Stihl FS 250 Instruction Manual
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Stihl FS 250 Instruction Manual

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STIHL FS 250, 250 R
Instruction Manual

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  • Page 1 STIHL FS 250, 250 R Instruction Manual...

  • Page 3: Table Of Contents

    Storing the Machine Sharpening Metal Cutting Blades Maintaining the Mowing Head Inspection and Maintenance by User This instruction manual is protected by copyright. All rights reserved, especially the rights to reproduce, translate and process with electronic systems. FS 250, FS 250 R...

  • Page 4: Guide To Using This Manual

    When the power tool is not in use, shut it off so that it does not endanger others. Secure it against unauthorized use. Intake air: Winter operation The user is responsible for avoiding injury to third parties or damage to their property. Handle heating FS 250, FS 250 R...
  • Page 5 Only use cutting attachments and Wear heavy-duty work accessories that are explicitly approved gloves made of durable for this power tool model by STIHL or material (e.g. leather). are technically identical. If you have any questions in this respect, consult a...
  • Page 6 English STIHL offers a comprehensive range of Transporting by vehicle: Properly secure Before Starting personal protective clothing and your power tool to prevent turnover, fuel equipment. spillage and damage. Check that your power tool is properly assembled and in good condition – refer...
  • Page 7 Hold the unit / stop switch to STOP or 0. securely. The cutting attachment must be clear of the ground and all other obstructions because it may begin to run when the engine starts. FS 250, FS 250 R...
  • Page 8 – do not run the engine Be particularly alert and cautious when unnecessarily, accelerate the engine wearing hearing protection because only when working. your ability to hear warnings (shouts, alarms, etc.) is restricted. FS 250, FS 250 R...
  • Page 9 Do not continue using or attempt to Clean grass and plant residue off the STIHL recommends the use of original repair damaged or cracked cutting cutting attachment mounting at regular STIHL metal cutting attachments. They attachments by welding, straightening or intervals –...
  • Page 10 Maintenance and Repairs Use only a spark plug of the type To reduce the risk of injury, a metal approved by STIHL and make sure it is cutting attachment not manufactured by Service the machine regularly. Do not in good condition – see "Specifications".
  • Page 11 Deflector must not be used with circular saw STIHL Polycut Mowing Head with blades. Polymer Blades For mowing unobstructed edges of meadows (without posts, fences, trees or similar obstacles). FS 250, FS 250 R...
  • Page 12 Brush Knife For cutting matted grass, wild growth and scrub and thinning young stands with a stem diameter of no more than 2 cm – do not cut thicker stems – risk of accidents. FS 250, FS 250 R...
  • Page 13 To cut wild growth and scrub, lower the Suitable for cutting shrubs and trees with STIHL recommends that you use the brush knife down onto the growth to a maximum stem diameter of 4 cm. non-shaded area of the circular saw achieve a shredding effect –...

  • Page 14: Approved Combinations Of Cutting Attachment, Deflector, Handle And Harness

    English Approved Combinations of Cutting Attachment, Deflector, Handle and Harness Cutting Attachment Deflector, Limit Stop Handle Harness FS 250, FS 250 R...

  • Page 15: Approved Power Tool Attachments

    (250 mm dia.) Attachments Select correct combination from the 15 Scratcher tooth circular saw blade The following STIHL attachment may be table according to the cutting mounted to the basic power tool: attachment you intend to use. (200 mm dia.)

  • Page 16: Mounting The Bike Handle

    Place the clamp (7) on the handle support. Insert the screws (8) through the holes in the parts and screw them into the clamp (3) as far as stop. Line up the handlebar. Tighten down the screws firmly. FS 250, FS 250 R...

  • Page 17: Mounting The Loop Handle

    Insert the screw (1) and tighten it down firmly. Fitting the Throttle Cable NOTICE Do not kink the throttle cable or lay it in tight radii – make sure the throttle trigger moves freely. FS 250, FS 250 R...
  • Page 18 If no Go to "Securing the Loop Handle". barrier bar is fitted – lock the nuts if necessary. The sleeve (9) (not fitted on all models) must be between the loop handle and the control handle. FS 250, FS 250 R...

  • Page 19: Adjusting The Throttle Cable

    Fit the M5x14 screw. Line up the carrying ring. Tighten down the screw firmly. Press down the trigger lockout (1) and squeeze the throttle trigger (2) (full throttle position) – this sets the throttle cable correctly. FS 250, FS 250 R...

  • Page 20: Mounting The Deflector

    Insert the screws (7) and tighten Insert the stop pin into the hole in them down firmly. the skirt and use it to push the skirt to the left. Pull the skirt off the deflector. FS 250, FS 250 R...

  • Page 21: Mounting The Cutting Attachment

    Pull the hose (1) off the shaft (2). Machine supplied with mounting Machine supplied without mounting hardware hardware Mowing heads and metal cutting attachments may be mounted. Only mowing heads may be used which mount directly to the shaft (2). FS 250, FS 250 R...
  • Page 22 Removing the Mowing Head Deflector". one-sided wear. The cutting edges of cutting Block the shaft. attachments 1, 3, 6 and 7 must point Unscrew the mowing head clockwise. clockwise. FS 250, FS 250 R...

  • Page 23: Fuel

    Removing the Metal Cutting Attachment gasoline vapor. STIHL MotoMix WARNING Wear protective gloves to reduce the STIHL recommends the use of STIHL risk of direct contact with the sharp MotoMix. This ready-to-use fuel mix cutting edges. contains no benzol or lead, has a high Block the shaft.

  • Page 24: Fueling

    Engine Oil can quickly make the fuel mix unusable. If you mix the fuel yourself, use only STIHL MotoMix may be stored for up to STIHL two-stroke engine oil or another 2 years without any problems. high-performance engine oil in...

  • Page 25: Fitting The Harness

    "Balancing the Machine". Put on the shoulder strap (1). Adjust the length of the strap so that the carabiner (2) is about a hand’s width below your right hip. Balance the machine – see "Balancing the Machine". FS 250, FS 250 R...
  • Page 26 To avoid damage, do not throw the unit to the ground when practicing. Practice quickly detaching the power tool from the carabiner as described under "Disconnecting Machine from Harness". FS 250, FS 250 R...

  • Page 27: Balancing The Machine

    Tighten down the screw on the carrying ring firmly. Loosen the screw (1). Slide the carrying ring (2) along the drive tube. Tighten the screw moderately. Allow the unit to hang freely. Check the position obtained. FS 250, FS 250 R...
  • Page 28 – do not touch the throttle trigger, the engine, push the slide control in lockout lever or slide control. the direction of the arrow on the stop symbol (h) to STOP-0. NOTICE Do not stand or kneel on the drive tube. FS 250, FS 250 R...
  • Page 29 Go to section on "Starting" and re- start the engine as described for a WARNING cold engine. Make sure the carburetor is correctly adjusted. The cutting attachment must not rotate when the engine is idling. FS 250, FS 250 R...

  • Page 30: Transporting The Unit

    Transporting the Unit Using Transport Guard The type of transport guard depends on the metal cutting attachment supplied with the machine. Transport guards are available as special accessories. 230 mm Grass Cutting Blades 250 mm Brush Knives FS 250, FS 250 R...
  • Page 31 Fit the transport guard on the cutting attachment from below. Disconnect wire rod from the Disconnect wire rod from the transport guard. transport guard. Swing wire rod outwards. Swing wire rod into position. Hook wire rod to the transport guard. FS 250, FS 250 R...

  • Page 32: Operating Instructions

    – replace it if is dirty or service periods – see "Storing the Hook wire rod to the transport damaged. Machine". guard. Install the filter element in the filter cover. Refit the filter cover. FS 250, FS 250 R...

  • Page 33: Adjusting The Carburetor

    (L). smoothly – the cutting attachment must not rotate. Fine Tuning for Operation at High Altitude A slight correction of the setting may be necessary if the engine does not run satisfactorily: FS 250, FS 250 R...

  • Page 34: Spark Plug

    After returning from high altitude, reset only suppressed spark plugs of the the carburetor to the standard setting. type approved by STIHL – see If the setting is too lean there is a risk of "Specifications". Clean dirty spark plug.

  • Page 35: Engine Running Behavior

    Screw the spark plug (2) into the cylinder and fit the boot (1) (press it down firmly). If the gearbox has a screw plug (1): Check grease level after every 25 hours of operation and re-lubricate if necessary. FS 250, FS 250 R...

  • Page 36: Replacing The Starter Rope And Rewind Spring

    Removing the Fan Housing Remove the screw plug (1). If no grease can be seen on the inside of the screw plug (1): Screw the tube (2) of STIHL gear lubricant (special accessory) into the filler hole. Take out the screws (1).
  • Page 37 Take one turn of the rope off the Fit the screws. rotor. Refit the rope rotor as described in Install the fan housing. "Replacing the Starter Rope". Tension the rewind spring. Install the fan housing. FS 250, FS 250 R...

  • Page 38: Storing The Machine

    Dispose of fuel properly in Resharpen with a grinder or have balanced as necessary – STIHL accordance with local the work done by a dealer – STIHL recommends a STIHL servicing environmental requirements. recommends a STIHL servicing dealer.

  • Page 39: Maintaining The Mowing Head

    If necessary, remove the mowing engages – and allow it to spring The thermoplastic cutting blades are head. back. referred to as "blades" in the following. Pull ends of the lines outward. FS 250, FS 250 R...

  • Page 40: Inspection And Maintenance By User

    Push the new pickup body into the hose. Place the pickup body in the tank. Make sure the spacer (1) locates properly on the shroud (arrow). FS 250, FS 250 R...
  • Page 41 Have damaged spacer (1) replaced immediately. Antivibration Element A vibration-absorbing rubber element is installed between the powerhead and the drive tube. Have it checked if there are signs of wear or a noticeable increase in vibration levels. FS 250, FS 250 R...

  • Page 42: Maintenance And Care

    Visual inspection Cooling inlet Clean Have decoked by servicing dealer after Exhaust port (FS 250 only) first 139 hours of operation, then every 150 hours of operation Have checked by servicing dealer Spark arrestor in muffler Have cleaned or replaced by servicing...
  • Page 43 Replenish Safety labels Replace STIHL recommends an authorized STIHL servicing dealer. see chapter "Inspections and Maintenance by Dealer", section "Antivibration Elements" Not fitted in all markets, see chapter "Inspections and Maintenance by Dealer", section "Spark Arrestor in Muffler and Spacer"...

  • Page 44: Minimize Wear And Avoid Damage

    – owner, they should be performed by a servicing dealer. Clutch – STIHL recommends that you have Filters (air, fuel) – servicing and repair work carried out Rewind starter – exclusively by an authorized STIHL FS 250, FS 250 R...

  • Page 45: Main Parts

    11 Throttle Cable Retainer 12 Carrying Ring 13 Manual Fuel Pump 14 Choke Knob 15 Air Filter Cover 16 Fuel Tank 17 Machine Support 18 Loop Handle 19 Barrier Bar (country specific) 20 Spacer Serial Number FS 250, FS 250 R...
  • Page 46 English Drive tube Mowing head Deflector for mowing heads only Line limiting blade Deflector for all mowing attachments Skirt for mowing heads Metal mowing attachment Circular saw blade Limit stop for circular saw blades only FS 250, FS 250 R...

  • Page 47: Specifications

    FS 250: 112 dB(A) procedure under laboratory conditions and does not represent either an explicit FS 250 R: 112 dB(A) or implied guarantee of the performance of a specific engine. FS 250, FS 250 R...

  • Page 48: Maintenance And Repairs

    When repairing the machine, only use the garbage can. Take the product, replacement parts which have been accessories and packaging to an approved by STIHL for this power tool or approved disposal site for environment- are technically identical. Only use high- friendly recycling.

  • Page 49: Ec Declaration Of Conformity

    English ANDREAS STIHL AG & Co. KG EC Declaration of Conformity Produktzulassung (Product Licensing) The year of manufacture and serial ANDREAS STIHL AG & Co. KG number are applied to the product. Badstr. 115 Done at Waiblingen, 01.03.2018 D-71336 Waiblingen ANDREAS STIHL AG &...
  • Page 50 English FS 250, FS 250 R...
  • Page 52 0458-250-8321-G www.stihl.com *04582508321G* 0458-250-8321-G...

This manual is also suitable for:

Fs 250 r

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