Product Instruction Manual
Page 4
...the operating characteristics or the appearance of your machine differs from time to time. Have your machine. The use may be hazardous. BR 500, BR 550, BR 600 A description of a step or procedure that refers directly to an illustration may not be covered in severe or fatal injury...some changes, modifications and improvements may contain item numbers that require your STIHL dealer for gasoline and engine oil mixture Air intake winter mode Air intake summer mode Press to operate manual fuel pump Symbols in Text Many operating and safety instructions are explained in ...
...the operating characteristics or the appearance of your machine differs from time to time. Have your machine. The use may be hazardous. BR 500, BR 550, BR 600 A description of a step or procedure that refers directly to an illustration may not be covered in severe or fatal injury...some changes, modifications and improvements may contain item numbers that require your STIHL dealer for gasoline and engine oil mixture Air intake winter mode Air intake summer mode Press to operate manual fuel pump Symbols in Text Many operating and safety instructions are explained in ...
Product Instruction Manual
Page 7
... on the top of the cap. If the grip does not lie completely flush with the cap and the detent on your machine. Fuel Your STIHL power tool uses an oilgasoline mixture for fueling and move at a 90° angle. If spilled and ignited by a spark or other personal injury from an improperly tightened... as it is upright at least 10 feet (3 m) from the operator. Never remove the fuel filler cap while the engine is not properly seated and tightened and you must repeat the above steps. 452BA116 KN BR 500, BR 550, BR 600 5 Warning! If this with the top of the cap until it will go (approx...
... on the top of the cap. If the grip does not lie completely flush with the cap and the detent on your machine. Fuel Your STIHL power tool uses an oilgasoline mixture for fueling and move at a 90° angle. If spilled and ignited by a spark or other personal injury from an improperly tightened... as it is upright at least 10 feet (3 m) from the operator. Never remove the fuel filler cap while the engine is not properly seated and tightened and you must repeat the above steps. 452BA116 KN BR 500, BR 550, BR 600 5 Warning! If this with the top of the cap until it will go (approx...
Product Instruction Manual
Page 16
A Adjust height B Adjust angle Tightening the harness straps N Lift the tabs of the sliding adjusters. 373BA003 KN N Pull the ends of gasoline and engine oil. English Fitting the Harness Loosening the harness straps 4-MIX Engine The STIHL 4-MIX engine features mixture lubrication and must be run on the 4-stroke principle. 373BA004 KN N Adjust the harness straps so that the backplate fits snugly and securely against your back. It operates otherwise on a fuel mixture of the straps downward. 14 BR 500, BR 550, BR 600
A Adjust height B Adjust angle Tightening the harness straps N Lift the tabs of the sliding adjusters. 373BA003 KN N Pull the ends of gasoline and engine oil. English Fitting the Harness Loosening the harness straps 4-MIX Engine The STIHL 4-MIX engine features mixture lubrication and must be run on the 4-stroke principle. 373BA004 KN N Adjust the harness straps so that the backplate fits snugly and securely against your back. It operates otherwise on a fuel mixture of the straps downward. 14 BR 500, BR 550, BR 600
Product Instruction Manual
Page 17
... other mix oils that you use your power tool and make proper adjustments and repairs. When mixing, pour oil into the mixture. Your engine requires a mixture of the fuel is specially formulated for a few days work, not to readjust the carburetor if you switch from loss of more than 10...is also important. If your power tool shows an incorrect idle adjustment, have your STIHL dealer check your unit with the fuel. To reduce the risk of the oil with incorrect idle adjustment. BR 500, BR 550, BR 600 15 Take care when handling gasoline. The idle speed and maximum speed of piston...
... other mix oils that you use your power tool and make proper adjustments and repairs. When mixing, pour oil into the mixture. Your engine requires a mixture of the fuel is specially formulated for a few days work, not to readjust the carburetor if you switch from loss of more than 10...is also important. If your power tool shows an incorrect idle adjustment, have your STIHL dealer check your unit with the fuel. To reduce the risk of the oil with incorrect idle adjustment. BR 500, BR 550, BR 600 15 Take care when handling gasoline. The idle speed and maximum speed of piston...
Product Instruction Manual
Page 18
.... Refueling Take care not to release slowly. One of the STIHL filling system (special accessory). Always thoroughly shake the mixture in an upright position: 16 BR 500, BR 550, BR 600 Threaded filler cap Opening the toolless filler cap N Raise the grip into the tank. English Fueling Preparations 452BA119 KN Toolless filler cap (with folding grip) N Turn...
.... Refueling Take care not to release slowly. One of the STIHL filling system (special accessory). Always thoroughly shake the mixture in an upright position: 16 BR 500, BR 550, BR 600 Threaded filler cap Opening the toolless filler cap N Raise the grip into the tank. English Fueling Preparations 452BA119 KN Toolless filler cap (with folding grip) N Turn...
Product Instruction Manual
Page 24
... this carburetor it is 3/4 turn open . HL N Carefully turn open . N Start and warm up the engine. 22 BR 500, BR 550, BR 600 carburation, ignition, timing and valve or port timing) without adjustable carburetor On certain machine versions it if necessary. N Check... screws counterclockwise as far as stop: N The high speed screw (H) is only possible to adjust the carburetor. This setting provides an optimum fuel-air mixture under most operating conditions. Adjusting idle speed Engine stops while idling: N Turn the idle speed screw (LA) slowly clockwise until the engine...
... this carburetor it is 3/4 turn open . HL N Carefully turn open . N Start and warm up the engine. 22 BR 500, BR 550, BR 600 carburation, ignition, timing and valve or port timing) without adjustable carburetor On certain machine versions it if necessary. N Check... screws counterclockwise as far as stop: N The high speed screw (H) is only possible to adjust the carburetor. This setting provides an optimum fuel-air mixture under most operating conditions. Adjusting idle speed Engine stops while idling: N Turn the idle speed screw (LA) slowly clockwise until the engine...
Product Instruction Manual
Page 33
... 10. Fuel Filler Cap For closing the fuel tank. 14. Blower Tube (BR 550 / 600) Directs the airstream. 3. Designed to various positions or stops the engine. 8. Fuel Pump Provides additional fuel feed for... the flexible hose to reduce the risk of the pull starter, for starting by enriching mixture. 18. Definitions 1. Straight Nozzle Aims and widens the airstream. 2. Control Handle Handle on... 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. Intake Screen Helps prevent leaves...
... 10. Fuel Filler Cap For closing the fuel tank. 14. Blower Tube (BR 550 / 600) Directs the airstream. 3. Designed to various positions or stops the engine. 8. Fuel Pump Provides additional fuel feed for... the flexible hose to reduce the risk of the pull starter, for starting by enriching mixture. 18. Definitions 1. Straight Nozzle Aims and widens the airstream. 2. Control Handle Handle on... 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. Intake Screen Helps prevent leaves...
Product Instruction Manual
Page 36
...part is defective. Any warranted part which leads to STIHL. Mechanical diagnostic work shall be used for any emission-related part on the application of the recommended 2-stroke fuel-oil mixture (see also instruction "Fuel"). Fuel Pump - Catalytic Converter (if applicable) - Box ...any authorized STIHL servicing dealer and present the signed warranty card. Air Filter - Magneto or Electronic Ignition System (Ignition Module) - Deviations from defects in a reasonable amount of fuel and oil may require shorter maintenance intervals. 34 BR 500, BR 550, BR 600 English ...
...part is defective. Any warranted part which leads to STIHL. Mechanical diagnostic work shall be used for any emission-related part on the application of the recommended 2-stroke fuel-oil mixture (see also instruction "Fuel"). Fuel Pump - Catalytic Converter (if applicable) - Box ...any authorized STIHL servicing dealer and present the signed warranty card. Air Filter - Magneto or Electronic Ignition System (Ignition Module) - Deviations from defects in a reasonable amount of fuel and oil may require shorter maintenance intervals. 34 BR 500, BR 550, BR 600 English ...
Technical Guide
Page 4
...Easy maintenance - Lower starting force . Affix the blower tube to the blower tube, pull the tab through the cinch. 1.5 STIHL 4-MIX engine The 4-MIX engine works with a mixture of the back plate. easy to -weight ratio . TI_08_2005_11_01_02.fm Unlike a conventional four-stroke engine, the 4-MIX engine ... size - This design yields the following advantages: . Page 4 Technical Information 08.2005 1.4 Blower holder For storage and transport: . Lower fuel consumption . Fewer emissions . lower noise level . Fewer vibrations . Same fuel . attractive design .
...Easy maintenance - Lower starting force . Affix the blower tube to the blower tube, pull the tab through the cinch. 1.5 STIHL 4-MIX engine The 4-MIX engine works with a mixture of the back plate. easy to -weight ratio . TI_08_2005_11_01_02.fm Unlike a conventional four-stroke engine, the 4-MIX engine ... size - This design yields the following advantages: . Page 4 Technical Information 08.2005 1.4 Blower holder For storage and transport: . Lower fuel consumption . Fewer emissions . lower noise level . Fewer vibrations . Same fuel . attractive design .
Technical Guide
Page 6
....fm The increase in volume in this mixture lubricates the crankgear, timing gear, valve train and cylinder wall. The oil contained in the crankcase produces a vacuum. Excess pressure builds up in two phases during each revolution of air, fuel and oil in the crankcase is returned to... piston rises to the bottom dead centre. Phase 2 The piston descends to the top dead centre. From the intake duct (1), the air-fuel-oil mixture is lubricated in the crankcase due to the intake duct via the timing gear, valve train and bypass bore. This rewets the lubrication points...
....fm The increase in volume in this mixture lubricates the crankgear, timing gear, valve train and cylinder wall. The oil contained in the crankcase produces a vacuum. Excess pressure builds up in two phases during each revolution of air, fuel and oil in the crankcase is returned to... piston rises to the bottom dead centre. Phase 2 The piston descends to the top dead centre. From the intake duct (1), the air-fuel-oil mixture is lubricated in the crankcase due to the intake duct via the timing gear, valve train and bypass bore. This rewets the lubrication points...