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STIHL SR 420
Instruction Manual
Related Manuals for Stihl SR 420
Summary of Contents for Stihl SR 420
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Page 1
STIHL SR 420 Instruction Manual… -
Page 3: Table Of Contents
English Contents Dear Customer, Guide to Using this Manual Safety Precautions and Working Thank you for choosing a quality engineered STIHL product. Techniques Assembling the Unit It has been built using modern Harness production techniques and comprehensive quality assurance. Fuel…
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Page 4: Guide To Using This Manual
This field may Minors should never be allowed to use interfere with some pacemakers. To this product. STIHL’s philosophy is to continually reduce health risks, STIHL recommends Keep bystanders, especially children, improve all of its products. For this that persons with pacemakers consult and animals away from the work area.
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Page 5
If you are spraying overhead, wear explicitly approved for this power tool by impermeable head covering. STIHL or are technically identical. If you have any questions in this respect, Avoid any clothing, consult a servicing dealer. Use only high… -
Page 6
Keep spray solution out of the reach – of children and animals. Do not spray in windy conditions. – Store the power tool empty and Unfavorable weather conditions may – clean. result in an incorrect concentration of the plant protection product. Overdosing SR 420… -
Page 7
Do not fuel a hot engine – fuel may spill and cause a fire. The setting lever must move easily – to STOP or 0 SR 420… -
Page 8
Take special care in slippery conditions damage to the power tool, never operate control handle – even if you are left- – damp, snow, ice, on slopes or uneven it with explosive or combustible handed. ground. materials. SR 420… -
Page 9
— After Finishing Work lated locations. The force with which the handles – are held (a tight grip restricts Close the valve lever. circulation). Always shut off the engine before taking the power tool off your back. SR 420… -
Page 10: Assembling The Unit
Maintenance and Repairs assembly. Use only a spark plug of the type approved by STIHL and make sure it is Service the machine regularly. Do not Mounting the Elbow in good condition – see «Specifications».
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Page 11
The metering unit (4) must point in the same direction as the control Put the machine on your back. handle. Loosen the clamp screw (1). Move the control handle (2) along the tube to the most comfortable position. Tighten down the clamp screw (1). SR 420… -
Page 12: Harness
Lift the tabs of the sliding adjusters. STIHL MotoMix Adjust the harness so that the backplate fits snugly and securely STIHL recommends the use of STIHL against your back. MotoMix. This ready-to-use fuel mix Attach strap hook to the backplate.
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Page 13
Use only high-quality two-stroke engine location protected from light and the sun. oil – preferably STIHL HP, HP Super or Fuel mix ages – only mix sufficient fuel HP Ultra, which are specially formulated for a few weeks work. -
Page 14: Fueling
Position the machine so that the filler cap is facing up. STIHL recommends you use the STIHL filler nozzle for fuel (special accessory). Filling up with fuel Take care not to spill fuel while fueling and do not overfill the tank.
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Page 15: Starting / Stopping The Engine
Move setting lever (2) to center position – starting throttle. The setting lever enables you to select and hold any throttle position between (lower stop) idle and full throttle (upper stop). Set the lever to the idle position before switching off the engine. SR 420…
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Page 16
Move setting lever to lower stop – NOTICE the engine settles down to idle Do not pull out the starter rope all the speed. way – it might otherwise break. Open throttle slightly – warm up the engine for a short period. SR 420… -
Page 17: Calculating Required Quantity Of Solution
1 hectare (ha). 0.1 % Concentration of active ingredient – Determining walking speed (mix ratio). Carry out a trial run with the machine fueled and the container filled with water. Operate the spray tube (swing it SR 420…
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Page 18: Metering Unit
= Walking speed metering knob – not the stop cock. = Discharge rate b = Working width A = Area Example: The values determined above and a working width of 4 meters require the following setting on the metering unit: SR 420…
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Page 19
Remove the baffle screen and pressure pump. Discharge rate without pressure pump, Fill the container with water up to 10 with ULV nozzle liter mark. Set the metering knob to position 6. Spray tube 0° to — 30° to the horizontal SR 420… -
Page 20: Filling The Container
Deflector Screen The gasket (1) in the cap must always be lubricated with grease. Fit the cap and tighten it down firmly. Diverts spray jet at an angle – for under- leaf treatment of low-growing crops. SR 420…
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Page 21: Cleaning The Air Filter
Install the main filter (3) and prefilter (4) in the filter cover. The high speed screw (H) is 1/4 turn open. Fit the cover on the filter base (5) and tighten it down firmly. The low speed screw (L) is 1/4 turn open. SR 420…
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Page 22: Spark Arresting Screen In Muffler
It is usually necessary to change the Clean the spark arresting screen if setting of the idle speed screw (LA) after necessary. every correction to the low speed If the spark arresting screen is screw (L). damaged or heavily carbonized, fit a new one. SR 420…
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Page 23: Spark Plug
Tighten spark plug with combination electrodes are badly eroded. Install wrench only suppressed spark plugs of the Press the spark plug boot firmly type approved by STIHL – see onto the spark plug «Specifications». Clean dirty spark plug. Check electrode gap (A) and Removing the Spark Plug readjust if necessary –…
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Page 24: Storing The Machine
Thoroughly clean the machine – pay special attention to the cylinder fins and air filter. Do not expose the container to direct sunlight for unnecessarily long periods. UV rays can make the container material brittle, which could result in leaks or breakage. SR 420…
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Page 25: Maintenance And Care
Clean Check Spark arresting screen in muffler Clean or replace All accessible screws and nuts (not adjust — Retighten ing screws) Visual inspection (condition, leaks) Container with hose Clean Strainer in container Clean or replace Metering unit Check SR 420…
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Page 26
(very dusty work area, etc.), shorten the specified intervals accordingly. Check Anti-vibration elements Have replaced by servicing dealer Check Air intake screen Clean Safety labels Replace not in all versions, market-specific STIHL recommends an authorized STIHL servicing dealer. SR 420… -
Page 27: Minimize Wear And Avoid Damage
English servicing dealer. STIHL dealers are Minimize Wear and Avoid Parts Subject to Wear and regularly given the opportunity to attend Damage Tear training courses and are supplied with the necessary technical information. Observing the instructions in this manual Parts Subject to Wear and Tear…
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Page 28: Main Parts
14 Air filter 15 Antivibration elements 16 Strap hook 17 Container cap 18 Container 19 Spark plug boot 20 Carburetor adjusting screws 21 Choke knob 22 Fuel filler cap 23 Starter grip 24 Fuel tank 25 Muffler Serial number SR 420…
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Page 29: Specifications
ISO 8662 Container capacity: 13 l Handle, Engine Quantity left in right container: 0.1 l SR 420: 2.3 m/s Mesh size of filler Single cylinder two-stroke engine strainer: 1 mm The K — factor in accordance with Displacement: 56.5 cc Discharge rate (with — Directive 2006/42/EC is 2.5 dB(A) for…
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Page 30: Maintenance And Repairs
Take the product, replacement parts which have been accessories and packaging to an conforms to the relevant requirements of approved by STIHL for this power tool or approved disposal site for environment- the Directives 2006/42/EC and are technically identical. Only use high- friendly recycling.
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Page 31
English Done at Waiblingen, 11.03.2016 ANDREAS STIHL AG & Co. KG Thomas Elsner Director Product Management and Services SR 420… -
Page 32
0458-372-0121-B englisch www.stihl.com *04583720121B* 0458-372-0121-B…
SR 420
pyccкий
13
Двигатель должен работать на
топливной смеси из бензина и
моторного масла.
ПРЕДУПРЕЖДЕНИЕ
Избегать непосредственного
контакта с топливом и вдыхания
топливных паров.
STIHL MotoMix
Компания STIHL рекомендует
применение смеси STIHL MotoMix.
Данная топливная смесь не содержит
бензол, тетраэтилсвинец, имеет
высокое октановое число и всегда
обеспечивает правильное
соотношение смеси.
Топливная смесь STIHL MotoMix для
максимального срока службы
двигателя STIHL смешана с
моторным маслом HP Ultra для
двухтактных двигателей.
Топливная смесь MotoMix
представлена не на всех рынках
сбыта.
Приготовление топливной смеси
УКАЗАНИЕ
Непригодные горюче-смазочные
материалы, или не соответствующий
инструкциям состав смеси, могут
привести к серьезным повреждениям
привода. Бензин или моторное масло
более низкого качества могут
повредить двигатель, уплотняющие
кольца, трубопроводы и топливный
бак.
Бензин
Применять только марочный бензин с
минимальным октановым число
90 ROZ – содержащий или не
содержащий тетраэтилсвинец.
Устройства с катализатором для
нейтрализации отработавших газов
должны эксплуатироваться только на
бензине, не содержащем
тетраэтилсвинец.
УКАЗАНИЕ
После частых заправок
этилированным бензином может
значительно понизиться
эффективность катализатора.
Бензин с долей содержания этанола
выше 10% у двигателей с
карбюраторами, имеющими ручную
регулировку, может вызвать сбои в
работе и поэтому для данных
двигателей использоваться не
должен.
Двигатели с системой M-Tronic при
использовании бензина с долей
содержания этанола до 25% (E25)
обеспечивают полную мощность.
Моторное масло
Использовать для двухтактных
двигателей только качественное
масло – лучше всего моторные масла
STIHL HP, HP Super либо HP Ultra для
двухтактных двигателей, они
оптимально подходят к двигателям
STIHL. Самую высокую мощность и
срок службы двигателя обеспечивает
HP Ultra.
Данные моторные масла имеются не
на всех рынках.
У агрегатов с катализатором с целью
нейтрализации отработавших газов
для приготовления топливной смеси
должно использоваться только
моторное масло STIHL для
двухтактных двигателей 1:50.
Соотношение смеси
У моторного масла для двухтактных
двигателей STIHL 1:50; 1:50 = 1 часть
масла + 50 частей бензина
Примеры
N
В допущенную для топлива
канистру залить сначала
моторное масло, а затем бензин и
тщательно перемешать.
Хранение топливной смеси
Хранить только в допущенных для
топлива резервуарах в безопасном,
сухом и прохладном месте, защищать
от света и солнца.
Топливо
Количество
бензина
Масло STIHL для двух-
тактных
двигателей 1:50
Литры
Литры (мл)
1
0,02
(20)
5
0,10
(100)
10
0,20
(200)
15
0,30
(300)
20
0,40
(400)
25
0,50
(500)
- Manuals
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- Stihl Manuals
- Blower
- BR 420
- Instruction manual
-
Contents
-
Table of Contents
-
Bookmarks
Quick Links
{
STIHL BR 420
Instruction Manual
Related Manuals for Stihl BR 420
Summary of Contents for Stihl BR 420
-
Page 1
STIHL BR 420 Instruction Manual… -
Page 3: Table Of Contents
English Contents Dear Customer, Guide to Using this Manual Safety Precautions and Working Thank you for choosing a quality engineered STIHL product. Techniques Assembling the Unit It has been built using modern Fuel production techniques and comprehensive quality assurance. Fueling…
-
Page 4: Guide To Using This Manual
English Engineering improvements Guide to Using this Manual Safety Precautions and Working Techniques STIHL’s philosophy is to continually improve all of its products. For this Special safety precau — Pictograms reason we may modify the design, tions must be observed…
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Page 5
(e.g. with a hair vision, dexterity or judgment. explicitly approved for this power tool by net, cap, hard hat, etc.). STIHL or are technically identical. If you Wear sturdy shoes with non-slip soles. Intended Use have any questions in this respect, consult a servicing dealer. -
Page 6
A worn blower housing (cracks, nicks, chips) may result in an increased risk of injury from thrown foreign objects. If the blower housing is damaged, consult your dealer – STIHL recommends you contact a STIHL servicing dealer. BR 420… -
Page 7
(shouts, If dust levels are very high, always wear alarms, etc.) is restricted. a suitable respirator. Work calmly and carefully – in daylight conditions and only when visibility is good. Stay alert so as not to endanger others. BR 420… -
Page 8
The period of usage is prolonged by: accomplish the task. Hand protection (wearing warm – Check your blower before starting – gloves) work. Pay special attention to the muffler, air intakes and air filter. Work breaks – Special accessory BR 420… -
Page 9: Assembling The Unit
Use only a spark plug of the type approved by STIHL and make sure it is Maintenance and Repairs in good condition – see «Specifications». Inspect the ignition lead (insulation in Service the machine regularly. Do not good condition, secure connection).
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Page 10
(2) as far as it will go. Fit the nut (3) in the hexagon recess in the stub Insert the screw in the nut from the other side and tighten moderately – the elbow must still turn. BR 420… -
Page 11
Push the nozzle (8) onto the blower tube (1) as far as lug (9), position (a) (long) or position (b) (short), and rotate the nozzle in the direction of the arrow to it lock in position. Depending on model BR 420… -
Page 12
(short), and rotate the nozzle in the Turn the control handle (10) direction of the arrow to it lock in counterclockwise to the horizontal position. position. Tighten down the clamp screw (11). Depending on model BR 420… -
Page 13: Fuel
Pull the ends of the straps STIHL MotoMix downwards to tighten the harness. STIHL recommends the use of STIHL Loosening the Harness Straps MotoMix. This ready-to-use fuel mix contains no benzol or lead, has a high octane rating and ensures that you always use the right mix ratio.
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Page 14
Use only high-quality two-stroke engine location protected from light and the sun. oil – preferably STIHL HP, HP Super or Fuel mix ages – only mix sufficient fuel HP Ultra, which are specially formulated for a few weeks work. -
Page 15: Fueling
Position the machine so that the moved to the idle position. filler cap is facing up. STIHL recommends you use the STIHL filler nozzle for fuel (special accessory). Filling up with fuel Take care not to spill fuel while fueling and do not overfill the tank.
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Page 16: Starting / Stopping The Engine
Set the lever to the idle position before strong pull. switching off the engine. NOTICE Do not pull out the starter rope all the way – it might otherwise break. BR 420…
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Page 17
At very low outside temperatures Warm up the engine. As soon as the engine runs: Move setting lever to lower stop – the engine settles down to idle speed. Open throttle slightly – warm up the engine for a short period. BR 420… -
Page 18: Operating Instructions
Always replace a damaged prefilter. Clean loose dirt from the filter cover and filter chamber. Install the main filter (3) and prefilter (4) in the filter cover. Fit the cover on the filter base (5) and tighten it down firmly. BR 420…
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Page 19: Adjusting The Carburetor
The high speed screw (H) is 1/4 turn smoothly. open. It is usually necessary to change the The low speed screw (L) is 1/4 turn setting of the idle speed screw (LA) after open. every correction to the low speed screw (L). BR 420…
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Page 20: Catalytic Converter
Install The catayltic converter integrated in the only suppressed spark plugs of the muffler reduces the harmful emissions in type approved by STIHL – see the exhaust gas. «Specifications». Clean dirty spark plug. The correct carburetor setting (if…
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Page 21: Engine Running Behavior
Tighten spark plug with combination contamination (carbonization) by your wrench servicing dealer. Press the spark plug boot firmly STIHL recommends that you have onto the spark plug servicing and repair work carried out exclusively by an authorized STIHL servicing dealer.
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Page 22: Storing The Machine
Thoroughly clean the machine – pay special attention to the cylinder fins and air filter. Store the machine in a dry, high or locked location, – out of the reach of children and other unauthorized persons. BR 420…
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Page 23: Maintenance And Care
Carburetor Readjust idle Readjust electrode gap Spark plug Replace after every 100 operating hours Visual inspection Cooling inlet Clean All accessible screws and nuts (not adjust — Retighten ing screws) Check Anti-vibration elements Have replaced by servicing dealer BR 420…
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Page 24
(very dusty work area, etc.), shorten the specified intervals accordingly. Check Blower air intake screen Clean Throttle cable Adjust Safety labels Replace STIHL recommends an authorized STIHL servicing dealer. BR 420… -
Page 25: Minimize Wear And Avoid Damage
English servicing dealer. STIHL dealers are Minimize Wear and Avoid Parts Subject to Wear and regularly given the opportunity to attend Damage Tear training courses and are supplied with the necessary technical information. Observing the instructions in this manual Parts Subject to Wear and Tear…
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Page 26: Main Parts
12 Back padding 13 Air filter 14 Antivibration elements 15 Spark plug boot 16 Muffler (some versions with spark arresting screen) 17 Carburetor adjusting screws 18 Choke knob 19 Starter grip 20 Fuel filler cap 21 Fuel tank Serial number BR 420…
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Page 27: Specifications
Idle speed: 3,100 rpm www.stihl.com/vib/ Ignition System Sound pressure level L to DIN 11201 Electronic magneto ignition BR 420: 101 dB(A) Spark plug (resistor Bosch WSR 6 F, type): NGK BPMR 7 A Sound power level L to DIN 3744 Electrode gap: 0.5 mm…
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Page 28: Maintenance And Repairs
Take the product, replacement parts which have been accessories and packaging to an conforms to the relevant requirements of approved by STIHL for this power tool or approved disposal site for environment- the Directives 2006/42/EC, are technically identical. Only use high- friendly recycling.
-
Page 29
English ANDREAS STIHL AG & Co. KG Produktzulassung (Product Licensing) The year of manufacture and serial number are applied to the product. Done at Waiblingen, 11.03.2016 ANDREAS STIHL AG & Co. KG Thomas Elsner Director Product Management and Services BR 420… -
Page 30
English BR 420… -
Page 32
0458-373-0121-B englisch www.stihl.com *04583730121B* 0458-373-0121-B…