Stihl BR 450 Instruction Manual
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Stihl BR 450 Instruction Manual

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STIHL BR 450, 450 C
Instruction Manual

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Summary of Contents for Stihl BR 450

  • Page 1 STIHL BR 450, 450 C Instruction Manual...

  • Page 3: Table Of Contents

    Main Parts Specifications Maintenance and Repairs Disposal EC Declaration of Conformity UKCA Declaration of Conformity This instruction manual is protected by copyright. All rights reserved, especially the rights to reproduce, translate and process with electronic systems. BR 450, BR 450 C...

  • Page 4: Guide To Using This Manual

    Do not lend or rent your power tool your machine. without the instruction manual. Be sure that anyone using your power tool Fuel tank; fuel mixture of understands the information contained gasoline and engine oil in this manual. BR 450, BR 450 C...
  • Page 5 STIHL or are technically identical. If you machine. Tie up and con- Intended Use have any questions in this respect, fine long hair so that it consult a servicing dealer.
  • Page 6 – refer blower housing is damaged, consult Gasoline is an extremely to appropriate chapters in the instruction your dealer – STIHL recommends you flammable fuel. Keep manual. contact a STIHL servicing dealer. clear of naked flames. Do Check the fuel system for leaks, not spill any fuel –...
  • Page 7 Never work on a ladder or any other concentration of exhaust gases in the insecure support. work area. BR 450, BR 450 C...
  • Page 8 Have all other work performed by a servicing dealer. STIHL recommends that you have servicing and repair work carried out exclusively by an authorized STIHL servicing dealer. STIHL dealers are BR 450, BR 450 C...

  • Page 9: Assembling The Unit

    Check the fuel filler cap for leaks at regular intervals. Use only a spark plug of the type approved by STIHL and make sure it is in good condition – see "Specifications". Inspect the ignition lead (insulation in Push the hose clamp (1) onto the good condition, secure connection).
  • Page 10 Line up the hose clamp (5) and blower tube (6) – as shown. Secure the hose clamp (5) with the Push the nozzle (1) onto the blower screw (7). tube (2) and engage it on the lugs (3). BR 450, BR 450 C...
  • Page 11 Tighten the union nut (1). Rotate the nozzle (1) in the direction Secure the blower tube to the of arrow as far as the stop. handle on the backplate with the hook and loop fastener. BR 450, BR 450 C...

  • Page 12: Adjusting The Throttle Cable

    STIHL MotoMix STIHL recommends the use of STIHL MotoMix. This ready-to-use fuel mix Pull the straps downwards to tighten contains no benzol or lead, has a high the harness octane rating and ensures that you always use the right mix ratio.

  • Page 13: 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 14: Information Before You Start

    Information Before You Start Starting / Stopping the Engine Take care not to spill fuel while fueling and do not overfill the tank. STIHL Positions of Master Control Lever Starting the Engine recommends you use the STIHL filler nozzle (special accessory).
  • Page 15 English Cold engine (cold start) Cranking Electric start (BR 450 C) The power tool is equipped with the STIHL electric starter for convenient starts. The STIHL electric starter basically consists of the following components: Rechargeable battery, integrated in – control unit Starter mechanism with starter –...
  • Page 16 If the engine does not start Slide the starter switch downwards. Check that all settings are correct. Press the starter switch Check that there is fuel in the tank and refuel if necessary. BR 450, BR 450 C...

  • Page 17: Operating Instructions

    For longer out-of-service periods – see "Storing the Machine". Turn the choke knob to c . Loosen the screws (1). Remove the filter cover (2). BR 450, BR 450 C...

  • Page 18: Adjusting The Carburetor

    Check the spark arresting screen (not in all models, country-specific) in the muffler and clean or replace if necessary. Engine stops while idling Turn the idle speed screw (LA) slowly clockwise until the engine runs smoothly. BR 450, BR 450 C...

  • Page 19: Spark Plug

    – or sooner if the accelerates smoothly. electrodes are badly eroded. Install only suppressed spark plugs of the Erratic idling behavior type approved by STIHL – see Idle setting is too rich "Specifications". Clean dirty spark plug. Turn the low speed screw (L)

  • Page 20: Engine Running Behavior

    Thoroughly clean the machine – pay special attention to the cylinder fins and air filter. Store the machine in a dry, high or locked location, – out of the reach of children and other unauthorized persons. BR 450, BR 450 C...

  • Page 21: Maintenance And Care

    Readjust idle Readjust electrode gap Spark plug Replace after every 100 operating hours Visual inspection Cooling inlet Clean All accessible screws and nuts (not adjust- Retighten ing screws) Check Anti-vibration elements Have replaced by servicing dealer BR 450, BR 450 C...
  • Page 22 (very dusty work area, etc.), shorten the specified intervals accordingly. Check Blower air intake screen Clean Throttle cable Adjust Safety labels Replace STIHL recommends an authorized STIHL servicing dealer. BR 450, BR 450 C...

  • Page 23: Minimize Wear And Avoid Damage

    Damping elements of anti-vibration – servicing dealer. system STIHL recommends that you have servicing and repair work carried out exclusively by an authorized STIHL BR 450, BR 450 C...

  • Page 24: Main Parts

    18 Manual fuel pump 19 Choke knob 20 Starter grip 21 Tank cap 22 Fuel tank 23 Spark plug boot 24 Muffler 25 Spacer Serial number BR 450 C only Not in all versions, country-specific BR 450, BR 450 C...

  • Page 25: Specifications

    Maximum air flow rate 1430 m BR 450 C: 2.5 m/s intended usage and maintenance without blower tube described in this instruction manual. The assembly: type approval expires if the engine is modified in any way. BR 450, BR 450 C...

  • Page 26: Maintenance And Repairs

    Displacement: 63.3 cm replacement parts which have been accessories and packaging to an approved by STIHL for this power tool or approved disposal site for environment- conforms to the relevant provisions of are technically identical. Only use high- friendly recycling.

  • Page 27: Ukca Declaration Of Conformity

    English ANDREAS STIHL AG & Co. KG Measured sound power level UKCA Declaration of Produktzulassung Conformity BR 450: 107 dB(A) The year of manufacture and serial BR 450 C: 107 dB(A) number are applied to the product. ANDREAS STIHL AG & Co. KG Guaranteed sound power level Badstr.
  • Page 28 0458-391-0121-B englisch www.stihl.com *04583910121B* 0458-391-0121-B...

This manual is also suitable for:

Br 450 c

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