Stihl FS 491 C-M Instruction Manual
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Stihl FS 491 C-M Instruction Manual

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STIHL FS 491 C-M
2 - 23
Instruction Manual

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Summary of Contents for Stihl FS 491 C-M

  • Page 1 STIHL FS 491 C-M 2 - 23 Instruction Manual...

  • Page 2: Table Of Contents

    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.

  • Page 3: Overview

    The manual fuel pump eases engine starts. 24 Screw plug 4 Shutter The screw plug closes the filler opening for Serves to select summer or winter operating STIHL gear grease. mode. 25 Stop pin 5 Cover The stop pin blocks the shaft while a cutting Covers the spark plug.

  • Page 4: Safety Precautions

    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.
  • Page 5 Do nit use this deflector for brush kni‐ ves. Intended Use The STIHL FS 491 C-M trimmer is designed for Do not use this deflector for shredder the following applications: blades. – with a mowing head: Mowing grass –...
  • Page 6 – The user must not be under the influ‐ ence of alcohol, medication or drugs. ► Wear long trousers made from resistant ► If you have any queries: Contact a STIHL material. servicing dealer for assistance. ■ When mounting and dismounting the cutting ■...
  • Page 7 ► Work only with an undamaged brushcutter. ► If fuel is leaking from the trimmer: Do not ■ If they are in an unsafe condition, parts of the use the trimmer and contact a STIHL dealer mowing head or mowing lines may come off for assistance.
  • Page 8 – If a metal cutting attachment not manufactured spray when the fuel tank cap is opened. The by STIHL is used, it must not be heavier, escaping fuel can ignite. This may result in thicker, of a different shape, of a lower quality, serious injury to the user.
  • Page 9 ► Stop work and consult a STIHL servicing ► Keep calm and plan your work. dealer. ► If light and visibility are poor: Do not use ■...
  • Page 10 English 4 Safety Precautions ► Take breaks. ► Hold the trimmer firmly with both hands. ► If signs of a circulatory disturbance occur: ► Use the working techniques described in Consult a doctor. this instruction manual. ■ If the cutting attachment makes contact with a ►...

  • Page 11: Preparing Trimmer For 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 descri‐ bed in the User Manual supplied with the ►...
  • Page 12 English 6 Assembling the Trimmer ► Insert the stop pin in the bore as far as stop The bike handle can be left on the shaft. and hold it depressed. Removing the Deflector and ► Rotate the mowing head until the stop pin engages in position.

  • Page 13: Adjusting Trimmer For User

    7 Adjusting Trimmer for User English Adjusting Trimmer for User 6.4.2 Mounting Shredder Blade ► Shut off the engine. Fitting and Adjusting the Full Harness ► Putting on the Full harness (1). ► Adjust the full harness (1) so that the carabi‐ ner (2) is about a hand’s width below your right hip.

  • Page 14: Mixing Fuel And Refueling The Brushcutter

    ► Do not top up with fuel stored for more than STIHL recommends you use STIHL MotoMix. 30 days (STIHL MotoMix: 5 years). If you mix the fuel yourself, use only STIHL two- ► When topping up, ensure that no fuel is spil‐ stroke engine oil or another high-performance...

  • Page 15: Testing The Trimmer

    ► Pull the starter grip slowly with your right hand ► If the trigger can be pulled: Do not use your until you feel it engage. trimmer and contact your STIHL dealer for ► Pull the starter grip quickly and allow the assistance.

  • Page 16: Operating The Trimmer

    The engine runs and the choke lever remains with plastic webbing. The accessories and User Manual are available from a STIHL servicing in position dealer. ► Run the engine for at least 30 seconds but no more than 60 seconds (A) without depressing the throttle trigger.
  • Page 17 ► If the engine stalls: Make another attempt to calibrate the trimmer. ► If the engine stops repeatedly: Do not use your trimmer and contact your STIHL servicing dealer for assistance. The brushcutter is defective. ► As soon as the engine speed drops noticeably (C): Release the throttle trigger.

  • Page 18: After Finishing Work

    English 12 After Finishing Work ► Clean the deflector. ► Do not lift metal cutting tool above waist ► Clean the cutting attachment. height. ► If a metal cutting attachment is mounted: Fit 11.7 Saws with a circular saw blade the matching transport guard.

  • Page 19: Cleaning

    ► Screw in the tube of STIHL gear lubri‐ ► Allow trimmer to cool down. cant (1). ► Clean the trimmer with a damp cloth or STIHL ► Squeeze 5 g of STIHL gear grease into the resin solvent. gear housing.
  • Page 20 Throttle cable is not ► Adjust the throttle cable. correctly adjusted. The engine switches The pickup body is ► Contact a STIHL servicing dealer. off although there is not located in the still fuel in the fuel right place. tank.

  • Page 21: Specifications

    The CO value measured in the EU type approval – FS 491 C-M: 9.3 kg – FS 491 C-M L: 9.4 kg procedure is specified at www.stihl.com/co2. Length without cutting attachment: The measured CO value was determined on a –...

  • Page 22: Spare Parts And Accessories

    Improper disposal can be harmful to health and 2000/14/EC, Annex V. pollute the environment. – Measured sound power level: 115 dB(A) ► Take STIHL products including packaging to a – Guaranteed sound power level: 117 dB(A) suitable collection point for recycling in accord‐ ance with local regulations.

  • Page 23: Ukca Declaration Of Conformity

    24 UKCA Declaration of Conformity English – Guaranteed sound power level: 117 dB(A) The technical documents are stored at ANDREAS STIHL AG & Co. KG Produktzulas‐ The technical documents are stored at sung. ANDREAS STIHL AG & Co. KG. The year of manufacture, country of manufacture...
  • Page 24 *04588440101A* 0458-844-0101-A...

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