Stihl FS 94 Instruction Manual
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Stihl FS 94 Instruction Manual

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STIHL FS 94
2 - 38
Instruction Manual

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Summary of Contents for Stihl FS 94

  • Page 1 STIHL FS 94 2 - 38 Instruction Manual...

  • Page 2: Table Of Contents

    NOTICE Caution where there is a risk of damaging the machine or its individual components. Engineering improvements STIHL's philosophy is to continually improve all of its products. For this reason we may modify 0458-593-8321-C...

  • Page 3: Safety Precautions And Working Techniques

    Observe all applicable local safety regulations, that are explicitly approved for this power tool e.g. by trade organizations, social insurance model by STIHL or are technically identical. If institutions, labor safety authorities etc. you have any questions in this respect, consult your dealer.
  • Page 4 Open the fuel cap carefully to allow any pressure build-up in the tank to release slowly and avoid fuel spillage. STIHL can supply a comprehensive range of per‐ Only refuel the machine in a well ventilated sonal protective equipment. place. If fuel has been spilled, immediately clean Transporting the machine the machine –...
  • Page 5 2 Safety Precautions and Working Techniques English Have the machine serviced by a dealer before This is a one-person machine – ensure that there using it is no-one within 15 meters of the machine, not – Use only an approved combination of cutting even when starting the power tool! Risk of injury attachment, deflector, handle and harness.
  • Page 6 (e.g. heavy adjustments or repairs. STIHL recommends you impact or a fall), always check that it is in good have this work done by a STIHL servicing dealer. condition before continuing work – see also "Before Starting".
  • Page 7 – Check condition and secure fitting; watch out for cracks STIHL recommends the use of original STIHL – Ensure that the cutting blades are sharp metal cutting attachments. These have been – Replace damaged or blunt cutting attachments optimized for the machine and the user’s require‐...
  • Page 8 Use only a spark plug of the type approved by factors. STIHL and make sure it is in good condition – The period of usage is prolonged by: see "Specifications". – Hand protection (wearing warm gloves) Inspect the ignition lead (insulation in good con‐...
  • Page 9 To reduce the risk of serious injury, never use wire or metal-reinforced line in place of the nylon line. 2.15 STIHL Polycut Mowing Head with Polymer Blades For mowing unobstructed edges of meadows (without posts, fences, trees or similar obsta‐...
  • Page 10 English 2 Safety Precautions and Working Techniques The risk of kickout is greatest when the black area of the rotating cutting attachment comes into contact with a solid object. 2.17 Grass Cutting Blade If one of the wear limit marks on the PolyCut mowing head is worn through (arrow): Do not continue using the mowing head.

  • Page 11: Approved Combinations Of Cutting Attach- Ment, Deflector, Handle And Harness

    – risk of acci‐ (260 mm dia.) dents. 9 Grass cutting blade 230-4 (230 mm dia.) Cutting Attachments 10 Grass cutting blade 230-8 (230 mm dia.) 3.2.1 Mowing heads 1 STIHL SuperCut 20-2 2 STIHL AutoCut 25-2 3 STIHL AutoCut C 26-2 0458-593-8321-C...

  • Page 12: Approved Power Tool Attachments

    21 Full harness may be used housing. ► Place the clamp (3) and handle support (4) Approved Power Tool against the drive tube (2). Attachments The following STIHL attachments may be used with the basic power tool: Attachment Application Weeder Mounting the Bike Handle...

  • Page 13: Mounting The Loop Handle

    6 Mounting the Loop Handle English Fitting the Throttle Cable ► Place the handlebar (1) in the handle support so that distance B is no more than 15 cm (6 in) – the rubber handle (5) must be on the left NOTICE (viewed from engine).
  • Page 14 English 6 Mounting the Loop Handle "Approved Combinations of Cutting Attachment, Deflector, Handle and Harness". The barrier bar is included with the machine or is available as a special accessory. Mounting the Loop Handle with Barrier Bar ► Insert the clamp (3) in the loop handle (4) and position them together on the shaft (5) ►...
  • Page 15 6 Mounting the Loop Handle English Mounting the Loop Handle Orienting and Securing the without Barrier Bar Loop Handle ► Insert the clamp (3) in the loop handle (4) and The loop handle can be adjusted to suit the position them together on the shaft (5) height and reach of the operator and the applica‐...

  • Page 16: Fitting The Carrying Ring

    English 7 Fitting the Carrying Ring Fitting the Carrying Ring Mounting the deflector Polymer Version Mounting the Deflector For position of carrying ring see "Main Parts". 1 Deflector for mowing attachments ► Push the carrying ring (1) over the drive tube. 2 Deflector for mowing heads ►...

  • Page 17: Mounting The Cutting Attachment

    9 Mounting the Cutting Attachment English Mounting the Cutting Fitting the Skirt and Blade Attachment WARNING Placing power tool on the Risk of injury from thrown objects and contact ground with the cutting attachment. These parts must be fitted to the deflector (1) when you use a mowing head.
  • Page 18 English 9 Mounting the Cutting Attachment Removing the Mounting Hard‐ Depending on the cutting attachment, it may be ware necessary to use the nut (3), rider plate (4) and thrust washer (5). These parts are included in a kit supplied with the machine and are also available as special accessories.
  • Page 19 9 Mounting the Cutting Attachment English 9.8.1 STIHL FixCut 31-2 ► Fit the thrust plate ► Turn the mowing head anticlockwise on the ► Fit the thrust plate (2). shaft (1) as far as it will go ► Place the mowing head on the thrust plate (2).
  • Page 20 English 9 Mounting the Cutting Attachment 9.10 Mounting Metal Cutting Attach‐ WARNING ment Direction of rotation is indicated by an arrow on Keep the leaflet and packaging of the metal cut‐ the inside of the deflector. ting tool in a safe place. WARNING Wear protective gloves to reduce the risk of direct contact with the sharp cutting edges.

  • Page 21: Fuel

    (5). 10 Fuel 10.2.2 Engine Oil If you mix the fuel yourself, use only STIHL two- Your engine requires a mixture of gasoline and stroke engine oil or another high-performance engine oil. engine oil in accordance with JASO FB, JASO...

  • Page 22: Fueling

    30 days. Exposure to light, the sun, low or high temperatures can quickly make the fuel mix unusable. STIHL MotoMix may be stored for up to 2 years without any problems. ► Thoroughly shake the mixture in the canister before fueling your machine.
  • Page 23 12 Fitting the Harness English 12.1 Shoulder strap ► Put on the full harness (1). ► Adjust the length of the strap so that the cara‐ biner (2) is about a hand’s width below your right hip. ► Balance the machine. 12.3 Attaching Machine to Harness ►...

  • Page 24: Balancing The Machine

    English 13 Balancing the Machine 12.4 Disconnecting Machine from Harness ► Loosen the screw (1). ► Slide the carrying ring (2) along the drive tube. ► Tighten the screw moderately. ► Press down the bar on the carabiner (1) and ►...

  • Page 25: Starting / Stopping The Engine

    14 Starting / Stopping the Engine English 14 Starting / Stopping the 14.1.2 Function of Throttle Set Wheel Engine 14.1 Controls The throttle set wheel (4) enables the travel of the throttle trigger to be preset anywhere between idle and full throttle. –...
  • Page 26 English 14 Starting / Stopping the Engine ► Turn choke knob (6) and then push it in at g 14.2.3 Version with ErgoStart (C‑E) ► Pull the starter grip slowly and steadily. Also use this setting if the engine has been run‐ ning but is still cold.

  • Page 27: Transporting The Unit

    15 Transporting the Unit English 15.1.1 230 mm grass cutting blades WARNING Make sure the carburetor is correctly adjusted. The cutting attachment must not rotate when the engine is idling. Your machine is now ready for operation. 14.3 Stopping the Engine ►...

  • Page 28: Operating Instructions

    English 16 Operating Instructions 16 Operating Instructions 16.1 During break-in period A factory-new machine should not be run at high revs (full throttle off load) for the first three tank fillings. This avoids unnecessary high loads dur‐ ing the break-in period. As all moving parts have to bed in during the break-in period, the frictional resistances in the engine are greater during this period.

  • Page 29: Adjusting The Carburetor

    (5) eroded. Install only suppressed spark plugs of ► Replace felt filter (5) – as a temporary meas‐ the type approved by STIHL – see "Specifica‐ ure you can knock it out on the palm of you tions".

  • Page 30: Lubricating The Gearbox

    ► 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.

  • Page 31: Sharpening Metal Cutting Blades

    ► After resharpening about 5 times, check the cutting attachment for out-of-balance on a Fresh line is advanced automatically if the STIHL balancer (special accessory) or have it remaining line is at least 6 cm (2 1/2 in) long. checked by a dealer and re-balanced as nec‐...

  • Page 32: Inspection And Maintenance By User

    STIHL PolyCut Precut lengths of nylon line can be fitted to the PolyCut in place of the cutting blades. STIHL DuroCut, STIHL FixCut 31-2, STIHL Poly‐ WARNING To reduce the risk of injury, always shut off the engine before refilling the mowing head.

  • Page 33: Inspections And Maintenance By Dealer

    25 Inspections and Mainte‐ checked in the event of noticeable wear or con‐ stantly increased vibration. nance by Dealer 25.1 Maintenance work STIHL recommends that all maintenance and repairs be carried out by STIHL dealers. 25.2 Fuel pickup body in tank 0458-593-8321-C...

  • Page 34: Maintenance And Care

    English 26 Maintenance and Care 26 Maintenance and Care The following intervals apply for normal operating conditions. The specified intervals must be short‐ ened accordingly when working for longer than nor‐ mal or under difficult cutting conditions (extensive dust, etc.). Complete machine Visual inspection (safe condition, leaks)

  • Page 35: Main Parts

    Safety information label replace 1)Only if there is a noticeable loss of engine power2)STIHL recommends STIHL dealers3)see chapter "Inspection and Maintenance by Dealer", section "Antivibration Elements" 27 Main Parts 7 Muffler with spark arresting screen 8 Throttle trigger...

  • Page 36: Specifications

    Noise and Vibration Data For details on compliance with Vibration Direc‐ tive 2002/44/EC visit www.stihl.com/vib. 28.7.1 Sound pressure level L to ISO 22868 FS 94, FS 94 C-E with mowing head: 93 dB(A) with metal tool: 93 dB(A) 1 Drive tube...

  • Page 37: Maintenance And Repairs

    Exhaust Emissions The CO value measured in the EU type approval procedure is specified at www.stihl.com/co2. STIHL products must not be thrown in the gar‐ bage can. Take the product, accessories and The measured CO value was determined on a packaging to an approved disposal site for envi‐...
  • Page 38 Measured sound power level 108 dB(A) Guaranteed sound power level 110 dB(A) Technical documents deposited at: ANDREAS STIHL AG & Co. KG Produktzulassung The year of manufacture and serial number are applied to the product. Waiblingen, 15.07.2021 ANDREAS STIHL AG & Co. KG Dr.
  • Page 39 31 EC Declaration of Conformity English 0458-593-8321-C...
  • Page 40 *04585938321C* 0458-593-8321-C...

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