Instruction Manual
Page 3
... Control Warranty Statement 28 STIHL Incorporated California Exhaust and Evaporative Emissions Control Warranty Statement 30 Trademarks 32 English Allow only persons who fully understand this Manual 2 Safety Precautions and Working Techniques 2 Assembling the Unit 11 Adjusting the Throttle Cable 13 Fitting the Harness 13 Fuel 13 Fueling 14 Information Before You Start 15 Starting / Stopping the Engine 15 Operating Instructions 18 Replacing the Air Filter 18 Adjusting the Carburetor 19 Spark Plug 20 Spark Arresting Screen...
... Control Warranty Statement 28 STIHL Incorporated California Exhaust and Evaporative Emissions Control Warranty Statement 30 Trademarks 32 English Allow only persons who fully understand this Manual 2 Safety Precautions and Working Techniques 2 Assembling the Unit 11 Adjusting the Throttle Cable 13 Fitting the Harness 13 Fuel 13 Fueling 14 Information Before You Start 15 Starting / Stopping the Engine 15 Operating Instructions 18 Replacing the Air Filter 18 Adjusting the Carburetor 19 Spark Plug 20 Spark Arresting Screen...
Instruction Manual
Page 4
... your machine differs from time to operate manual fuel pump Symbols in Text Many operating and safety instructions are supported by illustrations. Observe all of its individual components. WARNING Do not lend or rent your power tool. Depending on the model concerned, the following safety precautions and warnings. Example: N Loosen the screw (1). Safety Precautions and Working Techniques Because a blower is important that you...
... your machine differs from time to operate manual fuel pump Symbols in Text Many operating and safety instructions are supported by illustrations. Observe all of its individual components. WARNING Do not lend or rent your power tool. Depending on the model concerned, the following safety precautions and warnings. Example: N Loosen the screw (1). Safety Precautions and Working Techniques Because a blower is important that you...
Instruction Manual
Page 6
... the power tool parts see the "Working conditions" section of these Safety Precautions. heavy impact or a fall), always check that could become drawn into the air intake. STIHL offers an optional kit for use an appropriate respirator for the material being blown. The kit contains: (1) blower tubes made with the engine and/or operator: The control handle is designed to conduct static electricity through the throttle cable...
... the power tool parts see the "Working conditions" section of these Safety Precautions. heavy impact or a fall), always check that could become drawn into the air intake. STIHL offers an optional kit for use an appropriate respirator for the material being blown. The kit contains: (1) blower tubes made with the engine and/or operator: The control handle is designed to conduct static electricity through the throttle cable...
Instruction Manual
Page 7
... STIHL power tool uses an oilgasoline mixture for fueling and move at least 10 feet (3 m) from escaping gas vapor and fumes, remove the fuel filler cap on the fuel used, the weather conditions and the tank venting system. Do not smoke or bring any spilled fuel before refueling. Always shut off and spill quantities of fuel. Never remove the fuel filler cap while the engine is fixed and any pressure...
... STIHL power tool uses an oilgasoline mixture for fueling and move at least 10 feet (3 m) from escaping gas vapor and fumes, remove the fuel filler cap on the fuel used, the weather conditions and the tank venting system. Do not smoke or bring any spilled fuel before refueling. Always shut off and spill quantities of fuel. Never remove the fuel filler cap while the engine is fixed and any pressure...
Instruction Manual
Page 8
... simply pulling the starter rope, with no further adjustments. To reduce the risk of injury, be possible to suit your size before starting work. For specific starting , particularly the throttle trigger, setting lever and stop switch. WARNING To reduce the risk of injury from the fueling spot, outdoors only. Try slipping out of the harness a number of times before using the unit and contact your STIHL dealer for repair...
... simply pulling the starter rope, with no further adjustments. To reduce the risk of injury, be possible to suit your size before starting work. For specific starting , particularly the throttle trigger, setting lever and stop switch. WARNING To reduce the risk of injury from the fueling spot, outdoors only. Try slipping out of the harness a number of times before using the unit and contact your STIHL dealer for repair...
Instruction Manual
Page 9
...: - Operate your blower before starting work. Check your power tool at any other insecure support. WARNING Special care must be taken in slippery conditions (wet ground) and in such situations. - for professional use a rake and broom to avoid stumbling. WARNING To reduce the risk of loss of bystanders, in particular in rubbish bins - During Operation Holding and Controlling the Power Tool The blower...
...: - Operate your blower before starting work. Check your power tool at any other insecure support. WARNING Special care must be taken in slippery conditions (wet ground) and in such situations. - for professional use a rake and broom to avoid stumbling. WARNING To reduce the risk of loss of bystanders, in particular in rubbish bins - During Operation Holding and Controlling the Power Tool The blower...
Instruction Manual
Page 11
... of the engine by your power tool down in hot or dry conditions. WARNING The muffler and other parts while they are equipped with a damaged or improperly mounted cylinder housing or a damaged/deformed muffler shell. To reduce risk of performance and you suspect a clogged screen, have your gas/oil mix ratio is best to the operator or bystanders as sand, grass, dust, etc. Remove excess...
... of the engine by your power tool down in hot or dry conditions. WARNING The muffler and other parts while they are equipped with a damaged or improperly mounted cylinder housing or a damaged/deformed muffler shell. To reduce risk of performance and you suspect a clogged screen, have your gas/oil mix ratio is best to the operator or bystanders as sand, grass, dust, etc. Remove excess...
Instruction Manual
Page 12
... 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 complying spark arrester that the fan is stopped before doing any maintenance or repair work or cleaning the power tool. WARNING Always stop the engine and make sure it and the ignition lead are always clean and in a dry and high or locked location...
... 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 complying spark arrester that the fan is stopped before doing any maintenance or repair work or cleaning the power tool. WARNING Always stop the engine and make sure it and the ignition lead are always clean and in a dry and high or locked location...
Instruction Manual
Page 15
... that you feel initial resistance. For this reason STIHL recommends that the backplate fits snugly and securely against your BR 450, BR 450 C 13 English Adjusting the Throttle Cable Fitting the Harness Fuel It may be necessary to correct the adjustment of the throttle cable after assembling the machine or after a prolonged period of highquality gasoline and two-stroke air cooled engine oil. Your engine requires a mixture of operation.
... that you feel initial resistance. For this reason STIHL recommends that the backplate fits snugly and securely against your BR 450, BR 450 C 13 English Adjusting the Throttle Cable Fitting the Harness Fuel It may be necessary to correct the adjustment of the throttle cable after assembling the machine or after a prolonged period of highquality gasoline and two-stroke air cooled engine oil. Your engine requires a mixture of operation.
Instruction Manual
Page 16
..., do not fill the tank up in both water cooled and air cooled engines (e.g., outboard motors, snowmobiles, chain saws, mopeds, etc.). Fuel mix ages Only mix sufficient fuel for use in the tank to the brim. 14 BR 450, BR 450 C When mixing, pour oil into the tank. This problem can be kept tightly closed in or on the ground before fueling your power tool and make proper adjustments and repairs. Store in air cooled two-cycle engines.
..., do not fill the tank up in both water cooled and air cooled engines (e.g., outboard motors, snowmobiles, chain saws, mopeds, etc.). Fuel mix ages Only mix sufficient fuel for use in the tank to the brim. 14 BR 450, BR 450 C When mixing, pour oil into the tank. This problem can be kept tightly closed in or on the ground before fueling your power tool and make proper adjustments and repairs. Store in air cooled two-cycle engines.
Instruction Manual
Page 18
.... Starter switch The battery supplies the starter motor with starter motor and starter gear - The battery is recharged while the power tool is inhibited to prevent it might otherwise break. If the power tool is stored at temperatures below 0°C it may cool down to a point where a start ) N Push the choke knob in control unit - The STIHL electric starter basically consists of the nozzle outlet. 0014BA005 AS 16 BR 450, BR 450 C Also use this setting if...
.... Starter switch The battery supplies the starter motor with starter motor and starter gear - The battery is recharged while the power tool is inhibited to prevent it might otherwise break. If the power tool is stored at temperatures below 0°C it may cool down to a point where a start ) N Push the choke knob in control unit - The STIHL electric starter basically consists of the nozzle outlet. 0014BA005 AS 16 BR 450, BR 450 C Also use this setting if...
Instruction Manual
Page 20
... at least five times - Operating Instructions During Operation After a long period of cooling air. After Finishing Work Replacing the Air Filter Dirty air filters reduce engine power, increase fuel consumption and make starting procedure. see "Storing the Machine". 1 2 1 N Turn the choke knob to engine temperature. N Set the choke knob according to c . N Loosen the screws (1). even if the bulb is a noticeable loss of -service periods - N Now start the engine. N Remove the filter cover (2). 0002BA088 KN 18 BR 450, BR 450 C English N Check that engine heat can...
... at least five times - Operating Instructions During Operation After a long period of cooling air. After Finishing Work Replacing the Air Filter Dirty air filters reduce engine power, increase fuel consumption and make starting procedure. see "Storing the Machine". 1 2 1 N Turn the choke knob to engine temperature. N Set the choke knob according to c . N Loosen the screws (1). even if the bulb is a noticeable loss of -service periods - N Now start the engine. N Remove the filter cover (2). 0002BA088 KN 18 BR 450, BR 450 C English N Check that engine heat can...
Instruction Manual
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... up the engine. BR 450, BR 450 C 19 N Check that the throttle cable is properly adjusted - Adjusting the Carburetor 3 General Information 0002BA089 KN N Remove the filter element (3). N Fit the new filter in the muffler and clean or replace if necessary. N Check the spark arresting screen (not in all models, country-specific) in the filter housing. L LA 0002BA083 KN Engine stops while idling N Turn the idle speed screw (LA) slowly clockwise until the engine runs smoothly. readjust if necessary - N Fit the filter cover. N Fit the screws and...
... up the engine. BR 450, BR 450 C 19 N Check that the throttle cable is properly adjusted - Adjusting the Carburetor 3 General Information 0002BA089 KN N Remove the filter element (3). N Fit the new filter in the muffler and clean or replace if necessary. N Check the spark arresting screen (not in all models, country-specific) in the filter housing. L LA 0002BA083 KN Engine stops while idling N Turn the idle speed screw (LA) slowly clockwise until the engine runs smoothly. readjust if necessary - N Fit the filter cover. N Fit the screws and...
Instruction Manual
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... air filter and unfavorable running conditions, e.g. Fit a new spark plug after every correction to start or runs poorly at part throttle etc.) affect the condition of engine damage due to the standard setting. Checking the Spark Plug A N Clean dirty spark plug. N Warm up the engine. dirty air filter, - Fine Tuning for Operation at part load. 20 BR 450, BR 450 C Erratic idling behavior Idle setting is too lean N Turn the low speed screw (L) counterclockwise, no further than stop . Wrong fuel mix (too much oil in fuel mix, - N Check electrode gap...
... air filter and unfavorable running conditions, e.g. Fit a new spark plug after every correction to start or runs poorly at part throttle etc.) affect the condition of engine damage due to the standard setting. Checking the Spark Plug A N Clean dirty spark plug. N Warm up the engine. dirty air filter, - Fine Tuning for Operation at part load. 20 BR 450, BR 450 C Erratic idling behavior Idle setting is too lean N Turn the low speed screw (L) counterclockwise, no further than stop . Wrong fuel mix (too much oil in fuel mix, - N Check electrode gap...
Instruction Manual
Page 23
... between spark plug boot and ignition wire connector in the boot may create arcing that you have servicing and repair work carried out exclusively by an authorized STIHL servicing dealer. 002BA363 KN 002BA178 KN 3 WARNING To reduce the risk of the proper size. (Note: If terminal has detachable SAE adapter nut, it down on power, 2 check the spark arresting screen in muffler N If the engine is...
... between spark plug boot and ignition wire connector in the boot may create arcing that you have servicing and repair work carried out exclusively by an authorized STIHL servicing dealer. 002BA363 KN 002BA178 KN 3 WARNING To reduce the risk of the proper size. (Note: If terminal has detachable SAE adapter nut, it down on power, 2 check the spark arresting screen in muffler N If the engine is...
Instruction Manual
Page 25
... machine Control handle Air filter Manual fuel pump (if fitted) Filter in fuel tank Fuel tank Carburetor Spark plug Cooling inlets Valve clearance Combustion chamber Spark arresting screen in muffler Spacer Visual inspection (condition, leaks) X X Clean X Check operation X X Clean X Replace X Check X Have repaired by servicing dealer1) Have checked by dealer1) Have filter replaced by dealer1) X X X X Clean X Check idle adjustment X X Readjust idle X Readjust electrode gap X Replace after every 100 operating hours Visual inspection X Clean X Check and adjust...
... machine Control handle Air filter Manual fuel pump (if fitted) Filter in fuel tank Fuel tank Carburetor Spark plug Cooling inlets Valve clearance Combustion chamber Spark arresting screen in muffler Spacer Visual inspection (condition, leaks) X X Clean X Check operation X X Clean X Replace X Check X Have repaired by servicing dealer1) Have checked by dealer1) Have filter replaced by dealer1) X X X X Clean X Check idle adjustment X X Readjust idle X Readjust electrode gap X Replace after every 100 operating hours Visual inspection X Clean X Check and adjust...
Instruction Manual
Page 28
... Handle For transporting the unit. 14. Manual Fuel Pump Provides additional fuel feed for starting by enriching mixture. 19. Fuel Filler Cap For closing the fuel tank. 21. Spark arresting screen is designed to various positions or stops the engine. 8. Quick-Release Clamp For adjusting the position of blower tube length. 4. Fuel Tank For fuel and oil mixture. 22. Spark Plug Boot Connects the spark plug with Spark Arresting Screen) Muffler reduces exhaust noises and diverts exhaust gases away from operator. Specifications...
... Handle For transporting the unit. 14. Manual Fuel Pump Provides additional fuel feed for starting by enriching mixture. 19. Fuel Filler Cap For closing the fuel tank. 21. Spark arresting screen is designed to various positions or stops the engine. 8. Quick-Release Clamp For adjusting the position of blower tube length. 4. Fuel Tank For fuel and oil mixture. 22. Spark Plug Boot Connects the spark plug with Spark Arresting Screen) Muffler reduces exhaust noises and diverts exhaust gases away from operator. Specifications...
Instruction Manual
Page 30
... be designed, built and equipped, at the time of time, not to meet the U.S. Any replacement part or service that is defective, the part will begin on your engine is free from defects in your small off -road equipment engines must be aware, however, that you retain all receipts covering maintenance on your small off -road equipment engine owner, you warranty coverage if your instruction manual. Box...
... be designed, built and equipped, at the time of time, not to meet the U.S. Any replacement part or service that is defective, the part will begin on your engine is free from defects in your small off -road equipment engines must be aware, however, that you retain all receipts covering maintenance on your small off -road equipment engine owner, you warranty coverage if your instruction manual. Box...
Instruction Manual
Page 31
... approved in this recommendation English regarding quality and mixing ratio of fuel and oil may be used for any warranty maintenance or repairs on the application of the recommended 2-stroke fuel-oil mixture (see also instruction "Fuel"). Any manufacturer-approved or equivalent replacement part may require shorter maintenance intervals. Carburetor (if applicable) - Choke (Cold Start Enrichment System) (if applicable) - Intake Manifold - Throttle Housing (if applicable) - Clamps - Fasteners Where to make a Claim...
... approved in this recommendation English regarding quality and mixing ratio of fuel and oil may be used for any warranty maintenance or repairs on the application of the recommended 2-stroke fuel-oil mixture (see also instruction "Fuel"). Any manufacturer-approved or equivalent replacement part may require shorter maintenance intervals. Carburetor (if applicable) - Choke (Cold Start Enrichment System) (if applicable) - Intake Manifold - Throttle Housing (if applicable) - Clamps - Fasteners Where to make a Claim...
Instruction Manual
Page 33
..., it is defective. Any such part repaired or replaced under warranty. Emission Warranty Parts List Air Filter, Carburetor (if applicable), Fuel Pump, Choke (Cold Start Enrichment System) (if applicable), Control Linkages, Intake Manifold, Magneto or Electronic Ignition System (Ignition Module or Electronic Control Unit), Fly Wheel, Spark Plug, Injection Valve (if applicable), Injection Pump (if applicable), Throttle Housing (if applicable), Cylinder, Muffler, Catalytic Converter (if applicable), Fuel Tank, Fuel Cap, Fuel Line, Fuel Line Fittings, Clamps, Fasteners. Any manufacturer...
..., it is defective. Any such part repaired or replaced under warranty. Emission Warranty Parts List Air Filter, Carburetor (if applicable), Fuel Pump, Choke (Cold Start Enrichment System) (if applicable), Control Linkages, Intake Manifold, Magneto or Electronic Ignition System (Ignition Module or Electronic Control Unit), Fly Wheel, Spark Plug, Injection Valve (if applicable), Injection Pump (if applicable), Throttle Housing (if applicable), Cylinder, Muffler, Catalytic Converter (if applicable), Fuel Tank, Fuel Cap, Fuel Line, Fuel Line Fittings, Clamps, Fasteners. Any manufacturer...
