Zenoah GZ3500T User's Manual
Contents
1. 848CE093A0 807 zenoar 8 OWNER S MANUAL gt CHAIN SAW GZ3500T 4 A WARNING A Before using our products please read this manual carefully to understand the proper use of your unit GZ3500T A 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 WARNINGS IN THE MANUAL 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 SYMBOLS IN THE OPERATOR S MANUAL Read operator s instruction book before operating this machine Wear head eye and ear protection Use the chain saw with two hands Warning Danger of kickback Read understand and follow all warnings Never touch hot surface WARNING RISK OF DAMAGING HEARING A Wear head eye and ear protection Use appropriate protections for foot leg and hand arm This saw is for trained tree service operators only VIBRATION LEVEL ISO2. CNA GTR Tighten Tensioner screw 6 Tighten the nuts securely with the bar tip held up C gt VOSS Al haa 11 8 14 7 N m 120 150 kg cm Then check the chain for smooth rotation and proper tension while moving it by hand If necessary readjust with the Chain tensioner chain cover loose nut ye RO Chain cover Pay attention to the correct direction of the saw chain Moving direction 7 Tighten the tensioner screw A WARNING A new chain will expand its length in the beginning of use Check and readjust the tension frequently as a loose 4 Fit the chain tensioner nut into the lower hole of the chain can easily derail or cause rapid wear of itseif and guide bar then install the chain cover and fasten the guide bar the mounting nut to finger tightness GB 9 GZ3500T 4 Fuel and Chain Oil E FUEL A WARNING e 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 refuel ing the unit Select outdoor bare ground for fuel ing and move at least 3 m 10 ft away from the fueling point before starting the engine 4 The Zenoah engines are lubricated by oil specially formulated for air cooled 2 cycle gasoline engine use If 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 GR
3. 22867 aE EC a LEVEL SQ 22868 22868 MODEL bp ee handle Rear handle Front 2 aE e a 72 dB A APPROVAL NUMBER OF CE EXHAUST EMISSION REGULATION 2002 88 EC e 13 97 68SH2G3 2002 88 0432 00 GB 2 F DECLARATION OF CONFORMITY TO MACHINES DIRECTIVE Directive 98 37 EC 89 336 EEC and to the regulations governing transposition Internal control production MANUFACTURER Husqvarna Zenoah Co Ltd No 9 1 Chome MINAMIDAI KAWAGOE City SAITAMA JAPAN DECLARES THAT THE DESIGN OF THE MACHINE DESCRIBED BELOW Model GZ3500T Serial no 800001 and up Make Husqvarna Zenoah CONFORMS TO THE REQUIRMENTS OF THE MODIFIED MACHINES DIRECTIVE Directive 98 37 EC AND TO THE NATIONAL REGULATIONS GOVERNING ITS TRANSPOSITION ABROAD AND THAT IT HAS BEEN ISSUED WITH A CE CERTIFICATE NO U3 2892374 01 BY TUV Rheiniand Group TUV Rheinland InterCeret kft Product Certification H 1061 Budspest Pauley Eds u 52 HUNGARY Signed in Saitama Japan 1st July 2008 Isamu NAKAZATO General Manager Quality Assurance Department Contents oS oe Oe a k mk t m O For Safe Operation 20 0 cceccccecceeeeceseeeeeeeeeeeeeeeeeesaeeeaeeeneeeeeas 4 Symbols on the Machine ssniciits oicesnanixenneredencanvanssrsngemisegandsedede 8 Installing Guide Bar and Saw Chain s sessiesessieerrsirerrrrerrnrn 9 FUSS Caim O erne EE 10 Operating the Engine ssssnssssrrissrrress
4. COMPANY S CONTROL THIS WARRANTY DOES NOT COVER THOSE PARTS REPLACED BY NORMAL WEAR OR HARMLESS CHANGES IN THEIR APPEARANCE THERE ARE NO OTHER EXPRESS WARRANTIES IMPLIED WARRANTIES INCLUDING THOSE OF MER CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE LIMITED TO TWO 2 YEARS OF HOME USE ONE 1 YEAR FOR ANY OTHER USE FROM THE ORIGINAL 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 ZENOAH WEB SITE http www zenoah net
5. a firm grip with thumbs and fin gers encircling the chain saw handles A firm grip will help you re duce kickback and maintain control of the saw 3 Make certain that the area in which a you are cutting is free from obstruc tions 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 shoul der height 6 Follow the manufacturer s sharpening and maintenance instructions for the E O A vv vv X 7 Only use replacement bars and came chains specified by the manufacturer or the equivalent WORSE EFFECTS OF VIBRATION If you continue to use high vibration tools these symptoms will probably get worse for example the numbness in your hands could become perma nent and you won t be able to feel things at all you will have difficulty picking up small objects such as screws or nails the vibration white finger could happen more fre quently and affect more of your fingers FOR PROTECTING YOUR BODY FROM VIBRATION Please observe the following matter in order to pro tect the health of your body Always use the right tool for each job to do the job more quickly and expose you to less hand arm vi bration Check tools before using them to make sure they have been properly maintained and repaired to avoid increased vibration caused by faults or ge
6. mate rials Do not use the chain saw as a lever for lifting moving or splitting objects Do not lock it over fixed stands It is forbid den to hitch tools or applica tions to the PTO other than those specified by the manu facturer GB 12 A WARNING e When the brake operates release the throttle lever to slow down the engine speed Continuous opera tion with the brake engaged will generate heat from the clutch and may cause trouble e Atmachine inspection prior to each job check the operating condition of the brake following the steps 1 Start the engine and grasp the handle securely with both hands Pulling the throttle lever to maintain the chain opera tion push the brake lever left hand guard down toward the front using the back of your left hand When the brake operates and the chain is stopped release the throttle lever Release the brake Activate the brake E STOPPING THE ENGINE 1 Release the throttle lever to allow the engine to idle for a few minutes 2 Set the switch to the O STOP position Switch e tis not necessary to force the saw into the cut Ap ply only light pressure while running the engine at full throttle e 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 way E GUARD AGAINST KICKBACK e This saw is equipped with a chain brake that will stop the
7. of control of the chain saw When transporting your chain saw make sure the appropriate guide bar scabbard is in place Never touch the cover guide bar saw chain or nut with bare hands while the engine is in operation or immedi ately after shutting down the engine Doing so could result in serious burns because of high temperature 1 guide bar 2 saw chain 3 nut KICKBACK SAFETY PRECAUTIONS FOR CHAIN SAW USERS h warnina 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 control of the saw which could result in serious personal injury e 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 kick back you can reduce or eliminate the element of surprise Sudden surprise contributes to accidents i GZ3500T 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
8. stand on the log e Be alert to the rolling over of a cut log Especially when working on a slope stand on the uphill side of the log e Follow the instructions in For Safe Operation to avoid kickback of the saw Before starting work check the direction of bending force inside the log to be cut Always finish cutting from the opposite side of the bending direction to prevent the guide bar from being caught in the cut GZ3500T A log lying on the ground saw down halfway then roll the log over and cut from the opposite side A log hanging off the ground In area A saw up from the bottom one third and finish by sawing down from the top In area B saw down from the top one third and finish by sawing up from the bot tom Cutting the limbs of Fallen Tree First check to which side the limb is bent Then make the initial cut from the bent side and finish by sawing from the opposite side A WARNING Be alert to the springing back of a cut limb Pruning of Standing Tree Cut up from the bottom finish down from the top A WARNING e Do not use an unstable foothold or ladder e Do not overreach e Do not cut above shoulder height e Always use both your hands to hold the saw GB 13 GZ3500T 7 Maintenance Before cleaning the inspecting or repairing the unit make sure that engine has stopped and is cool Disconnect the spark plug to prevent accidental
9. the exhaust port to remove the carbon At the same time inspect also the spark arrestor 1 Removing the underside guard Confirm that the chain break is released and remove the chain cover Next remove the screws of the recoil case and the screws of the chain catcher Draw the underside guard out in the horizontal direction and remove it from the pin of the engine case in the downward direction Chain cover Underside guard Chain catcher 2 Removing the muffler Remove the screws and nuts attaching the muffler and re move the muffler Muffler 8 Maintenance of Saw Chain and Guide Bar E Saw Chain Awarnne QY It is very important for smooth and safe operation to always keep the cutters sharp The cutters need to be sharpened when e Sawdust becomes powder like e You need extra force to Saw in e The cut path does not go straight e Vibration increases e Fuel consumption increases Cutter setting standards A WARNING Be sure to wear safety gloves Before filing e Make sure the saw chain is held securely e Make sure the engine is stopped e Use around file of proper size for the chain Chain type 91VG File size 5 32 in 4 0 mm GZ3500T A WARNING Right after stopping the engine do not touch the muffler with one s bare hands It will cause to burn your hands If carbon clogs between the muffler it will cause the poor out out and the trouble in starting After each 100 ho
10. ADE Do not use BIA or TCW 2 stroke water cooling type mixed oil E RECOMMENDED MIXING RATIO GASOLINE 50 OIL 1 lt when using ZENOAH genuine oil gt 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 intro duction of an inert material during combustion These engines are certified to operate on unleaded gasoline 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 prescribed there is a danger that the engine tem perature 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 Putsome of the gasoline into a clean approved fuel container 3 Pour in all of the oil and agitate well GB 10 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 insufficie
11. G45E 14 848 CB2 4G30 293152210 91VG52E 16 848 CB2 6G10 293252210 91VG57E 9 Troubleshooting Guide Case 1 Starting failure A WARNING Make sure the icing prevention system is not work ing Check fuel for water Replace with proper or substandard mix fuel ture Check for engine flooding gt Remove and dry the spark plug Then pull the starter again with no choke Check spark ignition o with a new 10 Disposal When disposing your machine fuel or oil for the machine be sure to allow your local regulations GB 16 Case 2 Lack of power Poor acceleration Rough idling Check fuel for water or substandard mix m ture Replace with proper fuel Check air filter and fuel filter for clog m ging Clean Check carburetor for inadequate ad m justment Readjust speed needles Case 3 Oil does not come out Check oil for sub Replace standard quality gt SREE Check oil passage and ports for clog mp Clean ging If the unit seems to need further service please consult with an authorized service shop in your area 11 Specifications Power unit Displacement CM cescaiccccacsesacesvaceveinetesennnienonteiess J92 Fuel aiiis Mixture Gasoline 50 Two cycle oil 1 when using ZENOAH genuine oil Fuel tank Capacity CMS 0 0 ceccccceecceceeeeeeeees 245 CAAO ee Motor oil SAE 10W 30 Oil Tank capac
12. UNIT TO AND FROM THE ZENOAH DEALER THE PURCHASER SHALL NOT BE CHARGED FOR DI AGNOSTIC LABOR WHICH LEADS TO THE DETERMI NATION THAT A WARRANTED PART IS DEFECTIVE IF THE DIAGNOSTIC WORK IS PERFORMED AT THE ZENOAH DEALER THE PURCHASER OR OWNER IS RESPONSIBLE FOR THE PERFORMANCE OF THE REQUIRED MAINTE NANCE AS DEFINED BY THE MANUFACTURER IN THE OWNER OPERATOR MANUAL ANY WARRANTED PART WHICH IS NOT SCHEDULED FOR REPLACEMENT AS REQUIRED MAINTENANCE OR WHICH IS SCHEDULED ONLY FOR REGULAR IN SPECTION TO THE EFFECT OF REPAIR OR REPLACE AS NECESSARY SHALL BE WARRANTED FOR THE WARRANTY PERIOD ANY WARRANTED PART WHICH IS SCHEDULED FOR REPLACEMENT AS REQUIRED MAINTENANCE SHALL BE WARRANTED FOR THE PERIOD OF TIME UP TO THE FIRST SCHEDULED RE PLACEMENT POINT FOR THE PART ANY REPLACEMENT PART THAT IS EQUIVALENT IN PERFORMANCE AND DULABILITY MAY BE USED IN NON WARRANTY MAINTENANCE OR REPAIRS AND GB 18 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 NEGLI GENCE OF INSTRUCTION LISTED IN THE OWNER OPERATOR MANUAL FOR PROPER USE AND MAIN TENANCE OF THE UNITS ACCIDENT MISHANDLING ALTERATION ABUSE IMPROPER LUBRICATION USE OF ANY PARTS OR ACCESSORIES OTHER THAN THOSE SPECIFIED BY THE COMPANY OR OTHER CAUSES BEYOND THE
13. chain in the event of kickback if operating prop erly You must check the chain brake operation before each usage by run ning the saw at full the throttle for 2 seconds and pushing the front hand guard forward The chain should stop immediately with the engine at full soeed If the chain is slow to stop or does not stop re place the brake band and clutch drum before use e It is extremely important that the chain brake be checked for proper operation before each use and that gt the chain be sharp in order to main OVO QJ O_O tain the kickback safety level of this saw Removal of the safety devices inadequate maintenance or incor rect replacement of the bar or chain may increase the risk ot serious per sonal injury due to kickback E FELLING A TREE a Felling direction t Notch cut 19 o Q2 Felling cut 1 Decide the felling direction considering the wind lean of the tree location of heavy branches ease of completing the task 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 opposite side of the notch and at a level slightly higher than the bottom of the notch A WARNING When you fell a tree be sure to warn neighboring work ers of the danger Bucking and Limbing A WARNING e Always ensure your foothold Do not
14. e starter rope vigorously A WARNING Do not start the engine while the chain saw hangs in one hand The saw chain may touch your body This GZ3500T in very dangerous 6 When engine has ignited turn in the choke knob to the closed position and then pull the starter again to start the engine 7 Allow the engine to warm up with the throttle lever pulled slightly E CHECKING THE OIL SUPPLY A WARNING Make sure to set up the bar and the chain when checking the oil supply If not the rotating parts may be exposed It is very dangerous After starting the engine run the chain at medium speed and see if chain oil is scattered off as shown in the fig ure The chain oil flow can be changed by inserting a screwdriver in the hole on bottom of the clutch side Adjust according to your work conditions Chain oil flow adjusting shaft The oil tank should become nearly empty by the time fuel is used up Be sure to refill the oil tank every time when refueling the saw The adjustment width of the discharge is 90 Pay at tention not to turn any further as this may damage the adjuster of the oil pump E ADJUSTING THE CARBURETOR Idle adjusting screw H needle TNV L needle The carburetor on your unit has been factory adjusted but may require fine tuning due to a change in operat ing conditions Before adjusting the carburetor make sure that the pro vided air fuel filters are clean and fresh and
15. he chainsaw guide bar e hold and cut sections e attempt to catch falling sections Freeing a trapped saw If the saw should become trapped during cutting op erators should e switch off the saw and attach it securely to the tree inboard i e towards the truck side of the cut or toa separate tool line e pull the saw from the kerf whilst lifting the branch as necessary e if necessary use a handsaw or second chain saw to release the trapped saw by cutting a minimum of 30 cm away from the trapped saw Whether a handsaw or a chainsaw is used to free a stuck saw the release cuts should always be outboard to ward the tips of the branch in order to prevent the saw being taken with the section and further complicating the situation GB 7 a GZ3500T p 2 Symbols on the Machine A WARNING For safe operation and maintenance symbols are carved in relief on the machine According to these indications please be careful not to make any mistake j gt O EE a GB 8 The port to refuel MIX GASOLINE Position Recoil case in front of the fuel cap The port to top up chain oil Position Recoil case under the oil cap Setting the switch to the O position the engine stops immediately Position Right side of the rear handle starting the engine If you turn the choke knob to the point of the arrow you can set the starting mode as fo
16. ine A WARNING When returning the filter use a pinch not to be folded the suc tion pipe 4 Spark plug 0 6 0 7mm Clean the electrodes with a wire brush and reset the gap to 0 6 mm as necessary 5 Sprocket Check for cracks and for excessive wear interfering with the chain drive If the wear is considerable replace it with new one Never fit a new chain on a worn sprocket or a worn chain on a new sprocket 6 Way of the cooling air AN A WARNING e The engine metal parts can burn your skin Never touch the cylinder muffler or ignition plug etc during operation or right after stopping the engine e Before starting the engine check around the muffler and take off sawdust If you do not it will cause the overheating and a fire For preventing the trouble please keep clean around the muffler This engine is air cooled Dust clogging between the inlet port of the cooling air and cylinder fins will cause overheating of the engine Periodically check and clean the cylinder fins after re moving the air cleaner and the cylinder cover inlet port of the cooling air IMPORTANT When installing the cylinder cover make sure that switch wires and grommets are positioned correctly in place 7 Muffler A warnine Regularly inspect the muffler for loose fastening screws damage and rust If you find that exhaust gas leaked out remove the muffler and insert a screwdriver into
17. ition can be assisted by use of a temporary foot stirrup created from an endless sling Starting the saw in the tree When starting the saw in the tree the operator should a apply the chain brake before starting b hold saw on either the left or right of the body when starting 1 on the left side hold the saw with either the left hand on the front handle or the right hand on the rear handle and thrust the saw away from the body while holding the pull starter cord in the other hand 2 onthe right side hold the saw with the right hand on either handle and thrust the saw away from the body while holding the pull starter cord in the left hand The chain brake should always be engaged before low ering a running saw onto its strop Operators should always check the saw has sufficient fuel before undertaking critical cuts GZ3500T One hand use of the chainsaw Operators should not use tree service chainsaws one handed in place of unstable work positioning or in pref erence to a handsaw when cutting small diameter wood at the branch tips Tree service chainsaws should only be used one handed where e the operator cannot gain a work position enabling two handed use and e they need to support their working position with one hand and e the saw is being used at full stretch at right angles to and out of line with the operator s body N Operators should never e cut with the kickback zone at the tip of t
18. ity CHI iscisesdectsinescsdaanimenstdessieieesexens 170 CET DUNC IONS sitctcirantencelauricena uate taeniicainssieeried Diaphragm type BOI ee E E EE Digital opak DUQ ceecee ensia NGR CMR7H Oil feeding system cc eee Mechanical pump Max SHEE erpin 12 500 minm Idle speed 0 cccceccccseeceeueeeeeuneeseuneneenns 2 900 min Dimensions L x W x H mm 290 x 235 x 230 Dry weight Powar IIL OMI KO eerie ne E 3 5 PONOT aoea Rae 1 45 10 000 kw min GZ3500T Cutting head lt Sprocket bar gt SPOCK ooo cee cccceccceeeccce ee eeeseeeeeseeeeeeaeeeeeaeeeeaeeeeeaeees 6T Chain speed at Max POWET cccceccee eee 19 1 m s Guide bar TDO eee ees A sprocket nose Size ir CIM oniiir 12 30 14 35 16 40 saw chain We aise sacra cs seseane eee neonates ese Oregon 91VG PHC Als CA sectinncuscscaremaiostteantaedeticniataee 3 8 9 53 Gauge IN MM sissies 0 05 1 27 specifications are subject to change wihout notice GB 17 GZ3500T 12 Limited warranty Should any failure occur on the product under normal operating conditions within the applicable warranty pe riod the failed part will be replaced or repaired free of charge by a ZENOAH authorized dealer WARRANTY PERIOD 1 year 6 months if used profes sionally and 30 days if used for rental purpose from the date of initial purchase THE PURCHASER SHALL BEAR COSTS OF TRANS PORTING THE
19. l sources of sparks or flame i e smoking open flames or work that can cause sparks in the areas where fuel is mixed poured or stored 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 or cut ting Keep bystanders and animals out of the work area Children pets and bystanders should be a minimum of 10 m away when you start or oper ate the chain saw Never start cutting until you have a clear work area secure footing and a planned retreat path from the fall ing tree Always hold the chain saw firmly with both hands when the engine is run ning Use a firm grip with thumb and fingers encircling the chain saw handles F 14 D Q Keep all parts of your body away from the saw chain when the engine is run ning 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 dam aged parts Never operate a chain saw that is damaged improperly ad justed or is not completely and se curely 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 Owner s Manual should be
20. llows Position Upper right of the air cleaner cover The screw under the H stamp is The High speed adjustment screw The screw under the L stamp is The Slow speed adjustment screw ae The screw at the left of the T stamp is the Idle adjustment screw Position Left side of the rear handle Shows the directions that the chain brake Is released white arrow and activated black arrow Position Front of the chain cover If you turn the rod by screwdriver follow the arrow to the position the chain oil flow more and if you turn to the position less Regulation width 90 Position Bottom of the power unit P 3 Installing Guide Bar and Saw Chain GZ3500T A standard saw unit package contains the items as illustrated Bar protector lt lt Power unit Guide bar Saw chain NA a A e a T R Screwdriver for carburetor adjustment Open the box and install the guide bar and the saw 5 While holding up the tip of the bar adjust the chain chain on the power unit as follows tension by turning the tensioner screw until the tie A straps just touch the bottom side of the bar rail The saw chain has very sharp edges Use thick pro tective gloves for safety 1 Pull the guard towards the front handle to check that the chain brake is not engaged 2 Loosen the nuts and remove the chain cover 3 Mount the guide bar then fit the saw chain around the bar and sprocket
21. neral wear Make sure cutting tools are kept sharp so that they remain efficient Reduce the amount of time you use a tool in one go by doing other jobs in between Avoid gripping or forcing a tool or workpiece more than you have to store tools so that they do not have very cold handles when next used Encourage good blood circulation by keeping warm and dry when necessary wear gloves a hat waterproofs and use heating pads if available giving up or cutting down on smoking because smoking reduces blood flow and massaging and exercising your fingers DISPOSAL When disposing your machine fuel or oil for the ma chine be sure to allow your local regulations GB 5 GZ3500T WORKING WITH TREE SERVICE CHAIN SAWS FROM A ROPE AND HARNESS This chapter sets out working practices to reduce the risk of injury from tree service chainsaws when working at height from a rope and harness While it may form the basis of guidance and training literature it should not be regarded as a substitute for formal training General requirements working at height Operators of tree service chainsaws working at height from a rope and harness should never work alone A competent ground worker trained in appropriate emer gency procedures should assist them Operators of tree service chainsaws for this work should be trained in general safe climbing and work position ing techniques and shall properl
22. nt there is an increased danger of early piston seizing due to ab normally lean mixture Put a clear indication on the outside of the container to avoid mixing up with gasoline or other contain ers 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 dustless 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 Move at least 10 feet 3 meters away from the fuel ing point before starting the engine 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 GASOHOL It can cause deterioration of rubber and or plastic parts and disruption of engine lubrication OIL FOR 4 CYCLE ENGINE USE It can cause spark plug fouling exhaust port blocking or piston ring sticking Mixed fuels which have been left unused for a period of one month or more may clog the carbu retor and result in the engine failing to operate prop erly In the 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 comp
23. operations shows the primary cause as being inappropriate one handed use of the saw In the vast majority of accidents operators fail to adopt a secure work position witch allows them to hold both handles of the saw This results in an increased risk of injury due 10 e not having a firm grip on the saw if it kicks back e alack of control of the saw such that it is more liable to contact climbing lines and operators body par ticularly the left hand and arm e losing control from insecure work position resulting in contact with the saw unexpected movement dur ing operation of the saw Securing the work position for two handed use To allow the operator to hold the saw with both hands they should as general rule aim for secure work posi tion where they are operating the saw at e hip level when cutting horizontal sections e solar plexus level when cutting vertical sections Where the operator is working close into vertical stems with a low lateral forces on their work position then a good footing may be all that is needed to maintain a secure work position However as operators move away from the stem they will need to take steps to remove or counteract the increasing lateral forces by for example a re direct of the main line via a supplementary anchor point or using an adjustable strop direct from the har ness to a Supplementary anchor point Gaining a good footing at the working pos
24. osite fuel In the case of scrapping the used mixed oil con tainer scrap it only at an authorized repository site 6 EF As for details of quality assurance read the description in the section Limited Warranty carefully Moreover normal wear and change in product with no functional influence are not cov ered 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 E CHAIN OIL Use motor oil SAE 10W 30 all year round or SAE 30 40 in summer and SAE 20 in winter C E AE Do not use wasted or regenerated oil that can cause damage to the oil pump 5 Operating the Engine Awn O It is very dangerous to run a chainsaw that mounts broken parts or lacks any parts Before starting engine make sure that all the parts includ ing bar and chain are installed properly E STARTING THE ENGINE Normal start 1 Fill fuel and chain oil tanks respectively and tighten the caps securely Chain oil 2 Continuously push the priming bulb until fuel comes in the bulb Throttle lever 4 Turn the choke knob to the closed position k l aw N Choke Open with Choke closed throttle lever open When restarting immediately after stopping the en gine choke knob in the open position 5 While holding the saw unit securely on the ground pull th
25. 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 fly wheel to disintegrate Always shut off the engine before setting it down Use extreme caution when cutting small size brush and saplings be cause slender material may catch the saw chain and be whipped toward you or pull you off balance When cutting a limb that is under ten sion be alert for spring back so that you will not be struck when the ten sion in the wood fibers is released Never cut in high wind bad weather when visibility is poor or in very high or low temperatures Always check the tree for dead branches which could fall during the felling operation Keep the handles dry clean and free of oil or fuel mixture P 20 Operate the chain saw only in well ventilated areas Never start or run the engine inside a closed room or building and potentially explosive at mosphere Exhaust fumes contain dangerous carbon monoxide Do not operate the 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 dan gerous loss
26. rrresrrrresrrreesrrressrrresrre 11 INO TEE E EITE E E E E T T naeesiewtoees 12 Maintenant anena eaaa a 14 Maintenance of Saw Chain and Guide Bat aiccen 15 THOU De SHC OUMG GUIDE cosscrss atic tsnenteh anenadsnonet conse a 16 PSII i aeaa E A E E 16 SO OWNS eeina a r O E SEEE 17 Limited Warranty cece cccccceececee cece eeeeeeeeee seen esse setae eeean seen ees 18 GZ3500T GB 3 GZ3500T 1 For safe operation This chainsaw has been especially designed for tree maintenance and should therefore only be used by trained operators when working on trees 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 2 Use safety footwear snug fitting clothing and eye hearing and head protection devices Use the vibration proof glove 3 Keep the saw chain sharp and the saw including the AV system well maintained A dull chain will increase cutting time and pressing a dull chain through wood will increase the vibrations transmitted to your hands A saw with loose components or with damaged or worn AV buffers will also a N Aa tend to have higher vibration levels EXI w 4 Always use caution when handling ima fuel Wipe up all spills and then move a 3m the chain saw at least 3 m from the fueling point before starting the en gine 5 Eliminate al
27. starting E MAINTENANCE AFTER EACH USE 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 shakewash with gasoline Dry them completely before reinstalling knob air cleaner cover filter elements 2 Oiling port Dismount the guide bar and check the oiling port for clogging Oiling port 3 Guide bar When the guide bar is dismounted remove sawdust in the bar groove and the oiling port lt Type sprocket nose gt Grease the nose sprocket from the feeding port on the tip of the bar Grease port Sprocket 4 Others Check for fuel leakage and loose fastenings and damage to major parts especially handle joints and guide bar mounting If any defects are found make sure to have them repaired before operating the saw again E PERIODICAL SERVICE POINTS 1 Cylinder fins 1 Remove the starter case 2 Remove sawdust between the cylinder fins 3 Clean the valute area 2 Fuel filter a Using a wire hook take out the filter from the filler port 5 Qn a X Fuel filter b Wash the filter with gasoline Replace with new one if clogged with dirt completely GB 14 A WARNING When returning the filter use a pinch not to be folded the suc tion pipe 3 Oil filter 1 With a wire hook take out the oil filter from the feeding port Oil filter 2 Wash the filter with gasol
28. the fuel prop erly mixed When adjusting take the following steps EF Be sure to adjust the carburetor with the bar chain at tached GB 11 P GZ3500T 1 Hand L needles are restricted within the number of turn as shown below 1 4 1 4 H needle L needle Start the engine and allow it to warm up in low speed for a few minutes Turn the idle adjusting screw T counterclockwise so that the saw chain does not turn If the idling speed is too slow turn the screw clockwise Make a test cut and adjust the H needle for best cutting power not for maximum speed E CHAIN BRAKE The chain brake is a device which stops the chain in stantaneously If the chain saw recoils due to kickback Normally the brake is activated automatically by inertial force It can also be activated manually by pushing the brake lever left hand guard down toward the front When the brake operates a yellow cone pops up from the base of the brake lever 4 Releasing the Brake Pull the brake lever up toward the left hand handle until it clicks into place 6 Sawing i Before proceeding to your job read the section For Safe Operation It is recommended to first practice sawing easy logs This also helps you get accustomed to your unit e The chain saw must only be used for cutting wood It is for bidden to cut other types of material Vibrations and kick back vary with different
29. urs check and clean inside the muffler 9 Exhaust port Remove the muffler insert a screwdriver into the vent and wipe away any carbon buildup after every 100 hours of use Wipe away any carbon buildup on the muffler exhaust vent and the cylinder exhaust port at the same time a Place the file on the cutter and push straight forward Keep the file position as illustrated lt 91VG gt ee ee we After each cutter has been filed check the depth gauge and file it to the proper level as illustrated GB 15 GZ3500T A WARNING Be sure to round off the front edge to reduce the chance of kickback or tie strap breakage Make sure every cutter has the same length and edge angles as illustrated Cutter length NY ae 30 Filing angle 1 aa E Side plate angle rs 60 BD Top plate cutting angle E Guide Bar e Reverse the bar occasionally to prevent partial wear e The bar rail should always be square Check for wear of the bar rail Apply a ruler to the bar and the out side of a Cutter If a gap is observed between them the rail is normal Otherwise the bar rail is worn such a bar needs to be corrected or replaced Ruler a l i Chain tilts A WARNING This saw is equipped with one of the following low kickback bar chain combinations Zenoah Part Number Bar Size Guide Bar Saw Chain 12 848 CB1 2G20 360652211 91V
30. y equipped with har nesses ropes strops karabiners and other equipment for maintaining secure and safe working positions for both themselves and the saw Preparing to use the saw in the tree The chainsaw should checked fuelled started and warmed up by the ground worker before it is sent up to the operator in the tree The chainsaw should be fitted with a suitable strop for attaching to the operator s har ness a choke the strop around the attachment point on the rear of the saw A Hf Yo b provide suitable karabiners to allow indirect i e via the strop and direct attachment i e at the attach ment point on the saw of saw to the operators har ness c ensure the saw is securely attached when it is being sent up to the operator d ensure the saw it secured to the harness before it is disconnected from the means of ascent GB 6 The saw should only be attached to the recommended attachment points on the harness These may be at mid point front or rear or at the sides Where possible attaching the saw to centre rear mid point will keep it clear of climbing lines and support its weight centrally down the operator s spine When moving the saw from any attachment point to an other operators should ensure it is secured in the new position before releasing it from the previous attachment point Using the chainsaw in the tree An analysis of accidents with these saws during tree service
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