Instruction Manual
Page 1
STIHL BR 320, Instruction Manual Owner's Manual Assembling Safety Precautions Operating Instructions Maintenance 400
STIHL BR 320, Instruction Manual Owner's Manual Assembling Safety Precautions Operating Instructions Maintenance 400
Instruction Manual
Page 2
... power tool to continually improve all STIHL BR 320, 10 Operating Instructions 23 BR 320 L, BR 400 blowers. 11 Storing the Machine 23 Pay special attention to -time. If the operating characteristics or the appearance of the instructions in USA M10. PM. Careless or improper use may cause serious or even fatal injury. Parts and Controls Safety Precautions Assembling the Blower Using the Blower Fuel Fueling Starting Cleaning the Air Filter Adjusting the Carburetor Motormanagement Checking the Spark Plug Spark Arresting Screen in this Manual...
... power tool to continually improve all STIHL BR 320, 10 Operating Instructions 23 BR 320 L, BR 400 blowers. 11 Storing the Machine 23 Pay special attention to -time. If the operating characteristics or the appearance of the instructions in USA M10. PM. Careless or improper use may cause serious or even fatal injury. Parts and Controls Safety Precautions Assembling the Blower Using the Blower Fuel Fueling Starting Cleaning the Air Filter Adjusting the Carburetor Motormanagement Checking the Spark Plug Spark Arresting Screen in this Manual...
Instruction Manual
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1 12 12 353BA032 A033 KN 5 6 4 3 2 8 9 11 7 10 13 16 15 14 18 17 353BA031 1 = Nozzle 2 = Blower tube 3 = Control handle 4 = Throttle trigger 5 = Setting lever 6 = Stop switch 7 = Pleated hose 8 = Harness 9 = Back plate 10 = Back padding 11 = Air filter 12 = Rubber buffers 13 = Spark plug boot 14 = Muffler (with spark arresting screen) 15 = Carburetor adjusting screws 16 = Choke knob 17 = Starter grip 18 = Fuel filler cap ✽= Serial number
1 12 12 353BA032 A033 KN 5 6 4 3 2 8 9 11 7 10 13 16 15 14 18 17 353BA031 1 = Nozzle 2 = Blower tube 3 = Control handle 4 = Throttle trigger 5 = Setting lever 6 = Stop switch 7 = Pleated hose 8 = Harness 9 = Back plate 10 = Back padding 11 = Air filter 12 = Rubber buffers 13 = Spark plug boot 14 = Muffler (with spark arresting screen) 15 = Carburetor adjusting screws 16 = Choke knob 17 = Starter grip 18 = Fuel filler cap ✽= Serial number
Instruction Manual
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... reduce the transmission of the pull starter, which is the device to start the engine. Sets the trottle to the ignition wire. Increases carrying comfort. Connects the spark plug to various positions. For tuning carburetor. The grip of vibrations created by enrichting mixture. Cover the air filter element. Stops engine. Controls the speed of the user. For spraying, dusting or spreading in the required direction. For closing the fuel tank. For carrying...
... reduce the transmission of the pull starter, which is the device to start the engine. Sets the trottle to the ignition wire. Increases carrying comfort. Connects the spark plug to various positions. For tuning carburetor. The grip of vibrations created by enrichting mixture. Cover the air filter element. Stops engine. Controls the speed of the user. For spraying, dusting or spreading in the required direction. For closing the fuel tank. For carrying...
Instruction Manual
Page 5
...description of the controls and function of the parts of your STIHL Dealer show you have different parts and controls. Have your machine. 1. See the appropriate section of your owner's manual for those operators who use a blower : Bystanders, ...blower is equipped with your blower. Different models may have any blower can be drawn into the air intake. the use of a blower, (or other machines) exposing the operator to use blowers on a regular or sustained basis. The STIHL BR 320, 400 is recommended. Therefore, continual and regular users should never be in use...
...description of the controls and function of the parts of your STIHL Dealer show you have different parts and controls. Have your machine. 1. See the appropriate section of your owner's manual for those operators who use a blower : Bystanders, ...blower is equipped with your blower. Different models may have any blower can be drawn into the air intake. the use of a blower, (or other machines) exposing the operator to use blowers on a regular or sustained basis. The STIHL BR 320, 400 is recommended. Therefore, continual and regular users should never be in use...
Instruction Manual
Page 6
... other ignition source, it has been completely removed from the operator. Only attachments supplied by STIHL or expressly approved by a spark or other parts, and may cause the engine or fuel tank to the pack frame. Before starting your blower and check for leakage. This STIHL unit uses an oil-gasoline mixture for use a face filter mask when using your STIHL dealer. Use extreme caution when handling gasoline or fuel mix. Relieve fuel tank pressure by your blower in...
... other ignition source, it has been completely removed from the operator. Only attachments supplied by STIHL or expressly approved by a spark or other parts, and may cause the engine or fuel tank to the pack frame. Before starting your blower and check for leakage. This STIHL unit uses an oil-gasoline mixture for use a face filter mask when using your STIHL dealer. Use extreme caution when handling gasoline or fuel mix. Relieve fuel tank pressure by your blower in...
Instruction Manual
Page 7
... back, but guide the starter rope slowly back to permit the rope to reduce the risk of another person may damage the starter mechanism. Place the machine on your back using the carrying harness. Wrap your fingers tightly around your machine under control at idle speed during operation. If fuel or oil leakage is found, do not start or run the engine until leak is...
... back, but guide the starter rope slowly back to permit the rope to reduce the risk of another person may damage the starter mechanism. Place the machine on your back using the carrying harness. Wrap your fingers tightly around your machine under control at idle speed during operation. If fuel or oil leakage is found, do not start or run the engine until leak is...
Instruction Manual
Page 9
... the lap belt on machines that are blowing out pipes, drains, gutters and your manual. The STIHL blower can be used only for the operations described in order to pick up dry material such as a result of the blower. To reduce the risk of times before cleaning or servicing the unit or replacing parts. Pay attention to the operator or bystanders as leaves, grass, small...
... the lap belt on machines that are blowing out pipes, drains, gutters and your manual. The STIHL blower can be used only for the operations described in order to pick up dry material such as a result of the blower. To reduce the risk of times before cleaning or servicing the unit or replacing parts. Pay attention to the operator or bystanders as leaves, grass, small...
Instruction Manual
Page 10
... this manual. Use only identical STIHL replacement parts for longer than a few days, always empty the fuel tank. Remember that the fan is greater in good condition. Tighten all nuts, bolts and screws except the carburetor adjustment screws after each use. Always stop the engine and make sure it and the ignition lead are badly pitted. Before storing for maintenance and repair. Follow the maintenance and repair instructions in a dry, high or locked location...
... this manual. Use only identical STIHL replacement parts for longer than a few days, always empty the fuel tank. Remember that the fan is greater in good condition. Tighten all nuts, bolts and screws except the carburetor adjustment screws after each use. Always stop the engine and make sure it and the ignition lead are badly pitted. Before storing for maintenance and repair. Follow the maintenance and repair instructions in a dry, high or locked location...
Instruction Manual
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... ground. Comply with the classification TC. to operate on workdays for those lawn and garden applications where a blower can work • close to the engine. This engine is essential that you use premium unleaded fuel. After using power blowers instead of power equipment at a time, when possible. • Operate power blowers at the lowest possible throttle speed to minimize noise: • Operate power equipment only at reasonable hours - Your...
... ground. Comply with the classification TC. to operate on workdays for those lawn and garden applications where a blower can work • close to the engine. This engine is essential that you use premium unleaded fuel. After using power blowers instead of power equipment at a time, when possible. • Operate power blowers at the lowest possible throttle speed to minimize noise: • Operate power equipment only at reasonable hours - Your...
Instruction Manual
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... a long period, drain and clean the fuel tank and run engine until carburetor is stored should be cleaned from escaping gas vapor and fumes, remove the fuel filler cap carefully so as possible by hand. Take care when handling gasoline. Always thoroughly shake the mixture in the canister before fueling your machine for use BIA or TCW (two-stroke water cooled) mix oils! After fueling, tighten fuel cap as securely as...
... a long period, drain and clean the fuel tank and run engine until carburetor is stored should be cleaned from escaping gas vapor and fumes, remove the fuel filler cap carefully so as possible by hand. Take care when handling gasoline. Always thoroughly shake the mixture in the canister before fueling your machine for use BIA or TCW (two-stroke water cooled) mix oils! After fueling, tighten fuel cap as securely as...
Instruction Manual
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... start the engine. Now start the engine. • Pull starter rope several times to • even if the engine is : Continue cranking until engine runs. • Move the setting lever to its lower end position so that engine settles down to idle speed. • Slide the stop switch to As soon as engine runs: •• Move the setting lever to its lower stop switch to • prime the fuel pump and fuel line. Open the throttle fully. Remove spark plug...
... start the engine. Now start the engine. • Pull starter rope several times to • even if the engine is : Continue cranking until engine runs. • Move the setting lever to its lower end position so that engine settles down to idle speed. • Slide the stop switch to As soon as engine runs: •• Move the setting lever to its lower stop switch to • prime the fuel pump and fuel line. Open the throttle fully. Remove spark plug...
Instruction Manual
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... 1 Dirty air filters reduce engine power, increase fuel consumption and make starting more difficult. Wash the prefilter in the filter • base . if it is dirty, fit a new one. • Fit the felt element in fresh, nonflammable cleaning solution (e.g. The carburetor comes with the lowest possible emission under most operating conditions. Turn high speed adjusting screw and low speed adjusting screw counterclockwise (richer) or as far as stop. Turn choke knob to...
... 1 Dirty air filters reduce engine power, increase fuel consumption and make starting more difficult. Wash the prefilter in the filter • base . if it is dirty, fit a new one. • Fit the felt element in fresh, nonflammable cleaning solution (e.g. The carburetor comes with the lowest possible emission under most operating conditions. Turn high speed adjusting screw and low speed adjusting screw counterclockwise (richer) or as far as stop. Turn choke knob to...
Instruction Manual
Page 18
... - Use a to set the highspeed adjusting screw any leaner by lack of the idle speed adjusting screw after every correction to the low speed adjusting screw . L LA It is too lean. If you don't have a noticeable effect on the engine's running behavior. Turn the idle speed adjusting screw clockwise until engine runs and accelerates smoothly. 353BA023 slight changes have a tachometer, do not set the high speed adjusting screw to change the setting of lubrication and overheating - • Check air filter and clean...
... - Use a to set the highspeed adjusting screw any leaner by lack of the idle speed adjusting screw after every correction to the low speed adjusting screw . L LA It is too lean. If you don't have a noticeable effect on the engine's running behavior. Turn the idle speed adjusting screw clockwise until engine runs and accelerates smoothly. 353BA023 slight changes have a tachometer, do not set the high speed adjusting screw to change the setting of lubrication and overheating - • Check air filter and clean...
Instruction Manual
Page 19
... STIHL (see chapter "Starting": Clean dirty spark plug. •• Check electrode gap it must be 0.5mm/0.02" - • readjust if necessary. Use only resistor type spark plugs of the proper size. (Note: If terminal has detachable SAE adapter nut, it should be attached.) A loose connection between spark plug terminal and ignition wire connector in operation. operating at part throttle etc.) affect the condition of spark plug: Incorrect carburetor setting, too much engine oil in the gasoline), a dirty air filter...
... STIHL (see chapter "Starting": Clean dirty spark plug. •• Check electrode gap it must be 0.5mm/0.02" - • readjust if necessary. Use only resistor type spark plugs of the proper size. (Note: If terminal has detachable SAE adapter nut, it should be attached.) A loose connection between spark plug terminal and ignition wire connector in operation. operating at part throttle etc.) affect the condition of spark plug: Incorrect carburetor setting, too much engine oil in the gasoline), a dirty air filter...
Instruction Manual
Page 20
Tighten down the starter cover screws . Take out the housing mounting screws . • Remove the housing . • Squeeze the ends of the muffler. Place housing in the muffler. 4 3 4 5 1 1 2 4 1 4 76 4 3 4 5 1 1 2 4 1 4 353BA025 353BA026 353BA025 If the engine is damaged or heavily carbonized, fit a new one. Fit the spark plug boot . Remove the starter cover . Tighten down housing screws. Pull off the spark plug boot . Install the spark arresting screen . •• Fit the clip . Clean the spark arresting screen. ••...
Tighten down the starter cover screws . Take out the housing mounting screws . • Remove the housing . • Squeeze the ends of the muffler. Place housing in the muffler. 4 3 4 5 1 1 2 4 1 4 76 4 3 4 5 1 1 2 4 1 4 353BA025 353BA026 353BA025 If the engine is damaged or heavily carbonized, fit a new one. Fit the spark plug boot . Remove the starter cover . Tighten down housing screws. Pull off the spark plug boot . Install the spark arresting screen . •• Fit the clip . Clean the spark arresting screen. ••...
Instruction Manual
Page 24
... dry this period. A factory new machine should not be dissipated by flow of cooling air. After a long period of full-throttle operation, allow engine to bed in during the break-in period, the frictional resistances in the engine are greater during the break-in a dry, high or locked location - Drain and clean the fuel tank. •• Run engine until you need it again. As all...
... dry this period. A factory new machine should not be dissipated by flow of cooling air. After a long period of full-throttle operation, allow engine to bed in during the break-in period, the frictional resistances in the engine are greater during the break-in a dry, high or locked location - Drain and clean the fuel tank. •• Run engine until you need it again. As all...
Instruction Manual
Page 25
...-17 x 16-17 x 18 x x x x The user of this manual. Complete machine Control handle Air filter Filter in fuel tank Fuel tank Carburetor Spark plug Cylinder fins Spark arresting screen in this unit should carry out only the maintenance operations described in muffler All accessible screws and nuts (not adjusting screws) Visual inspection (condition, leaks) Clean Check operation Clean Replace Check Replace felt and strainer Clean Check idle adjustment Idle setting Readjust electrode gap Clean Inspect Clean or replace Retighten before starting work after finishiing work area) shorten...
...-17 x 16-17 x 18 x x x x The user of this manual. Complete machine Control handle Air filter Filter in fuel tank Fuel tank Carburetor Spark plug Cylinder fins Spark arresting screen in this unit should carry out only the maintenance operations described in muffler All accessible screws and nuts (not adjusting screws) Visual inspection (condition, leaks) Clean Check operation Clean Replace Check Replace felt and strainer Clean Check idle adjustment Idle setting Readjust electrode gap Clean Inspect Clean or replace Retighten before starting work after finishiing work area) shorten...
Instruction Manual
Page 28
... the ultimate purchaser. The warranty repairs will be completed in your owner's manual. The equipment engine must be used in materials and workmanship which cause the engine to fail to conform with U.S. Your emission control system includes parts such as a problem exists. Any replacement part or service that is defective, the part will be repaired or replaced by STIHL Incorporated free of two years. STIHL Incorporated warrants to exceed...
... the ultimate purchaser. The warranty repairs will be completed in your owner's manual. The equipment engine must be used in materials and workmanship which cause the engine to fail to conform with U.S. Your emission control system includes parts such as a problem exists. Any replacement part or service that is defective, the part will be repaired or replaced by STIHL Incorporated free of two years. STIHL Incorporated warrants to exceed...
Instruction Manual
Page 29
... the owner. The California Air Resources Board's Emission Warranty Parts List specifically defines the emission-related warranted parts. Deviations from this manual are : Carburetor Choke (Cold start enrichment system) Intake manifold Air filter Spark plug Magneto or electronic ignition system (ignition module) Catalytic converter (if applicable) Fasteners Bring the product to any warranty mainten-ance or repairs on emission-related parts and must be performed at an authorized STIHL servicing dealer. repair or replacement required...
... the owner. The California Air Resources Board's Emission Warranty Parts List specifically defines the emission-related warranted parts. Deviations from this manual are : Carburetor Choke (Cold start enrichment system) Intake manifold Air filter Spark plug Magneto or electronic ignition system (ignition module) Catalytic converter (if applicable) Fasteners Bring the product to any warranty mainten-ance or repairs on emission-related parts and must be performed at an authorized STIHL servicing dealer. repair or replacement required...