Instruction Manual
Page 2
... 30 Special Accessories 31 Maintenance and Repairs 31 STIHL Incorporated Federal and California Emission Control Warranty Statement 32 Trademarks 34 STIHl BR 420 English / USA Allow only persons who understand this Manual, please contact your STIHL dealer for your area if you read and ...on chlorine-free paper. To receive maximum performance and satisfaction from your STIHL dealer or the STIHL distributor for information and assistance. 1 J6. Printing inks contain vegetable oils; Contact your STIHL blower, it is important that you do not understand any other power tool ...
... 30 Special Accessories 31 Maintenance and Repairs 31 STIHL Incorporated Federal and California Emission Control Warranty Statement 32 Trademarks 34 STIHl BR 420 English / USA Allow only persons who understand this Manual, please contact your STIHL dealer for your area if you read and ...on chlorine-free paper. To receive maximum performance and satisfaction from your STIHL dealer or the STIHL distributor for information and assistance. 1 J6. Printing inks contain vegetable oils; Contact your STIHL blower, it is important that you do not understand any other power tool ...
Instruction Manual
Page 4
... the owner`s manual. Most of these safety precautions and warnings apply to have different parts and controls. Be alert - Your STIHL blower is in use of a very low intensity. The ignition system of your owner`s manual for those operators who use of the... OPERATOR Physical Condition You must be dangerous. BR 420 3 Safety Precautions English / USA Warning! Different models may interfere with any substance (drugs, alcohol, etc.) which might be allowed in this tool. the blower 3. if you have any blower may result in good physical condition and mental...
... the owner`s manual. Most of these safety precautions and warnings apply to have different parts and controls. Be alert - Your STIHL blower is in use of a very low intensity. The ignition system of your owner`s manual for those operators who use of the... OPERATOR Physical Condition You must be dangerous. BR 420 3 Safety Precautions English / USA Warning! Different models may interfere with any substance (drugs, alcohol, etc.) which might be allowed in this tool. the blower 3. if you have any blower may result in good physical condition and mental...
Instruction Manual
Page 5
...the risks associated with the particular dust, mists or fumes at issue, consult your employer or a local OSHA representative. 4 BR 420 When encountering such materials, always follow the recommendations of asbestos containing products have any bystanders should wear proper protective apparel. Avoid ...eliminated, the operator and any reason to cause cancer, reproductive toxicity, etc. To reduce the risk of injury associated with the blower is a commercial substance, review the material safety data sheet for the substance at the source where possible. If the substance ...
...the risks associated with the particular dust, mists or fumes at issue, consult your employer or a local OSHA representative. 4 BR 420 When encountering such materials, always follow the recommendations of asbestos containing products have any bystanders should wear proper protective apparel. Avoid ...eliminated, the operator and any reason to cause cancer, reproductive toxicity, etc. To reduce the risk of injury associated with the blower is a commercial substance, review the material safety data sheet for the substance at the source where possible. If the substance ...
Instruction Manual
Page 6
...way. Although certain unauthorized attachment are authorized. When transporting your STIHL dealer. Fuel This STIHL unit uses an oil-gasoline mixture for the STIHL blower, their hearing checked regulary. THE USE OF THE BLOWER Transport Always turn off the engine before starting work . ... or from the operator, ricochets and bounce backs can occur during blower operations. BR 420 5 Never modify a blower in a vehicle, properly secure it down. English / USA !Warning! Blower noise may be replaced by STIHL for use with ANSI Z 87.1 (or your hearing. Continual and...
...way. Although certain unauthorized attachment are authorized. When transporting your STIHL dealer. Fuel This STIHL unit uses an oil-gasoline mixture for the STIHL blower, their hearing checked regulary. THE USE OF THE BLOWER Transport Always turn off the engine before starting work . ... or from the operator, ricochets and bounce backs can occur during blower operations. BR 420 5 Never modify a blower in a vehicle, properly secure it down. English / USA !Warning! Blower noise may be replaced by STIHL for use with ANSI Z 87.1 (or your hearing. Continual and...
Instruction Manual
Page 7
.../ USA !Warning! Gasoline is fixed and spilled fuel has been wiped away. Relieve fuel tank pressure by hand as securely as possible. 6 BR 420 Select bare ground for fueling and move at least 10 feet (3 m) from the fueling spot before starting the engine. Fueling instructions Fuel your clothing...or other ignition source, it to reduce the risk of fuel spillage and fire from the operator. In order to get fuel on your blower and check for fuel leakage while refueling and during operation. Use extreme caution when handling gasoline or fuel mix. Take care not to reduce...
.../ USA !Warning! Gasoline is fixed and spilled fuel has been wiped away. Relieve fuel tank pressure by hand as securely as possible. 6 BR 420 Select bare ground for fueling and move at least 10 feet (3 m) from the fueling spot before starting the engine. Fueling instructions Fuel your clothing...or other ignition source, it to reduce the risk of fuel spillage and fire from the operator. In order to get fuel on your blower and check for fuel leakage while refueling and during operation. Use extreme caution when handling gasoline or fuel mix. Take care not to reduce...
Instruction Manual
Page 8
... hand or fingers and may occur and ignite fuel vapor! : Condition of eye or other solid surface in the area of your hand. BR 420 7 Never operate your fanwheel and fan housing for repair. : Throttle trigger must move freely and spring back to idle position when released. ...thrown objects, insure that bystanders are at idle speed during use. Place the machine on your STIHL dealer for damage (cracks, nicks, chipping). When you are working properly. !Warning! Your blower is found, stop using the unit and contact your back after starting. Failure to rewind properly....
... hand or fingers and may occur and ignite fuel vapor! : Condition of eye or other solid surface in the area of your hand. BR 420 7 Never operate your fanwheel and fan housing for repair. : Throttle trigger must move freely and spring back to idle position when released. ...thrown objects, insure that bystanders are at idle speed during use. Place the machine on your STIHL dealer for damage (cracks, nicks, chipping). When you are working properly. !Warning! Your blower is found, stop using the unit and contact your back after starting. Failure to rewind properly....
Instruction Manual
Page 9
...sitting on a catalytic converter will normally stay clean and need no service or maintenance. Have your muffler serviced and repaired by a STIHL servicing dealer. 8 BR 420 Due to this screen on concrete, metal, bare ground or solid wood (e.g. If you experience loss of hot particles. You ...with the cooling effect of the cylinder, spark plug) become hot during operation and remain hot for a while after use. !Warning! Some STIHL blower models are hot. !Warning! To reduce the risk of a felled tree) away from the catalytic reaction, this process, the muffler does...
...sitting on a catalytic converter will normally stay clean and need no service or maintenance. Have your muffler serviced and repaired by a STIHL servicing dealer. 8 BR 420 Due to this screen on concrete, metal, bare ground or solid wood (e.g. If you experience loss of hot particles. You ...with the cooling effect of the cylinder, spark plug) become hot during operation and remain hot for a while after use. !Warning! Some STIHL blower models are hot. !Warning! To reduce the risk of a felled tree) away from the catalytic reaction, this process, the muffler does...
Instruction Manual
Page 10
...the machine or into the air intake and damage the fan wheel. To reduce the risk of stumbling and loss of the blower. BR 420 9 Do not place the blower on your control handle (and grip for the escape of moisture, pitch, oil or grease. Do not throw off the ...harness. English / USA Working instructions Work carefully. When working in good condition and free of hot and toxic exhaust fumes. !Warning! Operate the blower under control at great speed. !Warning! Always shut off the machine while practising as the combustible engine is running . may be pulled into ...
...the machine or into the air intake and damage the fan wheel. To reduce the risk of stumbling and loss of the blower. BR 420 9 Do not place the blower on your control handle (and grip for the escape of moisture, pitch, oil or grease. Do not throw off the ...harness. English / USA Working instructions Work carefully. When working in good condition and free of hot and toxic exhaust fumes. !Warning! Operate the blower under control at great speed. !Warning! Always shut off the machine while practising as the combustible engine is running . may be pulled into ...
Instruction Manual
Page 11
...air filters. Other applications are 9:00 a.m. Do not blow debris onto neighboring properties. It is carried as cleaning patios or porches. 10 BR 420 The blower can work close to the ground. : Do not direct debris at people, children, pets, at night or during the noon-break ...when people might be aimed highly accurately and effectively. Dispose of power equipment at a time, when possible. : Operate power blowers at reasonable hours - Recommended working techniques to do the job. : Check your carport. to minimize noise: : Operate power equipment only at ...
...air filters. Other applications are 9:00 a.m. Do not blow debris onto neighboring properties. It is carried as cleaning patios or porches. 10 BR 420 The blower can work close to the ground. : Do not direct debris at people, children, pets, at night or during the noon-break ...when people might be aimed highly accurately and effectively. Dispose of power equipment at a time, when possible. : Operate power blowers at reasonable hours - Recommended working techniques to do the job. : Check your carport. to minimize noise: : Operate power equipment only at ...
Instruction Manual
Page 12
... parts for a component which has not been serviced or maintained properly or if nonapproved replacement parts were used, STIHL may be checked with the unit. BR 420 11 To reduce the risk of personal injury from fire and explosion, never attempt to pick up hot or burning substances ...few days, always empty the fuel tank. Check to the maintenance chart at your owner's manual. The blower must not be operated if the muffler is in hot weather. Store blower in your STIHL servicing dealer only. Have such work performed at the last pages of paper. !Warning! Fit a ...
... parts for a component which has not been serviced or maintained properly or if nonapproved replacement parts were used, STIHL may be checked with the unit. BR 420 11 To reduce the risk of personal injury from fire and explosion, never attempt to pick up hot or burning substances ...few days, always empty the fuel tank. Check to the maintenance chart at your owner's manual. The blower must not be operated if the muffler is in hot weather. Store blower in your STIHL servicing dealer only. Have such work performed at the last pages of paper. !Warning! Fit a ...
Instruction Manual
Page 13
... : Rotate the pleated hose (7) counterclockwise as far as it in the nut from the other side and tighten moderately - English / USA Assembling the Blower 5 4 10 2 3 1 7 11 9a 6 b 8 353BA002 KN 373BA033 KN Mounting the Elbow A combination wrench and carburetor screwdriver are stowed ... (8) onto the blower tube (6) to position 'a' (long) or 'b' (short), as far as lug (9), and rotate it will go - The throttle cable is already connected and must still turn. : Secure the throttle cable (4) to the horizontal position and tighten down the clamp screw (11). 12 BR 420
... : Rotate the pleated hose (7) counterclockwise as far as it in the nut from the other side and tighten moderately - English / USA Assembling the Blower 5 4 10 2 3 1 7 11 9a 6 b 8 353BA002 KN 373BA033 KN Mounting the Elbow A combination wrench and carburetor screwdriver are stowed ... (8) onto the blower tube (6) to position 'a' (long) or 'b' (short), as far as lug (9), and rotate it will go - The throttle cable is already connected and must still turn. : Secure the throttle cable (4) to the horizontal position and tighten down the clamp screw (11). 12 BR 420
Instruction Manual
Page 14
... this Manual" BR 420 13 English / USA 10 10 7 11 9a 6 b 373BA039 KN 373BA002 KN 12 11 13 Mounting Blower Tube with Curved Nozzle* Operate the machine only with both blower tubes properly mounted. : Push the blower tube (6) into the pleated hose (7). : Push blower tube (12) onto blower tube (6) to... as stop and leave it in that position. : Turn the control handle (10) counterclockwise to the horizontal position. : Rotate the complete blower tube assembly until the nozzle discharge opening points in the same direction as the control handle. : Tighten down the clamp screw (11). ...
... this Manual" BR 420 13 English / USA 10 10 7 11 9a 6 b 373BA039 KN 373BA002 KN 12 11 13 Mounting Blower Tube with Curved Nozzle* Operate the machine only with both blower tubes properly mounted. : Push the blower tube (6) into the pleated hose (7). : Push blower tube (12) onto blower tube (6) to... as stop and leave it in that position. : Turn the control handle (10) counterclockwise to the horizontal position. : Rotate the complete blower tube assembly until the nozzle discharge opening points in the same direction as the control handle. : Tighten down the clamp screw (11). ...
Instruction Manual
Page 28
...If your daily working time is longer than normal or operating conditions are difficult (very dusty work be done by a STIHL servicing dealer BR 420 27 Complete machine Control handle Air filter Pick up body in fuel tank Fuel tank Carburetor Spark plug Cooling air intakes ...Spark arresting screen in muffler All accessible screws and nuts (not adjusting screws) Anti-vibration elements Blower air intake screen Safety label Visual inspection (conditon,...
...If your daily working time is longer than normal or operating conditions are difficult (very dusty work be done by a STIHL servicing dealer BR 420 27 Complete machine Control handle Air filter Pick up body in fuel tank Fuel tank Carburetor Spark plug Cooling air intakes ...Spark arresting screen in muffler All accessible screws and nuts (not adjusting screws) Anti-vibration elements Blower air intake screen Safety label Visual inspection (conditon,...
Instruction Manual
Page 29
English / USA Parts and Controls 7 1 8 6 10 5 4 11 13 2 3 9 12 1 Nozzle, straight* 2 Nozzle, curved* 3 Blower tube* 4 Blower tube 5 Control handle 6 Throttle trigger 7 Setting lever 8 Stop switch 9 Pleated hose 10 Harness 11 Back plate 12 Back padding 13 Air filter 373BA040 KN 14 ... grip 19 20 20 Fuel filler cap 21 Fuel tank # Serial number 14 21 373BA041 KN 373BA042 KN * see "Guide to Using this Manual" 28 BR 420
English / USA Parts and Controls 7 1 8 6 10 5 4 11 13 2 3 9 12 1 Nozzle, straight* 2 Nozzle, curved* 3 Blower tube* 4 Blower tube 5 Control handle 6 Throttle trigger 7 Setting lever 8 Stop switch 9 Pleated hose 10 Harness 11 Back plate 12 Back padding 13 Air filter 373BA040 KN 14 ... grip 19 20 20 Fuel filler cap 21 Fuel tank # Serial number 14 21 373BA041 KN 373BA042 KN * see "Guide to Using this Manual" 28 BR 420
Instruction Manual
Page 30
.... Connects the spark plug to hold and direct the tube in the desired direction. 10. Choke Knob. The grip of fire. 17. Blower Tube. Antivibration Elements. Spark Plug Boot. BR 420 29 Pleated Hose. Harness. Elements designed to reduce the transmission of vibrations created by enriching mixture. 19. Starter Grip. Muffler (with spark...
.... Connects the spark plug to hold and direct the tube in the desired direction. 10. Choke Knob. The grip of fire. 17. Blower Tube. Antivibration Elements. Spark Plug Boot. BR 420 29 Pleated Hose. Harness. Elements designed to reduce the transmission of vibrations created by enriching mixture. 19. Starter Grip. Muffler (with spark...