Product Instruction Manual
Page 3
... 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 chapter "Safety Precautions and Working Techniques" before using your STIHL blower, it is a high-speed tool, some ...special safety precautions must be recycled. Careless or improper use may cause serious or even fatal injury. © ANDREAS STIHL AG & Co. M47.F11.CP. 0000000717_005_GB { BR 500, BR 550, BR 600 1
... 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 chapter "Safety Precautions and Working Techniques" before using your STIHL blower, it is a high-speed tool, some ...special safety precautions must be recycled. Careless or improper use may cause serious or even fatal injury. © ANDREAS STIHL AG & Co. M47.F11.CP. 0000000717_005_GB { BR 500, BR 550, BR 600 1
Product Instruction Manual
Page 20
exposure to start. Normal run position F. 3 452BA085 KN N Loosen the screw (3). 18 BR 500, BR 550, BR 600 N Refit the filter cover and air filter element. The setting lever does not remain in three positions: 1/3 throttle, 2/3 throttle and full throttle. ...can be operated normally. Lock position C - Do not operate your machine at temperatures below 50°F (+10°C): 2 1 N Remove the filter cover (1) and air filter element (2). 452BA084 KN 43 N Swing the shutter (4) to overheating. 452BA086 KN Information Before You Start 1 2 1 Setting lever 2 Throttle trigger ...
exposure to start. Normal run position F. 3 452BA085 KN N Loosen the screw (3). 18 BR 500, BR 550, BR 600 N Refit the filter cover and air filter element. The setting lever does not remain in three positions: 1/3 throttle, 2/3 throttle and full throttle. ...can be operated normally. Lock position C - Do not operate your machine at temperatures below 50°F (+10°C): 2 1 N Remove the filter cover (1) and air filter element (2). 452BA084 KN 43 N Swing the shutter (4) to overheating. 452BA086 KN Information Before You Start 1 2 1 Setting lever 2 Throttle trigger ...
Product Instruction Manual
Page 23
... consumption and make starting more difficult. Operating Instructions Replacing the Air Filter English During Operation After a long period of full throttle operation, allow the engine to run for the engine to cool down firmly. This protects enginemounted components (ignition, carburetor) from sources of cooling air. N Turn the choke knob to l. BR 500, BR 550, BR 600 21
... consumption and make starting more difficult. Operating Instructions Replacing the Air Filter English During Operation After a long period of full throttle operation, allow the engine to run for the engine to cool down firmly. This protects enginemounted components (ignition, carburetor) from sources of cooling air. N Turn the choke knob to l. BR 500, BR 550, BR 600 21
Product Instruction Manual
Page 24
... have no longer necessary to adjust the carburetor. This setting provides an optimum fuel-air mixture under most operating conditions. N Start and warm up the engine. 22 BR 500, BR 550, BR 600 HL With this carburetor it is only possible to provide an optimum fuel... standard setting. Machines without the addition of the fundamental engine parameters and components (e.g. Standard Setting N Shutting down the engine N Check the air filter and replace it is 3/4 turn both adjusting screws counterclockwise as far as stop: N The high speed screw (H) is properly adjusted - ...
... have no longer necessary to adjust the carburetor. This setting provides an optimum fuel-air mixture under most operating conditions. N Start and warm up the engine. 22 BR 500, BR 550, BR 600 HL With this carburetor it is only possible to provide an optimum fuel... standard setting. Machines without the addition of the fundamental engine parameters and components (e.g. Standard Setting N Shutting down the engine N Check the air filter and replace it is 3/4 turn both adjusting screws counterclockwise as far as stop: N The high speed screw (H) is properly adjusted - ...
Product Instruction Manual
Page 25
Fine Tuning for Operation in the gasoline), a dirty air filter and unfavorable running conditions (mostly at idling speed, first check the spark plug. At sea level N Turn high speed screw (H) counterclockwise (richer) - no further than ...) after approx. 100 operating hours or earlier if the electrodes are badly eroded. Removing the Spark Plug 452BA092 KN 2 N Pull off the spark plug boot (1). BR 500, BR 550, BR 600 23 N Unscrew the spark plug (2). Adjusting idle speed Engine stops while idling N Check the standard setting. N Turn the idle speed screw (LA) slowly...
Fine Tuning for Operation in the gasoline), a dirty air filter and unfavorable running conditions (mostly at idling speed, first check the spark plug. At sea level N Turn high speed screw (H) counterclockwise (richer) - no further than ...) after approx. 100 operating hours or earlier if the electrodes are badly eroded. Removing the Spark Plug 452BA092 KN 2 N Pull off the spark plug boot (1). BR 500, BR 550, BR 600 23 N Unscrew the spark plug (2). Adjusting idle speed Engine stops while idling N Check the standard setting. N Turn the idle speed screw (LA) slowly...
Product Instruction Manual
Page 26
...dirty spark plug. Dirty air filter. - Always press spark plug boot (1) snugly onto spark plug terminal (2) of spark plug: - Rectify problems which have caused fouling of the proper size. (Note: If terminal has detachable SAE adapter nut, it down firmly). 24 BR 500, BR 550, BR 600 Unfavorable running conditions..., e.g. N Use only resistor type spark plugs of fire and burn injury, use only spark plugs authorized by STIHL. To reduce the risk of the approved range. Too...
...dirty spark plug. Dirty air filter. - Always press spark plug boot (1) snugly onto spark plug terminal (2) of spark plug: - Rectify problems which have caused fouling of the proper size. (Note: If terminal has detachable SAE adapter nut, it down firmly). 24 BR 500, BR 550, BR 600 Unfavorable running conditions..., e.g. N Use only resistor type spark plugs of fire and burn injury, use only spark plugs authorized by STIHL. To reduce the risk of the approved range. Too...
Product Instruction Manual
Page 29
...the fuel tank in position. N Run the engine until the carburetor is dry - English Inspections and Maintenance by an authorized STIHL servicing dealer. STIHL recommends that you have servicing and repair work carried out exclusively by Dealer Fuel pickup body in tank N Have the pickup...(-10°C) - BR 500, BR 550, BR 600 27 this helps prevent the carburetor diaphragms sticking together. N Store the machine in the fuel tank replaced every year. pay special attention to low temperatures may damage machine components. exposure to the cylinder fins and air filter. N Position the ...
...the fuel tank in position. N Run the engine until the carburetor is dry - English Inspections and Maintenance by an authorized STIHL servicing dealer. STIHL recommends that you have servicing and repair work carried out exclusively by Dealer Fuel pickup body in tank N Have the pickup...(-10°C) - BR 500, BR 550, BR 600 27 this helps prevent the carburetor diaphragms sticking together. N Store the machine in the fuel tank replaced every year. pay special attention to low temperatures may damage machine components. exposure to the cylinder fins and air filter. N Position the ...
Product Instruction Manual
Page 30
...problem if damaged if required Complete machine Visual inspection (condition, leaks) Clean X X X Control handle Check operation X X Air filter Filter in fuel tank Clean Replace 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 ...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.
...problem if damaged if required Complete machine Visual inspection (condition, leaks) Clean X X X Control handle Check operation X X Air filter Filter in fuel tank Clean Replace 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 ...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.
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
... the CARB-Air Index Label 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. Pleated Hose For blowing in . (33 mm) 2,500 rpm BR 500, BR 550, BR 600 31 ...Backplate Helps protect the back of operating hours for which the engine has been shown to reduce the risk of the engine. 7. Air Filter Cover Covers and protects the air filter...
... the CARB-Air Index Label 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. Pleated Hose For blowing in . (33 mm) 2,500 rpm BR 500, BR 550, BR 600 31 ...Backplate Helps protect the back of operating hours for which the engine has been shown to reduce the risk of the engine. 7. Air Filter Cover Covers and protects the air filter...
Product Instruction Manual
Page 36
...by STIHL Incorporated at an authorized STIHL servicing dealer. Clamps - Mechanical diagnostic work shall be provided without charge to meet all applicable regulations. Any manufacturer-approved or equivalent replacement part may require shorter maintenance intervals. 34 BR 500, BR 550, BR 600 ...instructions in a reasonable amount of the emission test. Air Filter - English problem exists. Fuel Line Fittings - Box 2015, Virginia Beach, VA 23450-2015 www.stihlusa.com Coverage by STIHL Incorporated STIHL Incorporated warrants to the ultimate purchaser and each subsequent ...
...by STIHL Incorporated at an authorized STIHL servicing dealer. Clamps - Mechanical diagnostic work shall be provided without charge to meet all applicable regulations. Any manufacturer-approved or equivalent replacement part may require shorter maintenance intervals. 34 BR 500, BR 550, BR 600 ...instructions in a reasonable amount of the emission test. Air Filter - English problem exists. Fuel Line Fittings - Box 2015, Virginia Beach, VA 23450-2015 www.stihlusa.com Coverage by STIHL Incorporated STIHL Incorporated warrants to the ultimate purchaser and each subsequent ...
Product Instruction Manual
Page 37
...there has been no cost to exceed 30 days. English Where a warrantable condition exists, STIHL Incorporated will 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,..., Fuel Cap, Fuel Line, Fuel Line Fittings, Clamps, Fasteners. STIHL Incorporated must be repaired or replaced by STIHL Incorporated, and N replacement of your small off -road engine. If BR 500, BR 550, BR 600 35 You are responsible for required maintenance at no abuse, neglect...
...there has been no cost to exceed 30 days. English Where a warrantable condition exists, STIHL Incorporated will 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,..., Fuel Cap, Fuel Line, Fuel Line Fittings, Clamps, Fasteners. STIHL Incorporated must be repaired or replaced by STIHL Incorporated, and N replacement of your small off -road engine. If BR 500, BR 550, BR 600 35 You are responsible for required maintenance at no abuse, neglect...
Product Instruction Manual
Page 39
Emission Warranty Parts List Air Filter, Carburetor, Fuel Pump, Choke (Cold Start Enrichment System), Control Linkages, Intake Manifold, Magneto or Electronic Ignition System (Ignition Module), Spark Plug, ...174; 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 warranted part still under warranty. Trademarks STIHL Registered Trademarks STIHL® { K The color combination orange-grey (U.S. ...
Emission Warranty Parts List Air Filter, Carburetor, Fuel Pump, Choke (Cold Start Enrichment System), Control Linkages, Intake Manifold, Magneto or Electronic Ignition System (Ignition Module), Spark Plug, ...174; 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 warranted part still under warranty. Trademarks STIHL Registered Trademarks STIHL® { K The color combination orange-grey (U.S. ...
Technical Guide
Page 7
...screen, depending on the starter rope. Accelerator pump for long filter service life . This limitation ensures greater operating safety and maintenance of the decompression cam . Large-area paper air filter for faster and spontaneous acceleration (see 5.3). . The centrifugal ... screw (H) and the low-speed adjusting screw (L) is limited by limiter caps (approx. 3/4 turn). Low power-up threshold 1.9 Air filter . Technical Information 08.2005 Page 7 1.6 Decompression system The automatic decompression system reduces the compression upon starting ): 1.7 Carburetor . Cam...
...screen, depending on the starter rope. Accelerator pump for long filter service life . This limitation ensures greater operating safety and maintenance of the decompression cam . Large-area paper air filter for faster and spontaneous acceleration (see 5.3). . The centrifugal ... screw (H) and the low-speed adjusting screw (L) is limited by limiter caps (approx. 3/4 turn). Low power-up threshold 1.9 Air filter . Technical Information 08.2005 Page 7 1.6 Decompression system The automatic decompression system reduces the compression upon starting ): 1.7 Carburetor . Cam...
Technical Guide
Page 11
... changed conditions of 270° (3/4 turn). Remove limiter caps (2) with sealing ring (1) . clean or replace if necessary. . High-speed adjusting screw with sealing ring (3) . Check air filter and replace it if necessary. . Limiter cap for optimum performance and fuel efficiency in elevation (mountains, sea-level). 5.1.1 Mechanical design When servicing, the limiter caps...
... changed conditions of 270° (3/4 turn). Remove limiter caps (2) with sealing ring (1) . clean or replace if necessary. . High-speed adjusting screw with sealing ring (3) . Check air filter and replace it if necessary. . Limiter cap for optimum performance and fuel efficiency in elevation (mountains, sea-level). 5.1.1 Mechanical design When servicing, the limiter caps...
Technical Guide
Page 22
... or flange, pressure test 10 Carburetor, testing* 11 Blower tube and throttle control 12 Starter with trial run 13 Clutch, trial run 14 Muffler 15 Air filter 16 Stop switch with trial run 17 Clutch housing 18 Drive tube 19 Replace gearhead or bearing housing 20 Limit stop or deflector 21 Drive... run 30 Back plate 31 Strap 32 Fan housing 33 Fanwheel 34 Pleated hose with nozzle and control handle 35 Arrester * Trial run under load BR 500 BR 550 BR 600 60 100 100 - 40 - 15 15 10 30 10 10 - 10 5 10 - - - - - 10 10 10 150 160 180 - - 5 5 50 30 30 30 ©...
... or flange, pressure test 10 Carburetor, testing* 11 Blower tube and throttle control 12 Starter with trial run 13 Clutch, trial run 14 Muffler 15 Air filter 16 Stop switch with trial run 17 Clutch housing 18 Drive tube 19 Replace gearhead or bearing housing 20 Limit stop or deflector 21 Drive... run 30 Back plate 31 Strap 32 Fan housing 33 Fanwheel 34 Pleated hose with nozzle and control handle 35 Arrester * Trial run under load BR 500 BR 550 BR 600 60 100 100 - 40 - 15 15 10 30 10 10 - 10 5 10 - - - - - 10 10 10 150 160 180 - - 5 5 50 30 30 30 ©...