Zenoah G300AVS User's Manual
Contents
1. _ Check fuel for water or substandard mixture fuel for water or substandard _ Check fuel for water or substandard mixture Replace with proper fuel Check for engine flooding ct Remove and dry the spark plug f Then pull the starter again with no choke Check the spark gt Replace with a new plug a a Case 2 Lack of power Poor acceleration Rough idling Check fuel for water or substandard mixture Replace with proper fuel Check air filter and fuel filter for clogging gt Clean Check carburetor for inadequate adjustment Readjust speed needles See page 17 Case 3 Oil does not come out Check oil for substandard quality Replace Check oil passage and ports for clogging When your unit seems to need further service please consult our service shop in your area2. 1 Air filter Loosen the knob and remove the air cleaner cover Take off the filter elements and tap off attached sawdust When they are extremely dirty shake wash with gasoline Dry them comple tely before reinstalling 6 Guide bar 1 Air filter 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 2 Oiling port them the rail is normal Otherwise Dismount the guide bar and check the oiling port for clogging the bar rail is worn Such a bar needs to be corrected or replaced 1 Ruler 2 Gap 3 No gap 4 Chain tilts 1 Oiling port 7 Handle mounting joints Replace if adhered part is peeled or Make sure every cutter has the same crack is observed on the rubber part length as well as the edge angles as Replace if the inside of the rear damp shown on the right gt er metal has been beaten by the Be Sule bac stopper bolt and the clearance of the B Guide Bar Piemovs sanclust ln she Dal groave atid metal increased Reverse the bar occasionally to prevent the oiling port partial w ar 1 Groove 2 Oiling port 1 Cutter length 4 Spark plug Clean the electrodes with a wire brush and adjust the gap to 0 6mm A Replacement plug Champion CJ 8Y or RCJ 8Y NGK BPM7A 8 Troubleshooting Guide Case 1 Starting failure A Make sure the icing prevention system is not working
3. 1 Front handle 2 Released 3 Braking 4 Brake lever 1 L needle 2 H needie 3 Idle adjusting screw 1 Aiguille L 2 Aiguille H 3 Vis de r glage 1 L Nadel 2 H Nadel 3 Leerlauf Einstellschraube 1 Ago L 2 Ago H 3 Vite di regolazione della marcia al minimo 1 Aguja L 2 Aguja H 3 Tornillo de ajuste de ralent Stopping engine 1 Release the throttle lever to allow the engine idling for a few minutes 2 Put the switch to the O position 1 Switch 6 Sawing Before proceeding to your job read For Safe Operation sec tion it is recommended to practice the sawing of easy logs This also helps you get ac customed 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 Racing the engine with the chain seized in a cutway can damage the clutch If the cutting head should be caught in the cutway do not attempt to pull it out by force but use a wedge or a lever to open the way Felling a tree 1 Decide the felling direction con sidering the wind lean of the tree location of heavy branches ease of job after felling and other factors 2 While clearing the area around the tree arrange a good foothold and retreat path 3 Make a notch cut one third of the way into the tree on the felling side 4 Make a felling cut from the op posite side of the notch and at
4. 2 Specifications ao o oe G300AV 755 D T ae Mixture Gasoline 25 Two cyce oil Fuel tank capacity i cc lit Chain oil Motor oil SAE 10W 30 Oil tank capacity lit mm KOMATSU eoneelle E NOARH G300AV G300AVS CHAINSAWS Thank you very much for choosing our 8 quality product This manua explains how to make most use of your unit PI ty fully bef rti the engine stopped the guide bar Fase ead SOL ney ore starting and saw chain to the rear and the operation muffler away from your body Should you have any trouble with your 10 Never operate a chain saw that is unit please consult our local dealer damaged improperly adjusted or 2 is not completely and securely or us directly assembled Besure that the saw The contents of this manual are accu chain stops moving when the rate at the time of issue but may be throttle control trigger is released changed without notice 11 Always shut off the engine before Diaphragm type Spark plug Champion CJ 8Y Oil feeding system Mechanical pump 375 x 225 x 240 35 C N ee ee E Before you start the engine make sure the sew chain is not contact ing anything 9 Always carry the chain saw with Dimensions L x WxH 375 x 230 x 240 Dry weight kg Oregon 9186 Se ERO E G300AVS is equipped with Chain Brake 12 setting it down Use extreme caution when cutting small size brush and saplings be cause slender material may catch Conte
5. Never start cutting until you have a clear work area secure footing and a planned retreat path from the falling tree 6 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 7 Keep all parts of your body away from the saw chain when the engire is running 18 19 used to remove the flywheel or if an improper too is used to hold the fly wheel in order to remove the clutch structural damage to the flywheel could occur which could subsequently cause the fly wheel to disintegrate 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 contact an object Kickback can lead to dangerous loss of control of the chain saw When transporting you chain saw use the appropriate guide bar scabbard TO AVOID KICKBACK Hold the chain saw firmly with both hands Do not overrach Do not let the nose of the guide bar contact a jog branch ground or any other obstruction Cut at high engine speeds Don t cut above shoulder height Follow manufacturer s sharpening and maintenance instructions for the saw chain 2 5 Open the box and install the guide bar and the saw chain on the power unit as follows The saw chain has very sharp edges Use protective gloves for safety 1 Loosen a nut and remove the chain cover 2 Mount the gui
6. a level slightly higher than the bot tom of the notch N When you fell a tree be sure to warn your neighbouring workers of the danger 1 Notch cut 2 Felling cut 3 Felling direction Logging and Limbing Be Always ensure your foothold as well as stability of the tree Be alert to the rolling over of a cut log e Read the instructions in For Safe Operation to avoid kick back of the saw Case 1 Saw down to the halfway then roll the log over and cut from the opposite side Case 2 In area A saw up from the bottom one third of the way and finish by sawing down from the top In area B saw down from the top one third of the way and finish by sawing up from the bottom Case 3 In limbing First check to which side the limb is bent Then make the intial cut from the bent side and finish by sawing from the opposite side Nee alert to the springing back of a cut limb Pruning Cut up from the bottom finish down from the top Do not use an unstable foot hold Do not overreach Do not cut above shoulder height Always use both your hands to grip the saw 7 Maintenance 5 Sprocket After every cutter has been set check Check for extensive wear and replace thg ea ice as a IE opie it when the teeth are worn over 1 0 PCE MENSA So ON LOW AN Make sure the engine is stopped mm 1 0mm AN Be sure to round off the front edge A Daily check points
7. d oil that can cause damage to the oil pump 5 Operating Engine Starting engine 1 Feed fuel and chain oil into their respective tanks and tighten the caps securely 1 Fuel 2 Chain oil 2 Put the switch to the T position 1 Switch 3 While holding the throttle lever together with the throttle interlock push in the side latch and release the throttle lever to leave it at the starting position 1 Throttle interlock 2 Throttle lever 3 Latch 4 Pull out the choke knob to the closed position When restarting immediately after stopping the engine leave the choke knob at the open position 1 Choke knob 5 While holding the saw unit securely on the ground pull the starter rope vigorously 6 When firing occur push in the choke knob and pull the starter again to start the engine 7 Allow the engine to warm up with the throttle lever pulled slightly sure the saw chain is not con tacting anything 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 1 Chain oil The oil tank should become nearly empty by the time when fuel is used up Be sure to refill the oil tank everytime when refueling the Adjusting carburetor The carburetor has been adjusted at the factory Should your unit need readjustment due to the changes in altitude or operating conditions pl
8. de bar then fit the saw chain around the bar and sprocket N Pay attention to the correct direc tion of the saw chain 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 tight ness 1 Chain tensioner nut 2 Moving direction 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 5 Tighten the mounting nut securety with the bar tip held up Then check the chain for smooth rota tion and correct tension while moving it by hand If necessary readjustment 6 Tighten the tensioner screw Nit is very important to maintain the proper chain tension Rapid wear of the guide bar or the chain coming off easily can be caused by im proper tension Especially when using a new chain take good care of it since it should expand when first used 1 Loosen 2 Tighten Ta OIO 2d m VOOS D parma T O D O oO OKO oko oF oa Co ov a LD nn all 4 Fuel and Chain oil Fuel Mix gasoline and high quality 2 cycle oil in the ratio as shown below Gasoline Oil 25 1 Do not allow any fire in the area where fuel is handled Do not allow water or dust in fuel containers Chain oil Use motor oil SAE 10W 30 all year round or SAE 30 40 in summer and SAE 10W in winter A Do not use waste or regenerate
9. ease let your skillful dealer make the adjust ment A wrong adjustment may cause damage to your unit If you have to make the adjustment yourself please follow the procedure below carefully NBe 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 force Then set them back the standard number of turns as shown below H needle 1 1 4 1 8 L needle 1 1 2 1 8 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 quarter 1 4 turn counter clockwise 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 Chain brake G300AVS only The brake system is designed to stop the chain movement immediately when the front hand guard is pushed by the left hand e g in case the chainsaw is kicked back The brake is released by pulling the lever toward the front handle N Running the engine at high speed for a long time with the brake working will result in the failure of clutch When the brake has worked release the throttle lever immediate ly and release the brake
10. nts the saw chain and be whipped toward you or pull you off balance 1 For Safe Operation 13 When cutting a limb that is under 2 Specifications tension be alert for spring back so 3 Installing Guide bar and Saw ae you will da be sarge ela chain THe TENSION IN Ae MP UES IS 3 Installing Guide bar and o released S hai 4 Fuel and Chain oil 14 Keep the handles dry clean and aw cnain 5 Operating Engine free of oil or fuel mixture 6 Sawing 15 hai ae chain saw only in well A standard saw unit package contains ventilated areas 7 Maintenance 16 Do not operate a chain saw in a the items as shown below 8 Troubleshooting Guide tree unless specially trained to do SO Specifications are subject to change without notice 1 Power unit 17 Ail chain saw service other than 2 Bar Protector the items listed in the Operator s 3 Guide bar Manual should be performed by aaa a competent chain saw service per aw Chain 1 For Safe Operation sonnel e g if improper tools are 5 Socket Wrench 1 Never operate a chain saw when you are fatigued 2 Use safety footwear snug fitting clothing and eye hearing and head protection devices 3 Always use caution when handling fuel Move the chain saw at least ten 10 feet three 3 m from the fueling point before starting the engine 4 Do not allow other persons to be near the chain saw when starting or cutting keep bystanders and animals out of the work area 5
Download Pdf Manuals
Related Search