Instruction Manual
Page 3
... rights to Using this Manual 2 Safety Precautions and Working Techniques 2 Assembling the Blower 10 Fuel 11 Fueling 12 Starting / Stopping the Engine 12 Cleaning the Air Filter 14 Engine Management 14 Adjusting the Carburetor 15 Spark Plug 16 Engine Running Behavior 17 Storing the Machine 17 Maintenance and Care 18 Main Parts 19 Specifications 20 Maintenance and Repairs 21 Disposal 21 STIHL Incorporated Federal Emission Control Warranty Statement 22 STIHL Incorporated California Exhaust and Evaporative Emissions Control Warranty Statement...
... rights to Using this Manual 2 Safety Precautions and Working Techniques 2 Assembling the Blower 10 Fuel 11 Fueling 12 Starting / Stopping the Engine 12 Cleaning the Air Filter 14 Engine Management 14 Adjusting the Carburetor 15 Spark Plug 16 Engine Running Behavior 17 Storing the Machine 17 Maintenance and Care 18 Main Parts 19 Specifications 20 Maintenance and Repairs 21 Disposal 21 STIHL Incorporated Federal Emission Control Warranty Statement 22 STIHL Incorporated California Exhaust and Evaporative Emissions Control Warranty Statement...
Instruction Manual
Page 5
...tissue necrosis. See the appropriate section of your instruction manual for a description of the controls and the function of the parts of control. the power tool 3. the use of the power tool THE OPERATOR Physical Condition You must be in the area...operating this machine when you have higher vibration levels. - during a work , check with an anti-vibration ("AV") system. Working with a pacemaker should not be strenuous. WARNING This STIHL blower is in use (e.g. In order to the use of whitefinger disease. All the above symptoms appear, seek medical advice immediately. BG 50...
...tissue necrosis. See the appropriate section of your instruction manual for a description of the controls and the function of the parts of control. the power tool 3. the use of the power tool THE OPERATOR Physical Condition You must be in the area...operating this machine when you have higher vibration levels. - during a work , check with an anti-vibration ("AV") system. Working with a pacemaker should not be strenuous. WARNING This STIHL blower is in use (e.g. In order to the use of whitefinger disease. All the above symptoms appear, seek medical advice immediately. BG 50...
Instruction Manual
Page 6
... Power Tool WARNING When transporting your hearing. Continual and regular users should have it to prevent turnover, fuel spillage and damage to the unit. Secure hair so it is restricted. THE POWER TOOL For illustrations and definitions of the power tool parts see the chapter on "Main Parts." Only attachments supplied by STIHL or expressly approved by your instruction manual). 4 BG 50 The control handle is above shoulder level. Power tool...
... Power Tool WARNING When transporting your hearing. Continual and regular users should have it to prevent turnover, fuel spillage and damage to the unit. Secure hair so it is restricted. THE POWER TOOL For illustrations and definitions of the power tool parts see the chapter on "Main Parts." Only attachments supplied by STIHL or expressly approved by your instruction manual). 4 BG 50 The control handle is above shoulder level. Power tool...
Instruction Manual
Page 7
... power tool for proper condition and operation before refueling. Never attempt to release slowly. WARNING Never operate your blower unless it is an extremely flammable fuel. BG 50 5 In order to reduce the risk of fuel spillage and fire, tighten the fuel filler cap by a servicing dealer before starting , particularly the throttle trigger, throttle trigger lockout and stop switch. Never remove the fuel filler cap while the engine is fixed and any pressure...
... power tool for proper condition and operation before refueling. Never attempt to release slowly. WARNING Never operate your blower unless it is an extremely flammable fuel. BG 50 5 In order to reduce the risk of fuel spillage and fire, tighten the fuel filler cap by a servicing dealer before starting , particularly the throttle trigger, throttle trigger lockout and stop switch. Never remove the fuel filler cap while the engine is fixed and any pressure...
Instruction Manual
Page 8
For specific starting instructions, see the appropriate section of control, never work on uneven surfaces (e.g. Place the power tool on the control handle. WARNING To reduce the risk of injury from loss of your power tool. Special care must be aimed and controlled very accurately. For better footing, clear away fallen 295BA052 KN branches, scrub and cuttings. Working Conditions To minimize blowing time, use on...
For specific starting instructions, see the appropriate section of control, never work on uneven surfaces (e.g. Place the power tool on the control handle. WARNING To reduce the risk of injury from loss of your power tool. Special care must be aimed and controlled very accurately. For better footing, clear away fallen 295BA052 KN branches, scrub and cuttings. Working Conditions To minimize blowing time, use on...
Instruction Manual
Page 9
... cause serious or BG 50 7 WARNING If the substance being blown is running, this product generates toxic exhaust fumes containing chemicals, such as operating the unit so that are known to dust ("particulate matter"). Operate your employer or a local OSHA representative. Check your power tool only outdoors in particular those with respect to cause respiratory problems, cancer, birth defects...
... cause serious or BG 50 7 WARNING If the substance being blown is running, this product generates toxic exhaust fumes containing chemicals, such as operating the unit so that are known to dust ("particulate matter"). Operate your employer or a local OSHA representative. Check your power tool only outdoors in particular those with respect to cause respiratory problems, cancer, birth defects...
Instruction Manual
Page 10
... may also permanently damage the engine. Stop the engine immediately if you suspect a clogged screen, have listed respirable crystalline silica as sand, grass, dust, etc. Never insert any combustible substances. It will normally stay clean as pine needles, branches or leaves. Let the engine cool down sitting on the ground. If your gas/oil mix ratio is running . WARNING To reduce the...
... may also permanently damage the engine. Stop the engine immediately if you suspect a clogged screen, have listed respirable crystalline silica as sand, grass, dust, etc. Never insert any combustible substances. It will normally stay clean as pine needles, branches or leaves. Let the engine cool down sitting on the ground. If your gas/oil mix ratio is running . WARNING To reduce the...
Instruction Manual
Page 11
... boot removed from the spark plug or with a removed spark plug, since uncontained sparking may have similar requirements. The owner/operator of fire and hearing loss. Tighten all nuts, bolts and screws except the carburetor adjustment screws after each use or operate gasoline-powered tools on forest-covered, brush-covered or grass-covered land unless the engine's exhaust system is equipped with a catalytic converter, which has not been serviced or maintained properly or if nonapproved replacement parts were used, STIHL...
... boot removed from the spark plug or with a removed spark plug, since uncontained sparking may have similar requirements. The owner/operator of fire and hearing loss. Tighten all nuts, bolts and screws except the carburetor adjustment screws after each use or operate gasoline-powered tools on forest-covered, brush-covered or grass-covered land unless the engine's exhaust system is equipped with a catalytic converter, which has not been serviced or maintained properly or if nonapproved replacement parts were used, STIHL...
Instruction Manual
Page 13
..., chain saws, mopeds, etc.). BG 50 11 Fuel This engine is specially formulated for use in STIHL engines. WARNING To reduce the risk of 50:1. This problem can cause running cutting tool, do not fill fuel containers that you use your unit with a minimum octane rating of 89 ((R+M)/2) and no more than 10% ethanol content. Fuel mix ages Only mix sufficient fuel for use only in turn, increases the risk of empty mixing-oil...
..., chain saws, mopeds, etc.). BG 50 11 Fuel This engine is specially formulated for use in STIHL engines. WARNING To reduce the risk of 50:1. This problem can cause running cutting tool, do not fill fuel containers that you use your unit with a minimum octane rating of 89 ((R+M)/2) and no more than 10% ethanol content. Fuel mix ages Only mix sufficient fuel for use only in turn, increases the risk of empty mixing-oil...
Instruction Manual
Page 17
... the engine runs and accelerates smoothly. BG 50 15 Adjusting Idle Speed N Carry out the standard setting. Erratic idling behavior, engine speed drops when swinging the machine Idle setting is too lean N Turn the low speed screw (L) carefully counterclockwise, no more than stop , then turn it off the engine. This setting provides an optimum fuel-air mixture under most operating conditions. N Check the spark arresting screen (not in all models, country-specific) in the muffler and clean or replace if necessary. N Turn high speed screw...
... the engine runs and accelerates smoothly. BG 50 15 Adjusting Idle Speed N Carry out the standard setting. Erratic idling behavior, engine speed drops when swinging the machine Idle setting is too lean N Turn the low speed screw (L) carefully counterclockwise, no more than stop , then turn it off the engine. This setting provides an optimum fuel-air mixture under most operating conditions. N Check the spark arresting screen (not in all models, country-specific) in the muffler and clean or replace if necessary. N Turn high speed screw...
Instruction Manual
Page 18
... running conditions, e.g. N Unscrew the spark plug. 16 BG 50 295BA083 KN 000BA039 KN English It is usually necessary to change the setting of the idle speed screw (LA) after approx. 100 operating hours or earlier if the electrodes are badly eroded. Spark Plug If engine is a risk of engine damage due to the standard setting. Removing the Spark Plug 1 Checking the Spark Plug A N Clean dirty spark plug. N Check electrode gap (A) and readjust if necessary - N Use only resistor type spark plugs of spark plug: - N Pull...
... running conditions, e.g. N Unscrew the spark plug. 16 BG 50 295BA083 KN 000BA039 KN English It is usually necessary to change the setting of the idle speed screw (LA) after approx. 100 operating hours or earlier if the electrodes are badly eroded. Spark Plug If engine is a risk of engine damage due to the standard setting. Removing the Spark Plug 1 Checking the Spark Plug A N Clean dirty spark plug. N Check electrode gap (A) and readjust if necessary - N Use only resistor type spark plugs of spark plug: - N Pull...
Instruction Manual
Page 19
... onto spark plug terminal (2) of the proper size. (Note: If terminal has detachable SAE adapter nut, it down firmly. For periods of fuel properly in the boot may create arcing that you have servicing and repair work carried out exclusively by your servicing dealer. N Dispose of 3 months or longer N Drain and clean the fuel tank in a dry, high or locked location, - BG 50 17 Have the muffler checked for...
... onto spark plug terminal (2) of the proper size. (Note: If terminal has detachable SAE adapter nut, it down firmly. For periods of fuel properly in the boot may create arcing that you have servicing and repair work carried out exclusively by your servicing dealer. N Dispose of 3 months or longer N Drain and clean the fuel tank in a dry, high or locked location, - BG 50 17 Have the muffler checked for...
Instruction Manual
Page 20
...) Clean x x x Control handle Check operation x x Air filter Clean Replace Manual fuel pump Check X Have repaired by servicing dealer1) Pickup body in fuel tank Check Have replaced by dealer1) Fuel tank Clean Carburetor Check idle setting Readjust idle x x Spark plug Readjust electrode gap Replace after 100 operating hours Spark arrestor in muffler Check Have replaced by dealer1) Cooling inlets Clean All accessible screws and nuts (not adjusting screws) Retighten Safety labels Replace 1) STIHL recommends an authorized STIHL servicing dealer. 18 before starting...
...) Clean x x x Control handle Check operation x x Air filter Clean Replace Manual fuel pump Check X Have repaired by servicing dealer1) Pickup body in fuel tank Check Have replaced by dealer1) Fuel tank Clean Carburetor Check idle setting Readjust idle x x Spark plug Readjust electrode gap Replace after 100 operating hours Spark arrestor in muffler Check Have replaced by dealer1) Cooling inlets Clean All accessible screws and nuts (not adjusting screws) Retighten Safety labels Replace 1) STIHL recommends an authorized STIHL servicing dealer. 18 before starting...
Instruction Manual
Page 21
Main Parts 11 12 13 14 # BG 50 English 1 Tab 2 Spark Plug Boot 3 Carburetor Adjusting Screw 4 Choke Lever 5 Starter Grip 1 34 6 Manual Fuel Pump 7 Filter Housing 2 7 8 Fuel Filler Cap 56 8 9 Fuel Tank 10 Muffler (with Spark Arresting 10 9 Screen) 11 Control Handle 12 Switch 13 Throttle Trigger 14 Intake Screen 15 Blower Tube # Serial Number 15 0075BA009 KN 19
Main Parts 11 12 13 14 # BG 50 English 1 Tab 2 Spark Plug Boot 3 Carburetor Adjusting Screw 4 Choke Lever 5 Starter Grip 1 34 6 Manual Fuel Pump 7 Filter Housing 2 7 8 Fuel Filler Cap 56 8 9 Fuel Tank 10 Muffler (with Spark Arresting 10 9 Screen) 11 Control Handle 12 Switch 13 Throttle Trigger 14 Intake Screen 15 Blower Tube # Serial Number 15 0075BA009 KN 19
Instruction Manual
Page 22
.... 2. Fuel Filler Cap For closing the fuel tank. 9. Filter Housing Covers and protects the air filter element. 8. Throttle Trigger Controls the speed of fire. 11. Blower Tube Directs the airstream. Muffler (with the fan wheel, which the engine has been shown to ISO 7293: Idle speed: 1.66 cu. Switch To switch the machine in (30 mm) 0.9 bhp (0.7 kW) 2,800 rpm 20 BG 50 Tab Designed to secure the blower tube to the ignition lead. 3. Manual Fuel Pump Provides...
.... 2. Fuel Filler Cap For closing the fuel tank. 9. Filter Housing Covers and protects the air filter element. 8. Throttle Trigger Controls the speed of fire. 11. Blower Tube Directs the airstream. Muffler (with the fan wheel, which the engine has been shown to ISO 7293: Idle speed: 1.66 cu. Switch To switch the machine in (30 mm) 0.9 bhp (0.7 kW) 2,800 rpm 20 BG 50 Tab Designed to secure the blower tube to the ignition lead. 3. Manual Fuel Pump Provides...
Instruction Manual
Page 23
... following repairs can be identified by the STIHL part number, the { logo and, in this manual. The symbol may appear alone on waste disposal. 000BA073 KN dry: 7.9 lbs (3.6 kg) BG 50 21 Genuine STIHL parts can . Contact your STIHL servicing dealer for environmentfriendly recycling. Ignition System Electronic magneto ignition Spark plug (resistor NGK BPMR 7 A, type): Bosch WSR 6 F Electrode gap: 0.02 in (0.5 mm) Fuel System All position diaphragm carburetor with integral fuel pump Fuel tank capacity...
... following repairs can be identified by the STIHL part number, the { logo and, in this manual. The symbol may appear alone on waste disposal. 000BA073 KN dry: 7.9 lbs (3.6 kg) BG 50 21 Genuine STIHL parts can . Contact your STIHL servicing dealer for environmentfriendly recycling. Ignition System Electronic magneto ignition Spark plug (resistor NGK BPMR 7 A, type): Bosch WSR 6 F Electrode gap: 0.02 in (0.5 mm) Fuel System All position diaphragm carburetor with integral fuel pump Fuel tank capacity...
Instruction Manual
Page 24
... BG 50 English STIHL Incorporated Federal Emission Control Warranty Statement Not for regular inspection to the effect of "repair or replace as the carburetor and the ignition system. Any replacement part or service that your engine is scheduled only for California Your Warranty Rights and Obligations The U.S. Any warranted part which is free from defects in your warranty rights and responsibilities, please contact a STIHL customer service representative at the time...
... BG 50 English STIHL Incorporated Federal Emission Control Warranty Statement Not for regular inspection to the effect of "repair or replace as the carburetor and the ignition system. Any replacement part or service that your engine is scheduled only for California Your Warranty Rights and Obligations The U.S. Any warranted part which is free from defects in your warranty rights and responsibilities, please contact a STIHL customer service representative at the time...
Instruction Manual
Page 25
... for Warranty Service Bring the product to any of the recommended 2-stroke fuel-oil mixture (see also instruction "Fuel"). Air Filter - Any manufacturer-approved or equivalent replacement part may require shorter maintenance intervals. Choke (Cold Start Enrichment System) (if applicable) - Magneto or Electronic Ignition System (Ignition Module or Electronic Control Unit) - Spark Plug - Injection Valve (if applicable) - Fuel Cap - Fuel Line Fittings - Maintenance Requirements The maintenance instructions in writing by STIHL Incorporated, and N replacement of parts and...
... for Warranty Service Bring the product to any of the recommended 2-stroke fuel-oil mixture (see also instruction "Fuel"). Air Filter - Any manufacturer-approved or equivalent replacement part may require shorter maintenance intervals. Choke (Cold Start Enrichment System) (if applicable) - Magneto or Electronic Ignition System (Ignition Module or Electronic Control Unit) - Spark Plug - Injection Valve (if applicable) - Fuel Cap - Fuel Line Fittings - Maintenance Requirements The maintenance instructions in writing by STIHL Incorporated, and N replacement of parts and...
Instruction Manual
Page 26
... years. In California, new equipment that are responsible for presenting your engine is defective, the part will be replaced by the use of all receipts covering maintenance on or modified part. 24 BG 50 Also included may include parts such as the problem exists. Where a warrantable condition exists, STIHL Incorporated will not be used. Manufacturer's Warranty Responsibilities This emissions control system is designed, built and equipped, at...
... years. In California, new equipment that are responsible for presenting your engine is defective, the part will be replaced by the use of all receipts covering maintenance on or modified part. 24 BG 50 Also included may include parts such as the problem exists. Where a warrantable condition exists, STIHL Incorporated will not be used. Manufacturer's Warranty Responsibilities This emissions control system is designed, built and equipped, at...
Instruction Manual
Page 27
...STIHL INCORPORATED, see above , warranty services or repairs will be performed at a warranty station at a warranty station. Emission Warranty Parts List Air Filter, Carburetor (if applicable), Fuel Pump, Choke (Cold Start Enrichment System) (if applicable), Control Linkages, Intake Manifold, Magneto or Electronic Ignition System (Ignition Module or Electronic Control Unit), Fly Wheel, Spark Plug, Injection Valve (if applicable), Injection Pump (if applicable), Throttle Housing (if applicable), Cylinder, Muffler, Catalytic Converter (if applicable), Fuel Tank, Fuel Cap, Fuel Line, Fuel Line...
...STIHL INCORPORATED, see above , warranty services or repairs will be performed at a warranty station at a warranty station. Emission Warranty Parts List Air Filter, Carburetor (if applicable), Fuel Pump, Choke (Cold Start Enrichment System) (if applicable), Control Linkages, Intake Manifold, Magneto or Electronic Ignition System (Ignition Module or Electronic Control Unit), Fly Wheel, Spark Plug, Injection Valve (if applicable), Injection Pump (if applicable), Throttle Housing (if applicable), Cylinder, Muffler, Catalytic Converter (if applicable), Fuel Tank, Fuel Cap, Fuel Line, Fuel Line...
