STIHL BR 350 Instruction Manual
English Guide to Using this Manual Safety Precautions and Working Techniques Assembling the Unit Adjusting the Throttle Cable Fitting the Harness Fuel Fueling Information Before You Start Starting / Stopping the Engine Operating Instructions Replacing the Air Filter Adjusting the Carburetor Spark Plug Engine Running Behavior Storing the Machine Inspections and Maintenance by Dealer Maintenance and Care Main Parts Specifications Maintenance and Repairs Disposal © ANDREAS STIHL AG & Co.
English Guide to Using this Manual Pictograms The meanings of the pictograms attached to the machine are explained in this manual. Depending on the model concerned, the following pictograms may be attached to your machine. Fuel tank; fuel mixture of gasoline and engine oil Operate manual fuel pump Engineering improvements STIHL's philosophy is to continually improve all of its products. For this reason we may modify the design, engineering and appearance of our products periodically.
English The use of noise emitting power tools may be restricted to certain times by national or local regulations. Do not operate your power tool if any of its components are damaged. Do not use a pressure washer to clean your power tool. The solid jet of water may damage parts of the power tool. Accessories and replacement parts Only use parts and accessories that are explicitly approved for this power tool by STIHL or are technically identical.
English Transporting in a vehicle: – Properly secure your power tool to prevent turnover, fuel spillage and damage. Fueling Gasoline is an extremely flammable fuel. Keep clear of naked flames. Do not spill any fuel – do not smoke. This reduces the risk of unit vibrations causing the fuel cap to loosen or come off and spill quantities of fuel. Before Starting Check that your power tool is properly assembled and in good condition – refer to appropriate chapters in the instruction manual.
English During Operation In the event of impending danger or in an emergency, switch off the engine immediately by moving the setting lever to STOP or 0. Be particularly alert and cautious when wearing hearing protection because your ability to hear warnings (shouts, alarms, etc.) is restricted. To reduce the risk of fire, do not smoke while operating or standing near your power tool. Note that combustible fuel vapor may escape from the fuel system.
English 0009BA001 KN Using the Blower The machine is carried as a backpack. Hold and control the blower tube with your right hand on the control handle. Walk slowly forwards as you work – observe the nozzle outlet at all times – do not walk backwards – risk of stumbling. Always shut off the engine before taking the machine off your back. Working Technique Vibrations To minimize blowing time, use a rake and broom to loosen dirt particles before you start blowing.
English Vibration behavior is influenced by the condition of the AV elements – check the AV elements at regular intervals. Only use high-quality replacement parts in order to avoid the risk of accidents and damage to the machine. If you have any questions in this respect, consult a servicing dealer. Shut off the engine before rectifying problems. Assembling the Unit The combination wrench and screwdriver are in the supplied accessory bag.
English Mounting the control handle Adjusting the Throttle Cable 0000-GXX-2039-A0 4 Push the pleated hose (4) over the slip ring (2) as far as stop. N Position the hose clamp (3) as shown in the illustration. 0009BA006 KN N 3 7 N Pull the ends of the clamp on the control handle (7) apart and push it over stub of pleated hose (4). N Attach throttle cable to retainer on the hose clamp (3).
English Fitting the Harness Fuel Your engine requires a mixture of gasoline and engine oil. Adjusting the Harness WARNING 373BA003 KN For health reasons, avoid direct skin contact with gasoline and avoid inhaling gasoline vapor. N Pull the ends of the straps downwards to tighten the harness. Loosening the Harness STIHL MotoMix STIHL recommends the use of STIHL MotoMix.
English Storing Fuel Filling up with fuel Fueling Store fuel only in approved safety-type fuel canisters in a dry, cool and safe location protected from light and the sun. Fuel mix ages – only mix sufficient fuel for a few weeks work. Do not store fuel mix for longer than 30 days. Exposure to light, the sun, low or high temperatures can quickly make the fuel mix unusable. Take care not to spill fuel while fueling and do not overfill the tank.
English Information Before You Start Fixed throttle Starting / Stopping the Engine 1 Starting the Engine With the engine stopped and before starting, check the air intakes between the backplate and powerhead for blockages and clean if necessary. 2 0009BA010 KN NOTICE Functions of setting lever The throttle trigger (2) can be locked in any position: The power tool is equipped with different types of control handle. To disengage the lock: N N Observe safety precautions.
English Cranking L LA N 0009BA016 KN 0009BA012 KN H As soon as the engine runs Press the fuel pump bulb at least eight times – even if the bulb is filled with fuel. N Push the choke knob in and turn it to c. N Place the unit securely on the ground and make sure that bystanders are well clear of the nozzle outlet. N Make sure you have a firm footing: Hold the unit with your left hand on the housing and put one foot against the base plate to prevent it slipping.
English If the engine does not start 0009BA023 KN 0009BA018 KN Stopping the Engine N Move the setting lever in the direction of † – the engine stops – the setting lever springs back to the on position. N Check that all settings are correct. N Check that there is fuel in the tank and refuel if necessary. N Check that the spark plug boot is properly connected. N Repeat the starting procedure.
English Replacing the Air Filter Adjusting the Carburetor 3 Dirty air filters reduce engine power, increase fuel consumption and make starting more difficult. 0002BA089 KN General Information If there is a noticeable loss of engine power 1 1 N Turn the choke knob to c . N Loosen the screws (1). N Remove the filter cover (2). 14 0002BA088 KN 2 N Remove the filter element (3). N Replace dirty or damaged filters. N Fit the new filter in the filter housing. N Fit the filter cover.
English Erratic idling behavior, engine stops even though setting of LA screw has been corrected, poor acceleration Idle setting is too lean L N 0002BA082 KN H N N Turn high speed screw (H) counterclockwise as far as stop (no more than 3/4 turn). Turn the low speed screw (L) clockwise as far as stop, then turn it back 3/4 turn. Adjusting Idle Speed N Carry out the standard setting. N Start and warm up the engine.
English Checking the Spark Plug N Use resistor type spark plugs with a properly tightened adapter nut. Installing the spark plug 000BA039 KN N A N Clean dirty spark plug. N Check electrode gap (A) and readjust if necessary – see "Specifications". N Rectify the problems which have caused fouling of the spark plug. Screw home the spark plug, fit the boot and press it down firmly.
English For periods of 3 months or longer N Drain and clean the fuel tank in a well ventilated area. N Dispose of fuel properly in accordance with local environmental requirements. N Run the engine until the carburetor is dry – this helps prevent the carburetor diaphragms sticking together. N Thoroughly clean the machine – pay special attention to the cylinder fins and air filter. N Store the machine in a dry, high or locked location, – out of the reach of children and other unauthorized persons.
English Complete machine Control handle Air filter Manual fuel pump (if fitted) Pickup body in fuel tank Fuel tank Carburetor Spark plug Cooling inlets Spark arresting screen in muffler Spacer Visual inspection (condition, leaks) X Clean X X Check operation X X Clean X Replace X Check X Have repaired by servicing dealer1) X Have checked by servicing dealer1) X Have replaced by servicing dealer1) X Clean X X Check idle adjustment X X Readjust idle X Readjust electrode gap
Blower air intake screen Check Adjust Safety labels Replace as required if damaged if problem every 12 months monthly weekly X Clean Throttle cable 1) X after each refueling stop before starting work The following intervals apply to normal operating conditions only. If your daily working time is longer or operating conditions are difficult (very dusty work area, etc.), shorten the specified intervals accordingly.
English Main Parts 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 # BR 350 11 1 2 3 4 5 12 10 6 9 8 13 7 20 14 15 16 17 21 Straight Nozzle1) Blower Tube Blower Tube Control Handle Throttle Trigger Setting Lever Pleated Hose Back Padding Backplate Harness Carrying Handle Intake Screen Filter Cover Carburetor Adjusting Screws Manual Fuel Pump Choke Knob Starter Grip Tank Cap Fuel Tank Spark Plug Boot Muffler with Spark Arresting Screen Spacer Serial Number # 18 0009BA037 KN 19
English Weight Specifications dry: Engine 10 kg REACH Single cylinder two-stroke engine Displacement: Bore: Stroke: Idle speed: Engine power to ISO 7293: Maintenance and Repairs 63.3 cc 48 mm 35 mm 3,000 rpm 2.1 kW (2.8 bhp) REACH is an EC regulation and stands for the Registration, Evaluation, Authorisation and Restriction of Chemical substances. For information on compliance with the REACH regulation (EC) No. 1907/2006 see www.stihl.com/reach.
English Disposal 000BA073 KN Observe all country-specific waste disposal rules and regulations. STIHL products must not be thrown in the garbage can. Take the product, accessories and packaging to an approved disposal site for environmentfriendly recycling. Contact your STIHL servicing dealer for the latest information on waste disposal.
English BR 350 23
English 24 BR 350
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