Stihl FS 80 Instruction Manual
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Stihl FS 80 Instruction Manual

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STIHL FS 80, 85
Instruction Manual

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Summary of Contents for Stihl FS 80

  • Page 1 STIH) STIHL FS 80, 85 Instruction Manual...

  • Page 2: Table Of Contents

    Balancing the Brushcutter ....30 Maintenance and Repairs ....51 Starting / Stopping Certificate of Conformity ....51 the Engine ........31 Quality Certification ......52 Operating Instructions ....34 Hans Peter Stihl STIHl FS 80, FS 80 R, FS 85, FS 85 R...

  • Page 3: Guide To Using This Manual

    STIHL dealer for illustration. environment. assistance. Example: Therefore some changes, modifications Loosen the screw (1) and improvements may not be covered Lever (2) ... in this manual. FS 80, FS 80 R, FS 85, FS 85 R...

  • Page 4: Safety Precautions And Working Techniques

    Never attempt to modify your operation. aggravated by strenuous work, check brushcutter in any way since this may with your doctor before operating a also result in accidents or damage to the brushcutter. machine. FS 80, FS 80 R, FS 85, FS 85 R...
  • Page 5 Sturdy shoes with non-slip STIHL offers a comprehensive range of ricochet and strike the operator. soles may be worn as an safety clothing and equipment. alternative only when using mowing heads. FS 80, FS 80 R, FS 85, FS 85 R...
  • Page 6 Fit transport guard on metal cutting tools to avoid the risk of injury from blade contact. Transporting by vehicle: When transporting in a vehicle, properly secure your brushcutter to prevent turnover, fuel spillage and damage. FS 80, FS 80 R, FS 85, FS 85 R...
  • Page 7 (lettering and cutting tool must be clear of the ground arrows no longer legible). and all other obstructions because it may rotate when the engine starts. FS 80, FS 80 R, FS 85, FS 85 R...
  • Page 8 On units with a loop handle and barrier bar, left hand on loop handle, right hand on control handle, even if you are left- handed. FS 80, FS 80 R, FS 85, FS 85 R...
  • Page 9 If the work area is very dusty or pieces of metal or other smoky, wear a respirator. solid objects which could damage the cutting tool or be thrown and cause damage to property (e.g. parked vehicles, windows). FS 80, FS 80 R, FS 85, FS 85 R...
  • Page 10 Dull or improperly sharpened symptoms appear, seek medical advice. cutting edges can put a higher load on the cutting tool and increase the risk of it cracking or shattering. FS 80, FS 80 R, FS 85, FS 85 R...
  • Page 11 – Exception: vibrations – they must be examined adjustment of carburetor and idle speed. regularly. FS 80, FS 80 R, FS 85, FS 85 R...
  • Page 12 – less risk of damaging tree bark. instructions for the PolyCut cutting head! To reduce the risk of injury, never use steel wire in place of the nylon cutting line. see "Guide to Using this Manual" FS 80, FS 80 R, FS 85, FS 85 R...
  • Page 13 Use the brushcutter like a scythe (sweep Resharpen the cutting blade according it to the right and left) at ground level to instructions when it has dulled when cutting grass and thinning young noticeably. stands. FS 80, FS 80 R, FS 85, FS 85 R...
  • Page 14 When felling, maintain a distance of at of the the circular saw blade. least two tree lengths from the next felling site. FS 80, FS 80 R, FS 85, FS 85 R...

  • Page 15: Approved Combinations Of Cutting Tool, Deflector, Handle And Harness

    (see “Mounting the deflector”) contact with the rotating cutting tool. 17 Deflector without skirt and blade for all metal mowing tools 18 Limit stop for circular saw blades FS 80, FS 80 R, FS 85, FS 85 R...
  • Page 16 English Cutting tool Deflector, Limit Stop Handle Harness/Strap FS 80, FS 80 R, FS 85, FS 85 R...

  • Page 17: Power Tool Attachments

    (4 and 5). Pull out the wing screw. The washer (6) remains on the wing screw. Separate the clamps. Springs (4) and (5) remain in the lower clamp. FS 80, FS 80 R, FS 85, FS 85 R...
  • Page 18 – hold all angle to the drive tube – check parts together and secure them. Insert screw with washer and dimension A again. tighten down firmly. Tighten down the wing screw firmly. FS 80, FS 80 R, FS 85, FS 85 R...
  • Page 19 Go to chapter on "Adjusting the Reverse the sequence described Throttle Cable". above to swing the handles up and turn the handlebar counter- clockwise. see "Guide to Using this Manual” FS 80, FS 80 R, FS 85, FS 85 R...
  • Page 20 (10) must point toward the gearhead. Throttle Cable Adjustment Line up the holes (11). Go to chapter on "Adjusting the Fit screw in the control handle and Throttle Cable". tighten down firmly. FS 80, FS 80 R, FS 85, FS 85 R...

  • Page 21: Adjusting The Throttle Cable

    Use a suitable tool to push the slide Loop Handle with Barrier Bar to the bottom of the slot (see Insert square nuts (1) in the barrier illustration). bar (2). Line up the holes. FS 80, FS 80 R, FS 85, FS 85 R...
  • Page 22 Go to “Securing the Loop Handle”. loop handle and control handle. Go to “Securing the loop handle”. FS 80, FS 80 R, FS 85, FS 85 R...

  • Page 23: Fitting The Carrying Eye

    Insert M 5 x 18 screws and tighten with the first hole. Tighten down the screw firmly. down firmly. Fit the screw and tighten it down firmly. 1) Included as standard or available as special accessory FS 80, FS 80 R, FS 85, FS 85 R...

  • Page 24: Mounting The Cutting Tools

    Fit the three M 5 x 18 screws (7) and parts: Nut (3), rider plate (4) and tighten down securely. Only mowing heads may be thrust washer (5) (special mounted. accessories). FS 80, FS 80 R, FS 85, FS 85 R...
  • Page 25 (supplied with machine or available as special accessory) to unscrew the nut (3) clockwise (left-hand thread) from the shaft (2). Pull the thrust washer (5) off the shaft (2). FS 80, FS 80 R, FS 85, FS 85 R...
  • Page 26 Tighten down the mowing head. Remove the tool used to block the Remove the tool used to block the shaft. shaft. FS 80, FS 80 R, FS 85, FS 85 R...
  • Page 27 Direction of rotation is marked by Fit the appropriate limit stop for arrow on inside of cutting head circular saw blades 200 (6, 7) – see deflector or limit stop. "Mounting the Deflector". FS 80, FS 80 R, FS 85, FS 85 R...

  • Page 28: Fuel

    Use only STIHL 50:1 two-stroke tank. engine oil for the fuel mix in models with a catalytic converter. FS 80, FS 80 R, FS 85, FS 85 R...

  • Page 29: Fueling

    STIHL thoroughly. recommends use of the STIHL filling system (special accessory). After fueling, tighten fuel cap as securely as possible by hand. FS 80, FS 80 R, FS 85, FS 85 R...

  • Page 30: Fitting The Harness

    Cutting Tool, Deflector, Handle and The use of the harness is described in Harness”. Place the pickup body in the tank. chapter “Approved Combinations of Cutting Tool, Deflector, Handle and Harness”. FS 80, FS 80 R, FS 85, FS 85 R...

  • Page 31: Balancing The Brushcutter

    When the correct floating position has screw moderately – let the unit go been reached: until it is balanced – then check the Tighten down the screw on the floating position. carrying ring. FS 80, FS 80 R, FS 85, FS 85 R...

  • Page 32: Starting / Stopping The Engine

    STOP-O (4) – engine off – the ignition is switched off # – normal run position (5) – the engine is running or can start START (6) - the ignition is switched on, the engine can start FS 80, FS 80 R, FS 85, FS 85 R...
  • Page 33 Hold the unit with your left hand and filled with fuel. press it down firmly – your thumb should be under the fan housing. Do not stand or kneel on the drive tube! FS 80, FS 80 R, FS 85, FS 85 R...
  • Page 34 Continue cranking until engine runs. run position # and the engine settles down to idle speed. Open the throttle slightly. Warm up engine for brief period. FS 80, FS 80 R, FS 85, FS 85 R...

  • Page 35: Operating Instructions

    Ease the filter cover (2) over the tab see chapter "Storing the Machine". and take it away. Clean away loose dirt from around the filter. Remove the foam and felt filter elements. FS 80, FS 80 R, FS 85, FS 85 R...

  • Page 36: Adjusting The Carburetor

    Install the foam element (3) in the filter cover (2). Place felt element (4) (lettering facing inward) in filter housing (5). Fit filter cover so that it snaps into position. FS 80, FS 80 R, FS 85, FS 85 R...
  • Page 37 Warm up the engine. and accelerates smoothly. Engine stops while idling Turn idle speed screw (LA) slowly clockwise until the engine runs smoothly – the cutting tool must not rotate. FS 80, FS 80 R, FS 85, FS 85 R...

  • Page 38: Spark Arresting Screen In Muffler

    If the spark plug comes with a a new one. readjust if necessary – see detachable adapter nut (1), screw it "Specifications". on firmly. Refit the spark arresting screen. see “Guide to Using this Manual” FS 80, FS 80 R, FS 85, FS 85 R...

  • Page 39: Lubricating The Gearbox

    Lift the starter cover (2) away from Refit the filler plug and tighten it the tank (3) and pull it out from down firmly. under the shroud (4). FS 80, FS 80 R, FS 85, FS 85 R...
  • Page 40 To help reduce the risk of rope through the top of the grip and the wire retainer! injury, wear face protection and the rope bushing (7). gloves. Refit the cap in the grip. FS 80, FS 80 R, FS 85, FS 85 R...
  • Page 41 Take one turn of rope off the rotor. spring anchor loop (8) engages. Insert the screw (5) and tighten it Go to "Fitting the Starter Cover". down securely. Go to "Tensioning the Rewind Spring". FS 80, FS 80 R, FS 85, FS 85 R...

  • Page 42: Storing The Machine

    Push the upper mounting boss (2) under the shroud (4) – line up the tank (3)and push the lower part of cover onto the tank. Insert and tighten down the housing screws (1). FS 80, FS 80 R, FS 85, FS 85 R...
  • Page 43 English Resharpen the cutters (1) uniformly – do not alter the contour of the parent blade (2) in any way. See cutting tool packaging for additional sharpening instructions. FS 80, FS 80 R, FS 85, FS 85 R...

  • Page 44: Maintenance Chart

    Retighten (not adjusting screws) Check Anti-vibration element Have replaced by servicing dealer STIHL recommends that this work be done by a STIHL servicing dealer * Not in all versions, market-specific FS 80, FS 80 R, FS 85, FS 85 R...
  • Page 45 (very dusty work area etc.), shorten the specified intervals accordingly. Inspect Replace Cutting tools Check tightness of cutting tool Metal cutting tools Sharpen Check Gearbox lubrication Replenish Safety labels Replace FS 80, FS 80 R, FS 85, FS 85 R...

  • Page 46: Minimize Wear And Avoid Damage

    (intake ports, cylinder fins). defective components. – Corrosion and other consequential damage resulting from improper storage. – Damage to the product resulting from the use of poor quality replacement parts. FS 80, FS 80 R, FS 85, FS 85 R...

  • Page 47: Main Parts And Controls

    15 Spark plug boot 16 Air filter cover 17 Machine support 18 Wing screw 19 Barrier bar* 20 Loop handle 21 Drive tube Serial number See "Guide to Using this Manual" FS 80, FS 80 R, FS 85, FS 85 R...
  • Page 48 Circular Saw Blade Limit Stop (for circular saw blade only) Mowing head Deflector (for mowing heads only) Line limiting blade Deflector with skirt (for all cutting tools) Skirt Metal mowing tool FS 80, FS 80 R, FS 85, FS 85 R...

  • Page 49: Specifications

    Champion FS 85 5.3 kg RCJ 6Y version with loop handle Electrode gap: 0.5 mm version with bike handle Spark plug thread: M 14 x 1,25; 9.5 mm long FS 80, FS 80 R, FS 85, FS 85 R...
  • Page 50 Version with loop handle and barrier bar – HL: 1 : 4; For further details concerning compliance with the employers' – BF and SP: 1 : 6. directive on vibrations 2002/44/EC see www.stihl.com/vib/ FS 80, FS 80 R, FS 85, FS 85 R...

  • Page 51: Special Accessories

    "Approved Combinations of Cutting Tool, Deflector, Handle and Mounting Hardware for Harness" Metal Cutting Tools Contact your STIHL dealer for the latest Thrust washer information on these and other special accessories. Rider plate FS 80, FS 80 R, FS 85, FS 85 R...

  • Page 52: Maintenance And Repairs

    Directive 2000/14/EEC, Annex V, The symbol may appear alone on small using the ISO 10884 standard. parts. Measured sound power level: 109 dB(A) Guaranteed sound power level: 110 dB(A) FS 80, FS 80 R, FS 85, FS 85 R...

  • Page 53: Quality Certification

    STIHL meet the strict requirements of the ISO 9001 standard for quality management systems in terms of product development, materials purchasing, production, assembly, documentation and customer service. FS 80, FS 80 R, FS 85, FS 85 R...
  • Page 54 0458 393 0121 englisch / English...

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