RedMax GZ3500T User's Manual
Contents
1. ZENOAH AMERICA INC p ax 1100 Laval Blvd Suite 110 Lawrenceville Georgia 30043 US 182. E OIL REQUIREMENTS e Use only RedMax Max Life Synthetic blend Pre mium Air Cooled two stroke engine oil or oil certified to ISO L EGD ISO CD1378 standard AND one that is JASO FD registered RedMax Air Cooled Max Life Synthetic blend Premium two stroke engine oil and ISO L EGD ISO CD1378 AND JASO ED oils are fully compatible with gasoline s containing 10 Etha nol RedMax Air Cooled Max Life Synthetic blend Premium two stroke engine oil and ISO L EGD ISO CD1378 AND JASO FD oils are Universal and should be mixed at 50 1 ratio for all 2 stroke air cooled engines sold in the past regardless of mixing ratios specified in those manuals If the oil is registered with JASO the JASO Logo with FD and registration number will be displayed on the container The highest JASO rating is FD which equals the ISO L EGD rating Lower ratings are FC FB and FA 001USZ001 PRODUCT MEETING JASO M345 COMPANY GUARANTEEING THIS FD PERFORMANCE ZENOAH AMERICA INC US 9 aa GZ3500T Engine problems due to inadequate lubrication caused by failure to use ISO L EGD certified and JASO FD registered oil such as MaxLife RedMax Synthetic blend Premium 2 stroke oil WILL VOID THE REDMAX TWO STROKE ENGINE WARRANTY Do not use NMMA National Marine Manufacturers Association BIA Boating Industry Association and TCW two cycle water cooled oils designed for MoPeds or Outboard water cooled Mar
3. LL 848 CE2 93A0 809 hema OWNER OPERATOR MANUAL GZ3500T A WARNING A WARNING The engine exhaust from this Before using our product contains chemicals known product please read this to the State of California to cause manual carefully to cancer birth defects or other understand the proper use reproductive harm of your unit APPLICABLE SERIAL NUMBERS 800001 and up l T GZ3500T 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 o Use the chain saw with two hands Warning Danger of kickback Read understand and follow all warnings Use appropriate protections
4. engine but ZENOAH AMERICA INC can not deny warranty solely for the lack of receipts or for your failure to ensure the performance of all scheduled maintenance As the small off road engine owner you should be aware however that ZENOAH AMERICA INC may deny you warranty coverage if your small off road engine or a part has failed due to abuse neglect improper maintenance or unapproved modification You are responsible for presenting your small off road engine to a ZENOAH AMERICA INC distribution center as soon as a problem exists The warranty repairs should be completed in a reasonable amount of time not to exceed 30 days If you have any questions regarding your warranty rights and responsibilities you should contact ZENOAH AMERICA INC at 770 381 5147 or you can write to ZENOAH AMERICA INC 1100 Laval Blvd Suite 110 Lawrenceville Georgia 30043 US 17 GZ3500T LIMITED WARRANTY EMISSION RELATED PARTS FOR TWO 2 YEARS FROM THE DATE OF ORIGINAL DELIVERY RedMax ZENOAH AMERICA INC THROUGH ANY RedMax DEALER WILL REPAIR OR REPLACE FREE OF CHARGE FOR THE ORIGINAL AND EACH SUBSEQUENT PURCHASER ANY PART OR PARTS FOUND TO BE DEFECTIVE IN MATERIAL AND OR WORKMANSHIP EMISSION RELATED PARTS ARE THE CARBURETOR ASSEMBLY COIL ASSEMBLY ROTOR SPARKPLUG AIR FILTER FUEL FILTER INTAKE MANIFOLD AND THE GASKETS ALL OTHER PARTS EXCEPT ABOVE PARTS FOR TWO 2 YEARS OF HOME USE ONE 1
5. oo gt A Bucking and Limbing e Always ensure your foothold Do not 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 A ti 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 Be alert to the springing back of a cut limb Pruning of Standing Tree Cut up from the bottom finish down from the top 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 US 13 GZ3500T 9 Maintenance Before cleaning the inspecting or repairing the unit make sure that engine has stopped and is cool Disconnec
6. Before adjusting the carburetor make sure that the pro vided air fuel filters are clean and fresh and the fuel prop erly mixed When adjusting take the following steps EF Be sure to adjust the carburetor with the bar chain at tached US 11 GZ3500T N oo A H and L needles are restricted within the number of turns 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 Releasing the Brake Pull the brake lever up and back toward the left hand handle until it clicks into place 8 Sawing ALE e Before proceeding to your job read the section For Safe Operation It is recommended to first practice sawing small logs This also helps you get accustomed to your unit The chain saw must only be us
7. GUARD AGAINST KICKBACK e This saw is equipped with a chain brake that will stop the 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 speed If the chain is slow to stop or does not stop re place the brake band and clutch drum before use e Itis extremely important that the chain brake be checked for proper operation before each use and that the chain be sharp in order to main 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 Felling direction Notch cut 1D 2 Felling cut a e st 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 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 When you fell a tree be sure to warn neighboring work ers of the danger
8. Make sure cutting tools are kept sharp so that they remain efficient 4 Reduce the amount of time you use a tool at one time by doing other jobs in between 5 Avoid gripping or forcing a tool or workpiece more than you have to 6 Store tools so that they do not have very cold handles when used Encourage good blood circulation by e keeping warm and dry when necessary wear gloves a hat waterproofs and use heating pads if available e give up or cut down on smoking because smoking reduces blood flow massage and exercise your fin gers to increase blood circulation DISPOSAL When disposing of your machine fuel or oil in the machine be sure to follow your local regulations 4 Symbols on the Machine A WARNING For safe operation and maintenance symbols are carved or placed on the ma chine According to these indications please be careful not to make any mistake tropel aga A oe The port to refuel MIX GASOLINE Position Recoil case in front of the fuel cap The port to fill chain oil Position Recoil case under the oil cap Setting the switch to the O position stops the engine 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 follows Position Upper right of the air cleaner cover The screw under the H stamp is The High speed fuel mixture
9. YEAR COMMERCIAL USE AND NINETY 90 DAYS FOR RENTAL USE FROM THE DATE OF ORIGINAL PURCHASE THE COMPANY THROUGH ANY RedMax DEALER WILL REPAIR OR REPLACE FREE OF CHARGE FOR THE ORIGINAL PURCHASER ANY PART OF PARTS FOUND TO BE DEFECTIVE IN MATERIAL AND OR WORKMANSHIP THIS IS THE EXCLUSIVE REMEDY THE PURCHASER SHALL BEAR COSTS OF TRANSPORTING THE UNIT TO AND FROM THE RedMax DEALER THE PURCHASER SHALL NOT BE CHARGED FOR DIAGNOSTIC LABOR WHICH LEADS TO THE DETERMINATION THAT A WARRANTED PART IS DEFECTIVE IF THE DIAGNOSTIC WORK IS PERFORMED AT THE RedMax DEALER THE PURCHASER OR OWNER IS RESPONSIBLE FOR THE PERFORMANCE OF THE REQUIRED MAINTENANCE 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 INSPECTION 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 REPLACEMENT POINT FOR THE PART ANY REPLACEMENT PART THAT IS EQUIVALENT IN PERFORMANCE AND DURABILITY MAY BE USED IN NON 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 TH
10. adjust ment screw The screw under the L stamp is The Slow speed fuel mixture adjust ment screw The screw at the left of the T stamp is the Idle speed adjustment screw Position Left side of the rear handle Shows the directions that the chain brake is released white arrow and brake is activated black arrow Position Front of the chain cover If you turn the rod with screwdriver follow the arrow to the position the chain oil flows more and if you turn to the position oil flow is less Standard width 90 Position Bottom of the power unit E EMISSION CONTROL An emission control label is located on the engine IMPORTANT EMISSIONS INFORMATION THIS ENGINE MEETS TO 2008 1 U S EPA AND 2008 1 CALIFORNIA EXH AND EVP EMISSION REGULATIONS FOR SI SORE s COMPLIANCE PERIOD CATEGORY A ENGINE FAMILY 8HQZS 0354BT 2 DISPL 35 cc EMISSION CONTROL SYSTEM EXH EM REFER TO OWNER S MANUAL FOR MAINTE NANCE SPECIFICATIONS AND ADJUSTMENTS MANUFACTURE D USE JASO FD OR ISO L EGD GRADE 50 1 OIL RedMax Husqvarna Zenoah Co Ltd 1 The year will be changed every year of manufacturing 2 The initial number will be changed every year of manufacturing GZ3500T US 7 GZ3500T 5 Installing Guide Bar and Saw Chain A standard saw unit package contains the items as illustrated Bar protector a Guide bar Saw chain Plug wrench F S w
11. contain dangerous carbon monoxide 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 EIS 1 guide bar 2 saw chain 3 guide bar securing nut E BEFORE USE 1 Keep the saw chain sharp and the anti vibration system well main tained A dull chain will increase cut ting time and pressing a dull chain through wood will increase the vibra tions transmitted to your hands A saw with loose components or with damaged or worn AV buffers will also tend to have higher vibration levels Before you start the engine make sure the saw chain is not contacting anything 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 E CUTTING i og 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 Always check the tree for dead branches which coul
12. should be emp tied When the chain saw is in storage make sure the appropriate guide bar scabbard is in place in order to pre vent accidental contact with the sharp chain Even a non moving chain can cause serious cuts to your self or persons you bump into with an exposed chain US 5 GZ3500T KICKBACK SAFETY PRECAUTIONS FOR CHAIN SAW USERS varna 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 kick ing the guide bar up and back to wards 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 con trol 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 kick back 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 fin gers encircling the chain saw handles A firm grip will help you re duce k
13. vent and the clean cylinder exhaust port at the same time 10 Maintenance of Saw Chain and Guide Bar E Saw Chain Awannnc_ 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 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 a round file of proper size for the chain Chain type 91VG File size 5 32 in 4 0 mm Place the file on the cutter and push straight forward Keep the file position as illustrated After each cutter has been filed check the depth gauge and file it to the proper level as illustrated 025 0 64 mm Depth gauge standard loo US 15 GZ3500T 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 Yeo Filing angle N m Nr ED Side plate angle sw EN 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 11 T
14. OSE UNITS WHICH HAVE BEEN DAMAGED BY NEGLIGENCE OF INSTRUCTION LISTED IN THE OWNER OPERATOR MANUAL FOR PROPER USE AND MAINTENANCE OF THE UNITS ACCIDENTAL MISHANDLING ALTERATION ABUSE IMPROPER LUBRICATION USE OF ANY PARTS OR ACCESSORIES OTHER THAN THOSE SPECIFIED BY THE COMPANY OR OTHER CAUSES BEYOND THE 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 MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE LIMITED TO TWO 2 YEARS FOR HOME USE ONE 1 YEAR FOR COMMERCIAL USE AND NINETY 90 DAYS FOR RENTAL USE FROM THE ORIGINAL DELIVERY DATE LIABILITIES FOR INCIDENTAL OR CONSEQUENTIAL DAMAGE UNDER ANY AND ALL WARRANTIES ARE EXCLUDED SOME STATES DO NOT ALLOW LIMITATION ON HOW LONG AN IMPLIED WARRANTY LASTS OR EXCLUSION OR LIMITATION OF INCIDENTAL OR CONSEQUENTIAL DAMAGES SO THE ABOVE LIMITATION OR EXCLUSION MAY NOT APPLY TO YOU THIS WARRANTY GIVES YOU SPECIFIC LEGAL RIGHTS AND YOU MAY ALSO HAVE OTHER RIGHTS WHICH VARY FROM STATE TO STATE IF YOU NEED TO OBTAIN INFORMATION ABOUT THE NEAREST SERVICE CENTER PLEASE CALL RedMax ZENOAH AMERICA INC AT 770 381 5147 IMPORTANT YOU WILL RECEIVE A WARRANTY REGISTRATION CARD AT TIME OF PURCHASE PLEASE FILL OUT THE CARD AND SEND IT TO RedMax ZENOAH AMERICA WITHIN SEVEN 7 DAYS BE SURE TO KEEP A COPY FOR YOUR RECORDS
15. cient agitation is neces sary Be careful that if the agitation is insufficient there is an increased danger of early piston seizure due to abnor mally lean mixture Place a clear indication on the outside of the container to US 10 avoid mixing up with gasoline or other containers that dont contain oil Indicate the contents on outside of container for easy iden tification E FUELING THE UNIT 1 2 3 Untwist and remove the fuel cap Rest the cap on a clean surface Put fuel into the fuel tank to 80 of the full capacity Fasten the fuel cap securely and wipe up any fuel spillage around the unit 1 Select flat and bare ground for fueling Move at least 10 feet 3 meters away from the fueling 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 2 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 sei zure 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 In the case of storing the product for a long perio
16. d fall during the felling operation Do not operate the chain saw in a tree unless specially trained to do so Never use a chain saw by holding it with one hand A chain saw is not safe if controlled with one hand you can cut yourself Always have a secure firm grip around the handles with both hands E TRANSPORT 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 When transporting your chain saw make sure the appropriate guide bar scabbard is in place GZ3500T E FUEL SAFETY Always use caution when handling fuel Wipe up all spills and then move the chain saw at least 10 ft 3 m from the fueling point before starting the engine Eliminate all 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 Keep the handles dry clean and free of oil or fuel mixture Always store fuelin an approved con tainer designed for that purpose E STORAGE 12 Always store the chain saw and fuel so that there is no risk of leakages or fumes coming into contact with sparks or naked flames from electri cal equipment electric motors re lays switches boilers and the like For longer periods of storage or for transport of the chain saw the fuel and chain oil tanks
17. d of time clean the fuel tank after rendering it empty Next aen the engine and run the carburetor dry residual uel In the case of scrapping the used mixed oil container scrap it only at an authorized depository site 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 type of oil or fuel to be used described therein it may not be covered by the warranty CHAIN OIL Use motor oil SAE 10W 30 all year round or SAE 30 40 in summer and SAE 20 in winter OG e Do not use wasted or regenerated oil that can cause dam age to the oil pump 7 Operating the Engine amm AO It is very dangerous to run a chainsaw with mounts broken or any missing 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 Throttle interlock Throttle lever 4 Turn the choke knob to the closed position l It Ss N ICS a el Choke Open with Choke closed throttle lever open F When restarting immediately after stopping hot en gine choke knob should be in the open pos
18. ed for cutting wood It is for bidden to cut other types of material Vibrations and kick back vary with different 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 US 12 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 overheating or clutch fail ure At machine inspection prior to each job check the operating condition of the brake following these steps 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 2 Release the throttle lever to allow the engine to idle for a few minutes Set the switch to the O STOP position Switch It is not necessary to force the saw into the cut Ap ply only light pressure while running the engine at full throttle 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 m
19. for foot leg and hand arm This saw is for trained tree service operators only AN Never touch hot surface Contents Parts OG sauna kisan me a ARA RA Ra A 3 SPRE a ca ica ja aa ua 3 FOr SATE ODEAtON ask Bassi na a EA 4 Symbols On the machine n Installing guide bar and saw chain FUCLANG Real pl0 ER ONOAR WN Ko z D D e D D oO Maintenance of saw chain and guide bar 11 Troubleshooting guide 12 DISPOSAL Assisi ha ia RA tae arcane od US 2 GZ3500T 1 Parts location Front guard Starter knob Air cleaner cover Choke knob Throttle interlock Right handle Throttle lever Engine switch Fuel tank Oil tank Left handle Saw chain Guide bar Priming bulb 2 Specifications E GZ3500T Power unit Displacement a 21 5 35 2 cu in cm Fuel a Mixture Gasoline 50 Two cycle oil 1 SN when using RedMax ZENOAH genuine oil Fuel tank capacity a 8 5 0 25 fl oz o Chain oil Sn Motor oil SAE 1 OW 30 Oil tank capacity Nn 5 70 0 17 fl oz o Carburetor Diaphragm type Walbro WT Ignition system SN Digital Spark plug TI NGK CMR7H Oil feeding system SN Mechanical pump Power TTT 1 45 1 0 000 kw rpm Max speed SN 12 500 rpm Idle speed NN 2 900 rpm Sprocket p Pitch No of teeth SN 3 8in 9 53mm FR 6T Dimensions L W H sterar nenna 11 9 297 x9 2 235 x9 0 230 in mm Dry weight Power un
20. ickback and maintain control of the saw 3 Make certain that the area in which 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 full throttle 5 Do not overreach or cut above shoul der height 6 If you have to cut branches or the like that are above shoulder height a working platform or scaffold is rec ommended 7 Follow the manufacturer s sharpening lt and maintenance instructions for the a saw chain _ 8 Only use replacement bars and chains specified by the manufacturer US 6 FOR PROTECTING YOUR BODY FROM VIBRATION If you continue to use high vibration tools these symptoms will probably get worse for example e The numbness in your hands could become per manent and you won t be able to feel things at all e You will have difficulty picking up small objects such as screws or nails e The white finger syndrome could occur more fre quently and affect more of your fingers Please observe the following in order to protect the health of your body 1 Always use the right tool for each job to do the job more quickly and expose you to less hand arm vi bration 2 Check tools before using them to make sure they have been properly maintained and repaired to avoid increased vibration caused by faults or general wear 3
21. ine Engines Do not use API American Petroleum Institute TC Two Cycle labeled oils The API TC test standard has been discontinued by API in 1995 and it no longer exists IMPORTANT E HOW TO MIX FUEL RECOMMENDED MIXING RATIO GASOLINE 50 OIL 1 when using RedMax Air Cooled Max Life Gasoline Oil mixture Storage Recommenda tions Store your gasoline or gasoline oil mixture in a cool dry area in a tightly sealed approved container to limit the entry of moisture and additional air oxygen Mois ture and air cause the development of varnish and gum making the fuel stale Stored gasoline and gaso line oil mixture ages and loses its octane rating and volatility Do not mix more gasoline oil than you in tend to use in 30 days and 60 days when fuel stabi lizer is added RedMax Air Cooled Max Life Syn thetic blend Premium two stroke engine oil Con tains fuel stabilizer and will automatically extend your gasoline oil mixture life up to 60 days 50 1 MIXING CHART GASOLINE gal GASOLINE liter erce mi ao fo eo 90 e Pay attention to agitation i 2 3 5 Measure out the quantities of gasoline and oil to be mixed Put some of the gasoline into a clean approved fuel container Pour in all of the oil and agitate well for 10seconds Pour in the rest of gasoline and agitate again for at least one minute As some oils may be difficult to agitate de pending on oil ingredients suffi
22. it only SN 7 3 3 3 lbs kg Cutting attachment Guide bar Type Size eteeteeeeeeeeeeseeeeneenereeneaneeeenenaneeeenenaernr Sprocket nose 12 30 14 35 in cm Saw chain Type Pitch Gauge vrrrvrtrrrrtrrrtttrtterttttertteees Oregon 91VG 3 8 9 53 0 050 1 27 in mm Specifications are subject to change without notice US 3 Eg GZ3500T 3 For safe operation US 4 This chainsaw has been especially designed for tree maintenance and should therefore only be used by trained operators when working up in the trees Under no circumstances may the design of the ma chine be modified without the permission of the manu facturer Always use genuine accessories Non autho rized modifications and or accessories can result in serious personal injury or the death of the operator or others A chain saw is a dangerous tool if used carelessly or incorrectly and can cause serious even fatal injuries It is very important that you read and understand the contents of this operator s manual E BASIC SAFETY RULES 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 vibration reducing gloves Most chain saw accidents happen when the chain touches the opera tor Perso
23. ition 5 While holding the saw unit securely on the ground pull the starter rope using short strokes vigorously Do not start the engine while the chain saw hangs in one hand The saw chain may touch your body This GZ3500T is very dangerous 6 When engine has started turn the choke knob to the closed position and then pull the starter again to run the engine 7 Allow the engine to warm up with the throttle lever pulled slightly MH CHECKING THE OIL SUPPLY Make sure the bar and the chain is in place 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 Chain oil 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 Rich Lean 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 range of the discharge is 90 Pay at tention not to turn any further as this may damage the adjuster of the oil pump m ADJUSTING THE CARBURETOR Idle adjusting screw H needle L needle The carburetor on your unit has been factory adjusted but may require fine tuning due to a change in operat ing conditions
24. move carbon from exhaust port using a piece of wood or plastic Make sure no carbon falls inside of the engine 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 2 Removing the muffler Remove the screws and nuts attaching the muffler and re move the muffler Muffler GZ3500T 3 Removing the spark arrester Lift up the claw of the guide muffler to take it off in the up ward direction and remove the arrester Guide muffler Spark arrester 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 poor output and the trouble in starting After each 100 hours check and clean inside the muffler 8 Spark arrester The spark arrester is installed to prevent that burnt carbon is discharged from the muffler tail Regularly clean it with a wire brush or a similar tool to remove the carbon Be Never use a muffler if the spark arrester is missing or defec tive 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
25. nal protective equipment can not eliminate the risk of injury but it will reduce the degree of injury 3 Do not allow other person to be near the chain saw when starting or cut x ting Keep bystanders and animals LA 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 4 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 chain saw 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 run ning 7 10 Operate the chain saw only in wel All chain saw service other than the items listed in the Owner s 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 fly wheel to disintegrate Always shut off the engine before setting it down Never cut in high wind bad weather when visibility is poor or in very high or low temperatures ventilated areas Never start or run the engine inside a closed room or building and potentially explosive at mosphere Exhaust fumes
26. ng 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 10 ft 3 m away from the fueling point before starting the engine GASOLINE REQUIREMENTS All 2 Stroke RedMax Products are powered by Zenoah Professional Commercial Duty Hi Performance Hi RPM Air Cooled 2 Stroke engines RedMax Zenoah Hi Performance 2 stroke engines produce higher HP outputs as compared to standard Home Owner Duty or Light Commercial Duty produc tion engines offered by most manufacturers Exhaust emission are controlled by the fundamental engine parameters and components eq carburation ignition timing and port timing without addition of any major hardware or the introduction of an inert material during combustion The RedMax Zenoah Engines are registered and cer tified with CARB California Air Resources Board and EPA Environmental Protection Agency to operate on CLEAN Mid grade 89 octane or Premium unleaded lead free gasoline and RedMax Air Cooled Max Life Synthetic blend Premium two stroke engine oil mixed at 50 1 ratio Unleaded gasoline is recommended to reduce the contamination of the air for the sake of your health and the environment This Hi Performance Air Cooled 2 stroke Engine re quires the use of Minimum 89 Octane R4M Mid grade or Premium clean gasoline Gasoline may contain maximum of 10 Etha
27. nol grain alcohol or up to 15 MTBE Methyl tertiary butyl ether Gasoline containing Methanol Wood Alcohol is NOT approved IF octane rating of the Mid Grade gasoline in your area is lower than 89 Octane use Premium Unleaded Gasoline The majority of all 2 stroke engine manu facturers in the USA and Canada recommend using gasoline with 89 Octane or higher GZ3500T e Gasoline with an octane rating lower than 89 will greatly increase the engines operating temperature Low octane gasoline will cause detonation knock resulting in piston seizures and major internal engine components damage e Poor quality gasolines or oils may damage sealing rings fuel lines or fuel tank of the engine e Failures caused by operating engines on gasoline with octane rating lower than 89 are not covered by the RedMax Two Stroke engine warranty e Alternative Fuels Not Gasoline Alternative fuels such as E 15 15 ethanol E 20 20 ethanol E 85 85 ethanol are NOT clas sified as gasoline and are NOT approved for use in RedMax 2 stroke gasoline engines Use of al ternative fuels will cause major engine perfor mance and durability problems such as improper clutch engagements overheating vapor lock power loss lubrication deficiency deterioration of fuel lines gaskets and internal carburetor com ponents etc Alternative fuels cause high mois ture absorption into the fuel oil mixture leading to oil and fuel separation
28. onsult with an authorized service shop in your area GZ3500T CALIFORNIA EMISSION CONTROL WARRANTY STATEMENT YOUR WARRANTY RIGHTS AND OBLIGATIONS The California Air Resources Board and ZENOAH AMERICA INC are pleased to explain the emission control system warranty on your 2007 and later small off road engine In California new small off road engines must be designed built and equipped to meet the state s stringent anti smog standards ZENOAH AMERICA INC must warrant the emission control system on your small off road engine for the periods of time listed below provided there has been no abuse neglect or improper maintenance of your small off road engine Your emission control system may include parts such as the carburetor fuel tank and the ignition system Where a warrantable condition exists ZENOAH AMERICA INC will repair your small off road engine at no cost to you including diagnosis parts and labor Manufacturer s warranty coverage The 2007 and later small off road engines are warranted for two years If any emission related part on your engine is defective the part will be repaired or replaced by ZENOAH AMERICA INC Owner s warranty responsibilities As the small off road engine owner you are responsible for the performance of the required maintenance listed in your owner s manual ZENOAH AMERICA INC recommends that you retain all receipts covering maintenance on your small off road
29. ort Oil filter 2 Wash the filter with non flammable solvent When installing the filter do not pinch or fold the suction pipe 4 Spark plug 0 6 0 7mm 0 24 0 28inch Clean the electrodes with a wire brush and reset the gap to 0 6 mm 0 7mm 0 24 0 28inch as necessary 5 Sprocket 0 2inch 0 5mm 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 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 remove sawdust If you do not it will cause the overheating Keep clean area around the muffler This engine is air cooled Dirt 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 wannine Regularly inspect the muffler for loose fastening screws damage and rust If you find that exhaust gas leaking re move the muffler Re
30. roubleshooting Guide Case 1 Starting failure Make sure the icing prevention system is not work ing Check fuel for water or substandard mix ture Replace with proper fuel 4 Remove and dry the Check for engine spark plug flooding 4 Check spark ignition Then pull the starter again with no choke Replace with a new 12 Disposal When disposing your machine fuel or oil for the machine be sure to follow your local regulations US 16 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 gt r Chain tilts A WARNING This saw is equipped with one of the following low kickback bar chain combinations RedMax Part Number Bar Size Guide Bar Saw Chain 12 G3112 91VG45xX 14 G3114 91VG52Xx Case 2 Lack of power Poor acceleration Rough idling Check fuel for water or substandard mix m gt ture 4 Check air filter and fuel filter for clog ma ging Check carburetor for inadequate ad justment Replace with proper fuel Clean Readjust speed gt needles Case 3 Oil does not come out Check oil for sub standard quality 4 Check oil passage and ports for clog ging Replace Clean If the unit seems to need further service please c
31. t the spark plug to prevent accidental 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 soapy water Do not use gaso line Dry them completely before reinstalling knob IA air cleaner cover filter elements 2 Oiling port Remove the guide bar and check the oiling port for clogging Oiling port 3 Guide bar When the guide bar is removed 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 Oiling port 4 Others Check for fuel leakage and loose fasteners and damage to major parts especially handle joints and guide bar mounting If any defects are found make sure to have them repaired be fore 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 inside of the starter case 2 Fuel filter a Using a wire hook pull out the filter from the filter port Fuel filter b If dirty replace filter Replace with new one if clogged with dirt US 14 When installing the filter do not pinch or fold the suction pipe 3 Oil filter 1 With a wire hook take out the oil filter from the feeding p
32. y SS Screwdriver for carburetor adjustment Open the box and install the guide bar and the saw chain on the power unit as follows Awannine fi The saw chain has very sharp edges Use thick pro tective gloves for safety 1 Pull the hand guard towards the front handle to check that the chain brake is not engaged Loosen the nuts and remove the chain cover Mount the guide bar then fit the saw chain around the bar and sprocket Lax Chain tensioner nut Chain cover Pay attention to the correct direction of the saw chain Moving direction 4 Fit the chain tensioner nut into the lower hole of the guide bar then install the chain cover and fasten the mounting nut finger tight US 8 5 While holding up the tip of the bar adjust the chain tension by turning the tensioner screw until the tie straps of chain just touch the bottom side of the bar rail Tensioner screw Tighten the nuts securely with the bar tip held up 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 cover loose 7 Tighten the tensioner screw A new chain will stretch in 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 FUEL Gasoline is very flammable Avoid smoki
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