Stihl BR 320 Owner'S Manual Download | Manualshive

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Summary of Contents for BR 320

Page 1: ...STIHL BR 320 400 Instruction Manual Owner s Manual Assembling Safety Precautions Operating Instructions Maintenance...

Page 2: ...rmance and satisfaction from your STIHL blower it is important that you read and understand the maintenance and safety precautions before using your blower Contact your STIHL dealer or the STIHL distr...

Page 3: ...ess 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 c...

Page 4: ...lps protect the back of the user DFN SDGGLQJ Increases carrying comfort LU ILOWHU FRYHU Cover the air filter element 5XEEHU EXIIHUV Elements designed to reduce the transmission of vibrations created b...

Page 5: ...ed while operating your machine take a break Tiredness may result in loss of control Working with any blower can be strenuous If you have any condition that might be aggravated by strenuous work check...

Page 6: ...ine DUQLQJ Before starting work always inspect the rubber buffers which connect the engine to the pack frame If the buffers are torn or damaged they should be replaced by your STIHL dealer Failure of...

Page 7: ...ef period and your assistant should not stand in the area of the outlet nozzle or exhaust Otherwise the unit should be started and operated without assistance For specific starting instructions see th...

Page 8: ...city etc Control dust mist and fumes at the source where possible In this regard use good work practices and follow the recommendations of OSHA NIOSH and occupational and trade associa tions When the...

Page 9: ...y this procedure a number of times before using the machine in order to become accustomed with it Pay attention to the direction of the wind i e do not work against the wind To reduce the risk of stum...

Page 10: ...Remember that the risk of forest fires is greater in hot weather Use the spark arresting muffler supplied with the unit Never touch a hot muffler or burn will result DUQLQJ In order to reduce the risk...

Page 11: ...ecure throttle cable to the pleated hose with the retainer 0RXQWLQJ WKH EORZHU WXEH Push the blower tube into the pleated hose Push blower tube onto the end of tube and rotate it clockwise to engage t...

Page 12: ...back plate is held firmly and comfortably against your back The BR 320 400 blower is designed for single handed operation It is carried as a backpack and operated with the right hand on the control h...

Page 13: ...noise therefore use only one piece of power equipment at a time when possible Operate power blowers at the lowest possible throttle speed to do the job Check your equipment before operation especially...

Page 14: ...il into the canister first and then add gasoline Gaso Oil STIHL 50 1 or line equivalent branded TC oils US gal US fl oz 1 2 6 2 1 2 6 4 5 12 8 Dispose empty mixing oil canisters only at authorized dis...

Page 15: ...s position if the engine has ben running but is still cold Put the unit on the ground Check that bystanders are well clear of the general work area and the nozzle Make sure you have a firm footing Hol...

Page 16: ...hrottle slightly warm up engine for a short period I WKH HQJLQH GRHVQ W VWDUW If you did not turn the choke knob to H quickly enough after the engine began to fire the combustion chamber has flooded R...

Page 17: ...the filter element Fit the filter cover and tighten down firmly 0RWRUPDQDJHPHQW Exaust emissions are controlled by the design of the fundamental engine para meters and components e g carbu ration ign...

Page 18: ...g screw clockwise leaner at higher altitudes Turn the screws very slowly and carefully slight changes have a noticeable effect on the engine s running behavior RUUHFWLRQV WR KLJK VSHHG DGMXVWLQJ VFUHZ...

Page 19: ...gs of the approved range Rectify problems which have caused fouling of spark plug Incorrect carburetor setting too much oil in fuel mix dirty air filter unfavorable running conditions e g operating at...

Page 20: ...ve the housing Squeeze the ends of the clip together and lift the clip away Take the spark arresting screw out of the muffler Clean the spark arresting screen If screen is damaged or heavily carbonize...

Page 21: ...ase the cap out of the starter grip Remove remaining rope from the rotor and grip Tie a simple overhand knot in the end of the new starter rope 1113 195 8200 and then thread the rope through the top o...

Page 22: ...engages Refit the pawls in the rotor Fit the washer on the starter post Use screwdriver or suitable pliers to install spring clip on starter post and over the pawl pegs the spring clip must point in c...

Page 23: ...n of the arrow Hold the rotor steady straighten the twisted rope Release the rotor Let go of rope slowly so that it winds onto the rotor The starter grip must sit firmly in the rope guide bush If the...

Page 24: ...issipated by flow of cooling air This protects engine mounted components ignition carburetor from thermal overload IWHU ILQLVKLQJ ZRUN Storing for a short period Wait for engine to cool down To avoid...

Page 25: ...place felt and strainer x 12 13 Fuel tank Clean x 12 Carburetor Check idle adjustment x x 16 17 Idle setting x 16 17 Spark plug Readjust electrode gap x 18 Cylinder fins Clean x Spark arresting screen...

Page 26: ...9 bhp 56 5 cm3 3 45 cu in 46 mm 1 81 in 34 mm 1 34 in 2 5 kW 3 4 bhp Air flow rate with blower tube and nozzle 740 m3 h 435 cfm 650 m3 h 383 cfm 810 m3 h 476 cfm Air velocity with blower tube and nozz...

Page 27: ...ng JQLWLRQ 6 VWHP Type Electronic magneto ignition Spark plug Bosch WSR 6 F suppressed or NGK BPMR 7 A Heat range 200 Electrode gap 0 5 mm 0 02 in Spark plug thread M 14 x 1 25 9 5 mm 0 37 in long XHO...

Page 28: ...defective the part will be repaired or replaced by STIHL Incorporated free of charge 2ZQHU V DUUDQW 5HVSRQVLELOLWLHV As the small off road equipment engine owner you are responsible for the per forman...

Page 29: ...rer approved or equivalent replacement part may be used for any warranty mainten ance or repairs on emission related parts and must be provided without charge to the owner STIHL Incorporated is liable...

Page 30: ...WARNING The engine exhaust from this product contains chemicals known to the State of California to cause cancer birth defects or other reproductive harm 0458 353 3021 englisch english USA CARS EPA...

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