Zenoah G3000 User's Manual
Contents
1. Condition Gasoline Oil Up to 20 hours use 20 1 After 20 hours use 25 1 25 1 Mix Chart Gasoline liters 1 2 3 4 5 2 cycle oil ml 40 80 120 160 200 A WARNING Keep open flames away from the area where fuel is handled or stored Mix and store fuel only in an approved gasoline container Most engine troubles are caused directly or indirectly by the fuel used on the machine Take special care not to mix a motor oil for 4 cycle engines E Chain oil Use motor oil SAE 10W 30 all year round or SAE 30 40 in summer and SAE 20 in winter Do not use wasted or regenerated oil that can cause damage to the oil pump 7 Operation Choke knob OPEN qp CLOSED E FUELING THE UNIT OP1 1 Remove the fuel tank cap and pour fuel into the tank up to 80 of full capacity 2 Fasten the fuel cap securely and wipe up any fuel spillage around the unit 3 Remove the oil tank cap and pour chain oil into the tank Fasten the cap securely AWARNING 1 Select bare ground for fueling 2 Move at least 10 feet 3 meters away from the fueling point before starting the engine 3 Stop the engine before refueling the unit E STARTING ENGINE AWARNING Keep clear of the saw chain as it will start rotating upon starting of the engine Push the primer pump until fuel flows out in the clear tube OP2 2 Put the ignition switch to 1 position OP32. 3 While holding the throttle lever together with the throttle interlock push in the side button and release the throttle lever to hold it at the start position OP4 4 Pull out the choke knob to the closed position OP5 When restarting immediately after stopping the engine leave the choke knob at the open position 7 Operation OP6 5 While holding the saw unit securely on the ground pull the starter rope vigorously OP6 WARNING Do not start the engine while hanging the chain saw with a hand The saw chain may touch your body It s very dangerous 6 When engine has ignited first push in the choke knob and pull the rope again to start the engine 7 Allow the engine to warm up with the throttle lever pulled slightly HH CHECKING OIL SUPPLY After starting the engine run the chain at medium speed and see if chain oil is scattered off as shown in the figure OP7 The oil tank should become nearly empty by the time fuel in the tank is used up Be sure to refill the oil tank every time when refueling the saw E STOPPING ENGINE 1 Release the throttle lever and let the engine run at low speed for a moment 2 Put the ignition switch to the O position OP8 In case of emergency turn off the switch without idling the engine 7 Operation OP9 H needle L needle Idle adjusting screw E ADJUSTING CARBURETOR OP9 The carburetor has been adjust
3. control of the saw which could result in serious personal injury Do not rely exclusively on the safety devices built into your saw As a chain saw user you should take several steps to keep cutting jobs free from accident or injury 1 With a basic understanding of kickback you can reduce or eliminate the element of surprise Sudden surprise contributes to accidents 2 Keep a good grip on the saw with both hands the right hand on the rear handle and the left hand on the front handle when the engine is running Use a firm grip with thumbs and fingers encircling the chain saw handles A firm grip will help you reduce kickback and maintain control of the saw Don t let go 3 Make certain that the area in which you re cutting is free from obstructions Do not let the nose of the guide bar contact a log branch or any other obstruction which could be hit while you are operating the saw 4 Cut at high engine speeds 5 Do not overreach or cut above shoulder height 6 Follow manufacturers sharpening and maintenance instructions for saw chain 7 Only use replacement bars and chains specified by the manufacturer or the equivalent 5 Installing guide bar and saw chain SE1 LL MMU Socket wrench Sprocket Chain L op tensioner Guide bar nut SE2 Rotating direction SE3 Chain tensioner A standard saw unit package contains the items as shown SE1 Op
4. the bar rail is worn Such a bar needs to be corrected or replaced MA7 AIR FILTER A clogged air filter can reduce the engine performance Daily check the filter elements and tap off attached saw dust When cleaning use warm soapy water and dry completely before installing When the element is broken or shrunk replace with a new one MA8 9 Maintenance MA12 025 in 0 6 mm MA13 OILING PORT Dismount the guide bar and check the oiling port for blocking by sawdust MA9 GENERAL Inspect the entire unit for fuel leakage loose fastenings and damage to major parts especially handle joints and guide bar mounting When anything wrong be found make sure to have it repaired before next usage E MONTHLY MAINTENANCE FUEL FILTER When the engine runs short of fuel supply check the fuel filter for blockage MA10 OIL STRAINER Drain the oil tank and remove the oil strainer located near the spark plug Check the condition and clean if necessary MA11 SPARK PLUG Starting failure and mis firing are often caused by a fouled spark plug Periodically clean the spark plug and check that the spark gap is in the correct range MA12 For a replacement plug use Champion CJ 8Y or RCJ 8Y or NGK BPM7A DRIVE SPROCKET Periodically check the drive sprocket for wear and damage and replace when the teeth have worn over 1mm or when any damage has been observed MA13 9 Mainten
5. 2ENORIH 2631 93111 205 OWNER OPERATOR MANUAL G3000 A WARNING The engine exhaust from this product contains chemicals known to the State of California to cause cancer birth defects or other reproductive harm WARNING A Before using our products please read this manual carefully to understand the proper use of your unit APPLICABLE SERIAL NUMBERS 200101 and up Al SAFETY FIRST Instructions contained in warnings within this manual marked with a A 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 E WARNINGS IN THE MANUAL AWARNING This mark indicates instructions which must be followed in order to prevent accidents which could lead to serious bodily injury or death IMPORTANT This mark indicates instructions which must be followed or it leads to mechanical failure breakdown or damage This mark indicates hints or directions useful in the use of the product CONTENTS 1 Parts location men na aan ia denne 4 2 Specifications see esesesasaaan 4 3 Symbols on the machine 5 4 For safe operation LL 6 5 Installing guide bar and saw chain 8 6 Fuel and chain oil esen 9 Ta Operation nn adal a nn a 10 Bx SAWING ea A a naa adan 1
6. 3 9 Maintenance cceceeeeeeeeeeeee estates 16 10 Storage en A x estes 19 1 Parts location Guide Bar Saw Chain Front Guard Front Handle Rear Handle Chain Cover Fuel Tank Cap Oil Tank Cap Air Cleaner 2 Specifications E G3000 Power unit Dis placement naaa sites ven aaa aa a AA S jas ss 28 5cm Fuel naaa ea ian k sa dans a esa a i Mixture Gasoline 25 2 cycle oil 1 Fuel tank capacity ee ee ee er ee reen mere e sense aaa 0 220 Chaim Ol KAA a Era Sa a 2 Motor oil SAE 10W 30 Oil tank capacity a 0 132 Carb rator ecceri skio ss ass siais dees A j dase ij i A ea Diaphragm type Ignition system aaa aaa a aaa a aa aso Solid state Spark plug AE BE asis anas T E a a a SS Champion CJ 8Y Oil feeding SYS EM T Mechanical plunger pump Sprocket Pitch No Of teeth Pe a aaa aa aaa aaa 3 8in 9 38 mm 6T Dimensions LxXWXH s A 260x230x240mm Dry weight aa Ka bike a aa Pie ae asla e i ae aa aa aa kal s Sa io aa AA Aa 3 2kg Cutting attachment Guide bar Type L GIDE si i us aaa Sprocket nose 12in 30cm Saw chain Type Pitch Gauge Oregon 91SG 3 8 9 375 0 050 1 25 in mm Specifications are subject to change without notice 3 Symbols on the machine For safe operation and maintenance symbols are on the machine According to these indications p
7. ance 10 Storage HANDLE MOUNTING JOINTS Inspect the handle mounting joints and replace when any adhered part is peeled off or a crack is observed on the rubber part Also replace when the inside of the rear damper metal has worn remarkably 1 Empty the fuel tank and run the engine out of fuel 2 Empty the oil tank 3 Clean the entire unit 4 Store the unit in a dry place out of the reach of children ZENOAH KOMATSU ZENOAH CO Head Office 1 9 Minamidai Kawagoe city Saitama 350 1192 Japan Telephone 81 492 43 1117 Telecopier 81 492 43 7197 PRINTED IN JAPAN
8. ation to keep the cutters always in good condition It s time to reform the cutters when 1 Sawdust has become powder like 2 You need extra force to saw in 3 The cutaway tends to curve by itself 4 The unit vibrates abnormally when sawing 5 Fuel consumption has increased REFORMING CUTTER 1 Wear work gloves 2 Use 5 32 inch 4mm round file 3 Hold the guide bar and the saw chain firmly 4 Place the file on the cutter and push straight forward while keeping the file angles and the height as shown in the picture 5 Make sure that every cutter has the same length and the edge angles as shown in the picture 6 After every cutter has been set check the depth gauge and file it to the proper level as necessary Do not file off beyond the specified level or the cutting edge can be damaged very quickly 9 Maintenance MA5 MA6 Grease port Sprocket 1 2 X No gap Chain tilts MA8 Filter elements GUIDE BAR 1 Remove sawdust in the bar groove and the oiling port MA5 2 Grease the nose sprocket from the feeding port on the tip of the guide bar MA6 3 Periodically turn over the guide bar when mounting it to the unit in order to prevent partial wear 4 The bar rail should always be a square Check for wear of the bar rail Apply a ruler to the bar and the outside of a cutter If a gap is observed between them the rail is normal Otherwise
9. cing the engine with the chain seized in a cutaway can damage the clutch system When the saw chain is caught in the cut do not attempt to pull it out by force but use a wedge or a lever to open the cut E TO AVOID KICKBACK SA1 Hold the chain saw firmly with both hands Do not overrach Do not let the nose of the guide bar contact a log branch ground or any other obstruction Cut at high engine speeds Don t cut above shoulder height Follow manufacturers sharpening and maintenance instructions for the saw chain E FELLING A TREE SA2 AWARNING When you fell a tree be sure to warn your neighboring workers of the danger 1 Decide the felling direction considering the wind lean of the tree location of heavy branches ease of job after felling and other factors While clearing the area around the tree arrange a good foothold and retreat path Make a notch cut one third of the way into the tree on the felling side Make a felling cut from the opposite side of the notch and at a level slightly higher than the bottom of the notch 8 Sawing SA3 SA4 E LOGGING AND LIMBING AWARNING 1 Always ensure your foothold as well as stability of the tree 2 Be alert to the rolling over of a cut log 3 Read the instructions in For safe operation to avoid kickback of the saw Before starting work check the direction of bending force inside the log t
10. d bystanders should be a minimum of 10m away when you start or operate the chain saw Never start cutting until you have a clear work area secure footing and planned retreat path from the falling tree Always hold the chain saw firmly with both hands when the engine is running Use a firm grip with thumb and fingers encircling the chain saw handles Keep all parts of your body away from the saw chain when the engine is running 8 10 11 12 13 14 15 Before you start the engine make sure the saw chain is not contacting anything Always carry the chain saw with the engine stopped the guide bar and saw chain to the rear and the muffler away from your body Always inspect the chain saw before each use for worn loose or changed parts Never operate a chain saw that is damaged improperly adjusted or is not completely and securely assembled Be sure that the saw chain stops moving when the throttle control trigger is released All chain saw service other than the items listed in the Operators Manual should be performed by competent chain saw service personnel e g if improper tools are used to remove the flywheel or if an improper tool is used to hold the flywheel in order to remove the clutch structural damage to the flywheel could occur which could subsequently cause the flywheel to disintegrate Always shut off the engine before setting it down Use extreme caution
11. ed at the factory Should your unit need readjustment due to the changes in altitude or operating conditions please let your skillful dealer make the adjustment A wrong adjustment may cause damage to your unit If you have to make the adjustment yourself please carefully follow the procedure below Be sure to adjust the carburetor with the bar chain attached 1 Stop engine and screw in both H and L needles until they stop Never farce Then set them back the standard number of turns as shown below H needle 1 4 4 L needle 1 4 4 2 Start engine and allow it a few minutes warming up in low speed 3 Turn L needle slowly clockwise to find the position where idling speed is maximum set the needle back a guarter 1 4 turn counterclockwise L needle should be set in 1 4 turn either wise from the standard position 4 Turn idle adjusting screw T counterclockwise so that saw chain does not turn If idling speed is too slow turn the screw clockwise 5 Make a test cut and adjust the H needle for best cutting power not for maximum speed 8 Sawing SA2 Felling direction Notch cut 1 Felling cut Before proceeding to your job read For Safe Operation section It is recommended to first practice sawing easy logs This also helps you get accustomed to your unit It is not necessary to force the saw into the cut Apply only light pressure while running the engine at full throttle Ra
12. en the box and install the guide bar and the saw chain to the power unit as follows AWARNING The saw chain has very sharp edges Use thick protective gloves to avoid injury 1 Loosen a nut and remove the chain cover 2 Mount the guide bar and fit the saw chain around the bar and the drive sprocket Pay attention to the correct direction of the saw chain SE1 SE2 3 Fit the chain tensioner nut into the lower hole of the guide bar then install the chain cover and fasten the mounting nut to finger tightness SE1 When installing the chain cover be sure to fit the hook completely at the rear end of the cover SE3 4 While holding up the tip of the bar adjust the chain tension by turning the tensioner screw until the tie straps just touch the bottom side of the bar rail SE4 5 Keep holding the guide bar up tighten the mounting nut firmly with the attached socket wrench SE5 6 Rotate the saw chain by hand wearing a protective glove to see if it turns smoothly without noticeable gap between the tie straps and the guide bar A new chain will expand its length in the beginning of use Check and readjust the tension frequently as a loose chain can easily derail or cause rapid wear of itself and the guide bar 6 Fuel and chain oil J lt H Fuel Mix a regular grade gasoline leaded or unleaded alcohol free and a quality proven motor oil for air cooled 2 cycle engines Recommended mixing ratio
13. lease be careful not to take a mistake a The port to refuel the MIX GASOLINE Position fuel tank cap b The port to refuel the CHAIN OIL Position oil cap c The indication regarding the switch Flipping the engine switch to the O STOP direction the engine stops Position upper part of the unit d The indication regarding the choke Pulling out the choke knob the choke closes Position front of the chain cover e The position of H needle The position of L needle The position of idle adjusting screw Position Front of the chain cover 4 For safe operation 1 Never operate a chain saw when you are fatigued ill or upset or under the influence of medication that may make you drowsy or if you are under the influence of alcohol or drugs Use safety footwear snug fitting clothing and eye hearing and head protection devices Always use caution when handling fuel Wipe up all spills and then move the chain saw at least 3m from the fueling point before starting the engine 3a Eliminate all sources of sparks or flame ie smoking open flames or work that can cause sparks in the areas where fuel is mixed poured or stored 3b Do not smoke while handling fuel or while operating the chain saw Do not allow other persons to be near the chain saw when starting the engine or cutting a wood Keep bystanders and animals out of the work area Children pets an
14. o be cut Always finish cutting from the opposite side of bending direction to prevent the guide bar from being caught in the cutaway Cutting an unpillowed log Saw down halfway then roll the log over and cut from the opposite side SA3 Cutting a pillowed log In the area A in the picture right above saw up from the bottom one third and finish by sawing down from the top In the area B saw down from the top one third and finish by sawing up from the bottom SA4 Limbing a felled tree AWARNING Be alert to the spring back of a cut limb First check which way the limb is bent Then make a shallow cut into the compressed side to prevent the limb from being torn Cut through from the tensed side SA5 8 Sawing SA6 Pruning AWARNING 1 Do not use an unstable foothold or a stepladder 2 Do not overreach 3 Do not cut above shoulder height 4 Always use both hands to grip the saw Cut up from the bottom finish down from the top SA6 9 Maintenance MA1 MA2 Nago MA3 Cutter length Nr a 30 ess Sh angle Sa eal Side plate angle Top plate cutting angle MA4 Appropriate gauge checker Depth gauge standard 025 0 6mm t shoulder round WARNING Make sure to stop the engine before inspecting and or servicing the unit E DAILY MAINTENANCE SAW CHAIN It is one of the essential factors for smooth and safe oper
15. when cutting small size brush and saplings because slender material may catch the saw chain and be whipped toward you or pull you off balance When cutting a limb that is under tension be alert for spring back so that you will not be struck when the tension in the wood fibers is released Keep the handles dry clean and free of oil or fuel mixture A 4 For safe operation 16 17 18 Operate the chain saw only in well ventilated areas Never start or run the engine inside a closed room or building 19 When transporting your chain saw make sure the appropriate guide bar scabbard is in place Exhaust fumes contain dangerous carbon monoxide Do not operate a chain saw in a tree unless specially trained to do so Guard against kickback Kickback is the upward motion of the guide bar which occurs when the saw chain at the nose of the guide bar contacts an object Kickback can lead to dangerous loss of control of the chain saw KICKBACK SAFETY PRECAUTIONS FOR CHAIN SAW USERS WARNING Kickback may occur when the nose or tip of the guide bar touches an object or when the wood closes in and pinches the saw chain in the cut Tip contact in some cases may cause a lightning fast reverse reaction kicking the guide bar up and back towards the operator Pinching the saw chain along the top of the guide bar may push the guide bar rapidly back towards the operator Either of these reactions may cause you to lose
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