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STIHL FS 235 R
2 - 22
Instruction Manual

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Summary of Contents for Stihl FS 235 R

  • Page 1 STIHL FS 235 R 2 - 22 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

    Accommodates the stop pin. 21 Stop Pin Blocks shaft while cutting attachment is being mounted. 22 Screw Plug Closes filler opening for STIHL gear grease. # Rating Label with Serial Number Deflectors and Cutting Attach‐ 1 Filter Cover Covers the air filter.
  • Page 4: Safety Precautions

    Wear safety glasses, hearing protec‐ tion and a hard hat. Intended Use Wear safety boots. The STIHL FS 235 R trimmer is designed for the following applications: – with a mowing head: Mowing grass – with a grass cutting blade: Mowing grass and...
  • Page 5 – The user must not be under the influ‐ ► If you are using a metal cutting ence of alcohol, medication or drugs. 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 ►...
  • Page 6 ► Work only with an undamaged brushcutter. ► Wear sturdy, closed-toed footwear with ► If fuel is leaking from the trimmer: Do not use the trimmer and contact a STIHL dealer high-grip soles. for assistance. Working Area and Surround‐...
  • Page 7 – If a metal cutting attachment not manufactured The fuel expands and excess pressure can by STIHL is used, it must not be heavier, build up in the tank. Fuel can escape as a thicker, of a different shape, of a lower quality, spray when the fuel tank cap is opened.
  • Page 8 This can result in serious injuries. ► Stop work and contact your STIHL dealer ► Do not touch the cutting attachment. for assistance. ► Start the engine as described in this instruc‐...
  • Page 9 4 Safety Precautions English ► Take regular breaks. arrow). The user can lose control of the trim‐ ► If signs of circulation problems occur: Seek mer. This can result in serious or fatal injuries. medical advice. ► Hold the trimmer firmly with both hands. ■...
  • Page 10: Preparing Trimmer For Operation

    Fitting the Carrying Ring ► If the trimmer or the deflector require servic‐ ► Shut off the engine. 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.
  • Page 11 6 Assembling the Trimmer English Mounting the Loop Handle ► Shut off the engine. ► Push the deflector (1) into the guides on the gear housing as far as stop. ► Insert and tighten down the screws (2) firmly. 6.4.2 Removing the Deflector ►...
  • Page 12 English 6 Assembling the Trimmer Mounting and Removing the Mowing Head 6.6.1 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.
  • Page 13: Adjusting Trimmer For User

    This trimmer requires a fuel mixture of gasoline and two-stroke engine oil., in a ratio of 50:1. STIHL recommends you use STIHL MotoMix. If you mix the fuel yourself, use only STIHL two- stroke engine oil or another high-performance engine oil in accordance with JASO FB, JASO FC, JASO FD, ISO-L-EGB, ISO-L-EGC or ISO-L- EGD.
  • Page 14: Starting And Stopping The Engine

    English 9 Starting and Stopping the Engine engine oil in order to maintain emission limits over the machine’s service life. ► Make sure that the octane number of the gas‐ oline is at least 90 RON and the ethanol con‐ tent is not more than 10%.
  • Page 15 9 Starting and Stopping the Engine English ► Press the manual fuel pump bulb (1) at least ► Move the slide control (3) to position five times. and hold it there. ► Move the choke lever (2) to position ► Release the throttle trigger (5) and lockout ►...
  • Page 16: Testing The Trimmer

    ► Shut off the engine. ► 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 NOTICE assistance. There is a malfunction in the throttle trigger ■...
  • Page 17: After Finishing Work

    12 After Finishing Work English If you are using a metal cutting attachment: Automatic feed does not operate if the mowing ► Hold the trimmer firmly with your right hand on lines are shorter than 25 mm. the control handle – wrap your thumb around ►...
  • Page 18: Storing

    ► Shut off the engine. Monthly ► Allow trimmer to cool down. ► Have fuel tank cleaned by a STIHL servicing ► Clean the trimmer with a damp cloth or STIHL dealer. resin solvent. ► Have pickup body (filter) in fuel tank cleaned ►...
  • Page 19: Repairing

    ► Screw the tube (1) of STIHL gear grease ► Back off the screw (3) 1.5 turns counterclock‐ into the filler hole. wise. ► Squeeze 5 g of STIHL gear grease into the The engine idles and the throttle cable adjust‐ gear housing. ment is correct.
  • Page 20 English 18 Troubleshooting Condition Cause Remedy Engine stops while Carburetor is iced up. ► Allow trimmer to warm up to +10°C. idling 18.2 Replacing the Air Filter ► Turn the low speed screw (L) clockwise as far as stop. The air filter cannot be cleaned. The air filter ►...
  • Page 21: Specifications

    REACH 19 Specifications REACH is an EC regulation and stands for the 19.1 STIHL FS 235 R Trimmer Registration, Evaluation, Authorisation and Restriction of Chemical substances. – Displacement: 36.3 cc – Engine power to ISO 8893: 1.55 kW (2.1 bhp)
  • Page 22: Spare Parts And Accessories

    STIHL acces‐ 2000/14/EC, Annex VIII. sories. – Measured sound power level: 111 dB(A) STIHL recommends the use of original STIHL – Guaranteed sound power level: 113 dB(A) spare parts and accessories. The technical documents are stored at Despite ongoing market observation, STIHL is ANDREAS STIHL AG &...
  • Page 23 23 EC Declaration of Conformity English 0458-500-0121-B...
  • Page 24 *04585000121B* 0458-500-0121-B...

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