Stihl FS 45 Instruction Manual
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Stihl FS 45 Instruction Manual

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STIHL FS 45
Instruction Manual

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Summary of Contents for Stihl FS 45

  • Page 1 STIHL FS 45 Instruction Manual...

  • Page 2: Table Of Contents

    Dear Customer, Guide to Using this Manual ....2 Safety Precautions and Thank you for choosing a quality Working Techniques ......3 engineered STIHL product. Approved Combinations of This machine has been built using Cutting Tool, Deflector, modern production techniques and Handle and Harness .......

  • Page 3: Guide To Using This Manual

    Engineering improvements in different ways: individual components. STIHL’s philosophy is to continually A bullet marks a step or procedure Note or hint which is not essential improve all of its products. As a result, without direct reference to an...

  • Page 4: Safety Precautions And Working Techniques

    To reduce health area where a trimmer is in use. those that generally apply risks of serious, STIHL recommends When the machine is not in use (work when working with hand tools. that persons with pacemaker consult...
  • Page 5 To reduce the risk of injury that are explicitly approved for this to your eyes from thrown Wear proper protective clothing and power tool model by STIHL or are objects, always wear equipment. technically identical. If you have any safety glasses and a...
  • Page 6 If leakage. Take care not to get fuel on fuel leakage is found, do not start or run your clothing. If this happens, change the engine until leak is fixed. immediately. FS 45...
  • Page 7 – Cutting tool: Check for correct and secure assembly and good Do not drop start the power tool. The condition. correct starting procedure is described in your instruction manual. FS 45...
  • Page 8 Check and correct the idle speed setting at regular intervals. If the cutting tool still rotates, have your dealer check your trimmer and make proper adjustments or repairs. FS 45...
  • Page 9 Never run the property (e.g. parked vehicles, engine indoors or in poorly ventilated windows). locations, even if your model is equipped with a catalytic converter. FS 45...
  • Page 10 Clean grass and weeds off the cutting tool mounting at regular intervals. If the cutting tool or deflector becomes clogged or stuck, always turn off the engine and make sure the cutting tool has stopped before cleaning. FS 45...
  • Page 11 The period of usage is shortened by: dealer if in doubt. Check that the muffler is in perfect – Any personal tendency to suffer STIHL recommends the use of genuine working condition. from poor circulation (symptoms: STIHL spare parts. Such parts have frequently cold fingers, itching).
  • Page 12 – less risk of damaging tree bark. To reduce the risk of serious injury, never use wire or metal- reinforced line or other material in place of the nylon cutting line. FS 45...
  • Page 13 English Mowing Head with Polymer Observe the wear limit marks Blades – STIHL PolyCut 6-3 Wear limit marks are integrated in the base of the PolyCut. Do not continue using the PolyCut if one of the circular holes (1; arrow) becomes visible or if the projecting rim (2;...

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

    Approved Combinations of Cutting Tool, Deflector, Handle and Harness Cutting Tools Equipment Approved Combinations STIHL AutoCut C 5-2 mowing head The complete trimmer includes: Depending on the cutting tool you intend STIHL AutoCut 5-2 mowing head to use, select the correct combination –...

  • Page 15: Mounting The Loop Handle

    Insert screw (4) in loop handle and through spacer until the hexagon head rests in the socket head of the loop handle. Fit the washer (5). Fit and tighten down the wingnut (6). FS 45...

  • Page 16: Mounting The Deflector

    AutoCut C 5-2 mowing head Pull the thrust plate (1) (if fitted) off the shaft (2). STIHL PolyCut 6-3 mowing head, STIHL FixCut 5-2 mowing head Slip the thrust plate (1) over the shaft (2) and engage hexagon recess (3) on external hexagon (4).
  • Page 17 English Mounting the Mowing Head STIHL AutoCut 5-2 STIHL AutoCut C 5-2 Push the mowing head (2) over the Push the mowing head (2) over the Keep instruction sheet for mowing head in a safe place. shaft (5) and engage the hex recess shaft –...
  • Page 18 English STIHL PolyCut 6-3 Blocking the shaft STIHL FixCut 5-2 Fit the thrust plate on the shaft. Insert a suitable tool (12) through Slip the thrust plate (2) over the the holes (13) in the deflector and shaft. Insert the nut (10) in the mowing thrust plate –...

  • Page 19: Fuel

    STIHL MotoMix PolyCut Block the shaft. STIHL recommends the use of STIHL MotoMix. This ready-to-use fuel mix Unscrew the mowing head contains no benzol or lead, has a high counterclockwise. octane rating and ensures that you always use the right mix ratio.
  • Page 20 Clean the fuel tank and canister and guarantees a long engine life. 0.30 (300) 0.60 (600) from time to time. If STIHL two-stroke engine oil is not 0.40 (400) 0.80 (800) Dispose of remaining fuel and available, use only quality two-stroke oil 0.50...

  • Page 21: Fueling

    Position the unit so that the filler cap is facing up. Take care not to spill fuel while fueling and do not overfill the tank. STIHL recommends use of the STIHL filling system. After fueling, tighten down filler cap...
  • Page 22 Do not stand or kneel on the drive – and then pull it out slowly and tube! steadily. Do not pull out the starter rope to its full length – it might break. FS 45...
  • Page 23 Make sure the carburetor is correctly adjusted – the cutting tool must not rotate when the engine is Move stop switch to O. idling. Pull off the spark plug boot (10). Your machine is now ready for operation. FS 45...

  • Page 24: Operating Instructions

    Press in the tab (1) and swing the need it again. filter cover (2) open. Storing for a long period: see chapter "Storing the Machine". Clean away loose dirt from around the filter. FS 45...

  • Page 25: Adjusting The Carburetor

    With this carburetor it is only possible to Replace damaged parts of filter. adjust the engine idle speed within fine limits. Place the felt element (3) in the filter housing (4). Close the filter cover so that it snaps into position. FS 45...
  • Page 26 Turn low speed screw (L) clockwise (about turn) until the engine runs Warm up engine. and accelerates smoothly. Engine stops while idling Turn idle speed screw (LA) slowly clockwise until the engine runs smoothly – cutting tool must not rotate. FS 45...

  • Page 27: Catalytic Converter

    (if adjustable) and observance of the Install only suppressed spark plugs specified mix ratio of gasoline and two- of the type approved by STIHL – stroke engine oil are essential to see "Specifications". minimize harmful exhaust emissions and ensure a long catalyst service life.

  • Page 28: Inspections And Maintenance By Dealer

    Do not let the starter grip snap back, guide it slowly into the housing. STIHL recommends that maintenance See also chapter “Starting / and repair work be carried out only by Stopping the Engine”! authorized STIHL dealers.

  • Page 29: Storing The Machine

    English Storing the Machine Replacing the Nylon Line STIHL AutoCut C 5-2 For periods of about 3 months or longer Always inspect the mowing head for signs of wear before replacing the nylon Drain and clean the fuel tank in a line.
  • Page 30 "Mounting Push the straight end of each line Cutting Tools" / "Mounting the through one sleeve (5) in the Mowing Head" / "STIHL AutoCut C mowing head (3) until a noticeable 5-2“. resistance – and then continue pushing as far as stop.

  • Page 31: Replacing The Nylon Line

    English Replacing the Nylon Line STIHL AutoCut 5-2 Always inspect the mowing head for signs of wear before fitting replacement nylon line. If there are signs of serious wear, replace the parts concerned or install a completely new mowing head.
  • Page 32 (5) as the spool is pushed into position. Assembling the Mowing Head Pull out the ends of the lines as far Check that the compression spring as stop. is installed (see “Mounting the Mount the mowing head on the Mowing Head”). machine. FS 45...

  • Page 33: Maintenance Chart

    All accessible screws and nuts (not adjusting Retighten screws) Visual inspection Cutting tool Replace Check tightness Illegible safety labels Replace 1) STIHL recommends that this work be done by a STIHL servicing dealer not in all versions, market-specific FS 45...

  • Page 34: Minimize Wear And Avoid Damage

    – Cutting tools (all types) precautions, operating and maintenance only by an authorized STIHL servicing – Mounting hardware for cutting tools instructions in this manual. This includes dealer. STIHL servicing dealers are able (rider plate, nut, etc.)

  • Page 35: Parts And Controls

    10= Machine support Machine number 11= Fuel pump 12= Carburetor adjusting screw 13= Starter grip 14= Spark plug boot 15= Muffler (with spark arresting) screen in some markets) 16= Line limiting blade 17= Deflector 18= Cutting head 19= Drive tube FS 45...

  • Page 36: Specifications

    Versions with ErgoStart (suppressed): NGK BPMR 7 A Version with catalytic converter without mowing head and deflector: Electrode gap: 0.5 mm FS 45 C 4.3 kg Spark plug thread: M 14 x 1.25; FS 45 C 4.4 kg 9.5 mm long...

  • Page 37: Special Accessories

    1) Weighted equivalent value includes replacement parts which have been idling, full load and maximum rated STIHL FixCut 5-2 approved by STIHL for this power tool RPM with the same duration of or are technically equivalent. Only use Nylon line in various diameters,...

  • Page 38: Certificate Of Conformity

    English Certificate of Conformity Andreas Stihl AG & Co. KG Technical documents deposited at: Badstr. 115 Andreas Stihl AG & Co. KG 71336 Waiblingen Product Licensing certify that the new machine described below Done at Waiblingen, September 01, 2003 Category:...

  • Page 39: Quality Certification

    All STIHL products comply with the highest quality standards. An independent organization has certified that all products manufactured by 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.
  • Page 40 English FS 45...
  • Page 41 English FS 45...
  • Page 42 0458 232 0121 C englisch / English...

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