Zenoah BCZ3200DW User's Manual
Contents
1. left handed 2 Fit the line head assembly to the gear shaft Tighten it securely by hand 2 n C f 1 2 INSTALLING CUTTING ATTACHMENT GUARD FOR METAL BLADE e When using metal blade make sure to remove the guard skirt BLADE 1 Put the angled bar 1 into the side holes of the holder A 2 and the angle transmission 2 Remove the nut left handed and the holder B 3 from the gear shaft 3 Put the blade onto the holder A 2 Make the marked side face the holder 4 Put the holder B 3 onto the gear shaft making the recessed side face the blade 5 Fasten the blade by the nut and the cover A4 A a Ee aS SJ BALANCE UNIT 1 Put on strap and attach unit to strap 2 Slide clamp up or down until unit balances with head aparting from the ground when using it 7 Fuel E FUEL A WARNING Gasoline is very flammable Avoid smoking or bringing any flame or sparks near fuel Make sure to stop the engine and allow it cool before refueling the unit Select outdoor bare ground for fueling and move at least 3 m 10 ft away from the fueling point before starting the engine r 3 The Komatsu Zenoah engines are lubricated by oil specially formulated for air cooled 2 cycle gasoline engine use If Komatsu Zenoah oil is not available use an anti oxidant added quality oil expressly labeled for air cooled 2 cycle engine use JASO FC GRADE OIL or ISO EGC GRADE Do not use BIA or TCW 2 stro2. completely around the respective handles b Keep both feet spread apart in a comfortable stance and yet braced for the possibility that the unit could bounce Do not overreach Keep firm footing and balance CUTTING WORK LINE HEAD USAGE A WARNING 1 Always wear eye protection such as safety goggles Never lean over the rotating cutting head Rocks or other debris could be thrown into eyes and face and cause serious personal injury 2 Keep the cutting attachment guard in place at all times when the unit is operated TRIMMING GRASS AND WEEDS e Always remember that the TIP of the line does cut ting You will achieve better results by not crowding the line into the cutting area Allow the unit to trim at its Own pace 1 Hold the unit so the head is off the ground and is tilted about 20 degrees toward the sweep direction 2 You can avoid thrown debris by sweeping from your left to the right 8 Operation 3 Use a slow deliberate action to cut heavy growth The rate of cutting motion will depend on the material being cut Heavy growth will require slower action than will light growth 4 Never swing the unit so hard as you are in danger of losing your balance or control of the unit 5 Try to control the cutting motion with the hip rather than placing the full workload on the arm and hands 6 Take precautions to avoid wire grass and dead dry long stem weeds from wrapping around the head shaft Such material
3. en gine TRANSPORTATION 1 When hand carrying the product cover over the cutting part if nec essary lift uo the product and carry it paying attention to the blade 2 Never transport the product over rough roads over long distances by vehicle without removing all fuel from the fuel tank If doing so fuel might leak from the tank dur ing transport GB 7 BCZ3200DL BCZ3200DW 6 Set up INSTALLING HANDLE BCZ3200DL e Mount the handle to the shaft tube and clamp it at a location that is comfortable to you INSTALLING HANDLE BCZ3200DW 1 Loosen the 4bolts on the upper cap and insert the handles equally Retighten the bolts 2 Put the handle assembly into the bracket and put the Upper cap over it Tighten the cap securely 1 Remove the air cleaner cover 2 Connect the end of the throttle wire to the joint on the top of the carburetor CONNECTING SWITCH WIRES BCZ3200DL DW e Connect the switch wires between the engine and the main unit HIP PAD BCZ3200DW e Wrap the hip pad around the shaft tube as shown in the figure and fasten the hooks INSTALLING CUTTING ATTACHMENT GUARD FOR LINE HEAD e Attach the cutting attachment guard with the bolts pro vided while inserting the spacer between the guard and the pipe GB 8 INSTALLING LINE HEAD 1 While locking the gear shaft by inserting the angled bar 1 into the holder A 2 on the angle transmission loosen and remove the nut
4. one should enter If necessary yellow warning rope warning signs should be placed around the perimeter of the area When work is to be performed simulta neously by two or more persons care should also be taken to con stantly look around or otherwise check for the presence and loca tions of other people working so as to maintain a distance between each person sufficient to ensure safety 2 Check the condition of working area to avoid any accident by hit ting hidden obstacles such as stumps stones cans or broken glass IMPORTANT Remove any obstacle before begin ning work 3 Inspect the entire unit for loose fasteners and fuel leakage Make sure that the cutting attachment is properly installed and securely fastened 4 Be sure to attach the cutting at tachment guard securely in place or you may get serious in jury 5 Always use the shoulder strap Adjust the strap for comfort be fore starting the engine The strap should be adjusted so the left hand can comfortably hold the handlebar grip approximately waist high STARTING THE ENGINE 1 Keep bystanders and animals at least 15 m 50 ft away from the operating point If you are ap proached immediately stop the engine CH RA A P The product is equipped with a centrifugal clutch mechanism so the cutting attachment begins to rotate as soon as the engine is started by putting the throttle into the start position When start
5. 0DW 29 5 cm 97 o 86 2 dB A 111 dB A APPROVAL NUMBER OF CE EXHAUST EMISSION REGULATION DIRECTIVE 97 68 EC AMENDED 2002 88 EC e13 97 68SH2G3 2002 88 0098 00 A SAFETY FIRST Instructions contained in warnings within this manual marked with a amp symbol concern critical points which must be taken into consideration to prevent possible serious bodily injury and for this reason you are requested to read all such instructions carefully and follow them without fail WARNINGS IN THE MANUAL A WARNING This mark indicates instructions which must be followed in or der to prevent accidents which could lead to serious bodily in jury or death IMPORTANT This mark indicates instructions which must be followed or it leads to mechanical failure breakdown or damage EE NOTE This mark indicates hints or directions useful in the use of the product 1 Parts location Primer Air cleaner cover Choke lever Fuel tank starter knob Blade Angle transmission Cutting Attachment guard Loop handle Shaft tube Suspention point Throttle trigger stop switch Throttle cable Hip pad Handle Ss NS ee CN OomK Wp A oP ONOAGAHRAN NS Oe ee SCN BCZ3200DL BCZ3200DW Contents Ts Parts location scicssaxzsqorchontisarcuieninanssaseutnetesadeige 3 2s SIC CNC A NONG erinra SE eatecienenaca ness 4 3 Warning labels on the machine i 4 4 Symbols on the ma
6. 848JCG93A0 511 Zenon OWNER S MANUAL i BRUSHCUTTERS BCZ3200DL BCZ3200DW A WARNING A Before using our products please read this manual carefully to understand the proper use of your unit BCZ3200DL BCZ3200DW GB 2 EC DECLARATION OF CONFORMITY We KOMATSU ZENOAH CO 1 9 Minamidai Kawagoe Saitama Japan declare in sole responsibility that the following products referred to in this declaration conform with DIRECTIVE 89 336 EEC 98 37 EC EN ISO 11806 1997 2000 14 EC Internal contorol production The products referred to are DESIGNATION BRUSHCUTTERS MODELS BCZ3200DL BCZ3200DW SERIAL NUMBERS 41200101 and up The company named above will keep on file the following technical documentation for any inspection purpose e Operation instructions e Plans and Drawings e Description of measures designed to ensure conformity Other technical documentation Specification sheet Inspection standard Saitama Japan 1st September 2003 Isamu NAKAZATO General Manager Quality Assurance Department EXPLANATION OF SYMBOLS AND SAFETY WARNINGS WARNING RISK OF DAMAGING HEARING IN NORMAL CONDITIONS OF USE THIS MACHINE MAY INVOLVE A DAILY LEVEL OF PERSONAL EXPOSURE TO NOISE FOR THE OPERATOR EQUAL TO OR GREATER THAN 85 dB A SOUND LEVEL VIBRATION LEVEL ire EN27917 ISO 10884 ISO 7916 eee idling racing measured guaranteed BCZ3200DL 98 dB A 84 3 dB A 110 dB A BCZ320
7. HEIR APPEARANCE THERE ARE NO OTHER EXPRESS WARRANTIES IMPLIED WARRANTIES INCLUDING THOSE OF MER CHANTABILITY AND FITNESS FOR A PARTICULAR PUR POSE ARE LIMITED TO TWO 2 YEARS OF HOME USE ONE 1 YEAR FOR ANY OTHER USE FROM THE ORIGI NAL DELIVERY DATE LIABILITIES FOR INCIDENTAL OR CONSEQUENTIAL DAMAGE UNDER ANY AND ALL WARRANTIES ARE EXCLUDED IF YOU NEED TO OBTAIN MORE INFORMATION PLEASE CALL YOUR NEAREST SERVICE CENTER OR CHECK PLEASE KOMATSU ZENOAH WEB SITE htto Awww zenoah net
8. N THAT A WARRANTED PART IS DEFECTIVE IF THE DIAG NOSTIC WORK IS PERFORMED AT THE KOMATSU ZENOAH DEALER THE PURCHASER OR OWNER IS RESPONSIBLE FOR THE PERFORMANCE OF THE REQUIRED MAINTENANCE AS DEFINED BY THE MANUFACTURER IN THE OWNER OP ERATOR MANUAL ANY WARRANTED PART WHICH IS NOT SCHEDULED FOR REPLACEMENT AS REQUIRED MAINTENANCE OR WHICH IS SCHEDULED ONLY FOR REGULAR INSPECTION TO THE EFFECT OF REPAIR OR REPLACE AS NECES SARY SHALL BE WARRANTED FOR THE WARRANTY PE RIOD ANY WARRANTED PART WHICH IS SCHEDULED FOR REPLACEMENT AS REQUIRED MAINTENANCE SHALL BE WARRANTED FOR THE PERIOD OF TIME UP TO THE FIRST SCHEDULED REPLACEMENT POINT FOR THE PART ANY REPLACEMENT PART THAT IS EQUIVALENT IN PER FORMANCE AND DULABILITY MAY BE USED IN NON GB 16 WARRANTY MAINTENANCE OR REPAIRS AND SHALL NOT REDUCE THE WARRANTY OBLIGATION OF THE COMPANY THE COMPANY IS LIABLE FOR DAMAGES TO OTHER ENGINE COMPONENTS CAUSED BY THE FAILURE OF A WARRANTED PART STILL UNDER WARRANTY THE WARRANTY DOES NOT APPLY TO THOSE UNITS WHICH HAVE BEEN DAMAGED BY NEGLIGENCE OF IN STRUCTION LISTED IN THE OWNER OPERATOR MANUAL FOR PROPER USE AND MAINTENANCE OF THE UNITS ACCIDENT MISHANDLING ALTERATION ABUSE IM PROPER LUBRICATION USE OF ANY PARTS OR ACCES SORIES OTHER THAN THOSE SPECIFIED BY THE COM PANY OR OTHER CAUSES BEYOND THE COMPANY S CONTROL THIS WARRANTY DOES NOT COVER THOSE PARTS RE PLACED BY NORMAL WEAR OR HARMLESS CHANGES IN T
9. SES ACTION fuel tank incorrect fuel drain it and use correct fuel fuel filter fuel filter is clogged clean carburetor adjustment screw out of normal range adjust to normal range sparking no spark spark plug is fouled wet clean dry plug gap is incorrect correct GAP 0 6 0 7 mm spark plug disconnected retighten Case 2 Engine starts but does not keep running hard re starting CHECK PROBABLE CAUSES ACTION fuel tank incorrect fuel or staled fuel drain it and use correct fuel carburetor adjustment screw muffler cylinder exhaust port air cleaner cylinder fin fan cover LJ bi biiid out of normal range carbon is built up clogged with dust clogged with dust adjust to normal range wipe away wash clean When your unit seems to need further service please consult with our KOMATSU ZENOAH service shop in your area Limited warranty Should any failure occur on the product under normal oper ating conditions within the applicable warranty period the failed part will be replaced or repaired free of charge by a KOMATSU ZENOAH authorized dealer WARRANTY PERIOD 1 year 6 months if used profession ally and 30 days if used for rental purpose from the date of initial purchase THE PURCHASER SHALL BEAR COSTS OF TRANS PORTING THE UNIT TO AND FROM THE KOMATSU ZENOAH DEALER THE PURCHASER SHALL NOT BE CHARGED FOR DIAG NOSTIC LABOR WHICH LEADS TO THE DETERMINATIO
10. chine ccceeccceeeeeee ee es 4 5 For safe COST ANON inciccicisiutiaaduerinsatanniacantaeciuds 5 o OTUD en cs eat cogent enentaess 8 Pe FOO eerie E A E aia 9 8 Operation pn 10 Ds MaintenaNOE reselen icio ieis 13 10 Storage sasscoisnenentecumeadewdiataendnednchateassemnimbentedent 1D Wile DIG DO ENE E 15 12 Troubleshooting guide ccccccesseeeseeees 16 GB 3 BCZ3200DL BCZ3200DW 2 Specification BCZ3200DL BCZ3200DW Overall size L 3 W 3 H enne 1860 x 395 x 325 1860 x 610 x 520 mm PY WEG eana n e a a a A 5 7 6 1 kg Engine MOGET sik acetate e mcedusdaaw NAE E aaeeea eas Zenoah GZ30N Bipa N aaa neha mnie eocaaciniec ren ulcr nannies Dacoh aa anciaaceamumnan natn yes rete 29 5 cm LO arte te eee ee ee ese nee eA Ae eee Mixture Gasoline 50 Oil 1 when using ZENOAH genuine oil CAL QUT TON Gace sinisniouscneeeniacan cuthide heeacteeaass NA acduenienaeas Diaphragm type TOMTOM SY SION azr eea e aa Transistor controlled flywheel magneto PAKP e aa a E er er ete eae gerne ee ee eer NGK CMR7H Fueltank Cana V erer as ar cliente dul a dome seiddne wards 0 72 L LGN EE E E E E E A A E E A EE Recoil starter C erite EAE AAE Centrifugal type Reduccion tal Oneri a A E E E ae deca acted 1 462 Cutting head rotating direction ccceeeeeceees Counter clockwise Operator view Specifications are subject to change without notice 3 Warning labels on If warning label peels off or becomes soiled and
11. dge using round file e Check the cutting edges and reform with a flat file 3 Do not use water when using a grinder A 8 teeth blade O A X X e tis recommended that filing should be done by pro B 3 teeth blade R2 3mm fessionals Ea ne e Especially regarding filing the saw blade Leave it to the professionals ae 1 2mm x xX O R2 3mm R4 5mm H 3 4mm B GB 13 BCZ3200DL BCZ3200DW 9 Maintenance REFILLING TRIMMING LINE 1 For replacement line use a diameter of 2 4mm 095in The spool is capable for a line upto 6m 20ft on the 10cm 4 head Avoid using a larger line as it may cut down the trimming performance A WARNING 2 For safety reasons do not use metalreinforced line Pinch the slotted area on the both sides of the spool housing to unhook the bottom cap Take out the spool and pull off the old line Put one end of new line through the spool holes and pull it until the length is equal between each part of the line Wind up the line in the correct direction as indicated on the spool Hook each end of the line in the slot on the edge of the spool and then put the ends through the eyelets on the housing Make sure that the spring and the washers are in place While holding the spool against the housing pull the line ends to release them from the slot Line up the slot on the bottom cap with the hook on the housing press the cap against the housing u
12. e to fully understand the directions given in the manual to use the machine WORKING CONDITION 1 When using the product you should wear proper clothing and protective equipment 1 Helmet 2 Ear protectors 3 Protection goggles or face protector 4 Thick work gloves 5 Non slip sole work boots 2 And you should carry with you 1 Attached tools 2 Properly reserved fuel 3 Spare blade 4 Things to notify your working area rope warning signs 5 Whistle for collaboration or emergency 6 Hatchet or saw for removal of obstacles 3 Do not wear loose clothing jew elry short trousers sandals or go barefoot Do not wear anything which might be caught by a mov ing part of the unit Secure hair so it is above shoulder length WORKING CIRCUMSTANCE 1 Never start the engine inside a closed room or building Exhaust gases contain dangerous carbon monoxide 2 Never use the product a when the ground is slippery or when you can t maintain a steady posture BCZ3200DL BCZ3200DW b Atnight at times of heavy fog or at any other times when your field of vision might be limited and it would be diffi Cult to gain a clear view of the working area c During rain storms during lightning storms at times of strong or gale force winds or at any other times when weather conditions might make it unsafe to use the product WORKING PLAN is You should never use the p
13. en measured at the carburetor side end Readjust with the cable adjuster as required Ll LA 1 2 mm 04 in 1 1 Cable adjuster ADJUSTING IDLING SPEED Jae C PA pit LA Y k Oye BS ees 1 1 Idle speed adjuster 1 When the engine tends to stop frequently at idling mode turn the adjusting screw clockwise 2 When the cutting head keeps rotating after releasing the trigger turn the adjusting screw counter clockwise e Warm up the engine before adjusting the idling speed CUTTER APPLICATION CHART e Replace by a suitable recommended cutting attach ment according to the object to be cut e When replacing blade always be sure to use products which have been certified by KOMATSU ZENOAH A WARNING e When sharpening removing or reattaching the blade be sure to wear thick sturdy gloves and use only proper tools and equipment to prevent injury 13189 15102 A OD mituit 6298 E3390 6298 15243 BCZ3200DL BCZ3200DW METAL BLADE USAGE 1 Check the nut to fasten the blade and be sure the nut has no fault and no abrasion 2 Be sure that the blade and the holder have been fas tened according to instruction and the blade turns smoothly without abnormal noise A WARNING e The rotating parts fastened incorrectly may cause serious accident to the operator e Make sure that the blade is not bent warped cracked broken or damaged e If you find any error to the blade discard
14. hine and have it re paired immediately e Note that failing to do so may result in the engine catching on fire SPARK ARRESTER e The muffler is equipped with a spark arrester to pre vent red hot carbon from flying out of the exhaust out let Periodically inspect and clean as necessary with a wire brush 1 Spark arrester ANGLE TRANSMISSION e The reduction gears are lubricated by multipurpose lithium based grease in the angle transmission Sup ply new grease every 25 hours of use or more often depending on the job condition e Remove the bolt opposit to the grease nipple before installing new grease to arrange for old grease to exit INTAKE AIR COOLING VENT A WARNING e Never touch the cylinder muffler or spark plugs with your bare hands immediately after stopping the engine The engine can become very hot when in operation and doing so could result in severe burns e When checking the machine to make sure that it is okay before using it check the area around the muffler and remove any wood chips or leaves which have attached themselves to the brushcutter Failing to do so could cause the muf fler to become overheated and that in turn could cause the engine to catch on fire Always make sure that the muffler is clean and free of wood chips leaves and other waste before use e Check the intake air cooling vent and the area around the cylinder cooling fins after every 25 hours of use for blockage and remove an
15. impossible to read you should contact the the machine dealer from which you purchased the product to order new labels and affix them in the required location s Read owner s manual before operat ing this machine Never modify your machine We won t warrant the machine if you use the remodeled brushcutter or if you don t observe the proper usage written in the manual Wear head eye and ear protection 4 Symbols on Warning Attention the machine For safe operation and maintenance symbols are carved in relief on the machine According to these indications please be careful not to make a mistake 5m vit eih The port to refuel the MIX GASOLINE Position FUEL TANK CAP Keep all children bystanders and helpers 15 meters away from the machine NI The direction to close the choke Position AIR CLEANER COVER l t The direction to open the choke Position AIR CLEANER COVER GB 4 A 5 For safe operation Read this manual carefully until you completely understand and follow all safety and operating instructions Keep this manual handy so that you may refer to it later when ever any questions arise Also note if you have any questions which cannot be answered herein contact the dealer from whom you purchased the prod uct Always be sure to include this manual when selling lending or otherwise transferring the own ership of this product Never allow children or anyone unabl
16. ing GB 6 the engine place the product onto the ground in a flat clear area and hold it firmly in place so as to ensure that neither the cutting part nor the throttle come into contact with any obstacle when the engine starts A WARNING Never place the throttle into the high speed position when starting the engine 3 After starting the engine check to make sure that the cutting at tachment stops rotating when the throttle is moved fully back to its original position If it continues to rotate even after the throttle has been moved fully back turn off the engine and take the unit to your authorized KOMATSU ZENOAH servicing dealer for re pair USING THE PRODUCT IMPORTANT Cut only materials recommended by the manufacturer And use only for tasks explained in the manual 1 Grip the handles firmly with both hands using your whole hand Place your feet slightly apart slightly further apart than the width of your shoulders so that your weight is distributed evenly across both legs and always be sure to maintain a steady even posture while working Keep cutting attachment below waist level Maintain the speed of the engine at the level required to perform cutting work and never raise the speed of the engine above the level necessary _ If the unit starts to shake or vi brate turn off the engine and check the whole unit Do not use it until the trouble has been prop erly c
17. it and change new one which is certified by KOMATSU ZENOAH e By using the shoulder strap hang the unit on your right side Adjust the strap length so that the cutting head may become parallel to the ground A WARNING e Make sure to use shoulder strap and cut ting attachment guard If not it is vary dan gerous when you slip or lose your balance GB 11 BCZ3200DL BCZ3200DW 8 Operation CUTTING METHOD a Use the front left side cutting b Guide the blade from your right to left with it tilted slightly to your left c When mowing a wide area start working from your left end to avoid interference of cut grass d The blade may be seized by weeds if the engine speed is too low or the blade cuts too deep into weeds Adjust the engine speed and cutting depth according to the condition of object A WARNING e f the grass or other object gets caught in the blade or if the unit starts to shake or vibrate turn off the engine and check the whole unit Change the blade if it has been damaged e Turn off the engine and make sure the blade has com pletely stop before checking the blade and remov ing any object got caught in yin YAS AY i Al hl Ven aN 1 A WARNING CONTROLLING BLADE BOUNCE e Blade thrust can cause serious personal injury Care fully study this section It is important that you under stand what causes blade thrust how you can reduce the chance of blade thrust and how you can
18. ke water cooling type mixed oil E RECOMMENDED MIXING RATIO GASOLINE 50 OIL 1 swnen using ZENOAH genuine oil gt e Exhaust emission are controlled by the funda mental engine parameters and components eq carburation ignition timing and port timing with out addition of any major hardware or the introduc tion of an inert material during combustion These engines are certified to operate on unleaded gasoline e Make sure to use gasoline with a minimum octane number of 89RON USA Canada 87AL If you use a gasoline of a lower octane value than pre scribed there is a danger that the engine tempera ture may rise and an engine problem such as piston seizing may consequently occur Unleaded gasoline is recommended to reduce the contamination of the air for the sake of your health and the environment Poor quality gasolines or oils may damage sealing rings fuel lines or fuel tank of the engine E HOW TO MIX FUEL A WARNING e Pay attention to agitation 1 Measure out the quantities of gasoline and oil to be mixed 2 Put some of the gasoline into a clean approved fuel container 3 Pour in all of the oil and agitate well BCZ3200DL BCZ3200DW 4 Pour in the rest of gasoline and agitate again for at least one minute AS some oils may be difficult to agitate depending on oil ingredients sufficient agi tation is necessary for the engine to last long Be careful that if the agitation is insufficient there is an i
19. ncreased danger of early piston seizing due to ab normally lean mixture 5 Puta clear indication on the outside of the container to avoid mixing up with gasoline or other containers 6 Indicate the contents on outside of container for easy identification E FUELING THE UNIT 1 Untwist and remove the fuel cap Rest the cap ona dusiless place 2 Put fuel into the fuel tank to 80 of the full capacity 3 Fasten the fuel cap securely and wipe up any fuel spillage around the unit A WARNING 1 Select bare ground for fueling 2 Move at least 3 meters 10 feet away from the fuel ing point before starting the engine 3 Stop the engine before refueling the unit At that time be sure to sufficiently agitate the mixed gasoline in the container E FOR YOUR ENGINE LIFE AVOID 1 FUEL WITH NO OIL RAW GASOLINE It will cause severe damage to the internal engine parts very quickly 2 GASOHOL It can cause deterioration of rubber and or plastic parts and disruption of engine lubrication 3 OIL FOR 4 CYCLE ENGINE USE It can cause spark plug fouling exhaust port blocking or piston ring sticking 4 Mixed fuels which have been left unused for a pe riod of one month or more may clog the carburetor and result in the engine failing to operate properly 5 Inthe case of storing the product for a long period of time clean the fuel tank after rendering it empty Next activate the engine and empty the carburetor of the compo
20. ntil it clicks GB 14 A WARNING Make sure that the engine has stopped and is cool before performing any service to the machine Con tact with moving cutting head or hot muffler may result in a personal injury AIR FILTER The air filter if clogged will reduce the engine perfor mance Check and clean the filter element in warm soapy water as required Dry completely before in Stalling If the element is broken or shrunk replace with a new one 1 Air filter FUEL FILTER When the engine runs short of fuel supply check the fuel cap and the fuel filter for blockage 1 Fuel filter 1 SPARK PLUG Starting failure and misfiring are often caused by a fouled spark plug Clean the spark plug and check that the plug gap is in the correct range For a re placement plug use the correct type specified by KOMATSU ZENOAH 0 6 0 7 mm REPLACEMENT PLUG IS A NGK CMR7H IMPORTANT Note that using any spark plug other than those des ignated may result in the engine failing to operate prop erly or in the engine becoming overheated and dam aged To install the spark plug first turn the plug until it is finger tight then tighten it a quarter turn more with a socket wrench 9 8 11 8 N m TIGHTENING TORQUE 1 1 2 kgm 9 Maintenance MUFFLER A WARNING e Inspect periodically the muffler for loose fasteners any damage or corrosion If any sign of exhaust leak age is found stop using the mac
21. orrected Keep all parts of your body away from rotating cutting attachment and hot surfaces Never touch the muffler spark plug or other metallic parts of the engine while the engine Is in op A 5 For safe operation X H gt ZENOAH TD eration or immediately after shutting down the engine Doing so could re sult in serious burns or electrical shock e IF SOMEONE COMES 1 Guard against hazardous situa tions at all times Warn adults to keep pets and children away from the area Be careful if you are ap proached Injury may result from flying debris 2 If someone calls out or otherwise interrupts you while working al ways be sure to turn off the en gine before turning around MAINTENANCE 1 In order to maintain your product in proper working order perform the maintenance and checking operations described in the manual at regular intervals 2 Always be sure to turn off the en gine and disconnect the spark plug wire before performing any maintenance or checking proce dures A WARNING The metallic parts reach high tem peratures immediately after stop ping the engine 3 When replacing the cutting at tachment or any other part or when replacing the oil or any lu bricant always be sure to use only KOMATSU ZENOAH prod ucts or products which have been certified by KOMATSU ZENOAH for use with the KOMATSU ZENOAH product 4 In the event that any part must be replaced or any main
22. pe quickly until engine fires GB 10 A WARNING The product is equipped with a centrifugal clutch mechanism so the cutting attachment begins to ro tate as soon as the engine is started by putting the throttle trigger into the start position When starting the engine place the product onto the ground in a flat clear area and hold it firmly in place so as to en sure that neither the cutting part nor the throttle trig ger come into contact with any obstacle when the engine starts IMPORTANT e Avoid pulling the rope to its end or returning it by re leasing the knob Such actions can cause starter fail ures 7 Move the choke lever downward to open the choke And restart engine 8 Allow the engine to warm up for a several minutes before starting operation 1 When restarting the engine immediately after stop ping it leave the choke open 2 Overchoking can make the engine hard to start due to excess fuel When the engine failed to start after several attempts open the choke and repeat pulling the rope or remove the spark plug and dry it STOPPING ENGINE BCZ3200DL BCZ3200DW O gt 3 Stop switch 1 Release the throttle trigger and run the engine for half a minute 2 Shift the stop switch to the STOP position IMPORTANT e Except for an emergency avoid stopping the engine while pulling the throttle trigger 8 Operation ADJUSTING THROTTLE CABLE e The normal play is 1 or 2mm wh
23. remain in control of the unit if blade thrust does occur 1 What causes blade thrust e Blade thrust occur when the moving blade contacts an object that it cannot cut This contact causes the blade to stop for an instant and then suddenly move or bounce away from the object that was hit The operator can lose control of the unit and the blade Can cause serious personal injury to the operator or any person nearby if the blade contacts any part of the body 2 How you can reduce the chance of blade thrust a Recognize that blade thrust can happen By under standing and knowing about bounce you can help eliminate the element of surprise b Cut fibrous weeds and grass only Do not let the blade contact materials it cannot cut such as hard woody vines and brush or rocks fences metal etc GB 12 c Be extra prepared for bounce if you must cut where you cannot see the blade making contact such as in areas of dense growth d Keep the blade sharp A dull blade increase the chance of bounce e Avoid feeding the blade too rapidly The blade can bounce away from material being cut if the blade is fed faster than its cutting capability f Cut only from your right to your left g Keep your path of advance clear of material that has been cut and other debris 3 How you can maintain the best control a Keep a good firm grip on the unit with both hands A firm grip can help neutralize bounce Keep your right and left hands
24. rod uct when under the influence of alcohol when suffering from ex haustion or lack of sleep when suffering from drowsiness as a re sult of having taken cold medicine or at any other time when a pos sibility exists that your judgment might be impaired or that you might not be able to operate the product properly and in a safe manner When planning your work sched ule allow plenty of time to rest Limit the amount of time over which the product is to be used continuously to somewhere around 30 40 minutes per ses sion and take 10 20 minutes of rest between work sessions Also try to keep the total amount of work performed in a single day under 2 hours or less A WARNING i If you don t observe the working time or working manner See USING THE PRODUCT Re petitive Stress Injury RSI could occur If you feel discomfort redness and swelling of your fingers or any other part of your body see a doc tor before getting worse To avoid noise complaints in gen eral operate product between 8 a m and 5 p m on weekdays and 9 a m to 5 p m on weekends IMPORTANT Check and follow the local regu lations as to sound level and hours of operations for the prod uct GB 5 BCZ3200DL BCZ3200DW A 5 For safe operation BEFORE STARTING THE ENGINE 1 The area within a perimeter of 15 m 50 ft of the person using the product should be considered a hazardous area into which no
25. s can stall the head and cause the clutch to slip resulting in damage to the clutch system if repeated frequently 9 Maintenance system components idle speed adjuster see adjusting idling speed clean and readjust plug gap spark plug Procedure fuel leaks fuel spillage fuel tank air filter fuel filter inspect clean BCZ3200DL BCZ3200DW ADJUSTING THE LINE LENGTH e Your brush cutter is equipped with a semi auto type nylon line head that allows the operator to advance the line without stopping the engine When the line becomes short lightly tap the head on the ground while running the engine at full throttle e Each time the head is bumped the line advances about 25 mm For better effect tap the head on bear ground or hard soil Avoid bumping in thick tall grass as the engine may stall by overload Every Every Every efore 20 use hours hours hours a a Py fo fo replace if necessary replace carburetor if necessary GAP 0 6 0 7 mm 025 in replace if necessary cylinder fins intake air cooling vent muffler spark arrester cylinder exhaust port throttle trigger stop switch check operation cutting parts replace if something s wrong angle transmission screws nuts bolts tighten replace cutting attachment guard make sure to attach Y BLADE e Check the blade and the fasteners for looseness cracking or bending Point 1 Keep the end corner sharp 2 Round the root of the e
26. site fuel 6 Inthe case of scrapping the used mixed oil container scrap it only at an authorized repository site RE e As for details of quality assurance read the descrip tion in the section Limited Warranty carefully More over normal wear and change in product with no functional influence are not covered by the warranty Also be careful that if the usage in the instruction manual is not observed as to the mixed gasoline etc described therein it may not be covered by the warranty GB 9 BCZ3200DL BCZ3200DW 8 Operation STARTING ENGINE A WARNING The cutting head will start rotating upon the engine starts 1 Feed fuel into the fuel tank and tighten the cap se Curely 2 Rest the unit on a flat firm place Keep the cutting head off the ground and clear of surrounding objects as It will start rotating upon starting of the engine 3 Push the primer several times until overflown fuel flows out in the clear tube 1 choke lever 2 close 3 open BCZ3200DW 3 5 BCZ3200DL Set the stop switch to the I posi tion Set the throttle trigger to the start position 1 gt 2 3 Place the unit on a flat firm place Keep the cutting head clear of everything around it BCZ3200DW Set the stop switch to the RUN po sition Place the unit on a flat firm place Keep the cutting head clear of everything around it 6 While holding the unit firmly pull out the starter ro
27. tenance or repair work not described in this manual must be performed please contact a representative from the store nearest KOMATSU ZENOAH authorized servicing dealer for assistance 5 Do not use any accessory or at tachment other than those bear ing the KOMATSU ZENOAH mark and recommended for the unit 6 Under no circumstances should you ever take apart the product or alter it in any way Doing so might result in the product be BCZ3200DL BCZ3200DW coming damaged during opera tion or the product becoming un able to operate properly HANDLING FUEL 1 The engine of the KOMATSU ZENOAH product is designed to run on a mixed fuel which con tains highly flammable gasoline Never store cans of fuel or refill the tank of the unit in any place where there is a boiler stove wood fire electrical soarks weld ing sparks or any other source of heat or fire which might ignite the fuel Never smoke while operating the unit or refilling its fuel tank When refilling the tank always turn off the engine and allow it to cool down Take a careful look around to make sure that there are no sparks or open flames any where nearby before refueling 4 Wipe spilled fuel completely us ing a dry rag if any fuel spillage occurs during refueling 5 After refueling screw the fuel cap back tightly onto the fuel tank and then carry the unit to a spot 3 m or more away from where It was refueled before turning on the
28. y waste which has attached itself to the brushcutter Note IMPORTANT e lf waste gets stuck and causes blockage around the BCZ3200DL BCZ3200DW that it is necessary to remove the engine cover shown in in order to be able to view the upper part of the cylinder intake air cooling vent or between the cylinder fins it may cause the engine to overheat and that in turn may cause mechanical failure on the part of the brushcutter 1 Cylinder 2 Intake air cooling vent PROCEDURES TO BE PERFORMED AFTER EVERY 100 HOURS OF USE 1 Remove the muffler insert a screwdriver into the vent and wipe away any carbon buildup Wipe away any carbon buildup on the muffler exhaust vent and cylin der exhaust port at the same time Tighten all screws bolts and fittings Check to see if any oil or grease has worked its way in between the clutch lining and drum and if it has wipe it away using oil free lead free gasoline 10 Storage Aged fuel is one of major causes of engine starting fail ure Before storing the unit empty the fuel tank and run the engine until it uses all the fuel left in the fuel line and the carburetor Store the unit indoor taking necessary measures for rust prevention 11 Disposal When disposing your machine fuel or oil for the machine be sure to allow your local regulations GB 15 BCZ3200DL BCZ3200DW 12 Troubleshooting guide Case 1 Starting failure CHECK PROBABLE CAU
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