Stihl FS 311 Instruction Manual
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Stihl FS 311 Instruction Manual

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STIHL FS 311
2 - 36
Instruction Manual

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  • Page 1 STIHL FS 311 2 - 36 Instruction Manual...

  • Page 2: Table Of Contents

    Please contact your dealer or our sales company Engineering improvements if you have any queries concerning this product. STIHL's philosophy is to continually improve all Your of its products. For this reason we may modify the design, engineering and appearance of our products periodically.
  • Page 3 User Manual may that are explicitly approved for this power tool cause serious or even fatal injury. model by STIHL or are technically identical. If Observe all applicable local safety regulations, you have any questions in this respect, consult e.g.
  • Page 4 (e. g. leather). This helps reduce the risk of unit vibrations caus‐ STIHL can supply a comprehensive range of per‐ ing an incorrectly tightened fuel cap to loosen or sonal protective equipment. come off and spill quantities of fuel.
  • Page 5 – coasting adjustments or repairs. STIHL recommends you effect! have this work done by a STIHL servicing dealer. Check engine idling: The cutting attachment Take special care in slippery conditions – damp, must remain at a standstill when the engine idles snow, ice, on slopes or uneven ground.
  • Page 6 English 2 Safety Precautions and Working Techniques Check the work site – rocks, metal Work calmly and carefully – in daylight conditions objects etc. could get caught up and and only when visibility is good. Proceed with ejected – potentially beyond a dis‐ caution, do not put others in danger.
  • Page 7 (shape, thickness). For manually adjustable mowing heads, always switch off the engine before adjusting the mow‐ A metal cutting attachment not made by STIHL ing line – risk of injury! must not have a different weight, thickness,...
  • Page 8 Deflector must not be used with circu‐ lar saw blades. Use only a spark plug of the type approved by STIHL and make sure it is in good condition – see "Specifications". 2.13 Harness / Strap Inspect the ignition lead (insulation in good con‐...
  • Page 9 WARNING Never use wire in place of the nylon mowing line – risk of injury. 2.16 STIHL Polycut Mowing Head with Polymer Blades For mowing unobstructed edges of meadows (without posts, fences, trees or similar obsta‐ cles).
  • Page 10 English 2 Safety Precautions and Working Techniques 2.18 Grass Cutting Blade WARNING Never use wire in place of the nylon mowing line – risk of injury. 2.17 Risk of Kickout (Blade Thrust) with Metal Cutting Attachments WARNING When using metal cutting attach‐ ments there is a risk of kickout when the rotating blade comes into contact with a solid object such as a tree...
  • Page 11 – Resharpen the shredder blade regularly and from thrown parts. whenever it has dulled noticeably, and have it balanced if necessary (STIHL recommends a To reduce the risk of injury it is essential to take STIHL servicing dealer). the following precautions: –...

  • Page 12: Approved Combinations Of Cutting Attachment, Deflector, Limit Stop And Harness

    These areas of the blade should only be used by experienced operators with specialized training. STIHL recommends that you use the non-sha‐ ded area of the circular saw blade. Always start the cut with this area of the blade.

  • Page 13: Mounting The Bike Handle

    No other combinations are permitted because of Mounting the Bike Handle the risk of accidents. Cutting attachments 3.2.1 Mowing heads 1 STIHL SuperCut 40‑2 2 STIHL AutoCut 40‑2 3 STIHL AutoCut 46‑2 4 STIHL TrimCut 41‑2 5 STIHL DuroCut 40‑4 6 STIHL PolyCut 41‑3 3.2.2...
  • Page 14 English 4 Mounting the Bike Handle ► Place the handlebar (4) in the lower clamp ► Take out the screw (5), the nut (6) remains in molding (1) so that distance A is no more than the control handle (7). 15 cm (6 in).

  • Page 15: Adjusting The Throttle Cable

    5 Adjusting the Throttle Cable English ► Loosen the wing screw (3) and unscrew it until WARNING the handlebar (7) can be rotated. ► Rotate the handlebar 90° counterclockwise Deflector (1) is approved for mowing heads only and then swing the handles down. and must therefore be mounted before fitting a ►...

  • Page 16: Mounting The Cutting Attachment

    Have this work performed by your servicing mounted before fitting a circular saw blade. It is dealer. STIHL recommends a STIHL servicing also necessary to change the guard ring (5), see dealer.
  • Page 17 7 Mounting the Cutting Attachment English Mounting the Thrust Plate and WARNING Guard Washer Never use a thrust plate without the guard washer. Always replace a thrust plate if the guard washer is missing. Cleaning Gearbox Mounting Hardware for Cutting Attach‐ ment ►...
  • Page 18 English 7 Mounting the Cutting Attachment 7.10 Removing and Installing Metal ► Rotate shaft or cutting attachment until the stop pin slips into position and blocks the Cutting Attachments shaft. Keep the leaflet and packaging of the metal cut‐ Mounting the Cutting Attach‐ ting attachment in a safe place.
  • Page 19 7 Mounting the Cutting Attachment English 7.12 Mounting Shredder Blade 270-2 Notice on new machines that come standard with a mowing head only: In addition to the "shredder blade mounting kit", a "shredder blade retrofit kit" is required to mount a shredder blade. Kits are available from your servicing dealer.
  • Page 20 Change the guard ring. Recommendation: The guard ring must be mounted with particular care. Have this work per‐ formed by your servicing dealer. STIHL recom‐ mends a STIHL servicing dealer. Cutting edges of circular saw blades must point clockwise.

  • Page 21: Fuel

    WARNING 8.2.2 Engine Oil If the mounting nut has become too loose, fit a If you mix the fuel yourself, use only STIHL two- new one. stroke engine oil or another high-performance engine oil in accordance with JASO FB, JASO...

  • Page 22: Fueling

    30 days. Exposure to light, the sun, low or high temperatures can quickly make the fuel mix unusable. STIHL MotoMix may be stored for up to 2 years without any problems. ► Thoroughly shake the mixture in the canister before fueling your machine.

  • Page 23: Fitting The Full Harness

    10 Fitting the Full Harness English 11.1 Mowing attachments ► Turn the cap clockwise as far as stop and tighten it down as firmly as possible by hand. 10 Fitting the Full Harness Mowing heads, grass cutting blades and brush knives and shredder blades should just touch the ground.

  • Page 24: Starting / Stopping The Engine

    English 12 Starting / Stopping the Engine 12 Starting / Stopping the 12.2 Starting the Engine Engine 12.1 Controls ► Press the manual fuel pump bulb (9) at least five times – even if the bulb is already filled with fuel. ►...
  • Page 25 12 Starting / Stopping the Engine English 12.2.2 As soon as the engine runs ► Place the unit on the ground: It must rest securely on the engine support and the deflec‐ ► Press down the throttle trigger lockout and tor.

  • Page 26: Transporting The Unit

    English 13 Transporting the Unit Fuel tank run until completely dry ► After refueling, press the manual fuel pump bulb at least five times – even if the bulb is already filled with fuel. ► Set the choke knob to suit the engine temper‐ ature.
  • Page 27 13 Transporting the Unit English ► Disconnect wire rod from the transport guard. ► Fit the transport guard on the cutting attach‐ ment from below. ► Swing wire rod outwards. ► Hook wire rod to the transport guard. ► Fit transport guard on saw blade from below, ►...

  • Page 28: Operating Instructions

    English 14 Operating Instructions 13.5 Universal Transport Guard 14.2 During Operation After a long period of full throttle operation, allow the engine to run for a short while at idle speed so that engine heat can be dissipated by the flow of cooling air.

  • Page 29: Spark Plug

    – or sooner if the electrodes are badly eroded. Install only suppressed spark plugs of Arcing may occur if the adapter nut (1) is loose the type approved by STIHL – see "Specifica‐ or missing. Working in an easily combustible or tions".

  • Page 30: Sharpening Metal Cutting Blades

    In case of more serious wear or nicks: Resharpen with a grinder or have the work done by a dealer – STIHL recommends a STIHL servicing dealer. ► Sharpen frequently, take away as little metal as possible –...
  • Page 31 20 Maintaining the Mowing Head English The blade on the deflector trims overlong lines to STIHL DuroCut, STIHL PolyCut the correct length. WARNING STIHL AutoCut ► With the engine running, hold the rotating To reduce the risk of injury, always shut off the mowing head above the grass surface.

  • Page 32: Maintenance And Care

    English 21 Maintenance and Care 21 Maintenance and Care The following intervals apply for normal operating conditions. The specified intervals must be short‐ ened accordingly when working for longer than nor‐ mal or under difficult cutting conditions (extensive dust, etc.). Complete machine Visual inspection (condi‐...

  • Page 33: Minimize Wear And Avoid Damage

    Metal cutting tools sharpen Safety information label replace 1)STIHL recommends STIHL dealers2)Only if there is a noticeable loss of engine power 22 Minimize Wear and Avoid STIHL recommends that you have servicing and Damage repair work carried out exclusively by an author‐...

  • Page 34: Main Parts

    English 23 Main Parts – Filters (air, fuel) – Rewind starter – Spark plug – Antivibration elements 23 Main Parts 1 Mowing head 2 Deflector for mowing heads only 3 Blade 1 Tank cap 2 Carburetor adjusting screws 3 Starter grip 4 Metal mowing attachment 4 Manual fuel pump 5 Deflector (for metal mowing attachments...

  • Page 35: Specifications

    24 Specifications 24.6.3 Vibration level a to ISO 22867 hv,eq 24.1 Engine Handle, left Handle, right STIHL single cylinder four-stroke engine with with mowing head: 2.2 m/s 2.8 m/s mixture lubrication with metal tool: 2.9 m/s 2.9 m/s Displacement: 36.3 cc The K‑factor in accordance with Directive...

  • Page 36: Disposal

    Done at Waiblingen, 03.02.2020 ANDREAS STIHL AG & Co. KG Dr. Jürgen Hoffmann STIHL products must not be thrown in the gar‐ bage can. Take the product, accessories and Head of Product Data, Regulations and Licens‐ packaging to an approved disposal site for envi‐...
  • Page 37 27 EC Declaration of Conformity English 0458-433-0121-B...
  • Page 38 English 27 EC Declaration of Conformity 0458-433-0121-B...
  • Page 39 27 EC Declaration of Conformity English 0458-433-0121-B...
  • Page 40 *04584330121B* 0458-433-0121-B...

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