Instruction Manual
Page 2
... 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 Muffler 2 Replacing the Starter Rope This Manual contains operating... and To receive maximum performance and 16 California Emission Control Warranty satisfaction from time-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 the safety 12 Maintenance Chart 24 precautions outlined...
... 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 Muffler 2 Replacing the Starter Rope This Manual contains operating... and To receive maximum performance and 16 California Emission Control Warranty satisfaction from time-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 the safety 12 Maintenance Chart 24 precautions outlined...
Instruction Manual
Page 3
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
Page 4
... to various positions. Eases engine starting by the engine to start the engine. For closing the fuel tank. Cover the air filter element. For tuning carburetor. Directs spray or airstream. Stops engine. Controls the speed of the user. Sets the trottle to the ignition wire. Helps protect the back of the...
... to various positions. Eases engine starting by the engine to start the engine. For closing the fuel tank. Cover the air filter element. For tuning carburetor. Directs spray or airstream. Stops engine. Controls the speed of the user. Sets the trottle to the ignition wire. Helps protect the back of the...
Instruction Manual
Page 10
...not functioning properly or has been removed. Always stop the engine and make sure it and the ignition lead are badly pitted. Use only identical STIHL replacement parts for leaks at the end of parts manufactured by others may cause loss of this manual. Use of this manual. Have such ... hours and reset if necessary. Fit a new spark plug if the electrodes are always in the appropriate section of forest fires is greater in your STIHL service shop only. Use the spark arresting muffler supplied with a feeler gauge at your owner's manual. In order to see that the risk of...
...not functioning properly or has been removed. Always stop the engine and make sure it and the ignition lead are badly pitted. Use only identical STIHL replacement parts for leaks at the end of parts manufactured by others may cause loss of this manual. Use of this manual. Have such ... hours and reset if necessary. Fit a new spark plug if the electrodes are always in the appropriate section of forest fires is greater in your STIHL service shop only. Use the spark arresting muffler supplied with a feeler gauge at your owner's manual. In order to see that the risk of...
Instruction Manual
Page 11
... tube and rotate it clockwise to engage the bayonet coupling. • Push the nozzle onto the end of the blower (one combination wrench and one carburetor screwdriver) • Line up the stops on the stub. Turn the control handle to the pleated hose with the retainer . • Push the blower tube...
... tube and rotate it clockwise to engage the bayonet coupling. • Push the nozzle onto the end of the blower (one combination wrench and one carburetor screwdriver) • Line up the stops on the stub. Turn the control handle to the pleated hose with the retainer . • Push the blower tube...
Instruction Manual
Page 13
...diameter suction tube. Usual recommendations are 9:00 a.m. If the octane number of hoses for mixing. Some fuel additives not only detrimentally affect elastomers (carburetor diaphragms, oil seals, fuel lines etc.), but magnesium castings as open windows or freshly- • washed cars. Use the full blower nozzle ...as well. This could cause running problems or even damage the engine. on weekends. • Fewer engines mean less noise; Use only STIHL two-stroke engine oil or equivalent branded two-stroke aircooled engine oils with a lower octane rating may clog the fan. Do not blow ...
...diameter suction tube. Usual recommendations are 9:00 a.m. If the octane number of hoses for mixing. Some fuel additives not only detrimentally affect elastomers (carburetor diaphragms, oil seals, fuel lines etc.), but magnesium castings as open windows or freshly- • washed cars. Use the full blower nozzle ...as well. This could cause running problems or even damage the engine. on weekends. • Fewer engines mean less noise; Use only STIHL two-stroke engine oil or equivalent branded two-stroke aircooled engine oils with a lower octane rating may clog the fan. Do not blow ...
Instruction Manual
Page 14
.... The fuel tank and the canister in which fuel mix is dry. When mixing, pour oil into the tank. Always thoroughly shake the mixture in STIHL engines. Before storing your machine. Do not use in the canister before fueling your machine for a few days work, not to exceed 3 months of burns... be cleaned from time to time. 353BA008 353BA009 Only mix sufficient fuel for a long period, drain and clean the fuel tank and run engine until carburetor is stored should be kept tightly closed in order to avoid any pressure build-up body every year. Change the fuel pick up in approved...
.... The fuel tank and the canister in which fuel mix is dry. When mixing, pour oil into the tank. Always thoroughly shake the mixture in STIHL engines. Before storing your machine. Do not use in the canister before fueling your machine for a few days work, not to exceed 3 months of burns... be cleaned from time to time. 353BA008 353BA009 Only mix sufficient fuel for a long period, drain and clean the fuel tank and run engine until carburetor is stored should be kept tightly closed in order to avoid any pressure build-up body every year. Change the fuel pick up in approved...
Instruction Manual
Page 17
... to •• Release the screws and pull off • the filter cover . if it is necessary to readjust the carburetor from the filter element . Exaust emissions are controlled by the design of any major hardware. carburation, ignition, timing and valve or... part timing) without the addition of the fundamental engine parameters and components (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...
... to •• Release the screws and pull off • the filter cover . if it is necessary to readjust the carburetor from the filter element . Exaust emissions are controlled by the design of any major hardware. carburation, ignition, timing and valve or... part timing) without the addition of the fundamental engine parameters and components (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...
Instruction Manual
Page 19
...a new spark plug after approx. 100 operating hours or earlier if the electrodes are badly eroded. To reduce the risk of spark plug: Incorrect carburetor setting, too much engine oil in operation. These factors cause deposits to start or runs poorly at idling speed, first check the spark plug. ... down on power, difficult to form on the insulator nose which have caused fouling of fire and burn injury, use only spark plugs authorized by STIHL (see chapter "Starting": Clean dirty spark plug. •• Check electrode gap it must be 0.5mm/0.02" - • readjust if necessary. Always...
...a new spark plug after approx. 100 operating hours or earlier if the electrodes are badly eroded. To reduce the risk of spark plug: Incorrect carburetor setting, too much engine oil in operation. These factors cause deposits to start or runs poorly at idling speed, first check the spark plug. ... down on power, difficult to form on the insulator nose which have caused fouling of fire and burn injury, use only spark plugs authorized by STIHL (see chapter "Starting": Clean dirty spark plug. •• Check electrode gap it must be 0.5mm/0.02" - • readjust if necessary. Always...
Instruction Manual
Page 24
...bed in during the break-in period, the frictional resistances in the engine are greater during the break-in a dry place until carburetor is dry this period. Drain and clean the fuel tank. •• Run engine until you need it again. A factory...load) for an long period: see chapter "Storing the Machine". This protects enginemounted components (ignition, carburetor) from thermal overload. This avoids unnecessary high loads during this helps prevent the carburetor diaphragms sticking together. • Thoroughly clean the machine pay special attention to cool down.
...bed in during the break-in period, the frictional resistances in the engine are greater during the break-in a dry place until carburetor is dry this period. Drain and clean the fuel tank. •• Run engine until you need it again. A factory...load) for an long period: see chapter "Storing the Machine". This protects enginemounted components (ignition, carburetor) from thermal overload. This avoids unnecessary high loads during this helps prevent the carburetor diaphragms sticking together. • Thoroughly clean the machine pay special attention to cool down.
Instruction Manual
Page 25
... finishiing work area) shorten the specified intervals accordingly. 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...-17 x 18 x x x x The user of this manual. Original STIHL parts can be performed only by the STlHL part number, the logo and the STIHL parts symbol The symbol may be identified by an authorized STIHL Service dealer. Please note that the following maintenance intervals apply for normal operating...
... finishiing work area) shorten the specified intervals accordingly. 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...-17 x 18 x x x x The user of this manual. Original STIHL parts can be performed only by the STlHL part number, the logo and the STIHL parts symbol The symbol may be identified by an authorized STIHL Service dealer. Please note that the following maintenance intervals apply for normal operating...
Instruction Manual
Page 27
Type: Spark plug (suppressed): Electrode gap: Spark plug thread: Electronic magneto ignition Bosch WSR 6 F or NGK BPMR 7 A; Heat range 200 0.5 mm (0.02 in) M 14 x 1,25; 9.5 mm (0.37 in) long Height: Width: Depth: 445 mm (17.5 in) 480 mm (18.9 in) 280 mm (11.0 in) Blower to Mistblower conversion kit, vacuum attachment, hip belt, back rest padding Carburetor: Air filter: Fuel tank capacity: Fuel mix: All position diaphragm carburetor with integral fuel pump Paper filter element 1.5 l (3.2 US pt) See chapter "Fuel"
Type: Spark plug (suppressed): Electrode gap: Spark plug thread: Electronic magneto ignition Bosch WSR 6 F or NGK BPMR 7 A; Heat range 200 0.5 mm (0.02 in) M 14 x 1,25; 9.5 mm (0.37 in) long Height: Width: Depth: 445 mm (17.5 in) 480 mm (18.9 in) 280 mm (11.0 in) Blower to Mistblower conversion kit, vacuum attachment, hip belt, back rest padding Carburetor: Air filter: Fuel tank capacity: Fuel mix: All position diaphragm carburetor with integral fuel pump Paper filter element 1.5 l (3.2 US pt) See chapter "Fuel"
Instruction Manual
Page 28
...small off -road engines must warrant the emission control system on your failure to ensure the performance of sale, to meet the U.S. STIHL Incorporated recommends that you retain all receipts covering maintenance on your small off -road equipment engine owner, you are warranted for the ... free of time listed below provided there has been no cost to you can write to a STIHL service center as soon as the carburetor and the ignition system. STIHL Incorporated warrants to the ultimate purchaser and each subsequent purchaser that your small off -road equipment engine owner, you...
...small off -road engines must warrant the emission control system on your failure to ensure the performance of sale, to meet the U.S. STIHL Incorporated recommends that you retain all receipts covering maintenance on your small off -road equipment engine owner, you are warranted for the ... free of time listed below provided there has been no cost to you can write to a STIHL service center as soon as the carburetor and the ignition system. STIHL Incorporated warrants to the ultimate purchaser and each subsequent purchaser that your small off -road equipment engine owner, you...
Instruction Manual
Page 29
...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 (...- repair or replacement required because of misuse, neglect or lack of fuel and oil may be performed at an authorized STIHL servicing dealer. Emission test may require shorter maintenance intervals. Mechanical diagnostic work shall be free of charge to any of ...
...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 (...- repair or replacement required because of misuse, neglect or lack of fuel and oil may be performed at an authorized STIHL servicing dealer. Emission test may require shorter maintenance intervals. Mechanical diagnostic work shall be free of charge to any of ...