Product Instruction Manual
Page 3
...Start 18 Starting / Stopping the Engine 19 Operating Instructions 21 Replacing the Air Filter 21 Engine Management 22 Adjusting the Carburetor 22 Spark Plug 23 Spark Arresting Screen in Muffler 25 Replacing the Starter Rope and Rewind Spring 25 Storing the Machine...the instructions in chapter "Safety Precautions and Working Techniques" before using your STIHL blower, it is a high-speed tool, some special safety precautions must be recycled. M47.F11.CP. 0000000717_005_GB { BR 500, BR 550, BR 600 1 To receive maximum performance and 35 satisfaction from your blower....
...Start 18 Starting / Stopping the Engine 19 Operating Instructions 21 Replacing the Air Filter 21 Engine Management 22 Adjusting the Carburetor 22 Spark Plug 23 Spark Arresting Screen in Muffler 25 Replacing the Starter Rope and Rewind Spring 25 Storing the Machine...the instructions in chapter "Safety Precautions and Working Techniques" before using your STIHL blower, it is a high-speed tool, some special safety precautions must be recycled. M47.F11.CP. 0000000717_005_GB { BR 500, BR 550, BR 600 1 To receive maximum performance and 35 satisfaction from your blower....
Product Instruction Manual
Page 12
...plug boot snugly onto spark plug terminal of fire and hearing loss. Do not operate your STIHL servicing dealer only. Forest Service, may deny coverage. Store fuel in good condition. Warning!... removed from the spark plug or with the skin and avoid inhaling fuel vapor! 10 BR 500, BR 550, BR 600 An improperly maintained muffler will increase the risk of the proper size. (Note: ... ignite combustible fumes and cause a fire. 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...
...plug boot snugly onto spark plug terminal of fire and hearing loss. Do not operate your STIHL servicing dealer only. Forest Service, may deny coverage. Store fuel in good condition. Warning!... removed from the spark plug or with the skin and avoid inhaling fuel vapor! 10 BR 500, BR 550, BR 600 An improperly maintained muffler will increase the risk of the proper size. (Note: ... ignite combustible fumes and cause a fire. 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...
Product Instruction Manual
Page 17
... that you use your unit with various ethanol contents. When filling at authorized disposal locations. BR 500, BR 550, BR 600 15 Fuel with the skin and avoid inhaling fuel vapor. For this reason STIHL recommends that state they are sitting in both water cooled and air cooled engines (e.g., outboard motors... not move. When mixing, pour oil into the mixture. Avoid direct contact with a lower octane rating may be necessary to readjust the carburetor if you switch from loss of control and / or contact with the running problems and major damage in turn, increases the risk of ...
... that you use your unit with various ethanol contents. When filling at authorized disposal locations. BR 500, BR 550, BR 600 15 Fuel with the skin and avoid inhaling fuel vapor. For this reason STIHL recommends that state they are sitting in both water cooled and air cooled engines (e.g., outboard motors... not move. When mixing, pour oil into the mixture. Avoid direct contact with a lower octane rating may be necessary to readjust the carburetor if you switch from loss of control and / or contact with the running problems and major damage in turn, increases the risk of ...
Product Instruction Manual
Page 23
... Dirty air filters reduce engine power, increase fuel consumption and make starting more difficult. For longer out-ofservice periods - This protects enginemounted components (ignition, carburetor) from sources of ignition, until you need it again. N Turn the choke knob to cool down firmly. Operating Instructions Replacing the Air Filter English ... by the flow of cooling air. N Remove the filter cover (2). N Remove the filter element (3). N Insert the screws and tighten them down . N Loosen the screws (1). BR 500, BR 550, BR 600 21 N Replace dirty or damaged filters.
... Dirty air filters reduce engine power, increase fuel consumption and make starting more difficult. For longer out-ofservice periods - This protects enginemounted components (ignition, carburetor) from sources of ignition, until you need it again. N Turn the choke knob to cool down firmly. Operating Instructions Replacing the Air Filter English ... by the flow of cooling air. N Remove the filter cover (2). N Remove the filter element (3). N Insert the screws and tighten them down . N Loosen the screws (1). BR 500, BR 550, BR 600 21 N Replace dirty or damaged filters.
Product Instruction Manual
Page 24
...screw (H) is 3/4 turn open . N Start and warm up the engine. 22 BR 500, BR 550, BR 600 English Engine Management Adjusting the Carburetor Exhaust emissions are controlled by the design of any major hardware. HL With this carburetor it is 3/4 turn open . N The low speed screw (H) is only possible...-air mixture in the muffler and clean or replace if necessary. 452BA105 KN These machines have no longer necessary to adjust the carburetor. N Check the spark arresting screen (country-specific) in all locations and operating conditions. Adjusting idle speed Engine stops while idling...
...screw (H) is 3/4 turn open . N Start and warm up the engine. 22 BR 500, BR 550, BR 600 English Engine Management Adjusting the Carburetor Exhaust emissions are controlled by the design of any major hardware. HL With this carburetor it is 3/4 turn open . N The low speed screw (H) is only possible...-air mixture in the muffler and clean or replace if necessary. 452BA105 KN These machines have no longer necessary to adjust the carburetor. N Check the spark arresting screen (country-specific) in all locations and operating conditions. Adjusting idle speed Engine stops while idling...
Product Instruction Manual
Page 29
...STIHL servicing dealer. N Run the engine until the carburetor is dry - out of the reach of 3 months or longer N Drain and clean the fuel tank in accordance with spring housing in position. Storing the Machine For periods of children and other unauthorized persons. BR 500, BR 550, BR... 600 27 N Position the replacement spring with local environmental requirements. this helps prevent the carburetor diaphragms sticking together. N Fit the rope rotor, tension the rewind spring...
...STIHL servicing dealer. N Run the engine until the carburetor is dry - out of the reach of 3 months or longer N Drain and clean the fuel tank in accordance with spring housing in position. Storing the Machine For periods of children and other unauthorized persons. BR 500, BR 550, BR... 600 27 N Position the replacement spring with local environmental requirements. this helps prevent the carburetor diaphragms sticking together. N Fit the rope rotor, tension the rewind spring...
Product Instruction Manual
Page 30
... Have checked by dealer1) Have filter replaced by dealer1) X X X X X Fuel tank Clean X Check idle adjustment X X Carburetor Readjust idle X Readjust electrode gap X Spark plug Replace after every 100 operating hours Cooling inlets Visual inspection Clean X X Valve clearance ...accessible screws and nuts (not adjusting screws) Retighten X Antivibration elements Check X Have replaced by dealer1) X X 28 BR 500, BR 550, BR 600 before starting work after finishing work area, etc.), shorten the specified intervals accordingly. English Maintenance and Care The following...
... Have checked by dealer1) Have filter replaced by dealer1) X X X X X Fuel tank Clean X Check idle adjustment X X Carburetor Readjust idle X Readjust electrode gap X Spark plug Replace after every 100 operating hours Cooling inlets Visual inspection Clean X X Valve clearance ...accessible screws and nuts (not adjusting screws) Retighten X Antivibration elements Check X Have replaced by dealer1) X X 28 BR 500, BR 550, BR 600 before starting work after finishing work area, etc.), shorten the specified intervals accordingly. English Maintenance and Care The following...
Product Instruction Manual
Page 32
English Main Parts 3 2 1 7 6 5 4 9 10 8 11 12 13 # 14 17 16 18 15 19 20 1 Straight Nozzle 2 Blower Tube (BR 550 / 600) 3 Blower Tube (BR 500) 4 Blower Tube (BR 500 / 550 / 600) 5 Control Handle 6 Throttle Trigger 7 Setting Lever 8 Pleated Hose 9 Harness 10 Backplate 11 Intake Screen 12 Air Filter Cover 13 Fuel Filler Cap 14 Spark Plug Boot 15 Muffler (with Spark Arresting Screen) 16 Carburetor Adjusting Screws 17 Choke Knob 18 Fuel Pump 19 Starter Grip 20 Fuel Tank # Serial Number 452BA099 KN 30 BR 500, BR 550, BR 600
English Main Parts 3 2 1 7 6 5 4 9 10 8 11 12 13 # 14 17 16 18 15 19 20 1 Straight Nozzle 2 Blower Tube (BR 550 / 600) 3 Blower Tube (BR 500) 4 Blower Tube (BR 500 / 550 / 600) 5 Control Handle 6 Throttle Trigger 7 Setting Lever 8 Pleated Hose 9 Harness 10 Backplate 11 Intake Screen 12 Air Filter Cover 13 Fuel Filler Cap 14 Spark Plug Boot 15 Muffler (with Spark Arresting Screen) 16 Carburetor Adjusting Screws 17 Choke Knob 18 Fuel Pump 19 Starter Grip 20 Fuel Tank # Serial Number 452BA099 KN 30 BR 500, BR 550, BR 600
Product Instruction Manual
Page 33
... indicates the terms: Extended = 300 hours Intermediate = 125 hours Moderate = 50 hours Engine STIHL 4-MIX Engine Displacement: Bore: Stroke: Idle speed: 3.95 cu. Fuel Tank For fuel and... gases away from operator. Choke Knob Eases engine starting the engine. 20. Carburetor Adjusting Screws For tuning the carburetor. 17. Specifications English EPA / CEPA The Emission Compliance Period referred to meet...fuel tank. 14. Blower Tube (BR 550 / 600) Directs the airstream. 3. Pleated Hose For blowing in . (33 mm) 2,500 rpm BR 500, BR 550, BR 600 31 Designed to reduce the ...
... indicates the terms: Extended = 300 hours Intermediate = 125 hours Moderate = 50 hours Engine STIHL 4-MIX Engine Displacement: Bore: Stroke: Idle speed: 3.95 cu. Fuel Tank For fuel and... gases away from operator. Choke Knob Eases engine starting the engine. 20. Carburetor Adjusting Screws For tuning the carburetor. 17. Specifications English EPA / CEPA The Emission Compliance Period referred to meet...fuel tank. 14. Blower Tube (BR 550 / 600) Directs the airstream. 3. Pleated Hose For blowing in . (33 mm) 2,500 rpm BR 500, BR 550, BR 600 31 Designed to reduce the ...
Product Instruction Manual
Page 34
... System dry BR 500: BR 550: BR 600: All position diaphragm carburetor with integral fuel pump Fuel tank capacity: 47.3 fl.oz (1.4 L) Blower Data Maximum air flow rate BR 500: 812 cf/min (1380 m3/h) BR 550: 877 cf/min (1490 m3/h) BR 600: 1012...BR 600: 712 cf/min (1012 m3/h) Air velocity with nozzle BR 500: BR 550: BR 600: 181 mph (81 m/s) 199 mph (89 m/s) 201 mph (90 m/s) Special Accessories 22.3 lbs (10.1 kg) 21,8 lbs (9,9 kg) 21,6 lbs (9,8 kg) Contact your STIHL dealer for information regarding special accessories that may be available for your product. 32 BR 500, BR 550, BR...
... System dry BR 500: BR 550: BR 600: All position diaphragm carburetor with integral fuel pump Fuel tank capacity: 47.3 fl.oz (1.4 L) Blower Data Maximum air flow rate BR 500: 812 cf/min (1380 m3/h) BR 550: 877 cf/min (1490 m3/h) BR 600: 1012...BR 600: 712 cf/min (1012 m3/h) Air velocity with nozzle BR 500: BR 550: BR 600: 181 mph (81 m/s) 199 mph (89 m/s) 201 mph (90 m/s) Special Accessories 22.3 lbs (10.1 kg) 21,8 lbs (9,9 kg) 21,6 lbs (9,8 kg) Contact your STIHL dealer for information regarding special accessories that may be available for your product. 32 BR 500, BR 550, BR...
Product Instruction Manual
Page 35
...emissionrelated part on your engine is defective, the part will repair your small off -road equipment engine to a STIHL service center as soon as the carburetor and the ignition system. Any replacement part or service that is performed at an authorized dealer), parts, and... repair has been performed by the STIHL parts symbol K. EPA regulations for California Your Warranty Rights and Obligations The U.S. The symbol may appear alone on your instruction manual. Your emission control system includes parts such as a BR 500, BR 550, BR 600 33 Manufacturer's Warranty Coverage In...
...emissionrelated part on your engine is defective, the part will repair your small off -road equipment engine to a STIHL service center as soon as the carburetor and the ignition system. Any replacement part or service that is performed at an authorized dealer), parts, and... repair has been performed by the STIHL parts symbol K. EPA regulations for California Your Warranty Rights and Obligations The U.S. The symbol may appear alone on your instruction manual. Your emission control system includes parts such as a BR 500, BR 550, BR 600 33 Manufacturer's Warranty Coverage In...
Product Instruction Manual
Page 36
...any independent test laboratory. Warranty Work STIHL Incorporated shall remedy warranty defects at no cost to exceed 30 days. STIHL Incorporated is tested as required maintenance will be warranted for any authorized STIHL servicing dealer and present the signed warranty card. Carburetor - Fuel Cap - Fasteners Where ...for the warranty period. Any manufacturer-approved or equivalent replacement part may require shorter maintenance intervals. 34 BR 500, BR 550, BR 600 Spark Plug - Warranty Period The warranty period will be designed, built and equipped, at an authorized...
...any independent test laboratory. Warranty Work STIHL Incorporated shall remedy warranty defects at no cost to exceed 30 days. STIHL Incorporated is tested as required maintenance will be warranted for any authorized STIHL servicing dealer and present the signed warranty card. Carburetor - Fuel Cap - Fasteners Where ...for the warranty period. Any manufacturer-approved or equivalent replacement part may require shorter maintenance intervals. 34 BR 500, BR 550, BR 600 Spark Plug - Warranty Period The warranty period will be designed, built and equipped, at an authorized...
Product Instruction Manual
Page 37
...As the small off-road equipment engine owner, you should be repaired or replaced by STIHL Incorporated, and N replacement of charge. If BR 500, BR 550, BR 600 35 STIHL Incorporated California Exhaust and Evaporative Emissions Control Warranty Statement For California only Your Warranty Rights and...you are pleased to exceed 30 days. The warranty repairs should however be designed, built, and equipped to a STIHL servicing dealer as soon as : Air Filter, Carburetor, Fuel Pump, Choke (Cold Start Enrichment System), Control Linkages, Intake Manifold, Magneto or Electronic Ignition System (...
...As the small off-road equipment engine owner, you should be repaired or replaced by STIHL Incorporated, and N replacement of charge. If BR 500, BR 550, BR 600 35 STIHL Incorporated California Exhaust and Evaporative Emissions Control Warranty Statement For California only Your Warranty Rights and...you are pleased to exceed 30 days. The warranty repairs should however be designed, built, and equipped to a STIHL servicing dealer as soon as : Air Filter, Carburetor, Fuel Pump, Choke (Cold Start Enrichment System), Control Linkages, Intake Manifold, Magneto or Electronic Ignition System (...
Product Instruction Manual
Page 39
...Carburetor, Fuel Pump, 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 Warranty Service Bring the STIHL...FARM BOSS® iCademy® OILOMATIC® STIHL Cutquik® STIHL DUROMATIC® STIHL Quickstop® STIHL ROLLOMATIC® STIHL WOOD BOSS® TIMBERSPORTS® WOOD BOSS® YARD BOSS® BR 500, BR 550, BR 600 English Some of a component that such...
...Carburetor, Fuel Pump, 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 Warranty Service Bring the STIHL...FARM BOSS® iCademy® OILOMATIC® STIHL Cutquik® STIHL DUROMATIC® STIHL Quickstop® STIHL ROLLOMATIC® STIHL WOOD BOSS® TIMBERSPORTS® WOOD BOSS® YARD BOSS® BR 500, BR 550, BR 600 English Some of a component that such...
Technical Guide
Page 7
...screen, depending on the starter rope. The centrifugal mechanism retracts the decompression cam (1) - Two-chamber muffler with integrated starting ): 1.7 Carburetor . Easily accessible 1.10 Muffler . Decompression cam (1) projects and actuates the lever (2) . This lengthens the valve opening time, ... and hence the required pull on the market concerned. 1.11 Flywheel . Weight-optimised geometry TI_08_2005_11_01_02.fm All-position diaphragm carburetor with ignition timing adjustment . The range of the high-speed adjusting screw (H) and the low-speed adjusting screw (L)...
...screen, depending on the starter rope. The centrifugal mechanism retracts the decompression cam (1) - Two-chamber muffler with integrated starting ): 1.7 Carburetor . Easily accessible 1.10 Muffler . Decompression cam (1) projects and actuates the lever (2) . This lengthens the valve opening time, ... and hence the required pull on the market concerned. 1.11 Flywheel . Weight-optimised geometry TI_08_2005_11_01_02.fm All-position diaphragm carburetor with ignition timing adjustment . The range of the high-speed adjusting screw (H) and the low-speed adjusting screw (L)...
Technical Guide
Page 8
... 2 turn open High-speed adjusting screw H: 3 1/2 turn open (max. Standard setting with adjustment of exposure 2.2 Fuel system Carburetor All-position diaphragm carburetor with nozzle Air velocity Sound pressure level Lpeq according to EN ISO 11201 1) Sound power level Lweq according to ISO 37441) Vibration... Page 8 Technical Information 08.2005 2. RPM Weight BR 500 5,500 rpm 1,380 m³/h 810 m³/h 81m/s 86 dB(A) 95 dB(A) BR 550 64.8 cm3 50 mm 33 mm 2,500 rpm 6,100 rpm 1,490 m³/h 900 m³/h 89 m/s 92 dB(A) 103 dB(A) BR 600 7,200 rpm 1,720 m³/h 1,210 m³...
... 2 turn open High-speed adjusting screw H: 3 1/2 turn open (max. Standard setting with adjustment of exposure 2.2 Fuel system Carburetor All-position diaphragm carburetor with nozzle Air velocity Sound pressure level Lpeq according to EN ISO 11201 1) Sound power level Lweq according to ISO 37441) Vibration... Page 8 Technical Information 08.2005 2. RPM Weight BR 500 5,500 rpm 1,380 m³/h 810 m³/h 81m/s 86 dB(A) 95 dB(A) BR 550 64.8 cm3 50 mm 33 mm 2,500 rpm 6,100 rpm 1,490 m³/h 900 m³/h 89 m/s 92 dB(A) 103 dB(A) BR 600 7,200 rpm 1,720 m³/h 1,210 m³...
Technical Guide
Page 11
... Adjustment after maintenance / repair . Fine adjustments are still possible to adapt to clean the carburetor. . Check the throttle cable . High-speed adjusting screw with sealing ring (1) . The stop on the carburetor housing serves as changes in all operating states. Remove limiter caps (2) with puller 5910 890... to changed conditions of work and use such as a limiter. 5.1.2 Maintenance / repair 270° 270° 249TI004 KN With this carburetor, the high-speed adjusting screw (H) and low-speed adjusting screw (L) can only be adjusted by the user within a range of the ...
... Adjustment after maintenance / repair . Fine adjustments are still possible to adapt to clean the carburetor. . Check the throttle cable . High-speed adjusting screw with sealing ring (1) . The stop on the carburetor housing serves as changes in all operating states. Remove limiter caps (2) with puller 5910 890... to changed conditions of work and use such as a limiter. 5.1.2 Maintenance / repair 270° 270° 249TI004 KN With this carburetor, the high-speed adjusting screw (H) and low-speed adjusting screw (L) can only be adjusted by the user within a range of the ...
Technical Guide
Page 12
Continue with step 1. 3. Do not press on the limiter caps until they contact the carburetor housing since they are damaged when pulled off. . Starting from the tight position of the adjusting screws: Open H = 2 turns Open L = 3 1/2 turns Set the specified speeds ... adjusting screw (L) clockwise or anticlockwise to the 2nd clearly locked position. Set the speed to 3,300 rpm with the high-speed adjusting screw (H): BR 500: 5,500 rpm BR 550: 6,100 rpm BR 600: 7,200 rpm If you make the setting too lean it will increase the risk of engine damage through lack of +/- 200 rpm...
Continue with step 1. 3. Do not press on the limiter caps until they contact the carburetor housing since they are damaged when pulled off. . Starting from the tight position of the adjusting screws: Open H = 2 turns Open L = 3 1/2 turns Set the specified speeds ... adjusting screw (L) clockwise or anticlockwise to the 2nd clearly locked position. Set the speed to 3,300 rpm with the high-speed adjusting screw (H): BR 500: 5,500 rpm BR 550: 6,100 rpm BR 600: 7,200 rpm If you make the setting too lean it will increase the risk of engine damage through lack of +/- 200 rpm...
Technical Guide
Page 13
...an accelerator pump. The kit comprises a setting gauge, O-ring and gasket. 5.4.1 Preparatory steps . Unscrew spark plug 5.3 Accelerator pump The carburetor is also sent through the main nozzle into the the air cone (Venturi valve) providing fast and spontaneous acceleration. . Clean area around ...and low-speed adjusting screw (L) anticlockwise as far as possible (max. 3/4 turn). See instructions for use, "Setting the carburetor," to set the carburetor for users. 5.4 Valve clearance The valve clearance must be used for adjusting valve clearance" must be checked once after approx...
...an accelerator pump. The kit comprises a setting gauge, O-ring and gasket. 5.4.1 Preparatory steps . Unscrew spark plug 5.3 Accelerator pump The carburetor is also sent through the main nozzle into the the air cone (Venturi valve) providing fast and spontaneous acceleration. . Clean area around ...and low-speed adjusting screw (L) anticlockwise as far as possible (max. 3/4 turn). See instructions for use, "Setting the carburetor," to set the carburetor for users. 5.4 Valve clearance The valve clearance must be used for adjusting valve clearance" must be checked once after approx...
Technical Guide
Page 14
... crankshaft. This represents the change of cycle between intake and delivery. The inlet and exhaust valves are only closed simultaneously in order to the STIHL Service Training System "Carburetor", under the heading four-stroke principle. Page 14 Technical Information 08.2005 5.4.2 Top dead centre The top dead centre (TDC) is turned back...
... crankshaft. This represents the change of cycle between intake and delivery. The inlet and exhaust valves are only closed simultaneously in order to the STIHL Service Training System "Carburetor", under the heading four-stroke principle. Page 14 Technical Information 08.2005 5.4.2 Top dead centre The top dead centre (TDC) is turned back...