STIHL BG 56, 66, 86, SH 56, 86
Contents
1. 69 m s SH 56 64 m s SH 86 69 m s Blower mode at fan nozzle BG 56 72 m s BG 86 85 m s SH 56 72 m s SH 86 85 m s Weight Dry blower mode BG 56 4 1 4 2 kg BG 66 4 4 kg BG 66 C 4 7 kg BG 86 4 4 4 5 kg Depending on equipment Dry vacuum mode SH 56 SH 86 5 2 kg 5 6 kg Noise and Vibration Data For further details on compliance with Vibration Directive 2002 44 EC see www stihl com vib Sound pressure level Lpeq to DIN EN 15503 Vacuum Blower mode mode BG 56 90 dB A 94 dB A BG 66 86 dB A BG 86 90 dB A 93 dB A SH 56 90 dB A 94 dB A SH 86 90 dB A 93 dB A Sound power level Ly to DIN EN 15503 Vacuum Blower mode mode BG 56 104 dB A 105 dB A BG 66 98 dB A BG 86 104 dB A 106 dB A SH 56 104 dB A 105 dB A SH 86 104 dB A 106 dB A BG 56 BG 56 C BG 66 BG 66 C BG 86 BG 86 C SH 56 SH 56 C SH 86 SH 86 C Vibration measurement apy eq to DIN EN 15503 Blower mode Handle right BG 56 7 5 m s BG 66 7 8 m s BG 66 C 2 1 m s BG 86 2 5 m s SH 56 7 5 m s SH 86 2 5 m s Vacuum mode Handle left Handle right BG 56 8 5 m s 7 5 m s BG 86 2 5 m s 1 9 m s SH56 8 5 m s 7 5 m s SH86 2 5 m s 1 9 m s The K factor in accordance with Directive 2006 42 EC is 2 5 dB A for the sound pressure level and sound power level the K factor in accordance with Directive 2006 42 EC is 2 0 m s for the vibration measurement REACH REACH i2. and animals away from the work area When the unit is not in use put it in a place where it does not endanger others Secure it against unauthorized use BG 56 BG 56 C BG 66 BG 66 C BG 86 BG 86 C SH 56 SH 56 C SH 86 SH 86 C The user is responsible for avoiding injury to third parties or damage to their property Do not lend or rent your power tool without the instruction manual Be sure that anyone using your power tool understands the information contained in this manual The use of noise emitting power tools may be restricted to certain times by national or local regulations Do not operate your unit if any of its components are damaged Do not use a pressure washer to clean the unit The solid jet of water may damage parts of the unit Accessories and Spare Parts Only use parts and accessories that are explicitly approved for this power tool by STIHL or are technically identical If you have any questions in this respect consult a servicing dealer Use only high quality parts and accessories in order to avoid the risk of accidents and damage to the unit STIHL recommends the use of genuine STIHL replacement parts They are specifically designed to match the product and meet your performance requirements Never attempt to modify your unit in any way since this may increase the risk of personal injury STIHL excludes all liability for personal injury and damage to property caused while using unauthor
3. If the spark plug comes with a detachable adapter nut 1 screw the adapter onto the thread and tighten it down firmly to reduce the risk of arcing and fire BG 56 BG 56 C BG 66 BG 66 C BG 86 BG 86 C SH 56 SH 56 C SH 86 SH 86 C 19 English Engine Running Behavior If engine running behavior is unsatisfactory even though the air filter is clean and the carburetor is properly adjusted the cause may be the muffler Have the muffler checked for contamination carbonization by your servicing dealer STIHL recommends that you have servicing and repair work carried out exclusively by an authorized STIHL servicing dealer 20 Rewind Starter To help prolong the wear life of the starter rope observe the following points e Pull the starter rope only in the direction specified e Donot pull the rope over the edge of the guide bushing e Do not pull out the rope more than specified e Do not allow the starter grip to snap back guide it back into the housing slowly see chapter on Starting Stopping the Engine Have a damaged starter rope replaced by your dealer before it breaks completely STIHL recommends that you have servicing and repair work carried out exclusively by an authorized STIHL servicing dealer Storing the Machine For periods of 3 months or longer e Drain and clean the fuel tank in a well ventilated area e Dispose of fuel properly in accordance with local environmental requ
4. pump 7 Choke knob 8 Filter cover 9 Filter cover lock 10 Tank cap 11 Fuel tank 12 Handle 13 Control handle 14 Stop switch BG 56 BG 66 SH 56 15 Throttle trigger 16 Protective screen 17 Union nut 18 Blower tube BG 56 BG 86 SH 56 19 Round nozzle 20 Fan nozzle 21 Suction tube 22 Elbow 23 Catcher bag 24 Blower tube silencer BG 66 Serial number Depending on version special accessory 296BA003 KN BG 56 BG 56 C BG 66 BG 66 C BG 86 BG 86 C SH 56 SH 56 C SH 86 SH 86 C 23 English Specifications Engine Single cylinder two stroke engine Displacement 27 2 cc Bore 34 mm Stroke 30 mm Idle speed 2 500 rpm Engine power to ISO 7293 BG 56 0 7 kW 1 0 bhp BG 66 0 6 kW 0 8 bhp BG 86 0 8 kW 1 1 bhp SH 56 0 7 kW 1 0 bhp SH 86 0 8 kW 1 1 bhp Ignition System Electronic magneto ignition Spark plug resistor type Electrode gap NGK CMR 6 H 0 5 mm Fuel System All position diaphragm carburetor with integral fuel pump 24 Fuel tank capacity BG 56 540 cc 0 54 BG 66 540 cc 0 54 BG 66 C 440 cc 0 44 BG 86 440 cc 0 44 SH 56 540 cc 0 54 SH 86 440 cc 0 44 Maximum air flow rate Blower mode without nozzle Vacuum mode BG 56 730m h BG 66 730 m h apt BG 86 810 m h nie SH 56 730 m h 710 m h SH 86 810 m h 770 m3 h Air velocity Blower mode at round nozzle BG 56 64 m s BG 66 64 m s BG 86
5. rope can rewind properly As Soon as Engine Runs z x 5 o lt a N e Blip the throttle trigger 3 the choke knob moves to the run position I the engine returns to idle speed English Stopping the Engine If engine does not start Make sure all settings are correct choke knob setting lever in run position I BG 56 BG 66 SH 56 Repeat the starting procedure If fuel tank has been run completely dry and then refueled e Move the stop switch to 0 the engine stops the stop switch springs back to the on position z a E cd D N BG 66 C BG 86 SH 86 e Press the manual fuel pump bulb 1 at least five times even if the bulb is filled with fuel e Now start the engine Z x o N S lt a re DO N e Move the setting lever to O the engine stops the setting lever springs back to the on position Other Hints on Starting If the engine stops in position or during acceleration e Move the choke lever to and continue cranking until the engine runs BG 56 BG 56 C BG 66 BG 66 C BG 86 BG 86 C SH 56 SH 56 C SH 86 SH 86 C 15 English Cleaning the Air Filter Dirty air filters reduce engine power increase fuel consumption and make starting more difficult Different Air Filters Different models are equipped with different air filters The models can be identified by the filter housing and the air filter itself Ve
6. that it produces a minimum of noise and emissions do not run the engine unnecessarily accelerate the engine only when working After finishing work put the unit down on a level non flammable surface To reduce the risk of fire do not put it down near easily combustible materials e g wood chips bark dry grass fuel Never attempt to insert objects into the blower housing through the intake screen or the nozzle They may be expelled at very high speed by the blower risk of injury If there is a noticeable change in running behavior e g higher vibrations stop work and rectify the cause of the problem If your power tool is subjected to unusually high loads for which it was not designed e g heavy impact or a fall always check that it is in good condition before continuing work see also Before Starting Work Check the fuel system in particular for leaks and make sure the safety devices are working properly Do not continue operating your power tool if it is damaged In case of doubt consult your servicing dealer BG 56 BG 56 C BG 66 BG 66 C BG 86 BG 86 C SH 56 SH 56 C SH 86 SH 86 C Vibrations Prolonged use of the power tool may result in vibration induced circulation problems in the hands whitefinger disease No general recommendation can be given for the length of usage because it depends on several factors The period of usage is prolonged by Keeping your hands warm Wor
7. 4 B norice Make sure the zipper on the catcher bag is closed t 295BA080 KN E e Line up the arrows on the suction I D tube and extension tube Push m 6 oe lt lt together and lock in position 5 5 z Mm ND e 5 Mounting the Suction Tube Shut down the engine e Line up the arrows 5 Position the union nut so that the symbol GJ is in line with the arrows e Push the elbow into the recess in the fan housing stub 6 as far as stop 10 BG 56 BG 56 C BG 66 BG 66 C BG 86 BG 86 C SH 56 SH 56 C SH 86 SH 86 C BG 56 BG 56 C BG 66 BG 66 C BG 86 BG 86 C SH 56 SH 56 C SH 86 SH 86 C 269BA030 KN Insert screwdriver in the tab 1 and press down to disengage the intake screen 2 and then open the intake screen rA x 2 A o lt a N Line up the arrows 3 Position union nut 5 so that the opening lines up with the arrows 3 Push the suction tube into the fan housing stub 4 as far as stop Push the union nut 5 over the fan housing stub 296BA033 KN Rotate union nut 5 in direction of arrow until it snaps audibly into position Continue turning the union nut in direction of arrow and tighten it down firmly Removing the Elbow Shut down the engine z x a G lt a D N Insert a suitable tool through the opening in the union nut to press down
8. Clothing and Equipment Wear proper protective clothing and equipment Clothing must be sturdy but allow complete free dom of movement Wear snug fitting clothing an overall and jacket combi nation do not wear a work coat Avoid any clothing scarves neckties jewel lery or anything that could get into the air intake Tie up and confine long hair e g with a hair net cap hard hat etc Wear sturdy shoes with non slip soles Wear safety glasses and hearing protection e g OSO earplugs or ear muffs NY STIHL offers a comprehensive range of personal protective clothing and equipment Transporting the Unit Always stop the engine Transporting in a vehicle Properly secure your power tool to prevent turnover fuel spillage and damage English Fueling Gasoline is an extremely flammable fuel Keep clear of naked flames Do not spill any fuel do not smoke Always shut off the engine before refueling Do not fuel a hot engine fuel may spill and cause a fire Open the fuel cap carefully to allow any pressure build up in the tank to release slowly and avoid fuel spillage Fuel your power tool only in well ventilated areas If you spill fuel wipe the machine immediately if fuel gets on your clothing change immediately Check for leakage To reduce the risk of serious of fatal burn injuries do not start or run the engine until leak is fixed After fueling tighten l
9. G 86 BG 86 C SH 56 SH 56 C SH 86 SH 86 C English from the inside outwards under a jet of water do not use a pressure Adjusting the Carburetor washer e Dry the filter do not expose to high temperatures General Information Place the filter in position The carburetor comes from the factory e Install the filter element in the filter with a standard setting housing This setting provides an optimum fuel air i dure under mostoperatin Determine the required standard O Fit the filter cover and tighten the p 9 setting as follows Turn the low filter cover lock clockwise conditions speed screw L carefully clockwise as far as stop then turn it Preparations counterclockwise Is range of adjustment more than 1 turn e Shut off the engine Ma e Continue with Standard setting A e Check the air filter and clean or replace if necessary Is range of adjustment less than 1 turn e Check the spark arresting screen e Continue with Standard setting B not in all models country specific in the muffler and clean or replace if Standard setting A necessary Different Standard Settings Different carburetors are installed at the factory A different standard setting is necessary for each of these carburetors zZ x o 2 ao D N Standard setting A High speed screw H 3 4 e Turn high speed screw H counterclockwise as far as stop no more than 3 4 turn Low speed sc
10. STIHL STIHL BG 56 66 86 SH 56 86 etruction Mana Guide to Using this Manual Safety Precautions and Working Working Techniques Assembling the Blower Assembling the Vacuum Shredder Original Instruction Manual Starting Stopping the Engine Cleaning the Air Filter Adjusting the Carburetor Engine Running Behavior Rewind Starter Storing the Machine Maintenance and Care Minimize Wear and Avoid Damage Maintenance and Repairs Printing inks contain vegetable oils paper can be recycled Printed on chlorine free paper EC Declaration of Conformity ANDREAS STIHL AG amp Co KG 2014 0458 296 0121 D VA8 G14 0000006593_004_GB STIHL BG 56 BG 56 C BG 66 BG 66 C BG 86 BG 86 C SH 56 SH 56 C SH 86 SH 86 C 2 8 9 10 12 13 14 16 17 19 20 20 20 21 22 23 24 25 25 26 English Dear Customer Thank you for choosing a quality engineered STIHL product It has been built using modern production techniques and comprehensive quality assurance Every effort has been made to ensure your satisfaction and troublefree use of the product Please contact your dealer or our sales company if you have any queries concerning this product Your ha Dr Nikolas Stihl This instruction manual is protected by copyright All rights reserved especially the rights to reproduce translate and process with electronic systems English Guide to Using this Manual Pictograms The meani
11. an approved disposal site for environment friendly recycling Contact your STIHL servicing dealer for the latest information on waste disposal 25 English EC Declaration of Conformity ANDREAS STIHL AG amp Co KG Badstr 115 D 71336 Waiblingen confirms that the product described below Blower vacuum shredder STIHL BG 56 BG 56 C BG 56 C E BG 66 BG 66 C BG 66 C E BG 86 BG 86C BG 86 C E SH 56 SH 56 C SH 56 C E SH 86 SH 86 C SH 86 C E 4241 27 2 cc conforms to the specifications of Directives 2006 42 EC 2004 108 EC and 2000 14 EC and has been developed and manufactured in compliance with the following standards EN ISO 12100 EN 15503 EN 55012 EN 61000 6 1 Category Make Model Serial identification Displacement 26 The measured and guaranteed sound power levels were determined according to Directive 2000 14 EC Annex V using the ISO 11094 standard Measured sound power level all BG 56 102 dB A all BG 66 99 dB A all BG 86 102 dB A all SH 56 103 dB A all SH 86 103 dB A Guaranteed sound power level all BG 56 104 dB A all BG 66 101 dB A all BG 86 104 dB A all SH 56 105 dB A all SH 86 105 dB A Technical documents deposited at ANDREAS STIHL AG amp Co KG Produktzulassung Product Licensing The year of manufacture and serial number are applied to the product Done at Waiblingen 01 07 2014 ANDREAS STIHL AG amp Co KG Dia Law S Thoma
12. arting Stopping the Engine Starting the Engine e Observe safety precautions 296BA009 KN e Press the manual fuel pump bulb 1 at least five times even if the bulb is filled with fuel Adjusting the setting lever Only on BG 66 C BG 86 SH 86 z x o 3 lt ao re N e To start move the setting lever to the run position I 14 296BA007 KN The setting lever 2 allows the throttle trigger 3 to be locked in any required position during operation Adjusting the choke knob If the engine is cold 295BA067 KN e Turn the choke knob to 4 If the engine is warm a x ed SI lt ra Q o N e Turn the choke knob to Also use this setting if the engine has been running but is still cold Cranking e Place the unit on the ground so that it is secure Make sure you have a firm footing Hold the unit firmly with your right hand on the housing and press down Hold the starter grip with your left hand Version with ErgoStart e Pullthe starter grip steadily Version without ErgoStart e Pull the starter grip slowly until you feel it engage and then give it a brisk strong pull lkor ce Do not pull out the starter rope all the way it might otherwise break BG 56 BG 56 C BG 66 BG 66 C BG 86 BG 86 C SH 56 SH 56 C SH 86 SH 86 C e Donotlet the starter grip snap back Guide it slowly back into the housing so that the starter
13. down the screw type fuel cap as securely as possible This reduces the risk of unit vibrations causing the fuel cap to loosen or come off and spill quantities of fuel Before Starting Check that your power tool is properly assembled and in good condition refer to appropriate chapters in the instruction manual Check the fuel system for leaks paying special attention to visible parts such as the tank cap hose connections and the manual fuel pump on machines so equipped If there are any leaks or damage do not start the engine risk of fire Have your machine repaired by a servicing dealer before using it again Throttle trigger must move freely and spring back to the idle position when released Setting lever switch must move easily to STOP or 0 Keep the handles dry and clean free from oil and dirt for safe control of the power tool The blower tubes must be properly assembled Check that the spark plug boot is secure a loose boot may cause arcing that could ignite combustible fumes and cause a fire Check condition of blower wheel and blower housing see sections on Using the Blower Vacuum Attachment A worn blower housing cracks nicks chips may result in an increased risk of injury from thrown foreign objects If the blower housing is damaged consult your dealer STIHL recommends you contact a STIHL servicing dealer Never attempt to modify t
14. en pets open windows or freshly washed vehicles Take special care in such situations Remove the blow swept debris in rubbish bins do not blow it onto the neighbor s land Recommended working technique to minimize noise Operate your power tool at reasonable times only not early in the morning late at night or during midday rest periods when people could be disturbed Observe local rest periods Operate blowers at the lowest engine speed necessary to accomplish the task Check your blower before starting work Pay special attention to the muffler air intakes and air filter BG 56 BG 56 C BG 66 BG 66 C BG 86 BG 86 C SH 56 SH 56 C SH 86 SH 86 C Assembling the Blower Mounting the Blower Tube 296BA016 KN Line up the arrows 1 Position the union nut so that the symbol amp is in line with the arrows e Push the blower tube 2 into the fan housing stub 3 as far as stop 296BA017 KN e Push the union nut 4 over the fan housing stub as far as stop e Rotate the union nut 4 in direction of arrow until symbol G is in line with the arrows union nut snaps audibly into position BG 56 BG 56 C BG 66 BG 66 C BG 86 BG 86 C SH 56 SH 56 C SH 86 SH 86 C BG 56 BG 86 SH 56 SH 86 2 x 2 a lt a a N e Push nozzle 5 onto blower tube 2 as far as lug 6 position a long or position b short and rotate noz
15. fuel mix unusable STIHL MotoMix may be stored for up to 2 years without any problems e Thoroughly shake the mixture in the canister before fueling your machine A warnino Pressure may build up in the canister open it carefully e Clean the fuel tank and canister from time to time BG 56 BG 56 C BG 66 BG 66 C BG 86 BG 86 C SH 56 SH 56 C SH 86 SH 86 C English Dispose of remaining fuel and cleaning e Open the filler cap fluid properly in accordance with local regulations and environmental requirements e Closing the cap mt A warnine After fueling tighten down the filler cap Preparations as securely as possible Fuelin 9 Fill up with fuel Changing the fuel pickup body 2 3 8 2 a D E zZ x o lt a te feo N e Before fueling clean the filler cap and the area around it to ensure that no dirt falls into the tank Change the fuel pick up body every e Position the machine so that the year filler cap is facing up e Drain the fuel tank STIHL recommends you use the STIHL e Use a hook to pull the fuel pickup filler nozzle for fuel special accessory body out of the tank and take it off the hose Fill up with fuel e Push the new pickup body into the hose Take care nat to spill fuel while fueling e Place the pickup body in the tank and do not overfill the tank BG 56 BG 56 C BG 66 BG 66 C BG 86 BG 86 C SH 56 SH 56 C SH 86 SH 86 C 13 English St
16. he controls or the safety devices in any way To reduce the risk of accidents do not operate the unit if it is not properly assembled and in good condition Starting the Engine Start the engine at least 3 meters from the fueling spot outdoors only Your power tool is designed to be operated by one person only Do not allow other persons in the work area even when starting Do not drop start the power tool start the engine as described in the instruction manual Place the power tool on level ground make sure you have secure footing hold the power tool securely As soon as the engine starts the air flow may throw small objects e g stones in your direction Using the Blower Your blower is designed for one handed operation It must be carried by the control handle in the right hand BG 56 BG 56 C BG 66 BG 66 C BG 86 BG 86 C SH 56 SH 56 C SH 86 SH 86 C Always hold the power tool firmly in your hand Walk slowly forwards as you work observe the nozzle outlet at all times do not walk backwards risk of stumbling A warnine To reduce the risk of injury operate the unit only with a properly mounted blower tube The round nozzle is particularly suitable for use on uneven surfaces e g fields and lawns The fan nozzle either included with power tool or available as special accessory produces a broad and powerful airstream at ground level It can be aimed and cont
17. irements e Run the engine until the carburetor is dry this helps prevent the carburetor diaphragms sticking together 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 BG 56 BG 56 C BG 66 BG 66 C BG 86 BG 86 C SH 56 SH 56 C SH 86 SH 86 C English Maintenance and Care The following intervals apply to normal operating conditions only If your daily work ss ing time is longer or operating conditions are difficult very dusty work area etc T a shorten the specified intervals accordingly 2 x S o Q s 2 2 lol E E Q vd S 5 5 3 3 o E S gt g S e 2 ba 2 gt 2 E o 5 5 5 2 Q 3 5 9 S a 2 e a E Visual inspection condition wear x Complete machine leaks Clean x Control handle Check operation x x Clean x x Air filter Replace x x Check x Manual fuel pump if fitted Have repaired by servicing dealer x Check x Filter in fuel tank Replace filter x x x Fuel tank Clean x x Check idle setting x x Carburetor Readjust idle x Readjust electrode gap x Spark plug Replace after 100 hours of operation Spark arresting screen in muffler Check x Have replaced by servicing dealer x x Cooling inlets Clean x All accessible sc
18. ized attachments Physical Condition To operate the unit you must be rested in good physical condition and mental health If you have any condition that might be aggravated by strenuous work check with your doctor before operating a power tool Persons with pacemakers only The ignition system of your power tool produces an electromagnetic field of a very low intensity This field may interfere with some pacemakers To reduce health risks STIHL recommends that persons with pacemakers consult their physician and the pacemaker manufacturer before operating this tool Do not operate the power tool if you are under the influence of any substance drugs alcohol which might impair vision dexterity or judgment Applications The blower is designed for blow sweeping leaves grass paper and similar materials e g in gardens sports stadiums car parks and driveways It is also suitable for blow sweeping forest paths The vacuum shredder is designed for picking up dry leaves and other lightweight loose and non combustible materials Do not blow sweep or vacuum hazardous materials Do not use the power tool for any other purpose because of the increased risk of accidents and damage to the power tool BG 56 BG 56 C BG 66 BG 66 C BG 86 BG 86 C SH 56 SH 56 C SH 86 SH 86 C English itself Never attempt to modify the product in any way since this may result in accidents or damage to the product
19. k breaks The period of usage is shortened by Any personal tendency to suffer from poor circulation symptoms frequently cold fingers itching Low outside temperatures Gripping force a tight grip hinders circulation Continual and regular users should monitor closely the condition of their hands and fingers If any of the above symptoms appear e g tingling sensation in fingers seek medical advice Maintenance and Repairs Service the machine regularly Do not attempt any maintenance or repair work not described in the instruction manual 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 BG 56 BG 56 C BG 66 BG 66 C BG 86 BG 86 C SH 56 SH 56 C SH 86 SH 86 C regularly given the opportunity to attend training courses and are supplied with the necessary technical information Only use high quality replacement parts in order to avoid the risk of accidents and damage to the machine If you have any questions in this respect consult a servicing dealer STIHL recommends the use of genuine STIHL replacement parts They are specifically designed to match your model and meet your performance requirements To reduce the risk of injury always shut off the engine before carrying out any maintenance or repairs or cleaning the machine Exception Carbure
20. ng hearing protection because your ability to hear warnings shouts alarms etc is restricted Work calmly and carefully in daylight conditions and only when visibility is good Stay alert so as not to endanger others To reduce the risk of accidents take a break in good time to avoid tiredness or exhaustion Mufflers with a catalytic converter can become particularly hot Your power tool produces toxic exhaust fumes as soon as the engine is running These fumes may be colorless and odorless and contain unburned hydrocarbons and benzol Never run the engine indoors or in poorly ventilated loca tions even if your model is equipped with a cata lytic converter To reduce the risk of serious or fatal injury from breathing toxic fumes ensure proper ventilation when working in trenches hollows or other confined locations To reduce the risk of accidents stop work immediately in the event of nausea headache visual disturbances e g reduced field of vision problems with hearing dizziness deterioration in ability to concentrate Apart from other possibilities these symptoms may be caused by an excessively high concentration of exhaust gases in the work area To reduce the risk of fire do not smoke while operating or standing near your power tool Note that combustible fuel vapor may escape from the fuel system If dust levels are very high always wear a suitable respirator Operate your power tool so
21. ngs of the pictograms attached to the machine are explained in this manual Depending on the model concerned the following pictograms may be attached to your machine mi Operate manual fuel pump Fuel tank fuel mixture of gasoline and engine oil Symbols in text warnine Warning where there is a risk of an accident or personal injury or serious damage to property Elone 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 the design engineering and appearance of our products periodically Therefore some changes modifications and improvements may not be covered in this manual Safety Precautions and Working Techniques Special safety precau tions must be observed when working with a power tool It is important that you read the instruction man ual before first use and keep it in a safe place for future reference Non observance of the instruction manual may result in serious or even fatal injury OSb gt Observe all applicable local safety regulations standards and ordinances If you have not used this model before Have your dealer or other experienced user show you how to operate your unit or attend a special course in its operation Minors should never be allowed to use this product Keep bystanders especially children
22. nleaded gasoline lione A few tankfuls of leaded gasoline will greatly reduce the efficiency of the catalytic converter Gasoline with an ethanol content of more than 10 can cause running problems in engines with a manually adjustable carburetor and should not be used in such engines Engines equipped with M Tronic deliver full power when run on gasoline with an ethanol content of up to 25 E25 Engine oil Use only high quality two stroke engine oil preferably STIHL HP HP Super or HP Ultra which are specially formulated for use in STIHL engines HP Ultra guarantees high performance and a long engine life These engine oils are not available in all markets Use only STIHL 50 1 two stroke engine oil for the fuel mix in models with a catalytic converter Mix Ratio STIHL 50 1 two stroke engine oil 50 parts gasoline to 1 part oil Examples Gasoline STIHL engine oil 50 1 Liters Liters ml 1 0 02 20 0 10 100 10 0 20 200 15 0 30 300 20 0 40 400 25 0 50 500 e Use a canister approved for storing fuel Pour oil into canister first then add gasoline and mix thoroughly Storing Fuel Store fuel only in approved safety type fuel canisters in a dry cool and safe location protected from light and the sun Fuel mix ages only mix sufficient fuel for a few weeks work Do not store fuel mix for longer than 30 days Exposure to light the sun low or high temperatures can quickly make the
23. o the low speed screw L Fine Tuning for Operation at High Altitude A slight correction of the setting may be necessary if engine does not run satisfactorily Carry out the standard setting e Warm up the engine e Turn high speed screw H slightly clockwise leaner no further than stop B norice After returning from high altitude reset the carburetor to the standard setting BG 56 BG 56 C BG 66 BG 66 C BG 86 BG 86 C SH 56 SH 56 C SH 86 SH 86 C English Checking the spark plu Installing the spark plu Spark Plug g park plug g park plug e If the engine is down on power difficult to start or runs poorly at idle speed first check the spark plug e Fit anew spark plug after about 100 operating hours or sooner if the electrodes are badly eroded Install A 2 only suppressed spark plugs of the i E type approved by STIHL see 2 Specifications e Clean dirty spark plug A e Check electrode gap A and Removing the spark plug readjust if necessary see Specifications e Rectify the problems which have caused fouling of the spark plug E Possible causes are 4 Too much oil in fuel mix Oz Dirty air filter e Screw the spark plug 3 into the 2 cylinder and fit the boot 2 press it S Unfavorable running conditions down firmly e Pull off the spark plug boot 1 e Unscrew the spark plug zZ x ito a lt ao o warnine
24. or materi als soaked in combustible fluids Switch off the engine before opening the intake screen The intake JW screen must always be closed and secured when the suction tube is not mounted to reduce the risk of injury from contact with rotating components This can also result in damage to the engine English During Operation In the event of impending danger or in an emergency switch off the engine immediately by moving the setting lever switch to STOP or 0 Your power tool is designed to be operated by one person only Do not allow other persons in the work area To reduce the risk s lt 5m 16 of injury from thrown objects do not allow any other persons within a radius of 5 meters of your own position To reduce the risk of damage to property also maintain this distance from other objects vehicles windows Do not direct the air blast towards bystanders or animals since the air flow can blow small objects at great speed When blow sweeping and vacuum shredding in open ground and gardens watch out for small animals to avoid harming them Never leave a running machine unattended Take special care in slippery conditions on slopes or uneven ground Watch out for obstacles Be careful of refuse tree stumps roots and ditches which could cause you to trip or stumble Never work on a ladder or any other insecure support Be particularly alert and cautious when weari
25. rew L 1 Standard setting B Turn the low speed screw L carefully clockwise until it is against Low speed screw L 3 4 its seat then turn it back 1 full turn High speed screw H 3 4 BG 56 BG 56 C BG 66 BG 66 C BG 86 BG 86 C SH 56 SH 56 C SH 86 SH 86 C 17 English Standard setting B 296BA010 KN e Turn high speed screw H counterclockwise as far as stop no more than 3 4 turn e Turn the low speed screw L carefully clockwise as far as stop then turn it back 3 4 turn Adjusting Idle Speed e Carry out the standard setting Start and warm up the engine 2 x 2 lt ra D N Engine stops while idling e Turn the idle speed screw LA clockwise until the engine runs smoothly 18 If the setting is too lean there is a risk of engine damage due to insufficient lubrication and overheating Erratic idling behavior poor acceleration even though standard setting of low speed screw is correct Idle setting is too lean e Turn the low speed screw L counterclockwise no further than stop until the engine runs and accelerates smoothly Erratic idling behavior engine speed drops when swinging the machine Idle setting is too rich e Turn the low speed screw L clockwise 1 8 of a turn or 45 ata time until the engine runs smoothly and accelerates well It is usually necessary to change the setting of the idle speed screw LA after every correction t
26. rews and nuts not adjust i Retighten x ing screws Check x x x Antivibration elements Have replaced by servicing dealer x Safety labels Replace x 1 STIHL recommends that this work be done by a STIHL servicing dealer 2 Notinall versions country specific BG 56 BG 56 C BG 66 BG 66 C BG 86 BG 86 C SH 56 SH 56 C SH 86 SH 86 C 21 English Minimize Wear and Avoid Damage Observing the instructions in this manual helps reduce the risk of unnecessary wear and damage to the power tool The power tool must be operated maintained and stored with the due care and attention described in this owner s manual The user is responsible for all damage caused by non observance of the safety precautions operating and maintenance instructions in this manual This includes in particular Alterations or modifications to the product not approved by STIHL Using tools or accessories which are neither approved or suitable for the product or are of a poor quality Using the product for purposes for which it was not designed Using the product for sports or competitive events Consequential damage caused by continuing to use the product with defective components Maintenance Work All the operations described in the Maintenance Chart must be performed on a regular basis If these maintenance operations cannot be performed by the owner they should be performed b
27. rolled very accurately This nozzle is highly effective for blow sweeping sawdust leaves grass cuttings etc on flat surfaces Using the Vacuum Attachment For specific assembling instructions see appropriate chapter in this manual BG 56 BG 56 C BG 66 BG 66 C BG 86 BG 86 C SH 56 SH 56 C SH 86 SH 86 C Your vacuum shredder is designed for two handed operation Hold and operate the unit with your right hand on the control handle and your left hand on the assist handle Wear the catcher bag shoulder strap over your left shoulder not across your chest This enables you to quickly remove the power tool and catcher bag in an emergency To reduce the risk of injury operate your power tool only with a properly mounted suction tube and closed catcher bag English once Vacuuming abrasive material such as grit stone chips etc causes the blower wheel and blower housing to wear at a rapid rate This results in a considerable loss of suction power In such a case you should contact your dealer STIHL recommends a STIHL servicing dealer Take particular care when vacuuming wet leaves since they may block the blower wheel and elbow To reduce the risk of per sonal injury from fire never attempt to pick up hot or burning sub stances e g smoldering ashes glowing cigarettes To reduce the risk of fatal injury from fire or explo sion never attempt to pick up combustible fluids e g gasoline
28. rsion with Flat Filter Material zZ x N S lt a ite D N e Turn the filter cover lock 1 counterclockwise to the vertical position e Remove the filter cover 2 Clean away loose dirt from around the filter 16 zZ x w N S lt ra w o N e Pull off the retainer 3 and take the air filter element 4 out of the filter housing 5 e Replace the filter element As a temporary measure you can knock it out on the palm of your hand or blow it out with compressed air do not wash Replace any damaged parts Installing the filter element e Fit the filter 4 in the filter housing 5 and push the retainer 3 into position e Refit the filter cover 2 and turn the filter cover lock clockwise to the horizontal position Version with Pleated Filter Material e Unscrew the filter cover lock 1 counterclockwise e Remove the filter cover 2 e Clean away loose dirt from around the filter z x n SI gt lt ra O N e Take the air filter 3 out of the filter housing 4 Cleaning the air filter e Carefully knock the filter out on the palm of your hand or blow it clear with compressed air from the inside outwards In case of stubborn dirt or sticky filter fabric e Wash the air filter in STIHL special cleaner special accessory or a clean non flammable solution e g warm soapy water Rinse the filter BG 56 BG 56 C BG 66 BG 66 C B
29. s etc causes the blower wheel and blower housing to wear at a rapid rate This results in a considerable loss of suction power In such a case you should contact your dealer STIHL recommends a STIHL servicing dealer Take particular care when vacuuming wet leaves since they may block the blower wheel and elbow Watch out for small animals when using the vacuum on open ground in yards and gardens Using the Blower Your blower is designed for one handed operation It must be carried by the control handle in the right hand Awarnine Operate the unit only with a properly mounted blower tube The round nozzle is particularly suitable for use on uneven surfaces e g fields and lawns The fan nozzle either included with unit or available as special accessory produces a broad and powerful airstream at ground level It can be aimed and controlled very accurately This nozzle is highly effective for blow sweeping sawdust leaves grass cuttings etc on paved surfaces Watch out for small animals when using the blower on open ground in yards and gardens To minimize blowing time use a rake and broom to loosen dirt particles before you start blowing Recommended working technique to minimize air pollution Ifnecessary dampen the surface to be cleaned in order to avoid creating too much dust Donotblow particles in the direction of bystanders in particular in the direction of childr
30. s Elsner Director Group Product Management CE BG 56 BG 56 C BG 66 BG 66 C BG 86 BG 86 C SH 56 SH 56 C SH 86 SH 86 C English BG 56 BG 56 C BG 66 BG 66 C BG 86 BG 86 C SH 56 SH 56 C SH 86 SH 86 C 27 English 28 BG 56 BG 56 C BG 66 BG 66 C BG 86 BG 86 C SH 56 SH 56 C SH 86 SH 86 C 0458 296 0121 D englisch 0458 296 0121 D
31. s an EC regulation and stands for the Registration Evaluation Authorisation and Restriction of Chemical substances For information on compliance with the REACH regulation EC No 1907 2006 see www stihl com reach BG 56 BG 56 C BG 66 BG 66 C BG 86 BG 86 C SH 56 SH 56 C SH 86 SH 86 C Maintenance and Repairs Users of this machine may only carry out the maintenance and service work described in this user manual All other repairs must be carried out 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 regularly given the opportunity to attend training courses and are supplied with the necessary technical information When repairing the machine only use replacement parts which have been approved by STIHL for this power tool or are technically identical Only use high quality replacement parts in order to avoid the risk of accidents and damage to the machine STIHL recommends the use of original STIHL replacement parts Original STIHL parts can be identified by the STIHL part number the STIHL logo and the STIHL parts symbol 87 the symbol may appear alone on small parts English Disposal Observe all country specific waste disposal rules and regulations x o n S lt a o STIHL products must not be thrown in the garbage can Take the product accessories and packaging to
32. the tab Rotate the union nut in the direction of the arrow as far as the stop Remove the elbow Removing the Suction Tube Shut down the engine English 296BA025 KN Rotate the union nut in the direction of the arrow as far as the stop Insert a suitable tool through the opening in the union nut to press down the tab Continue turning the union nut in the direction of the arrow as far as the next stop Remove the suction tube Close the intake screen and lock it in position 11 English Fuel Your engine requires a mixture of gasoline and engine oil warnine For health reasons avoid direct skin contact with gasoline and avoid inhaling gasoline vapor STIHL MotoMix STIHL recommends the use of STIHL MotoMix This ready to use fuel mix contains no benzol or lead has a high octane rating and ensures that you always use the right mix ratio STIHL MotoMix uses STIHL HP Ultra two stroke engine oil for an extra long engine life MotoMix is not available in all markets Mixing Fuel Eene Unsuitable fuels or lubricants or mix ratios other than those specified may result in serious damage to the engine Poor quality gasoline or engine oil may damage the engine sealing rings hoses and the fuel tank Gasoline Use only high quality brand name gasoline with a minimum octane rating of 90 leaded or unleaded 12 If your machine is equipped with a catalytic converter you must use u
33. tor and idle speed adjustments Do not turn the engine over on the starter with the spark plug boot or spark plug removed since there is otherwise a risk of fire from uncontained sparking Do not service or store your machine near open flames 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 good condition secure connection Check the condition of the muffler To reduce the risk of fire and damage to hearing do not operate your machine if the muffler is damaged or missing Do not touch a hot muffler since burn injury will result English Vibration behavior is influenced by the condition of the AV elements check the AV elements at regular intervals Shut off the engine before rectifying problems English Working Techniques Using the Vacuum Shredder Your vacuum shredder is designed for two handed operation Hold and operate the unit with your right hand on the control handle and your left hand on the assist handle Wear the catcher bag shoulder strap over your left shoulder not across your chest This enables you to quickly remove the power tool and catcher bag in an emergency A warnine Operate the unit only with a properly mounted suction tube and catcher bag Elere Vacuuming abrasive material such as grit stone chip
34. y a servicing dealer STIHL recommends that you have servicing and repair work carried out exclusively by an authorized STIHL 22 servicing dealer STIHL dealers are regularly given the opportunity to attend training courses and are supplied with the necessary technical information If these maintenance operations are not carried out as specified the user assumes responsibility for any damage that may occur Among other parts this includes Damage to the engine due to neglect or deficient maintenance e g air and fuel filters incorrect carburetor adjustment or inadequate cleaning of cooling air inlets intake ports cylinder fins Corrosion and other consequential damage resulting from improper storage Damage to the machine resulting from the use of poor quality replacement parts Parts Subject to Wear and Tear Some parts of the power tool are subject to normal wear and tear even during regular operation in accordance with instructions and depending on the type and duration of use have to be replaced in good time Among other parts this includes Filters air fuel Blower wheel shredder wheel Catcher bag Rewind starter Spark plug BG 56 BG 56 C BG 66 BG 66 C BG 86 BG 86 C SH 56 SH 56 C SH 86 SH 86 C English Main Parts 1 Setting lever BG 66 C BG 86 SH 86 2 Spark plug boot 3 Muffler 4 Starter grip 5 Carburetor adjusting screws 6 Manual fuel
35. zle in direction of arrow to lock in position BG 66 T A An bl a gt M 1 i e Line up the arrows 1 e Position the union nut so that the symbol U is in line with the arrows e Push the blower tube 2 into the fan housing stub 3 as far as stop English 296BA019 KN Push the union nut 4 over the fan housing stub as far as stop e Rotate the union nut 4 in direction of arrow until symbol G is in line with the arrows union nut snaps audibly into position 296BA032 KN Push nozzle 5 in position a onto the blower tube 2 as far as lug 6 and rotate in direction of arrow to lock in position Removing the Blower Tube Ni zZ x o A 2 ca D N e Shut down the engine English e Inserta suitable tool through the a opening in the union nut to press Assembling the Vacuum down the tab Shredder e Rotate the union nut in the direction of the arrow as far as the stop Mounting th Elbow e Remove the blower tube 296BA022 KN e Push the union nut 7 over the fan housing stub as far as stop e Rotate the union nut 7 in direction of arrow until symbol G is in line with the arrows union nut snaps audibly into position Zz x ive 2 0 o o N e Push the elbow 1 into the catcher bag 2 as far as the mark smaller Assembling the Suction Tube arrow e Tighten strap 3 on catcher bag and press down the tab
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