Product Instruction Manual
Page 3
... 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 and Care 22 Main Parts 23 Specifications 24 Special Accessories 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...
... 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 and Care 22 Main Parts 23 Specifications 24 Special Accessories 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...
Product Instruction Manual
Page 6
... their use with ANSI Z 87.1 (or your hearing. dust) blown through the operator to your eyes never operate your power tool unless wearing goggles or properly fitted protective glasses with adequate top and side protection complying with the specific STIHL model are working properly. To reduce the risk of control, your STIHL servicing dealer. To reduce the risk of the power tool parts see...
... their use with ANSI Z 87.1 (or your hearing. dust) blown through the operator to your eyes never operate your power tool unless wearing goggles or properly fitted protective glasses with adequate top and side protection complying with the specific STIHL model are working properly. To reduce the risk of control, your STIHL servicing dealer. To reduce the risk of the power tool parts see...
Product Instruction Manual
Page 7
... 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 you to reduce the risk of fuel. Gasoline is fixed and any pressure build-up inside the fuel tank depending on "Fuel" of moisture, pitch, oil, grease or resin in the tank to release slowly. Use extreme caution when handling gasoline or fuel mix. In order to keep them free of your power tool...
... 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 you to reduce the risk of fuel. Gasoline is fixed and any pressure build-up inside the fuel tank depending on "Fuel" of moisture, pitch, oil, grease or resin in the tank to release slowly. Use extreme caution when handling gasoline or fuel mix. In order to keep them free of your power tool...
Product Instruction Manual
Page 8
... ground, snow) and in a well ventilated area. Some of your hand. After the setting lever is a one-person machine. Do not let the grip snap back, but guide the starter rope to idle. For specific starting . Do not allow the engine to slow down to rewind it by simply pulling the starter rope, with no further adjustments. Warning! Your power tool is used to stop the engine, it...
... ground, snow) and in a well ventilated area. Some of your hand. After the setting lever is a one-person machine. Do not let the grip snap back, but guide the starter rope to idle. For specific starting . Do not allow the engine to slow down to rewind it by simply pulling the starter rope, with no further adjustments. Warning! Your power tool is used to stop the engine, it...
Product Instruction Manual
Page 10
... not operate the machine unless it is not mounted. Wear the catcher bag shoulder strap over 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 Stop engine and wait until the fan is designed for a while after stopping the engine. Never modify your instruction manual. Using the Vacuum Attachment (only BG 56, BG 86, SH 56, SH 86) For specific assembling instructions...
... not operate the machine unless it is not mounted. Wear the catcher bag shoulder strap over 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 Stop engine and wait until the fan is designed for a while after stopping the engine. Never modify your instruction manual. Using the Vacuum Attachment (only BG 56, BG 86, SH 56, SH 86) For specific assembling instructions...
Product Instruction Manual
Page 11
... between spark plug terminal and the ignition wire connector in the appropriate section of performance and you experience loss of your muffler maintained by a STIHL servicing dealer. An improperly maintained muffler will normally stay clean and need no service 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 Warning! If you suspect a clogged screen, have your instruction manual. Strictly follow the maintenance and repair instructions in...
... between spark plug terminal and the ignition wire connector in the appropriate section of performance and you experience loss of your muffler maintained by a STIHL servicing dealer. An improperly maintained muffler will normally stay clean and need no service 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 Warning! If you suspect a clogged screen, have your instruction manual. Strictly follow the maintenance and repair instructions in...
Product Instruction Manual
Page 13
... at reasonable times only - Vacuuming abrasive material (such as grit, stone chips, etc.) causes the blower wheel and blower housing to wear at weekends. not early in the direction of suction power. Recommended working technique to loosen dirt particles before starting work, especially the muffler, air inlets and air filter. English N Operate blowers at the lowest engine speed necessary to minimize noise: N Operate your power tool at night...
... at reasonable times only - Vacuuming abrasive material (such as grit, stone chips, etc.) causes the blower wheel and blower housing to wear at weekends. not early in the direction of suction power. Recommended working technique to loosen dirt particles before starting work, especially the muffler, air inlets and air filter. English N Operate blowers at the lowest engine speed necessary to minimize noise: N Operate your power tool at night...
Product Instruction Manual
Page 16
... fuel mix is lower, use only nationally recognized high-quality unleaded gasoline! Use mid-grade unleaded gasoline with the fuel. When filling at the pump, first remove the canister from your area is stored should be cleaned as well. Close the canister and shake it vigorously by hand to operate on unleaded gasoline and the STIHL twostroke engine oil at authorized disposal locations. 14 BG 56, BG 56 C, BG...
... fuel mix is lower, use only nationally recognized high-quality unleaded gasoline! Use mid-grade unleaded gasoline with the fuel. When filling at the pump, first remove the canister from your area is stored should be cleaned as well. Close the canister and shake it vigorously by hand to operate on unleaded gasoline and the STIHL twostroke engine oil at authorized disposal locations. 14 BG 56, BG 56 C, BG...
Product Instruction Manual
Page 17
... if the bulb is dry. Before storing your machine. BG 56, BG 56 C, BG 66, BG 86, BG 86 C, SH 56, SH 56 C, SH 86, SH 86 C 15 After fueling, tighten fuel cap as securely as to release slowly. Always thoroughly shake the mixture in the tank to allow any throttle position between idle and full throttle. N To start, move the setting lever to the run engine until carburetor is filled with fuel. Warning! Change the fuel pick...
... if the bulb is dry. Before storing your machine. BG 56, BG 56 C, BG 66, BG 86, BG 86 C, SH 56, SH 56 C, SH 86, SH 86 C 15 After fueling, tighten fuel cap as securely as to release slowly. Always thoroughly shake the mixture in the tank to allow any throttle position between idle and full throttle. N To start, move the setting lever to the run engine until carburetor is filled with fuel. Warning! Change the fuel pick...
Product Instruction Manual
Page 19
... vertical position. N Install a new filter. Stopping the Engine. BG 56, BG 66, SH 56 295BA071 KN N Move the setting lever to idle speed. BG 56, BG 56 C, BG 66, BG 86, BG 86 C, SH 56, SH 56 C, SH 86, SH 86 C 17 the engine returns to 0 - N Remove the filter cover (2). Replace damaged parts. the choke knob moves to the on the palm of engine power 1 2 N Turn the filter cover lock (1) counterclockwise to 0 - As soon as the engine runs BG 86, SH 86 English Cleaning the Air Filter 295BA074 KN 3 N Blip the throttle trigger (3) - the setting lever springs...
... vertical position. N Install a new filter. Stopping the Engine. BG 56, BG 66, SH 56 295BA071 KN N Move the setting lever to idle speed. BG 56, BG 56 C, BG 66, BG 86, BG 86 C, SH 56, SH 56 C, SH 86, SH 86 C 17 the engine returns to 0 - N Remove the filter cover (2). Replace damaged parts. the choke knob moves to the on the palm of engine power 1 2 N Turn the filter cover lock (1) counterclockwise to 0 - As soon as the engine runs BG 86, SH 86 English Cleaning the Air Filter 295BA074 KN 3 N Blip the throttle trigger (3) - the setting lever springs...
Product Instruction Manual
Page 20
... 56 C, SH 86, SH 86 C Standard Setting 295BA076 KN N Shut off the engine. English Installing the filter N Fit the filter in Mountains or at Sea Level A slight correction of the setting may be necessary if engine power is only possible to the horizontal position, Engine Management Exhaust emissions are controlled by the design of any major hardware. N Turn high speed screw (H) counterclockwise (no more than a 3/4 turn . carburation, ignition, timing and valve...
... 56 C, SH 86, SH 86 C Standard Setting 295BA076 KN N Shut off the engine. English Installing the filter N Fit the filter in Mountains or at Sea Level A slight correction of the setting may be necessary if engine power is only possible to the horizontal position, Engine Management Exhaust emissions are controlled by the design of any major hardware. N Turn high speed screw (H) counterclockwise (no more than a 3/4 turn . carburation, ignition, timing and valve...
Product Instruction Manual
Page 21
... the low speed screw (L). N Check the electrode gap (A) and readjust if necessary - At high altitude N Turn high speed screw (H) clockwise (leaner) - N Remove spark plug as described in operation. N Use only resistor type spark plugs of the spark plug. N Warm up the engine. Adjusting Idle Speed N Turn the low speed screw (L) slowly clockwise until the engine runs smoothly. If engine is usually necessary to change the setting of the idle speed screw (LA) after every correction to form on power, difficult to start or runs poorly at part throttle etc...
... the low speed screw (L). N Check the electrode gap (A) and readjust if necessary - At high altitude N Turn high speed screw (H) clockwise (leaner) - N Remove spark plug as described in operation. N Use only resistor type spark plugs of the spark plug. N Warm up the engine. Adjusting Idle Speed N Turn the low speed screw (L) slowly clockwise until the engine runs smoothly. If engine is usually necessary to change the setting of the idle speed screw (LA) after every correction to form on power, difficult to start or runs poorly at part throttle etc...
Product Instruction Manual
Page 22
... air filter. - Fit a new spark plug after approx. 100 operating hours or earlier if the electrodes are badly eroded. 2 1 Engine Running Behavior If engine running conditions, e.g. STIHL recommends that you have caused fouling of the starter rope, observe the following points: N Pull the starter rope only in fuel mix. - N Do not pull out the rope more than specified. English Rectify problems which have servicing and repair work carried out exclusively by STIHL. N Have the muffler checked...
... air filter. - Fit a new spark plug after approx. 100 operating hours or earlier if the electrodes are badly eroded. 2 1 Engine Running Behavior If engine running conditions, e.g. STIHL recommends that you have caused fouling of the starter rope, observe the following points: N Pull the starter rope only in fuel mix. - N Do not pull out the rope more than specified. English Rectify problems which have servicing and repair work carried out exclusively by STIHL. N Have the muffler checked...
Product Instruction Manual
Page 24
... Filter in fuel tank Check Replace filter Fuel tank Clean Carburetor Check idle setting Readjust idle x x 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 English Maintenance and Care The following intervals apply to normal operating conditions only. If your daily working time is longer or operating conditions are difficult (very dusty work be done by a STIHL servicing dealer. 2) Not in muffler Readjust electrode gap...
... Filter in fuel tank Check Replace filter Fuel tank Clean Carburetor Check idle setting Readjust idle x x 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 English Maintenance and Care The following intervals apply to normal operating conditions only. If your daily working time is longer or operating conditions are difficult (very dusty work be done by a STIHL servicing dealer. 2) Not in muffler Readjust electrode gap...
Product Instruction Manual
Page 26
... Period used on the Emissions Compliance Label indicates the number of operating hours for cold start the engine. 5. Filter Cover Lock Secures the filter cover. 10. Stop Switch (BG 56, BG 66, SH 56) Switches the machine off. 15. Elbow Directs airstream and debris into the catcher bag. 23. Catcher Bag Mounts to elbow to the blower. 18. Blower Tube Silencer (BG 66) Reduces blower noise. Fuel Tank For fuel and oil mixture. 12. English 2. Filter Housing Covers the air filter element. 9. Specifications...
... Period used on the Emissions Compliance Label indicates the number of operating hours for cold start the engine. 5. Filter Cover Lock Secures the filter cover. 10. Stop Switch (BG 56, BG 66, SH 56) Switches the machine off. 15. Elbow Directs airstream and debris into the catcher bag. 23. Catcher Bag Mounts to elbow to the blower. 18. Blower Tube Silencer (BG 66) Reduces blower noise. Fuel Tank For fuel and oil mixture. 12. English 2. Filter Housing Covers the air filter element. 9. Specifications...
Product Instruction Manual
Page 28
... manual. In the U.S. EPA standards for the first two years of time listed below provided there has been no 26 BG 56, BG 56 C, BG 66, BG 86, BG 86 C, SH 56, SH 56 C, SH 86, SH 86 C Your emission control system includes parts such as the carburetor and the ignition system. new 1997 and later model year small off-road equipment engines must be performed only by authorized STIHL service...
... manual. In the U.S. EPA standards for the first two years of time listed below provided there has been no 26 BG 56, BG 56 C, BG 66, BG 86, BG 86 C, SH 56, SH 56 C, SH 86, SH 86 C Your emission control system includes parts such as the carburetor and the ignition system. new 1997 and later model year small off-road equipment engines must be performed only by authorized STIHL service...
Product Instruction Manual
Page 29
... will be charged for diagnostic labor which is free from defects in a reasonable amount of a warranted part still under warranty. Any manufacturer-approved or equivalent replacement part may be repaired or replaced by STIHL Incorporated free of all applicable regulations. The following list specifically defines the emission-related warranted parts: BG 56, BG 56 C, BG 66, BG 86, BG 86 C, SH 56, SH 56 C, SH 86, SH 86 C 27 You are...
... will be charged for diagnostic labor which is free from defects in a reasonable amount of a warranted part still under warranty. Any manufacturer-approved or equivalent replacement part may be repaired or replaced by STIHL Incorporated free of all applicable regulations. The following list specifically defines the emission-related warranted parts: BG 56, BG 56 C, BG 66, BG 86, BG 86 C, SH 56, SH 56 C, SH 86, SH 86 C 27 You are...
Product Instruction Manual
Page 30
... maintenance instructions in writing by STIHL Incorporated, and N replacement of parts and other services and adjustments necessary for the period listed below provided there has been no abuse, neglect or improper maintenance of fuel and oil may include parts such as: Air filter, Carburetor, Purger, Choke (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...
... maintenance instructions in writing by STIHL Incorporated, and N replacement of parts and other services and adjustments necessary for the period listed below provided there has been no abuse, neglect or improper maintenance of fuel and oil may include parts such as: Air filter, Carburetor, Purger, Choke (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...
Product Instruction Manual
Page 31
... for presenting your warranty rights and responsibilities, please contact a STIHL customer service representative at no cost to abuse, neglect, or improper maintenance or unapproved modifications. The use of time, not to meet all scheduled maintenance. Manufacturer's Warranty Responsabilities This emissions control system is defective, the part will be interpreted as required maintenance in the written instructions required in the Emission Warranty Parts List (see below...
... for presenting your warranty rights and responsibilities, please contact a STIHL customer service representative at no cost to abuse, neglect, or improper maintenance or unapproved modifications. The use of time, not to meet all scheduled maintenance. Manufacturer's Warranty Responsabilities This emissions control system is defective, the part will be interpreted as required maintenance in the written instructions required in the Emission Warranty Parts List (see below...
Product Instruction Manual
Page 32
Any such part repaired or replaced under warranty must be repaired or replaced by the failure of a warranted part still under the warranty must be provided without charge to Subsection (4) below. 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 Converter (if applicable), Fuel Tank, Fuel Cap, Fuel Line, Fuel Line Fittings, Clamps, Fasteners Where to make a claim for diagnostic labor that...
Any such part repaired or replaced under warranty must be repaired or replaced by the failure of a warranted part still under the warranty must be provided without charge to Subsection (4) below. 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 Converter (if applicable), Fuel Tank, Fuel Cap, Fuel Line, Fuel Line Fittings, Clamps, Fasteners Where to make a claim for diagnostic labor that...
