STIHL BG 56, 66, 86, SH 56, 86 2 - 21 Instruction Manual
English Dear Customer, Thank you for choosing a quality engineered STIHL product. It has been built using modern production techni‐ ques and comprehensive quality assurance. Every effort has been made to ensure your satis‐ faction and trouble-free use of the product. Please contact your dealer or our sales company if you have any queries concerning this product. Your 1.2 Symbols in text WARNING Warning where there is a risk of an accident or personal injury or serious damage to property.
2 Safety Precautions and Working Techniques English tion. The instruction manual should always be handed over with the machine. ways. It is also suitable for blow-sweeping forest paths. The use of noise emitting power tools may be restricted to certain times by national or local regulations. The vacuum shredder is designed for picking up dry leaves and other lightweight, loose and noncombustible materials. Do not operate your machine if any of its compo‐ nents are damaged.
English 2 Safety Precautions and Working Techniques Open the fuel cap carefully to allow any pressure build-up in the tank to release slowly and avoid fuel spillage. To reduce the risk of accidents and personal injury, do not operate your power tool if it is not properly assembled and in good condition. Only refuel the machine in a well ventilated place. If you spill fuel, wipe the machine immedi‐ ately – if fuel gets on your clothing, change immediately.
2 Safety Precautions and Working Techniques English Work calmly and carefully – in daylight conditions and only when visibility is good. Proceed with caution, do not put others in danger. leaks and the safety equipment is fully operative. Do not continue operating your power tool if it is damaged. In case of doubt, contact a dealer. Take breaks when you start getting tired or feel‐ ing fatigue – risk of accidents! 2.
English 2 Safety Precautions and Working Techniques WARNING To reduce the risk of injury, operate your power tool only with a properly mounted suction tube and closed catcher bag. NOTICE Vacuuming abrasive material (such as grit, stone chips, etc.) causes the impeller wheel and impel‐ ler 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 rec‐ ommends you have this work done by a STIHL servicing dealer.
3 Assembling the Blower 2.13 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 – Work breaks The period of usage is shortened by: – Any personal tendency to suffer from poor cir‐ culation (symptoms: frequently cold fingers, itching). – Low outside temperatures.
3 Assembling the Blower 296BA017 KN 296BA019 KN English ► Push the union nut (4) over the fan housing stub as far as stop. ► Rotate the union nut (4) in direction of arrow until symbol ƒ is in line with the arrows – union nut snaps audibly into position. ► Push the union nut (4) over the fan housing stub as far as stop. ► Rotate the union nut (4) in direction of arrow until symbol ƒ is in line with the arrows – union nut snaps audibly into position.
4 Assembling the Vacuum Shredder 4 English Assembling the Vacuum Shredder 4.1 ► Rotate the union nut (7) in direction of arrow until symbol ƒ is in line with the arrows – union nut snaps audibly into position. Mounting the Elbow 4.2 Assembling the Suction Tube 3 2 ► Push the elbow (1) into the catcher bag (2) as far as the mark (smaller arrow). ► Tighten strap (3) on catcher bag and press down the tab (4).
English 5 Fuel ► Close the intake screen and lock it in position. 5 Fuel 296BA033 KN Your engine requires a mixture of gasoline and engine oil. ► 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. 4.4 WARNING For health reasons, avoid direct skin contact with gasoline and avoid inhaling gasoline vapor. 5.1 STIHL MotoMix STIHL recommends the use of STIHL MotoMix.
6 Fueling 5.2.3 English Mix Ratio 6.1 Preparations STIHL 50:1 two-stroke engine oil: 50 parts gaso‐ line to 1 part oil 5.2.4 Examples Gasoline STIHL engine oil 50:1 Liters Liters (ml) 1 0.02 (20) 5 0.10 (100) 10 0.20 (200) 15 0.30 (300) 20 0.40 (400) 25 0.50 (500) ► Use a canister approved for storing fuel. Pour oil into canister first, then add gasoline and mix thoroughly. 5.3 Storing Fuel Fuel mix ages – only mix sufficient fuel for a few weeks work. Do not store fuel mix for longer than 30 days.
English 7 Starting / Stopping the Engine ► Press the manual fuel pump bulb (1) at least five times – even if the bulb is filled with fuel. WARNING 7.1.1 After fueling, tighten down the filler cap as securely as possible. Changing the fuel pickup body 295BA069 KN 6.
7 Starting / Stopping the Engine English If the engine is warm NOTICE Do not pull out the starter rope all the way – it might otherwise break. 295BA068 KN ► Do not let the starter grip snap back. Guide it slowly back into the housing so that the starter rope can rewind properly. 7.2 As Soon as Engine Runs ► Turn the choke knob to < Also use this setting if the engine has been run‐ ning but is still cold. 3 Cranking 296BA008 KN 7.1.3 ► Place the unit on the ground so that it is secure.
English 8.2 Version with Flat Filter Material ► Move the setting lever to 0 – the engine stops – the setting lever springs back to the on posi‐ tion. 7.4 Other Hints on Starting 1 2 295BA074 KN BG 66 C, BG 86, SH 86 295BA073 KN 7.3.2 8 Cleaning the Air Filter ► Turn the filter cover lock (1) counterclockwise to the vertical position. ► Remove the filter cover (2). ► Clean away loose dirt from around the filter.
9 Adjusting the Carburetor English ► Unscrew the filter cover lock (1) counterclock‐ wise. ► Remove the filter cover (2). ► Clean away loose dirt from around the filter. 3 296BA027 KN 4 9.1.1 Engine stops while idling ► Turn the idle speed screw (LA) clockwise until the engine runs smoothly. 10 Spark Plug ► If the engine is down on power, difficult to start or runs poorly at idle speed, first check the spark plug.
English 11 Engine Running Behavior ► Screw the spark plug (3) into the cylinder and fit the boot (2) (press it down firmly). 11 000BA045 KN 1 WARNING Have the muffler checked for contamination (car‐ bonization) by your servicing dealer. STIHL recommends that you have servicing and repair work carried out exclusively by an author‐ ized STIHL servicing dealer. Storing the Machine For periods of 3 months or longer ► Drain and clean the fuel tank in a well ventila‐ ted area.
14 Maintenance and Care All accessible screws and nuts (not adjusting screws) Anti-vibration elements2) Safety labels 1) 2) X X as required monthly weekly X if damaged X if problem Visual inspection (con‐ dition, wear, leaks) Clean Replace any damaged parts Control handle Check operation Air filter Visual inspection Clean Replace Manual fuel pump (if fitted) Check Have repaired by serv‐ icing dealer1) Pickup body in fuel tank Check Install new pickup body Fuel tank Clean Carburetor Check idle ad
English 15 15 Main Parts Main Parts 24 Blower Tube Silencer (BG 66) # Serial number 1 2 24 4 5 6 3 * Depending on version – special accessory 8 9 10 11 16 16.1 12 13 14 15 7 17 16 Specifications Engine Single-cylinder two-stroke engine Displacement: 27.2cm3 Cylinder bore: 34 mm Piston stroke: 30 mm Idle speed: 2500 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) 20 18 19 # 21 16.
16 Specifications English Blower mode Air throughput Round blower nozzle BG 56: BG 66: BG 86: SH 56: SH 86: 700 m3/h 630 m3/h 755 m3/h 700 m3/h 755 m3/h flat film extrusion die ----620 m3/h 560 m3/h 620 m3/h Maximum air speed (blower mode, round nozzle) BG 56: BG 66: BG 86: SH 56: SH 86: 71 m/s 62 m/s 76 m/s 71 m/s 76 m/s SH 56: SH 86: 16.6.3 104 dB(A) 104 dB(A) Vibration measurement ahv, eq to DIN EN 15503 Blower mode Handle, right 7.5 m/s2 7.8 m/s2 2.1 m/s2 2.5 m/s2 7.5 m/s2 2.
English 17 17 Maintenance and Repairs Maintenance and Repairs Germany 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. declares under our sole responsibility that Designation: STIHL recommends that you have servicing and repair work carried out exclusively by an author‐ ized STIHL servicing dealer.
19 EC Declaration of Conformity English pp Dr.
English 22 19 EC Declaration of Conformity 0458-296-8321-F
19 EC Declaration of Conformity 0458-296-8321-F English 23
0458-296-8321-F *04582968321F* www.stihl.
