English 3 Overview Symbols used with warnings in the text 3 Overview WARNING Trimmer This symbol indicates dangers that can cause serious injuries or death. ► The measures indicated can avoid serious injuries or death. NOTICE This symbol indicates dangers that can cause damage to property.
Blocks shaft while cutting attachment is being mounted. 8 Starter Grip 25 Screw Plug Serves to crank the engine. Closes filler opening for STIHL gear grease. 9 Carburetor Adjusting Screws # Rating Label with Serial Number For tuning the carburetor.
English 3 Overview Symbols 4 Line Limiting Blade Trims mowing line to correct length. Meanings of symbols that may be on the trimmer and the deflector: 5 Skirt Extends universal deflector for use with a mowing head. This symbol marks the fuel tank. 6 Mowing Head The mowing head contains the mowing line.
English 4 Safety Precautions Maintain safe distance. 4 Safety Precautions 15m (50ft) Warning Signs Do not touch hot surface. 4.1.1 Warning Symbols Meanings of warning signs on the trimmer: 4.1.2 Universal Deflector and Skirt Observe safety notices and take the necessary precautions.
Intended Use supervision of or as instructed by a responsible The STIHL FS 235 trimmer is designed for the following person. applications: – The user is able to recognize and assess the risks –...
English 4 Safety Precautions ■ The user can come into contact with the cutting ► Wear close-fitting safety glasses. Suitable attachment or line limiting blade during cleaning and safety glasses that have been tested and maintenance work. This can result in personal injury. labeled in accordance with EN 166 or national standards are available from ►...
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► Work only with an undamaged trimmer. ► If you have any queries: Contact your STIHL servicing dealer. ► If fuel is leaking from the trimmer: Do not use the trimmer and contact a STIHL dealer for assistance.
► Deburr the cutting edges with a file. ■ Clothing that has been in contact with fuel or gasoline is ► Have the metal cutting attachment balanced by a STIHL more easily flammable. This can result in serious or fatal servicing dealer.
► Use a mixture of gasoline and two-stroke engine oil that ► Work calmly and carefully. is not older than 30 days (STIHL MotoMix: 2 years). ■ The user will not be able to control the trimmer properly if it is operated with the slide control in position Operation This can result in serious injuries.
■ In an emergency, the user may panic and not put the can result in serious injuries and damage to property. carrying system down. This can result in serious injuries. ► Stop work and contact your STIHL dealer for ► Practice removing and putting down the carrying assistance.
English 4 Safety Precautions WARNING 4.11 Storing WARNING ■ These situations can abruptly decelerate or stop rotation of the cutting attachment and cause the cutting ■ Children are not aware of and cannot assess the dangers attachment to be thrown to the right or in the direction of of a trimmer and can be seriously injured.
► If you cannot carry out these steps: Do not use your trimmer and contact your STIHL dealer for assistance. ■ The user can be cut by the sharp cutting edges while cleaning or maintaining cutting attachments. This can result in personal injury.
English 6 Assembling the Trimmer ► Insert and tighten down the screw (3) firmly. The carrying ring need not be removed again. Mounting the Bike Handle ► Shut off the engine. ► Position the control handle (7) and throttle cable (11) over and along the drive tube (5) –...
English 6 Assembling the Trimmer ► Slide the guide slot in the skirt (2) onto the deflector (1) – ► Push the deflector (1) into the guides on the gear housing it must snap into position. as far as stop. ►...
English 6 Assembling the Trimmer Removing and Installing Metal Cutting Attachment 6.6.1 Mounting the Metal Cutting Attachment ► 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.
English 7 Adjusting Trimmer for User Balancing the Trimmer ► Rotate the metal cutting attachment (4) counterclockwise until the stop pin (7) engages in position. The unit is balanced differently depending on the cutting The shaft (6) is now blocked. attachment used.
STIHL recommends you use STIHL MotoMix. Adjusting the Bike Handle If you mix the fuel yourself, use only STIHL two-stroke The bike handle can be set to different positions to suit the engine oil or another high-performance engine oil in accordance with JASO FB, JASO FC, JASO FD, ISO-L- height and reach of the user.
English 9 Starting and Stopping the Engine ► Make sure that the octane number of the gasoline is at least 90 RON and the ethanol content is not more than NOTICE 10%. Bright light, sunlight and extreme temperatures can cause the fuel mix to separate much faster.
English 9 Starting and Stopping the Engine ► Prepare engine for start and then start the engine. When can the engine be started without preparation? The engine can be started without preparation if it has been running for at least 1 minute and only shut down for a short work break.
► Press the trimmer against the ground with your left hand. The engine stops. ► Pull the starter grip slowly with your right hand until you ► Do not use your trimmer and contact your STIHL dealer feel it engage. for assistance.
► Move the choke lever to position delivers optimum power. The engine stops. ► Do not use your trimmer and contact your STIHL dealer 11.2 Holding and Controlling the Trimmer for assistance. There is a malfunction in the slide control.
English 11 Operating the Trimmer 11.4 Sawing ► Hold the trimmer firmly with your right hand on the control handle – wrap your thumb around the handle. ► Support the left side of the deflector against the stem. ► Hold the trimmer firmly with your the left hand on the left ►...
13 Transporting 15.1 Cleaning the Trimmer ► Shut off the engine. ► Allow trimmer to cool down. 13.1 Transporting the Trimmer ► Clean the trimmer with a damp cloth or STIHL resin ► Shut off the engine. solvent. 0458-507-0121-A...
Monthly ► Have fuel tank cleaned by a STIHL servicing dealer. 15.3 Cleaning the Spark Plug ► Have pickup body (filter) in fuel tank cleaned by a STIHL ► Shut off the engine. servicing dealer. ► Allow trimmer to cool down.
STIHL recommends you have metal cutting attachments resharpened and balanced by a STIHL servicing dealer. ► Sharpen the metal cutting attachment as described in the instructions and on the packaging supplied with the cutting attachment you are using.
English 18 Troubleshooting 18 Troubleshooting 18.1 Troubleshooting Trimmer Most malfunctions have the same causes. ► Perform the following operations: ► Replace air filter. ► Clean or replace the spark plug. ► Carry out the standard setting. ► Adjust idle speed. ►...
English 18 Troubleshooting 18.3 Standard Setting ► Shut off the engine. 18.2 Replacing the Air Filter The air filter cannot be cleaned. The air filter must be replaced if there is a loss of engine or the air filter is damaged.
– Vibration level ahv, eq measured according to ISO 22867 – Control handle: 2.9 m/s². – Left handle: 4.3 m/s² Information on compliance with Vibration Directive 2002/44/EC is available at www.stihl.com/vib. 19.3 REACH REACH is an EC regulation and stands for the Registration, Evaluation, Authorisation and Restriction of Chemical substances.
English 20 Combinations of Cutting Attachments, Deflectors and Carrying Systems 20 Combinations of Cutting Attachments, Deflectors and Carrying Systems 20.1 Combinations of Cutting Attachments, Deflectors and Carrying Systems Cutting Attachment Deflector Carrying System – AutoCut C 26-2 mowing head – Universal deflector with –...
The measured and guaranteed sound power levels were accessories. determined according to Directive 2000/14/EC, Annex VIII. STIHL recommends the use of original STIHL replacement – Measured sound power level: 111 dB(A) parts and accessories. – Guaranteed sound power level: 113 dB(A) Original STIHL replacement parts and original STIHL accessories are available from STIHL servicing dealers.