STIHL expressly commit themselves to a sus‐ tainable and responsible handling of natural resources. This user manual is intended to help you use your STIHL product safely and in an environmentally friendly manner over a long service life. We thank you for your confidence in us and hope you will enjoy working with your STIHL product.
24 Screw plug The manual fuel pump eases engine starts. The screw plug closes the filler opening for 4 Shutter STIHL gear grease. Serves to select summer or winter operating 25 Stop pin mode. The stop pin blocks the shaft while a cutting 5 Cover attachment is being mounted.
English 4 Safety Precautions Icons Meanings of symbols that may be on the trimmer and the deflector: This icon denotes the fuel tank. This symbol denotes the manual fuel pump. Shutter is in winter mode in this position. Shutter is in summer mode in this position. Engine is operated or started with the choke control in this position.
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Do nit use this deflector for brush kni‐ ves. Intended Use The STIHL FS 511 or FS 561 trimmer is Do not use this deflector for shredder designed for the following applications: blades. – with a mowing head: Mowing grass –...
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– The user must not be under the influence attachment: Wear steel-toed safety of alcohol, medication or drugs. boots. ► If you have any queries: Contact a STIHL servicing dealer for assistance. ► Wear long trousers made from resistant ■ The trimmer’s ignition system produces an material.
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► If the controls do not function properly: Do ing debris. This may result in serious injury to not use your brushcutter. bystanders, children and animals and damage ► Fit genuine STIHL accessories for this brush‐ to property. cutter. ► Do not allow bystanders, ►...
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The – If a metal cutting attachment not manufactured escaping fuel can ignite. This can result in by STIHL is used, it must not be heavier, serious injuries. thicker, of a different shape, of a lower quality, ►...
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► Do not touch the cutting attachment. injury to people and damage to property. ► Start the engine as described in this instruc‐ ► Stop work and consult a STIHL servicing tion manual. dealer. ■ In certain situations, the user may no longer ■...
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English 4 Safety Precautions 4.10 Transporting and the cutting attachment may be damaged. Sparks can cause fires in a flammable envi‐ WARNING ronment. Persons may be seriously or fatally injured and property may be damaged. ■ The gearbox can get hot during operation. ►...
► Do not attempt to service or repair the trim‐ mer or deflector. ► If the trimmer or the deflector require servic‐ ing or repairs: Contact your STIHL servicing dealer for assistance. ► Maintain the cutting attachment as described in the User Manual supplied with the cutting attachment being used or on the cutting ►...
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► If the holder for the guard has not yet been fit‐ The shaft (3) is now blocked. ted to the shaft: Have the holder fitted by a ► Tighten down the mowing head (1) firmly by STIHL dealer. hand. ► Remove the stop pin (4). 6.3.2 Removing the Mowing Head ►...
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6 Assembling the Trimmer English ► Place the thrust plate (5) on the shaft (6) so ► Place the thrust plate (5) on the shaft (6) so that its smaller diameter faces up. that its smaller diameter faces up. ► Place the metal cutting attachment (4) on the ►...
Brushcutter Mixing fuel The fuel required for this trimmer is a mixture of gasoline and two-stroke engine oil, in a mixing ratio of 1:50. STIHL recommends you use STIHL MotoMix. 0458-856-0121-A. VA0.B21.
9 Starting and Stopping the Engine English If you mix the fuel yourself, use only STIHL two- NOTICE stroke engine oil or another high-performance ■ Bright light, sunlight and extreme tempera‐ engine oil in accordance with JASO FB, JASO tures can cause the fuel mix to separate much FC, JASO FD, ISO-L-EGB, ISO-L-EGC or ISO-L- faster.
English 10 Testing the Trimmer ► If the trigger can be pulled: Do not use your trimmer and contact your STIHL dealer for assistance. The throttle trigger lockout is defective. ► Press the throttle trigger lockout and keep pressed. ► Depress the throttle trigger.
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The trimmer adjusts itself automatically for opti‐ ► If the engine stops repeatedly: Do not use mum performance during operation. Calibration your trimmer and contact your STIHL servicing enables the trimmer to be adjusted faster for dealer for assistance. optimum performance.
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English 11 Operating the Trimmer 11.4 Holding and Controlling the 11.6 Thinning with a brush knife or Brushcutter shredder blade ► Dip the metal cutting attachment into the ► Hook the carrying strip (2) onto the carabi‐ ner (1). thicket from above. ►...
► Shut off the engine. ► Allow trimmer to cool down. ► Allow trimmer to cool down. ► Clean the trimmer with a damp cloth or STIHL ► If the brushcutter is wet: Allow the brushcutter resin solvent. to dry.
17.1 Repairing the Trimmer and into the filler hole. Cutting Attachment ► Squeeze 5 g of STIHL gear grease into the gear housing. The trimmer and cutting attachment cannot be ► Unscrew the tube (1) of STIHL gear grease. repaired by the user.
► Install cover (2) and tighten screw (1). 18.3 Venting the Combustion Cham‐ 19 Specifications 19.1 Brushcutter STIHL FS 511 C-M – Displacement: 51.6 cm³ – Engine power to ISO 8893: 2.4 kW (3.3 bhp) at 9,500 rpm – Idle speed : 2,500 rpm –...
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ISO 22868: 114 dB(A). The CO value measured in the EU type approval – Vibration level a measured according to procedure is specified at www.stihl.com/co2. ISO 22867: – Control handle: 3.7 m/s². The measured CO value was determined on a –...
STIHL dealers. declare under our sole responsibility that – Category: Brushcutter 22 Disposal – Manufacturer's brand: STIHL – Type: FS 511 C-M, FS 561 C-M 22.1 Disposing of Trimmer – Serial number: 4148 Contact your STIHL servicing dealer for informa‐...
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– Measured sound power level: 116 dB(A) – Guaranteed sound power level: 118 dB(A) The technical documents are stored at ANDREAS STIHL AG & Co. KG Produktzulas‐ sung. The year of manufacture, country of manufacture and serial number are specified on the rating plate of the brushcutter.
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23 EC Declaration of Conformity English 0458-856-0121-A. VA0.B21.
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English 23 EC Declaration of Conformity 0458-856-0121-A. VA0.B21.
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23 EC Declaration of Conformity English 0458-856-0121-A. VA0.B21.
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