Product Instruction Manual
Page 3
... who fully understand this Manual Safety Precautions and Working Techniques Assembling the Unit Adjusting the Throttle Cable 2 STIHL Incorporated California Exhaust and Evaporative 2 Emissions Control Warranty 11 Statement 13 Trademarks Fitting the Harness 14 4-MIX Engine 14 Fuel 15 Fueling 16 Winter Operation 18 Information Before You 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 chapter "Safety...
... who fully understand this Manual Safety Precautions and Working Techniques Assembling the Unit Adjusting the Throttle Cable 2 STIHL Incorporated California Exhaust and Evaporative 2 Emissions Control Warranty 11 Statement 13 Trademarks Fitting the Harness 14 4-MIX Engine 14 Fuel 15 Fueling 16 Winter Operation 18 Information Before You 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 chapter "Safety...
Product Instruction Manual
Page 6
... boots with the engine and/or operator: The control handle is restricted. Never modify this machine if it is especially true in low humidity and high dust conditions. Although certain unauthorized attachments are recommended. BR 500, BR 550, BR 600 Wear sound barriers (ear plugs or ear mufflers) to your eyes never operate your STIHL servicing dealer. Clothing must be substantially controlled use with the specific STIHL model are working...
... boots with the engine and/or operator: The control handle is restricted. Never modify this machine if it is especially true in low humidity and high dust conditions. Although certain unauthorized attachments are recommended. BR 500, BR 550, BR 600 Wear sound barriers (ear plugs or ear mufflers) to your eyes never operate your STIHL servicing dealer. Clothing must be substantially controlled use with the specific STIHL model are working...
Product Instruction Manual
Page 7
... check for fueling and move at a 90° angle. Always switch off the engine before starting the engine. Warning! Fueling Instructions Warning! Gasoline vapor pressure may escape from the fuel system. Take care not to release slowly. In order to reduce the risk of the cap and on your instruction manual). Wipe off your power tool carefully so as it to the unit. English Warning! Using...
... check for fueling and move at a 90° angle. Always switch off the engine before starting the engine. Warning! Fueling Instructions Warning! Gasoline vapor pressure may escape from the fuel system. Take care not to release slowly. In order to reduce the risk of the cap and on your instruction manual). Wipe off your power tool carefully so as it to the unit. English Warning! Using...
Product Instruction Manual
Page 8
... wheel, check the fan housing for repair. In an emergency, you to maintain a firm grip and properly control your Instruction Manual for installation, turn ) - it . Adjust carrying harness to the open space) Base of fire and burn injuries, start the engine at all times; this will go (approx. 1/4 turn the cap (with open position for additional information. Do not throw off the machine quickly. Keep the handles clean...
... wheel, check the fan housing for repair. In an emergency, you to maintain a firm grip and properly control your Instruction Manual for installation, turn ) - it . Adjust carrying harness to the open space) Base of fire and burn injuries, start the engine at all times; this will go (approx. 1/4 turn the cap (with open position for additional information. Do not throw off the machine quickly. Keep the handles clean...
Product Instruction Manual
Page 9
...! Your power tool is used to stop the engine, it automatically springs back to avoid stumbling. Warning! After the setting lever is a one shoulder. To reduce the risk of your manual. For specific starting instructions, see ...BR 500, BR 550, BR 600 7 Place the power tool on the control handle. During Operation Holding and Controlling the Power Tool The blower is normally in a well-ventilated area. Keep your power tool only outdoors in operational readiness. Be extremely cautious when working on " position. Operate it by simply pulling the starter rope, with an ignition...
...! Your power tool is used to stop the engine, it automatically springs back to avoid stumbling. Warning! After the setting lever is a one shoulder. To reduce the risk of your manual. For specific starting instructions, see ...BR 500, BR 550, BR 600 7 Place the power tool on the control handle. During Operation Holding and Controlling the Power Tool The blower is normally in a well-ventilated area. Keep your power tool only outdoors in operational readiness. Be extremely cautious when working on " position. Operate it by simply pulling the starter rope, with an ignition...
Product Instruction Manual
Page 11
... brush, grass, wood chips or other parts while they are approached. may be performed by your unit with a spark arresting screen designed to idle or is running power tool, never work with the cooling process of burns, do not continue work alone. Keep the area around the muffler clean. If your gas/oil mix ratio is furnished with a missing or damaged spark arresting screen. Have your muffler serviced and repaired...
... brush, grass, wood chips or other parts while they are approached. may be performed by your unit with a spark arresting screen designed to idle or is running power tool, never work with the cooling process of burns, do not continue work alone. Keep the area around the muffler clean. If your gas/oil mix ratio is furnished with a missing or damaged spark arresting screen. Have your muffler serviced and repaired...
Product Instruction Manual
Page 12
... the U.S. Take care when handling gasoline! Strictly follow the maintenance and repair instructions in the appropriate section in the boot may cause serious or fatal injury. 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 spark-arresting screen to the maintenance chart in an approved and...
... the U.S. Take care when handling gasoline! Strictly follow the maintenance and repair instructions in the appropriate section in the boot may cause serious or fatal injury. 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 spark-arresting screen to the maintenance chart in an approved and...
Product Instruction Manual
Page 17
... fuel for use fuels with a manually adjustable carburetor and should be used in turn, increases the risk of storage. Your engine requires a mixture of sparks from your power tool and make proper adjustments and repairs. When mixing, pour oil into the mixture. To reduce the risk of highquality gasoline and two-stroke air cooled engine oil. At correct idle speed, the cutting tool should be necessary to readjust the carburetor if you use in air cooled two-cycle engines. Use only STIHL...
... fuel for use fuels with a manually adjustable carburetor and should be used in turn, increases the risk of storage. Your engine requires a mixture of sparks from your power tool and make proper adjustments and repairs. When mixing, pour oil into the mixture. To reduce the risk of highquality gasoline and two-stroke air cooled engine oil. At correct idle speed, the cutting tool should be necessary to readjust the carburetor if you use in air cooled two-cycle engines. Use only STIHL...
Product Instruction Manual
Page 24
... air filter and replace it is 3/4 turn open . N The low speed screw (H) is only possible to adjust the carburetor. N Start and warm up the engine. 22 BR 500, BR 550, BR 600 see chapter on the shroud. English Engine Management Adjusting the Carburetor Exhaust emissions are controlled by the design of any major hardware. carburation, ignition, timing and valve or port timing) without adjustable carburetor On certain machine versions it is properly adjusted - N Check that the throttle cable...
... air filter and replace it is 3/4 turn open . N The low speed screw (H) is only possible to adjust the carburetor. N Start and warm up the engine. 22 BR 500, BR 550, BR 600 see chapter on the shroud. English Engine Management Adjusting the Carburetor Exhaust emissions are controlled by the design of any major hardware. carburation, ignition, timing and valve or port timing) without adjustable carburetor On certain machine versions it is properly adjusted - N Check that the throttle cable...
Product Instruction Manual
Page 25
... necessary to change the setting of engine damage due to the low speed screw (L). Fit a new spark plug after every correction to insufficient lubrication and overheating. N Unscrew the spark plug (2). A slight correction of the spark plug. Wrong fuel mix (too much engine oil in the gasoline), a dirty air filter and unfavorable running conditions (mostly at sea level. N Check the standard setting. Erratic idling behavior Idle setting is not satisfactory when operating at high altitude or at part throttle etc...
... necessary to change the setting of engine damage due to the low speed screw (L). Fit a new spark plug after every correction to insufficient lubrication and overheating. N Unscrew the spark plug (2). A slight correction of the spark plug. Wrong fuel mix (too much engine oil in the gasoline), a dirty air filter and unfavorable running conditions (mostly at sea level. N Check the standard setting. Erratic idling behavior Idle setting is not satisfactory when operating at high altitude or at part throttle etc...
Product Instruction Manual
Page 30
...X X Control handle Check operation X X Air filter Filter in muffler Check Clean or replace X X All 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 first 139 hours of operating, then every 150 hours X Sparl arresting screen2) 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 Readjust electrode gap X Spark plug...
...X X Control handle Check operation X X Air filter Filter in muffler Check Clean or replace X X All 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 first 139 hours of operating, then every 150 hours X Sparl arresting screen2) 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 Readjust electrode gap X Spark plug...
Product Instruction Manual
Page 31
If your daily working time is longer or operating conditions are difficult (very dusty work or daily after each refueling stop weekly monthly every 12 months if problem if damaged if required English X X X BR 500, BR 550, BR 600 29 The following intervals apply to normal operating conditions only. Blower air intake screen Check Clean Throttle cable Adjust Safety labels Replace 1) STIHL recommends a STIHL servicing dealer. 2) not in all versions, market-specific X X before starting work after finishing work area, etc.), shorten the specified intervals accordingly.
If your daily working time is longer or operating conditions are difficult (very dusty work or daily after each refueling stop weekly monthly every 12 months if problem if damaged if required English X X X BR 500, BR 550, BR 600 29 The following intervals apply to normal operating conditions only. Blower air intake screen Check Clean Throttle cable Adjust Safety labels Replace 1) STIHL recommends a STIHL servicing dealer. 2) not in all versions, market-specific X X before starting work after finishing work area, etc.), shorten the specified intervals accordingly.
Product Instruction Manual
Page 33
.... 5. Throttle Trigger Controls the speed of fire. 16. Fuel Filler Cap For closing the fuel tank. 14. Backplate Helps protect the back of the pull starter, for starting by enriching mixture. 18. Blower Tube (BR 500) Directs the airstream. 4. Harness For carrying the unit. 10. Intake Screen Helps prevent leaves entering intake. 12. Carburetor Adjusting Screws For tuning the carburetor. 17. Control Handle Handle on the flexible hose to various positions or stops the engine...
.... 5. Throttle Trigger Controls the speed of fire. 16. Fuel Filler Cap For closing the fuel tank. 14. Backplate Helps protect the back of the pull starter, for starting by enriching mixture. 18. Blower Tube (BR 500) Directs the airstream. 4. Harness For carrying the unit. 10. Intake Screen Helps prevent leaves entering intake. 12. Carburetor Adjusting Screws For tuning the carburetor. 17. Control Handle Handle on the flexible hose to various positions or stops the engine...
Product Instruction Manual
Page 35
... your instruction manual. new 1997 and later model year small off-road equipment engines must be repaired or replaced by STIHL Incorporated free of charge. Your emission control system includes parts such as a BR 500, BR 550, BR 600 33 Owner's Warranty Responsibilities As the small off-road equipment engine owner, you retain all scheduled maintenance. Original STIHL parts can be designed, built and equipped, at the time of sale, to meet the U.S. STIHL Incorporated...
... your instruction manual. new 1997 and later model year small off-road equipment engines must be repaired or replaced by STIHL Incorporated free of charge. Your emission control system includes parts such as a BR 500, BR 550, BR 600 33 Owner's Warranty Responsibilities As the small off-road equipment engine owner, you retain all scheduled maintenance. Original STIHL parts can be designed, built and equipped, at the time of sale, to meet the U.S. STIHL Incorporated...
Product Instruction Manual
Page 36
... work will be replaced by STIHL Incorporated at an authorized STIHL servicing dealer. The warranty repairs will begin on your engine is defective. Warranty Period The warranty period will be free of fuel and oil may require shorter maintenance intervals. 34 BR 500, BR 550, BR 600 Warranty Work STIHL Incorporated shall remedy warranty defects at any independent test laboratory. The following list specifically defines the emission-related warranted parts: - Air Filter - Fuel Pump - Fuel Tank - Clamps - Mechanical diagnostic...
... work will be replaced by STIHL Incorporated at an authorized STIHL servicing dealer. The warranty repairs will begin on your engine is defective. Warranty Period The warranty period will be free of fuel and oil may require shorter maintenance intervals. 34 BR 500, BR 550, BR 600 Warranty Work STIHL Incorporated shall remedy warranty defects at any independent test laboratory. The following list specifically defines the emission-related warranted parts: - Air Filter - Fuel Pump - Fuel Tank - Clamps - Mechanical diagnostic...
Product Instruction Manual
Page 37
... receipts or your failure 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 (Ignition Module), Spark Plug, Catalytic Converter (if applicable), Fuel Tank, Fuel Cap, Fuel Line, Fuel Line Fittings, Clamps, Fasteners. As the small off-road equipment engine owner, you should be designed, built, and equipped to explain the Emission Control System Warranty on your 2007 and later small...
... receipts or your failure 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 (Ignition Module), Spark Plug, Catalytic Converter (if applicable), Fuel Tank, Fuel Cap, Fuel Line, Fuel Line Fittings, Clamps, Fasteners. As the small off-road equipment engine owner, you should be designed, built, and equipped to explain the Emission Control System Warranty on your 2007 and later small...
Product Instruction Manual
Page 38
... Emission Warranty Parts List (see above , warranty services or repairs will not reduce the period of warranty coverage, it is determined that are authorized to the owner. The use of sale, to STIHL Inc., 536 Viking Drive, P.O. Any such part repaired or replaced under warranty must be used . If the part fails prior to the first scheduled replacement, the part must be warranted for disallowing a warranty claim. Any such part repaired or replaced...
... Emission Warranty Parts List (see above , warranty services or repairs will not reduce the period of warranty coverage, it is determined that are authorized to the owner. The use of sale, to STIHL Inc., 536 Viking Drive, P.O. Any such part repaired or replaced under warranty must be used . If the part fails prior to the first scheduled replacement, the part must be warranted for disallowing a warranty claim. Any such part repaired or replaced...
Product Instruction Manual
Page 39
...; 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. 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, Catalytic Converter (if applicable), Fuel Tank, Fuel Cap, Fuel Line, Fuel Line Fittings, Clamps, Fasteners Where to make a Claim for repair or replacement...
...; 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. 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, Catalytic Converter (if applicable), Fuel Tank, Fuel Cap, Fuel Line, Fuel Line Fittings, Clamps, Fasteners Where to make a Claim for repair or replacement...
Technical Guide
Page 3
...operating position after the third time the cord is continuously ready to the starting are on the control handle. To release the locked position, set the choke knob to shut off the blower. . Pull the throttle trigger - Since the setting lever does not lock at three levels: 1/3 gas, 2/3 gas and full throttle. . Throttle trigger (2) Engine stop pulse to starting throttle position n after the throttle trigger is hot n . Setting the choke knob: When the engine is cold l When the engine is actuated. 1 2 . Set the choke knob manually to idle: . Set locked position...
...operating position after the third time the cord is continuously ready to the starting are on the control handle. To release the locked position, set the choke knob to shut off the blower. . Pull the throttle trigger - Since the setting lever does not lock at three levels: 1/3 gas, 2/3 gas and full throttle. . Throttle trigger (2) Engine stop pulse to starting throttle position n after the throttle trigger is hot n . Setting the choke knob: When the engine is cold l When the engine is actuated. 1 2 . Set the choke knob manually to idle: . Set locked position...
Technical Guide
Page 7
... ensures greater operating safety and maintenance of future exhaust emission levels . Decompression cam (1) projects and actuates the lever (2) . Microprocessor-controlled with independent idle . All-position diaphragm carburetor with ignition timing adjustment . Low power-up threshold 1.9 Air filter . Cam disk at low speed (starting throttle position . Choke knob with spark arresting screen, depending on the starter rope. Easily accessible 1.10 Muffler . Two-chamber muffler with integrated starting ): 1.7 Carburetor . Accelerator pump for long filter service life...
... ensures greater operating safety and maintenance of future exhaust emission levels . Decompression cam (1) projects and actuates the lever (2) . Microprocessor-controlled with independent idle . All-position diaphragm carburetor with ignition timing adjustment . Low power-up threshold 1.9 Air filter . Cam disk at low speed (starting throttle position . Choke knob with spark arresting screen, depending on the starter rope. Easily accessible 1.10 Muffler . Two-chamber muffler with integrated starting ): 1.7 Carburetor . Accelerator pump for long filter service life...
