STIHL BG 56, 66, 86, SH 56, 86 Blower/Shredder-Vacuum Manual

Introduction

Thank you for choosing a quality STIHL product. This manual is designed to help you use and maintain your new blower/shredder-vacuum safely and effectively. Please read it carefully and keep it in a safe place for future reference.

About This Manual

This manual uses symbols and specific terminology to convey important information. Familiarize yourself with these to ensure safe and proper operation.

Graphic Symbols

Symbols on the machine are explained within this manual. These may include:

• Fuel tank: mixture of gasoline and motor oil
• Manual fuel pump activation

Text Marking

WARNING: Indicates a risk of accident and injury to persons or serious damage to property.

NOTICE: Indicates a risk of damage to the machine or its components.

Technical Improvements

STIHL continuously improves its products. We reserve the right to make modifications to the design, scope of delivery, technology, and equipment.

Safety and Working Techniques

Special safety measures are required when operating a motor-powered machine.

• Read the entire manual before first use and keep it for future reference. Failure to follow instructions can lead to fatal consequences.
• Observe country-specific safety regulations (e.g., from professional associations, social security institutions, and competent authorities).
• Seek instruction from your dealer or a specialist for first-time use.
• Minors should not operate this machine, except for those over 16 years of age under supervision.
• Keep children, animals, and bystanders away from the operating area.
• Secure the machine when not in use to prevent unauthorized access.
• Users are responsible for accidents or damages affecting others or their property.
• Lend or rent the machine only to persons familiar with its operation, and always provide the operating manual.
• Noise-emitting machines may be subject to temporary restrictions by national or local regulations.
• Operate the machine only if all components are undamaged.
• Do not use high-pressure cleaners to clean the machine, as the water jet can damage parts.

Accessories and Spare Parts

• Use only STIHL-approved parts or technically equivalent accessories. Consult a dealer if unsure.
• Use only high-quality parts; otherwise, there is a risk of accidents or damage.
• STIHL recommends genuine STIHL parts for optimal performance.
• Do not modify the machine, as this can affect safety. STIHL is not liable for personal injury or material damage resulting from the use of unauthorized accessories.

Physical Fitness

• Operate the machine only when well-rested, feeling well, and in good physical condition.
• Consult a doctor if you have health conditions that limit your ability to exert yourself.
• For pacemaker users: The ignition system generates a small electromagnetic field. Consult your doctor and the pacemaker manufacturer if you have concerns.
• Do not operate the machine after consuming alcohol, medication that impairs reaction time, or drugs.

Intended Use

• The blower is designed for clearing leaves, grass, paper, and similar debris from gardens, sports fields, parking lots, and driveways. It can also be used for clearing paths in forests.
• The shredder-vacuum is designed for vacuuming leaves and other light, loose, non-combustible debris.
• Do not blow or vacuum materials harmful to health.
• Do not use the machine for any other purpose, as this can lead to accidents or damage. Do not modify the product.

Clothing and Equipment

• Wear appropriate, non-obstructive clothing. Wear snug-fitting clothing and do not wear work smocks.
• Wear sturdy, slip-resistant shoes.
• Wear safety glasses conforming to EN 166.
• Use hearing protection (e.g., earplugs).
• STIHL offers a range of personal protective equipment.

Transporting the Machine

• Always stop the engine before transporting.
• When transporting in vehicles, secure the machine against tipping, damage, and fuel spillage.

Refueling

• Gasoline is highly flammable. Keep away from open flames, do not spill fuel, and do not smoke.
• Stop the engine before refueling.
• Do not refuel a hot engine, as fuel may overflow – fire hazard!
• Open the fuel cap carefully to slowly release pressure and prevent fuel spillage.
• Refuel in well-ventilated areas. Clean up any spilled fuel immediately. If fuel spills on clothing, change clothing immediately.
• Check for leaks. If fuel leaks, do not start the engine – risk of fatal burns!
• After refueling, securely tighten the fuel cap.

Before Starting

• Check that the machine is in a safe condition, referring to the relevant sections of this manual.
• Check the fuel system for leaks (fuel cap, hose connections, manual fuel pump). If leaks are found, do not start the engine – fire hazard! Have the machine repaired by a specialist dealer.
• Ensure the throttle moves freely and returns to idle automatically.
• Ensure the stop lever/switch can be easily set to STOP or 0.
• Ensure the handles are clean and dry, free from oil and dirt.
• Ensure the blower system is correctly assembled.
• Check that the ignition lead plug is firmly seated. Loose connections can cause sparks that ignite fuel mixture – fire hazard!
• Check the blower wheel and blower housing for damage. Damage to the blower housing (cracks, breaks) can lead to injuries from ejected foreign objects. Have damaged housings repaired by a specialist dealer.
• Do not modify controls or safety devices.
• Only operate the machine if it is in a safe working condition – accident hazard!

Starting the Engine

• Start the engine at least 3 meters (10 ft) away from the refueling location, and not in enclosed spaces.
• Only one person should operate the machine. Keep other persons away from the work area, even during starting.
• Do not start the engine while holding the machine in your hand; follow the instructions in the manual.
• On level ground, adopt a stable, secure stance and hold the machine securely.
• After starting, the air stream can pick up objects (e.g., stones) and eject them.

During Work

• In case of imminent danger or emergency, stop the engine immediately by setting the control lever/stop switch to STOP or 0.
• Only one person should operate the machine. Keep other persons away from the work area.
• Keep bystanders at least 15 m (50 ft) away – risk of injury from ejected objects!
• Maintain distance from objects (vehicles, windows) – risk of material damage!
• Never direct the air stream at people or animals. The machine can pick up small objects and eject them at high speed – risk of injury!
• When blowing or vacuuming in open areas and gardens, be aware of small animals to avoid harming them.
• Never leave the machine running unattended.
• Be cautious on icy, wet, or snowy ground, on slopes, and on uneven terrain – risk of slipping!
• Watch out for obstacles: debris, stumps, roots, ditches – risk of tripping!
• Never work on ladders or in unstable positions.
• When wearing hearing protection, pay extra attention and exercise greater caution, as your perception of warning sounds (shouts, acoustic signals, etc.) is limited.
• Work calmly and prudently, and only when light and visibility conditions are adequate. Do not endanger others.
• Take regular breaks to prevent fatigue and exhaustion – accident hazard!
• Mufflers with catalytic converters can reach very high temperatures.
• The machine produces toxic exhaust gases as soon as the engine starts. These gases can be odorless and invisible but may contain unburned hydrocarbons and benzene. Never operate the machine in enclosed or poorly ventilated spaces, even with catalytic converter machines.
• When working in trenches, pits, or confined spaces, ensure adequate ventilation – risk of fatal poisoning!
• If you experience malaise, headaches, vision problems (e.g., reduced field of vision), hearing impairment, dizziness, or loss of concentration, stop working immediately. These symptoms can be caused by high exhaust gas concentrations – accident hazard!
• Do not smoke while operating the machine or in its immediate vicinity – fire hazard! Flammable gasoline vapors can escape from the fuel system.
• If dust is generated, wear a dust mask.
• Operate the machine with minimal noise and low throttle; do not let the engine idle unnecessarily. Only throttle up for work.
• After work, place the machine on a flat, non-flammable surface. Keep it away from easily flammable materials (e.g., wood shavings, bark, dry grass, fuel) – fire hazard!
• Do not insert objects into the protective grille or nozzle into the blower housing. The blower can eject them at high speed – risk of injury!
• If the machine's running behavior changes significantly (e.g., increased vibrations), interrupt work and rectify the cause.
• If the machine has been subjected to stresses for which it was not designed (e.g., impacts or falls), check its safe operation before further use. Refer to "Before Starting." Check the fuel system for leaks and the function of safety devices. Never continue to use the machine if it does not meet safety requirements. Consult a specialist dealer if in doubt.

Using the Blower

• The blower is designed for one-handed operation. Hold the machine with your right hand on the control handle. Always hold the machine firmly.
• When blowing in open areas and gardens, pay attention to small animals.
• Walk forward slowly, always watching the outlet of the blower tube; do not walk backward – risk of tripping!
• WARNING: Operate the machine only with the blower tube fully assembled – risk of injury!
• The round nozzle is particularly suitable for uneven terrain (e.g., lawns and grass areas).
• The flat nozzle (included or available as an optional accessory) generates a flat air stream that can be used systematically and controlled, especially for blowing flat surfaces covered with wood chips, leaves, cut grass, or similar.

Using the Suction Device

• Observe the instructions for attachment in the relevant chapter of this manual.
• The shredder-vacuum is designed for two-handed operation. Hold the machine with your right hand on the control handle and your left hand on the housing grip.
• Hang the carrying strap of the collection bag over one shoulder. Practice depositing the machine and removing the collection bag to quickly move the machine and bag away from your body – risk of injury!

Working Technique

• Use rakes and brooms to minimize blowing time by loosening dirt particles before blowing.
• If necessary, moisten the surface to be blown to prevent excessive dust generation.
• Do not blow dirt particles towards people, especially children, domestic animals, open windows, or freshly washed vehicles. Carefully blow dirt particles away with the blower.
• Dispose of accumulated dirt in a waste bin, do not blow it onto adjacent properties.
• Operate the machines only during reasonable hours – not early in the morning, late at night, or during midday rest periods when it could disturb others. Observe local quiet hours.
• Operate the machine at the lowest speed necessary for the task.
• Check the equipment before work, especially the muffler, air intake openings, and air filter.

Vibrations

• Prolonged use of the machine can cause circulatory disorders in the hands ("white finger disease") due to vibrations.
• A general usage duration cannot be established, as it depends on various influencing factors.
• Usage time is extended by: Warm hands, taking breaks.
• Usage time is shortened by: Personal predisposition to poor circulation (symptoms: frequent cold fingers, tingling), low temperatures, grip force (firm grip restricts blood flow).
• If you work regularly and for long periods with the machine and repeatedly experience such symptoms (e.g., tingling in the fingers), medical examination is recommended.

Maintenance and Repairs

• Perform regular maintenance on the machine. Only perform maintenance and repair work described in this manual. Entrust all other work to a specialist dealer.
• STIHL recommends entrusting maintenance and repair work to a STIHL specialist dealer. STIHL specialist dealers regularly attend training courses and have technical information available.
• Failure to perform maintenance on time or correctly can result in damage for which the user is responsible. This includes: Engine damage due to untimely or insufficient maintenance (e.g., air and fuel filters), incorrect carburetor adjustment, or insufficient cleaning of cooling air passages (intake fins, cylinder fins). Corrosion damage and other damage from improper storage. Machine damage due to the use of low-quality spare parts.
• When performing repairs, use only STIHL-approved spare parts or technically equivalent parts. Use only high-quality spare parts, otherwise there is a risk of accidents or machine damage. If in doubt, consult a specialist dealer.
• STIHL recommends using only original STIHL spare parts. Their properties are optimally matched to the machine and user requirements.
• When performing repairs, maintenance, and cleaning, always stop the engine – risk of injury! Exception: carburetor and idle adjustment.
• Do not start the engine with the spark plug disconnected or removed – fire hazard from sparks outside the cylinder!
• Do not perform maintenance on the machine or store it near open fire.
• Periodically check the fuel tank cap for leaks.
• Use only spark plugs in perfect condition, approved by STIHL – see "Technical Data."
• Inspect the ignition lead (perfect insulation, firm connection).
• Regularly check the muffler for perfect condition.
• Do not operate with a damaged or missing muffler – fire hazard! – hearing damage!
• Do not touch a hot muffler – risk of burns!
• The condition of the anti-vibration elements affects the vibration behavior – regularly check these elements.
• Stop the engine to rectify faults.

Completing the Blower

4.1 Attaching the Blower Tube

• Align the arrows (1).
• Adjust the collar nut so that the symbol is aligned with the arrows.
• Mount the blower tube (2) as far as it will go into the collar nut recess (3).
• Align the collar nut (4) over the collar nut up to the stop.
• Turn the collar nut (4) in the direction of the arrow until the symbol is aligned with the arrows – the collar nut engages audibly.
• Mount the nozzle (5) in position (a) (long) or position (b) (short) on the blower tube (2) up to the stop and lock it in the direction of the arrow.

Completing the Shredder-Vacuum

5.1 Mounting the Elbow

• Insert the elbow (1) into the collection bag (2) up to the mark (arrow).
• Tighten the strap (3) on the collection bag and press the flange (4) downwards.
• NOTICE: The zipper of the collection bag must be closed.

5.2 Completing the Suction Tube

• Align the suction tube and its extension with the arrows, compress them, and engage them.

5.3 Mounting the Suction Tube

• Stop the engine.
• Insert the screwdriver into the flange (1) and press it – this disengages the protective guard (2) – open the protective guard.
• Align the arrows (5).
• Adjust the collar nut so that the symbol is aligned with the arrows.
• Mount the elbow up to the stop in the collar nut recess (6).
• Align the collar nut (7) over the collar nut up to the stop.
• Turn the collar nut (7) in the direction of the arrow until the symbol is aligned with the arrows – the collar nut engages audibly.
• Continue turning the collar nut (7) in the direction of the arrow and tighten it firmly.

5.4 Dismounting the Elbow

• Stop the engine.
• Press the flange through the opening in the collar nut with a suitable tool.
• Turn the collar nut in the direction of the arrow up to the stop.
• Remove the elbow.

Fuel

6.1 STIHL MotoMix

• STIHL recommends using STIHL MotoMix. This benzene- and lead-free mixed fuel has a high octane rating and the correct mixture ratio.
• STIHL MotoMix is mixed for maximum engine durability with STIHL HP Ultra two-stroke motor oil.
• MotoMix may not be available in all markets.

6.2 Mixing Fuel

NOTICE: Using incorrect service products or mixture ratios can cause serious engine damage. Poor quality gasoline or motor oil can damage the engine, O-rings, hoses, and fuel tank.

6.2.1 Gasoline

• Use only branded gasoline with a minimum octane rating of 90 ROZ, with or without lead.
• Gasoline with an alcohol content exceeding 10% may cause functional anomalies in engines with manual carburetor adjustment and should not be used for these engines.
• Engines equipped with M-Tronic deliver full power using gasoline with an alcohol content (E27) of up to 27%.

6.2.2 Motor Oil

• If you mix the fuel yourself, use only STIHL two-stroke motor oil or other high-performance motor oil of the JASO FB, JASO FC, JASO FD, ISO-L-EGB, ISO-L-EGC, or ISO-L-EGD classes.
• STIHL specifies STIHL HP Ultra two-stroke motor oil or a similar high-performance motor oil to guarantee emission limit values throughout the machine's service life.

6.2.3 Mixture Ratio

• With STIHL two-stroke motor oil: 1:50. 1:50 = 1 part oil + 50 parts gasoline.

6.2.4 Examples

• In an approved fuel container, add motor oil first, then gasoline, and mix well.

6.3 Storing Fuel Mixture

• Store only in approved fuel containers in a safe, dry, cool place, protected from light and sun.
• Fuel mixture ages; mix only the quantity needed for a few weeks. Do not store fuel mixture for more than 30 days. Light, sun, high or low temperatures can accelerate the aging of the fuel mixture.
• However, STIHL MotoMix can be stored for up to 5 years without problems.
• Before refueling, shake the container with the mixture vigorously.
• WARNING: Pressure can build up in the container – open carefully.
• Clean the fuel tank and container thoroughly from time to time.
• Collect residual fuel and cleaning liquid and take them to a collection point.

Refueling

7.1 Preparing the Machine

• Before refueling, clean the fuel cap and surrounding area to prevent dirt from entering the tank.
• Position the machine so that the fuel cap faces upwards.
• STIHL recommends using the STIHL fuel filling system (special accessory).

7.2 Refueling

• Do not spill fuel or fill the tank to the brim.
• Open the fuel cap.
• Refuel.
• Close the fuel cap.

7.3 Changing the Fuel Suction Head

• Change the suction head annually: Empty the fuel tank. Remove the fuel suction head from the tank with a hook and pull it off the flexible tube. Insert a new suction head into the flexible tube. Replace the suction head in the tank.

Starting / Stopping the Engine

8.1 Starting the Engine

• Observe safety regulations.
• Press the bellows (1) of the manual fuel pump at least 5 times, until the bellows are filled with fuel.
• 8.1.1 Adjusting the Control Lever (BG 66 C, BG 86, SH 86 only)
• To start, set the control lever to service position I.
• The control lever (2) can be used to lock the throttle (3) at any position during work.

8.1.2 Adjusting the Rotary Knob

• With cold engine: Set the starter butterfly rotary knob to I.
• With warm engine: Set the starter butterfly rotary knob to . This position also serves when the engine has been running but is still cold.

8.1.3 Starting

• Place the machine securely on the ground.
• Adopt a stable stance: firmly press the machine against the ground by the housing with your right hand.
• With your left hand, grip the starter handle.
• Starting with ErgoStart: Pull the starter handle evenly.
• Starting without ElastoStart: Slowly pull the starter handle until resistance is felt, then pull it quickly and forcefully.
• NOTICE: Do not pull the cord to its extreme end – risk of breakage!
• Do not let the starter handle retract abruptly – guide it back in the opposite direction of pulling so that the cord winds up correctly.

Once the Engine is Running

8.2

• Briefly operate the throttle (3) – the starter butterfly rotary knob jumps to operating position I – the engine idles.

8.3 Stopping the Engine

• BG 56, BG 66, SH 56: Move the stop switch to position 0 – the engine stops – the stop switch automatically returns to its position after being actuated.
• BG 66 C, BG 86, SH 86: Move the control lever towards 0 – the engine stops – the control lever returns to its position after being actuated.

8.4 Further Starting Information

• If the engine stops while the rotary knob is in position I or when accelerating: Turn the starter butterfly rotary knob to – continue starting until the engine runs.
• If the engine does not start: Check that all settings are correct (throttle position, control lever in operating position I). Repeat the starting process.
• The tank has been completely emptied and refueled: Press the bellows (1) of the manual fuel pump at least 5 times, even if the bellows are filled with fuel. Restart the engine.

Cleaning the Air Filter

9

Dirty air filters reduce engine power, increase fuel consumption, and make starting difficult.

9.1 Different Air Filters

Depending on the execution, the machines are equipped with different air filters. Machines can differ by the air filter housing and the air filter itself.

9.2 Execution with Folded Filter Material

• Turn the filter cover screw (1) counterclockwise to the vertical position.
• Remove the filter cover (2).
• Remove major dirt from the surroundings of the air filter.

9.3 Execution with Flat Filter Material

• Unscrew the filter cover screw (1) counterclockwise.
• Remove the filter cover (2).
• Remove major dirt from the surroundings of the air filter.
• Remove the filter element (3) and take the air filter (4) out of its housing (5).
• Replace the air filter. For temporary use, tap it lightly or blow it out – do not wash! Replace damaged parts.
• 9.2.1 Installing the Filter: Place the air filter (4) in the filter housing (5) and install the element (3). Seat the filter cover (2) and turn the filter cover screw clockwise to the horizontal position.

9.3.1 Cleaning the Air Filter

• Tap the filter lightly or blow it out with compressed air from the inside out.
• For stubborn dirt or if the filter fabric is clogged: Wash the filter in STIHL special detergent (special accessory) or a clean, non-flammable liquid detergent (e.g., warm soapy water) – rinse the air filter from the inside out under running water – do not use a high-pressure cleaner.
• Dry the filter – do not expose to extreme heat.
• 9.3.2 Installing the Air Filter: Place the air filter in its housing. Seat the filter cover and screw the filter cover screw clockwise.

Adjusting the Carburetor

10

The carburetor is factory-tuned to provide the engine with an optimal fuel-air mixture under all operating conditions.

Idle Speed Adjustment

10.1

• Engine stops at idle: Turn the idle stop screw (LA) clockwise until the engine runs smoothly.

Spark Plug

11

• If engine power is insufficient, starting is difficult, or idle speed is irregular, check the spark plug first.
• After approximately 100 hours of service, replace the spark plug – replace it sooner if the electrodes are heavily burned. Use only STIHL-approved spark plugs that are shielded – see "Technical Data."

11.1 Dismounting the Spark Plug

• Remove the spark plug boot (1).
• Unscrew the spark plug.

11.2 Examining the Spark Plug

• Clean the spark plug if it is dirty.
• Check the electrode gap (A) and readjust if necessary – see "Technical Data" for the gap value.
• Rectify the causes of spark plug fouling. Possible causes: Excess motor oil in the fuel, dirty air filter, unfavorable service conditions.
• WARNING: If the connection nut (1) is not tightened or is missing, sparks can occur. If working in a highly flammable or explosive environment, fires or explosions can occur. Persons can suffer serious injuries or material damage can occur. Use shielded spark plugs with a fixed connection nut.

11.3 Mounting the Spark Plug

• Screw in the spark plug (3) and firmly press the boot (2) onto the spark plug (3).

Engine Running Behavior

12

If the engine's running behavior is unsatisfactory despite cleaning the air filter and correctly adjusting the carburetor, the cause may also lie in the muffler. Have the muffler checked for fouling (carbonization) by a specialist dealer. STIHL recommends entrusting maintenance and repair work to a STIHL specialist dealer.

Storing the Machine

13

• For service breaks of approximately 30 days or more: Empty and clean the fuel tank in a well-ventilated area. Dispose of fuel residues according to ecological regulations. If equipped with a manual fuel pump: press it at least 5 times before starting the engine. Start the engine and let it run at idle until it stops. Thoroughly clean the machine, especially the cylinder fins and air filter. Store the machine in a dry, secure location. Protect it from unauthorized use (e.g., by children).

Maintenance and Care Instructions

14

The following data applies to normal operating conditions. Under more complex conditions (heavy dust accumulation, etc.) and longer daily working hours, the indicated intervals should be correspondingly reduced.

¹) STIHL recommends a STIHL specialist dealer.

²) Available only in certain countries.

Minimizing Wear and Preventing Damage

15

Observing the instructions in this manual prevents excessive wear and damage to the machine.

The use, maintenance, and storage of the machine must be carried out with the care described in this manual. All damage caused by non-compliance with safety, operating, and maintenance instructions is the responsibility of the user. This applies in particular to:

• Unauthorized modifications to the product by STIHL.
• Use of tools or accessories not approved or not suitable for the machine, or of poor quality.
• Use of the machine in sporting events or competitions.
• Use of the machine for inappropriate purposes.
• Damage resulting from continued use of the machine with defective components.

15.1 Maintenance Work

• All tasks specified in the "Maintenance and Care Instructions" chapter must be performed regularly. If you cannot perform these maintenance tasks yourself, you must entrust them to a specialist dealer.
• STIHL recommends entrusting maintenance and repair work to a STIHL specialist dealer. STIHL specialist dealers regularly attend training courses and have technical information available.
• Failure to perform these tasks on time or correctly can result in damage for which the user is responsible. This includes: Engine damage due to untimely or insufficient maintenance (e.g., air and fuel filters), incorrect carburetor adjustment, or insufficient cleaning of cooling air passages (intake fins, cylinder fins). Corrosion damage and other damage from improper storage. Machine damage due to the use of low-quality spare parts.

15.2 Wear Parts

Some parts of the machine are subject to normal wear even with appropriate use and must be replaced in due course depending on the type and duration of use. These include, among others:

• Filter (for air, fuel)
• Blower wheel, shredder star
• Collection bag
• Starter device
• Spark plug

Important Components

16

Diagram showing important components with numbered callouts:

• 1 Control Lever (BG 66 C, BG 86, SH 86)
• 2 Spark Plug Boot
• 3 Muffler
• 4 Starter Handle
• 5 Idle Stop Screw (LA)
• 6 Manual Fuel Pump
• 7 Starter Butterfly Rotary Knob
• 8 Filter Cover
• 9 Filter Cover Screw
• 10 Fuel Tank Cap
• 11 Fuel Tank
• 12 Handle
• 13 Control Handle
• 14 Stop Button (BG 56, BG 66, SH 56)

Technical Data

17

17.1 Engine

• Single-cylinder, two-stroke engine
• Displacement: 27.2 cm³
• Cylinder bore: 34 mm
• Stroke: 30 mm
• Idle speed: 2500 rpm
• Power:
• BG 56: 0.7 kW (1.0 HP)
• BG 66: 0.6 kW (0.8 HP)
• BG 86: 0.8 kW (1.1 HP)
• SH 56: 0.7 kW (1.0 HP)
• SH 86: 0.8 kW (1.1 HP)

17.2 Ignition System

• Electronic control magneto ignition
• Spark plug (shielded): NGK CMR6H, ZK 10 C of STIHL
• Electrode gap: 0.5 mm

17.3 Fuel System

• Diaphragm carburetor with integrated fuel pump
• Fuel tank capacity:
• BG 56: 540 cm³ (0.54 l)
• BG 66: 540 cm³ (0.54 l)
• BG 56 C: 440 cm³ (0.44 l)
• BG 86: 440 cm³ (0.44 l)
• SH 56: 540 cm³ (0.54 l)
• SH 86: 440 cm³ (0.44 l)

17.4 Blowing Force (Round Nozzle)

• BG 56: 13 N

Air Speed (Blowing Service)

Air Volume

Maximum Air Speed (Blowing Service)

Maximum Air Volume (without blowing system)

17.5 Weight

17.6 Sound and Vibration Values

For more details regarding compliance with the employers' guideline on vibration, 2002/44/EC, see www.stihl.com/vib.

17.6.1 Sound Pressure Level Lpeq according to DIN EN ISO 22868

17.6.2 Sound Power Level Lw according to DIN EN ISO 22868

17.6.3 Vibration Values ahv,eq according to DIN EN ISO 22867

For sound intensity level and sound power level, the factor K according to RL 2006/42/CE is = 2.5 dB(A); for vibration values, the factor K according to RL 2006/42/CE is = 2.0 m/s².

17.7 REACH

REACH designates a CE ordinance for the registration, evaluation, and authorization of chemical products. For information on fulfilling REACH ordinance (EC) No. 1907/2006, see www.stihl.com/reach.

17.8 Exhaust Gas Emission Value

The CO2 value measured in the EU type-approval system procedure is indicated at www.stihl.com/co2. Refer to the specific technical data of the product. The measured CO2 value has been determined on a representative engine according to a standardized laboratory test procedure and does not represent an explicit or implicit guarantee of the performance of a specific engine. Compliance with the corresponding exhaust gas emission requirements is met when using and maintaining the machine as stipulated in this operating manual. Engine modifications will void the operating permit.

Indications for Repair

18

Users of this machine should only perform maintenance and care tasks specified in this manual. More extensive repairs must be carried out only by specialist dealers. STIHL recommends entrusting maintenance and repair work to a STIHL specialist dealer. STIHL specialist dealers regularly attend training courses and have technical information available. For repairs, use only STIHL-approved spare parts or technically equivalent parts. Use only high-quality spare parts, otherwise there is a risk of accidents or machine damage. If in doubt, consult a specialist dealer. STIHL recommends using only original STIHL spare parts. Original STIHL parts are recognized by the STIHL spare part number, the STIHL logo, and, where applicable, the STIHL spare parts anagram (on small parts, this anagram may also be found alone).

Waste Disposal

19

Municipal administration or STIHL specialist dealers provide information on waste disposal. Improper disposal can harm health and the environment.

• Take STIHL products, including packaging, to an approved collection point for recycling in accordance with local regulations. Do not dispose of them in household waste.

EU Declaration of Conformity

20

ANDREAS STIHL AG & Co. KG, Badstr. 115, D-71336 Waiblingen, Germany, declares under its sole responsibility that:

Type: Blower/shredder-vacuum

Make: STIHL

Model: BG 56, BG 56 C, BG 56 C-E, BG 66, BG 66 C, BG 66 C-E, BG 86, BG 86 C, BG 86 C-E, SH 56, SH 56 C, SH 56 C-E, SH 86, SH 86 C, SH 86 C-E

Serial identification: 4241

Displacement: 27.2 cm³

complies with the relevant provisions of directives 2011/65/UE, 2006/42/CE, 2014/30/UE and 2000/14/CE and has been developed and manufactured in each case in accordance with the versions of the following standards in force on the date of production: EN ISO 12100, EN ISO 22868, EN ISO 22867, EN 55012, EN 61000-6-1.

To determine the measured and guaranteed sound power level, compliance has been achieved according to directive 2000/14/CE, Annex V, applying standard ISO 11094.

Measured Sound Power Level

• All BG 56: 104 dB(A)
• All BG 66: 96 dB(A)
• All BG 86: 104 dB(A)
• All SH 56: 104 dB(A)
• All SH 86: 105 dB(A)

Guaranteed Sound Power Level

• All BG 56: 106 dB(A)
• All BG 66: 98 dB(A)
• All BG 86: 106 dB(A)
• All SH 56: 105 dB(A)
• All SH 86: 107 dB(A)

Technical Documentation Conservation: ANDREAS STIHL AG & Co. KG, Produktzulassung. The year of construction and the machine number are indicated on the machine. Waiblingen, 01/10/2024. Sincerely, Rolf Olma, Vice President, Regulatory Affairs & Global Governmental Relations.

UK Declaration of Conformity

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ANDREAS STIHL AG & Co. KG, Badstr. 115, D-71336 Waiblingen, Germany, declares under its sole responsibility that:

Type: Blower/shredder-vacuum

Make: STIHL

Model: BG 56, BG 56 C, BG 56 C-E, BG 66, BG 66 C, BG 66 C-E, BG 86, BG 86 C, BG 86 C-E, SH 56, SH 56 C, SH 56 C-E, SH 86, SH 86 C, SH 86 C-E

Serial identification: 4241

Displacement: 27.2 cm³

corresponds to the provisions and regulations of the United Kingdom The Restriction of the Use of Certain Hazardous Substances in Electrical and Electronic Equipment Regulations 2012, Supply of Machinery (Safety) Regulations 2008, Electromagnetic Compatibility Regulations 2016 and Noise Emission in the Environment by Equipment for use Outdoors Regulations 2001 and has been developed and manufactured in each case in accordance with the valid versions on the date of production according to: EN ISO 12100, EN ISO 22868, EN ISO 22867, EN 55012, EN 61000-6-1.

To determine the measured and guaranteed sound power levels, compliance has been achieved according to the UK regulation Noise Emission in the Environment by Equipment for use Outdoors Regulations 2001, Schedule 8, applying standard ISO 11094.

Measured Sound Power Level

• All BG 56: 104 dB(A)
• All BG 66: 96 dB(A)
• All BG 86: 104 dB(A)
• All SH 56: 104 dB(A)
• All SH 86: 105 dB(A)

Guaranteed Sound Power Level

• All BG 56: 106 dB(A)
• All BG 66: 98 dB(A)
• All BG 86: 106 dB(A)
• All SH 56: 105 dB(A)
• All SH 86: 107 dB(A)

Technical Documentation Conservation: ANDREAS STIHL AG & Co. KG. The year of construction and the machine number are indicated on the machine. Waiblingen, 01/10/2024. Sincerely, Rolf Olma, Vice President, Regulatory Affairs & Global Governmental Relations.

Addresses

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