Product Instruction Manual
Page 3
... / Stopping the Engine 15 Cleaning the Air Filter 17 Engine Management 18 Adjusting the Carburetor 18 Checking the Spark Plug 19 Engine Running Behavior 20 Rewind Starter 20 Storing the Machine 21 Inspections and Maintenance by Dealer 21 Maintenance ... 26 Maintenance and Repairs 26 STIHL Incorporated Federal Emission Control Warranty Statement 26 STIHL Incorporated California Exhaust and Evaporative Emissions Control Warranty Statement 28 Trademarks 30 { BG 56, BG 56 C, BG 66, BG 86, BG 86 C, SH 56, SH 56 C, SH 86, SH 86 C English Allow only persons who...
... / Stopping the Engine 15 Cleaning the Air Filter 17 Engine Management 18 Adjusting the Carburetor 18 Checking the Spark Plug 19 Engine Running Behavior 20 Rewind Starter 20 Storing the Machine 21 Inspections and Maintenance by Dealer 21 Maintenance ... 26 Maintenance and Repairs 26 STIHL Incorporated Federal Emission Control Warranty Statement 26 STIHL Incorporated California Exhaust and Evaporative Emissions Control Warranty Statement 28 Trademarks 30 { BG 56, BG 56 C, BG 66, BG 86, BG 86 C, SH 56, SH 56 C, SH 86, SH 86 C English Allow only persons who...
Product Instruction Manual
Page 7
...starting the engine. THE USE OF THE POWER TOOL Fueling Instructions Before Starting English Transporting the Power Tool Warning! Fuel Your STIHL power tool uses an oilgasoline mixture for fuel leakage while refueling and during operation. Use extreme caution when handling gasoline or ...maintained. Check for fuel (see the chapter on the spark plug - Warning! Warning! When transporting your power tool for fueling and move freely. Fuel your clothing immediately. BG 56, BG 56 C, BG 66, BG 86, BG 86 C, SH 56, SH 56 C, SH 86, SH 86 C 5 Never remove the fuel filler cap while the...
...starting the engine. THE USE OF THE POWER TOOL Fueling Instructions Before Starting English Transporting the Power Tool Warning! Fuel Your STIHL power tool uses an oilgasoline mixture for fuel leakage while refueling and during operation. Use extreme caution when handling gasoline or ...maintained. Check for fuel (see the chapter on the spark plug - Warning! Warning! When transporting your power tool for fueling and move freely. Fuel your clothing immediately. BG 56, BG 56 C, BG 66, BG 86, BG 86 C, SH 56, SH 56 C, SH 86, SH 86 C 5 Never remove the fuel filler cap while the...
Product Instruction Manual
Page 10
... tube and catcher bag. Wear the catcher bag shoulder strap over your instruction manual. not across your STIHL servicing dealer only. 8 BG 56, BG 56 C, BG 66, BG 86, BG 86 C, SH 56, SH 56 C, SH 86, SH 86 C smoldering ashes, glowing cigarettes) or combustible fluids (e.g. Stop engine and wait until the fan is ...and your muffler. so that you can quickly throw off the unit and catcher bag in heat radiation or sparks, thereby increasing the risk of the cylinder, spark plug) become hot during operation and remain hot for two-handed operation. Let the engine cool down sitting on ...
... tube and catcher bag. Wear the catcher bag shoulder strap over your instruction manual. not across your STIHL servicing dealer only. 8 BG 56, BG 56 C, BG 66, BG 86, BG 86 C, SH 56, SH 56 C, SH 86, SH 86 C smoldering ashes, glowing cigarettes) or combustible fluids (e.g. Stop engine and wait until the fan is ...and your muffler. so that you can quickly throw off the unit and catcher bag in heat radiation or sparks, thereby increasing the risk of the cylinder, spark plug) become hot during operation and remain hot for two-handed operation. Let the engine cool down sitting on ...
Product Instruction Manual
Page 11
... cools down less rapidly than conventional mufflers, always set your instruction manual. Use the specified spark plug and make sure that the risk of fire and hearing loss. Some STIHL power tools are always clean and in the boot may interfere with screens designed to reduce ...or maintenance. BG 56, BG 56 C, BG 66, BG 86, BG 86 C, SH 56, SH 56 C, SH 86, SH 86 C 9 Due to this process, the muffler does not cool down in hot or dry weather. English Warning! Never test the ignition system with the boot removed from the spark plug or with a spark-arresting screen ...
... cools down less rapidly than conventional mufflers, always set your instruction manual. Use the specified spark plug and make sure that the risk of fire and hearing loss. Some STIHL power tools are always clean and in the boot may interfere with screens designed to reduce ...or maintenance. BG 56, BG 56 C, BG 66, BG 86, BG 86 C, SH 56, SH 56 C, SH 86, SH 86 C 9 Due to this process, the muffler does not cool down in hot or dry weather. English Warning! Never test the ignition system with the boot removed from the spark plug or with a spark-arresting screen ...
Product Instruction Manual
Page 21
...engine. N Turn the idle speed screw (LA) clockwise until the engine runs and accelerates smoothly. N Use only resistor type spark plugs of the spark plug. Adjusting Idle Speed N Turn the low speed screw (L) slowly clockwise until the engine runs smoothly. Engine stops while idling N...- These factors cause deposits to form on power, difficult to the low speed screw (L). N Clean dirty spark plug. BG 56, BG 56 C, BG 66, BG 86, BG 86 C, SH 56, SH 56 C, SH 86, SH 86 C 19 At sea level N Turn high speed screw (H) slightly counterclockwise (richer) - see "Specifications". If...
...engine. N Turn the idle speed screw (LA) clockwise until the engine runs and accelerates smoothly. N Use only resistor type spark plugs of the spark plug. Adjusting Idle Speed N Turn the low speed screw (L) slowly clockwise until the engine runs smoothly. Engine stops while idling N...- These factors cause deposits to form on power, difficult to the low speed screw (L). N Clean dirty spark plug. BG 56, BG 56 C, BG 66, BG 86, BG 86 C, SH 56, SH 56 C, SH 86, SH 86 C 19 At sea level N Turn high speed screw (H) slightly counterclockwise (richer) - see "Specifications". If...
Product Instruction Manual
Page 22
... out exclusively by an authorized STIHL servicing dealer. 002BA071 KN To reduce the risk of spark plug: - STIHL recommends that could ignite combustible fumes and cause a fire. 20 BG 56, BG 56 C, BG 66, BG 86, BG 86 C, SH 56, SH 56 C, SH 86, SH 86 C Always press spark plug boot (2) snugly onto terminal ...adjusted, the cause may create arcing that you have servicing and repair work carried out exclusively by an authorized STIHL servicing dealer. Fit a new spark plug after approx. 100 operating hours or earlier if the electrodes are badly eroded. 2 1 Engine Running Behavior...
... out exclusively by an authorized STIHL servicing dealer. 002BA071 KN To reduce the risk of spark plug: - STIHL recommends that could ignite combustible fumes and cause a fire. 20 BG 56, BG 56 C, BG 66, BG 86, BG 86 C, SH 56, SH 56 C, SH 86, SH 86 C Always press spark plug boot (2) snugly onto terminal ...adjusted, the cause may create arcing that you have servicing and repair work carried out exclusively by an authorized STIHL servicing dealer. Fit a new spark plug after approx. 100 operating hours or earlier if the electrodes are badly eroded. 2 1 Engine Running Behavior...
Product Instruction Manual
Page 24
... Spark plug Spark arresting screen2) in all versions, country-specific x x x x x x x x x x x x x x x x x x x x x 22 BG 56, BG 56 C, BG 66, BG 86, BG 86 C, SH 56, SH 56 C, SH 86, SH 86 C If your daily working time is longer or operating conditions are difficult (very dusty work be done by a STIHL servicing...accessible screws and nuts (not adjusting screws) Retighten Check x Antivibration elements Replace1) Safety labels Replace 1) STIHL recommends that this work area, etc.), shorten the specified intervals accordingly. English Maintenance and Care The following intervals...
... Spark plug Spark arresting screen2) in all versions, country-specific x x x x x x x x x x x x x x x x x x x x x 22 BG 56, BG 56 C, BG 66, BG 86, BG 86 C, SH 56, SH 56 C, SH 86, SH 86 C If your daily working time is longer or operating conditions are difficult (very dusty work be done by a STIHL servicing...accessible screws and nuts (not adjusting screws) Retighten Check x Antivibration elements Replace1) Safety labels Replace 1) STIHL recommends that this work area, etc.), shorten the specified intervals accordingly. English Maintenance and Care The following intervals...
Product Instruction Manual
Page 25
special accessory Definitions 1. BG 56, BG 56 C, BG 66, BG 86, BG 86 C, SH 56, SH 56 C, SH 86, SH 86 C 23 Setting Lever (BG 86, SH 86) Holds the throttle trigger in position. Main Parts 13 14 15 17 18 16 # 23 English 1 24 2 4 56 7 8 9 10 3 11 12 20 19 21 22 296BA003 KN 1 Setting Lever (BG 86, SH 86) 2 Spark Plug Boot 3 Muffler 4 Starter Grip 5 Carburetor...
special accessory Definitions 1. BG 56, BG 56 C, BG 66, BG 86, BG 86 C, SH 56, SH 56 C, SH 86, SH 86 C 23 Setting Lever (BG 86, SH 86) Holds the throttle trigger in position. Main Parts 13 14 15 17 18 16 # 23 English 1 24 2 4 56 7 8 9 10 3 11 12 20 19 21 22 296BA003 KN 1 Setting Lever (BG 86, SH 86) 2 Spark Plug Boot 3 Muffler 4 Starter Grip 5 Carburetor...
Product Instruction Manual
Page 26
Spark Plug Boot Connects the spark plug to the blower. 18. Stop Switch (BG 56, BG 66, SH 56) Switches the machine off. 15. Throttle Trigger Controls the speed of direct contact with the suction tube as a vacuum and held by ... elbow to on the CARB-Air Index Label indicates the terms: Extended = 300 hours Intermediate = 125 hours Moderate = 50 hours 24 BG 56, BG 56 C, BG 66, BG 86, BG 86 C, SH 56, SH 56 C, SH 86, SH 86 C Category A = 300 hours B = 125 hours C = 50 hours CARB The Emission Compliance Period used on the Emissions Compliance Label indicates the...
Spark Plug Boot Connects the spark plug to the blower. 18. Stop Switch (BG 56, BG 66, SH 56) Switches the machine off. 15. Throttle Trigger Controls the speed of direct contact with the suction tube as a vacuum and held by ... elbow to on the CARB-Air Index Label indicates the terms: Extended = 300 hours Intermediate = 125 hours Moderate = 50 hours 24 BG 56, BG 56 C, BG 66, BG 86, BG 86 C, SH 56, SH 56 C, SH 86, SH 86 C Category A = 300 hours B = 125 hours C = 50 hours CARB The Emission Compliance Period used on the Emissions Compliance Label indicates the...
Product Instruction Manual
Page 27
... cf/min (810 m3/h) (770 m3/h) Air velocity Dry, blower mode BG 56: BG 56 C: BG 66: BG 86: BG 86 C: 9.0 lbs (4.1 kg) 9.3 lbs (4.2 kg) 9.7 lbs (4.4 kg) 9.7 lbs (4.4 kg) 9.9 lbs (4.5 kg) Dry, vacuum mode SH 56: 11.5 lbs (5.3 kg) SH 86: 12.2 lbs (5.7 kg) Electronic magneto ignition Spark plug (suppressed): Electrode gap: NGK CMR 6 H 0.020 in (0.5 mm) Fuel System All...
... cf/min (810 m3/h) (770 m3/h) Air velocity Dry, blower mode BG 56: BG 56 C: BG 66: BG 86: BG 86 C: 9.0 lbs (4.1 kg) 9.3 lbs (4.2 kg) 9.7 lbs (4.4 kg) 9.7 lbs (4.4 kg) 9.9 lbs (4.5 kg) Dry, vacuum mode SH 56: 11.5 lbs (5.3 kg) SH 86: 12.2 lbs (5.7 kg) Electronic magneto ignition Spark plug (suppressed): Electrode gap: NGK CMR 6 H 0.020 in (0.5 mm) Fuel System All...
Product Instruction Manual
Page 30
...Fasteners Where to explain the emissions control system's warranty on your 2007 and later small off-road equipment engine. STIHL Incorporated California Exhaust and Evaporative Emissions Control Warranty Statement For California only Your Warranty Rights and Obligations The California Air Resources...Cold Start Enrichment System), Control Linkages, Intake Manifold, Magneto or Electronic Ignition System (Ignition module), Spark Plug, Catalytic Converter (if applicable), Fuel Tank, Fuel Cap, Fuel Line, Fuel Line Fittings, Clamps, Fasteners. 28 BG 56, BG 56 C, BG 66, BG 86, BG 86 C, SH 56, SH 56 C, SH...
...Fasteners Where to explain the emissions control system's warranty on your 2007 and later small off-road equipment engine. STIHL Incorporated California Exhaust and Evaporative Emissions Control Warranty Statement For California only Your Warranty Rights and Obligations The California Air Resources...Cold Start Enrichment System), Control Linkages, Intake Manifold, Magneto or Electronic Ignition System (Ignition module), Spark Plug, Catalytic Converter (if applicable), Fuel Tank, Fuel Cap, Fuel Line, Fuel Line Fittings, Clamps, Fasteners. 28 BG 56, BG 56 C, BG 66, BG 86, BG 86 C, SH 56, SH 56 C, SH...
Product Instruction Manual
Page 32
...Warranty Work STIHL Incorporated shall remedy warranty defects at a warranty station. Emission Warranty Parts List Air filter, Carburetor, Purger, Choke (Cold Start Enrichment System), Control Linkages, Intake Manifold, Magneto or Electronic Ignition System (Ignition Module), Spark Plug, Catalytic ...engines. 6. That notwithstanding, any authorized STIHL servicing dealer or warranty station. Repair or replacement of STIHL's Common Law Trademarks 30 BG 56, BG 56 C, BG 66, BG 86, BG 86 C, SH 56, SH 56 C, SH 86, SH 86 C STIHL Incorporated is defective. Any manufacturer approved or...
...Warranty Work STIHL Incorporated shall remedy warranty defects at a warranty station. Emission Warranty Parts List Air filter, Carburetor, Purger, Choke (Cold Start Enrichment System), Control Linkages, Intake Manifold, Magneto or Electronic Ignition System (Ignition Module), Spark Plug, Catalytic ...engines. 6. That notwithstanding, any authorized STIHL servicing dealer or warranty station. Repair or replacement of STIHL's Common Law Trademarks 30 BG 56, BG 56 C, BG 66, BG 86, BG 86 C, SH 56, SH 56 C, SH 86, SH 86 C STIHL Incorporated is defective. Any manufacturer approved or...