  ................  78
    Limpieza del filtro de aire  ...............  79
    Limpieza del filtro de aire  ...............  79
    Manejo del motor  ............................  80Ajuste del carburador  .....................  80
    Manejo durante el invierno  .............  81
    Calefactor eléctrico del mango .......  82
    Revisión de la bujía  ........................  82
    Funcionamiento del motor ..............  83
    Lubricación de la 
    caja de engranajes  .........................  84
    Sustitución de la 
    cuerda de arranque y 
    resorte de rebobinado  ....................  84
    Almacenamiento de la máquina  .....  87
    Afilado de las herramientas de 
    corte metálicas  ...............................  87
    Tabla de mantenimiento  .................  88
    Piezas y controles  ..........................  90
    Especificaciones ............................  92
    Accesorios especiales ....................  93
    Mantenimiento y reparaciones  .......  93
    Declaración de garantía de 
    STIHL Incorporated sobre 
    sistemas de control de emisiones 
    según normas Federales  ...............  94
    Marcas comerciales  .......................  96Permita que solamente las personas 
    que comprenden la materia tratada en 
    este manual manejen su sierra despeja-
    dora. Para obtener el rendimiento y 
    satisfacción máximos de la cortadora 
    de matorrales STIHL, es importante leer 
    y comprender las instrucciones de 
    mantenimiento y las precauciones de 
    seguridad, que empiezan en la página 3, 
    antes de usar la sierra despejadora. 
    Comuníquese con el concesionario o 
    distribuidor de STIHL si no se entiende 
    alguna de las instrucciones dadas en el 
    presente manual.
    !
    Advertencia
    Dado que la sierra despejadora es una 
    herramienta de corte motorizada de 
    gran velocidad, es necesario tomar 
    medidas especiales de seguridad 
    para reducir el riesgo de lesiones. El 
    uso descuidado o inadecuado puede 
    causar lesiones graves e incluso morta-
    les. Asegúrese que su máquina esté 
    equipada con el deflector, mango y 
    arnés adecuados para el tipo de acceso-
    rio de corte que se está utilizando. 
    Siempre protéjase adecuadamente los 
    ojos. La filosofía de STIHL es mejorar 
    continuamente todos su productos. 
    Como resultado de ello, periódicamente 
    se introducen cambios de diseño y 
    mejoras. Si las características de funcio-
    namiento o la apariencia de su sierra 
    despejadora difieren de las descritas en 
    este manual, comuníquese con el 
    concesionario STIHL para obtener la 
    información y ayuda que requiera. 
    						
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