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 4 Air filter The screw plug closes the filler opening for The air filter filters the air entering the engine. STIHL gear grease. 5 Manual fuel pump 25 Gear housing The manual fuel pump makes it easier to start The gear housing encloses the gearbox.
English 4 Safety Precautions Shutter is in winter mode in this position. 30 Coupling sleeve Connects flexible drive tube to rigid drive tube. Shutter is in summer mode in this position. # Rating plate with machine number The engine is operated with the choke Deflectors and Cutting Attach‐...
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Deflector for mowing heads Intended Use Meanings of warning signs and labels on the The STIHL FR 410 C and FR 480 C backpack deflector for mowing heads: brushcutters are designed for the following appli‐ Use this deflector for mowing heads.
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► Wear robust footwear. ence of alcohol, medication or drugs. ► If you are using a metal cutting attachment: Wear steel-toed safety ► If you have any queries: Contact a STIHL boots. servicing dealer for assistance. ■ The trimmer’s ignition system produces an ►...
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– The wear limits are not exceeded. ► If fuel is leaking from the trimmer: Do not WARNING use the trimmer and contact a STIHL dealer for assistance. ■ If they are in an unsafe condition, parts of the ► Close the fuel tank cap.
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4 Safety Precautions – If a metal cutting attachment not manufactured escaping fuel can ignite. This may result in by STIHL is used, it must not be heavier, serious injury to the user. thicker, of a different shape, of a lower quality, ►...
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This may result in serious and be seriously injured. injury to people and damage to property. ► Keep calm and plan your work. ► Stop work and consult a STIHL servicing ► If light and visibility are poor: Do not use dealer. your trimmer.
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English 4 Safety Precautions Reactive forces 4.11 Storing WARNING ■ Children are not aware of and cannot assess the dangers of a trimmer and can be seriously injured. ► Shut off the engine. ► If a metal cutting attachment is mounted: Fit the transport guard.
5 Preparing Trimmer for Operation English ► 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 cutting attachment being used or on the cutting attachment’s packaging.
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English 6 Assembling the Trimmer ► Fit clamp (4) in the loop handle (3). ► Push the deflector (1) into the guides on the ► Place the loop handle (3) with clamp (4) on the gear housing up to the limit stop. shaft (5).
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6 Assembling the Trimmer English Mounting and Removing the Mowing Head 6.7.1 Mounting the Mowing Head ► Shut off the engine. ► Place the thrust plate (2) on the shaft (3) so that its smaller diameter faces up. ► Fit the mowing head (1) on the shaft (3) and turn it counterclockwise by hand.
► Thoroughly mix the fuel. STIHL recommends you use STIHL MotoMix. ► Do not top up with fuel stored for more than If you mix the fuel yourself, use only STIHL two- 30 days (STIHL MotoMix: 5 years). stroke engine oil or another high-performance ►...
9 Starting and Stopping the Engine English ► Fit the fuel tank cap on the tank opening. NOTICE ► Turn the tank cap clockwise and tighten it down firmly by hand. ■ The brushcutter can be damaged if pressed The fuel tank is closed. into the ground with your foot or knee.
► Attempt to pull the trigger without depressing the lockout lever. ► If the trigger can be pulled: Do not use your trimmer and contact your STIHL dealer for ► Take out the screw (1). assistance. ► Pull out the shutter (2).
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11 Operating the Trimmer English 11.5 Thinning with a brush knife ► Fit the shutter. ► Fit the screw (1). 11.3 Holding and Controlling the Trimmer ► Dip the metal cutting attachment into the thicket from above. ► Do not lift metal cutting tool above waist height.
The spool is empty. ► Shut off the engine. 12 After Finishing Work ► Allow trimmer to cool down. ► Clean the trimmer with a damp cloth or STIHL 12.1 When Work is Finished resin solvent. ► Shut off the engine.
► Completely pull out the flexible shaft (6). cant (1). ► If the flexible shaft (6) has turned blue: ► Squeeze 5 g of STIHL gear grease into the Replace the flexible shaft (6). gear housing. ► Lubricate the flexible shaft (6) with an even ►...
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► Adjust the throttle cable. reach maximum ment is not correct. speed. 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.
– Vibration level a measured according to 19 Specifications ISO 22867: – Control handle: 3.3 m/s². 19.1 STIHL FR 410, FR 480 brush‐ – Left handle: 3.5 m/s². cutter Using with a metal cutting attachment FR 410: FR 410: – Displacement: 41.6 cm³...
– Brush knife 250-3 (250 mm dia.) – Universal deflector without – required skirt 21 Approved Power Tool STIHL recommends the use of original STIHL Attachments spare parts and accessories. Despite ongoing market observation, STIHL is 21.1 Approved Power Tool Attach‐...