Service Manual - Golden Eagle Bike Engines
Contents
1. 1 1 1 O0 www tanaka usa com 4 custsvc tanaka ism com Tanaka PF 4000 Service Manual Diagnostic Tools PL ENGINE TACNOME TER PEPsioo Ohmmeter Digital Type l c Type Three Point Spark Tester Disassembly amp Assembly Tools Flywheel Remover Set 1 Handle 006 29326 002 2 Center Bolt 007 29326 000 3 Flywheel Puller 006 2932 002 4 Bolts 021 29355 00 Pin Remover Part No 009 29326 00 www tanaka usa com custsvc tanaka ism com Tanaka PF 4000 Service Manual General Inspection Once the engine is removed from the equipment this is an ideal time to inspect for damage as well as potential areas that may require repair Some of the diagnostic evaluation cannot be effectively performed after disassembly has begun Cover Shroud Fan Case Inspect covers shrouds and fan case to identify damage or cracks due to vibration ground contact etc All of the shroud components are designed for routing the flow of cooling air around the engine Any broken or missing components could lead to over heating of the engine during operation Order replacements as need Inspect the rubber spark plug boot for any damage that may cause a potential shock hazard Ensure that the fuel tank is not damaged in any way due to possible ground contact excessive vibration etc Any potential fuel leaks may be apparent during this initial inspection as the exposed fuel on the engine components may att2. Replace as necessary Ensure that the rope is not frayed and is tightly secured with knots to both the starter handle and the spool Inspect the starter body for any cracks or other damage Replace as needed Inspect the starter pawl cup and the spring loaded pawl located within the cup The pawl pivots on a spring and should have constant tension keeping it in place If the starter pawl spring is broken it will be necessary to replace the pawl cup The spring is retained within the starter body by the spool as well as clips formed in both ends of the spring Check to ensure that the spring is not broken and that the ends are properly installed in the starter body If the spring shows no signs of breakage it may not be necessary to remove it from the starter body When installing a new spring use caution as it is wound with significant force New replacement springs come pre wound and wrapped with tie wire Carefully grasp the spring with needle nosed pliers and hold it oriented in place prior to removal of the tie wire With the tie wire carefully removed it will be possible to insert the spring into the starter housing Ensure that the outside end of the spring A is properly positioned in the recoil starter housing and when the spool is placed over the top of the spring the tab on the inside of the spring B is properly located in the provision on the spool Prior to placing the spool over the rewind spring apply a small amount of
3. should be white in color and should be compressible between two fingers If it appears discolored or hard replace with a new one www tanaka usa com 8 custsvc tanaka ism com Tanaka PF 4000 Service Manual Engine Repair ENGINE SERVICE Troubleshooting should alert you to problem areas and these problem areas can be addressed as major sub components of the engine e Centrifugal Clutch Recoil Starter Electrical System Fuel System Components Exhaust System Crank Case It is important to properly identify which areas of the engine require service to avoid any unnecessary tear down of components not requiring service De 5 111 1 8111 CLUTCH SYSTEM CAUTION Never attempt to run the engine with the clutch exposed The clutch is designed to overcome the force of the spring thus allowing contact with the clutch drum ultimately providing drive to the PTO side of the equipment If the clutch is not contained within the clutch drum while the engine is running the clutch components may come detached from the engine and pose a risk of flying objects The clutch system is made up of the clutch shoes clutch spring and the bolts and washers flat and waved securing them to the flywheel Using an impact wrench or a sharp blow to a socket wrench remove the bolts securing the clutch to the flywheel right hand threaded counter clockwise for removal This will enable all of the components to be inspected Check for any sign
4. CT TANAKA C O INTERNATIONAL SALES amp MARKETING INC CUSTOMER SERVICE DEPT AT 253 333 1200 www tanaka usa com 17 custsvc tanaka ism com
5. ROL SYSTEM INCLUDES PARTS SUCH AS THE CARBURETOR THE IGNITION SYSTEM AND THE CATALYTIC CONVERTER WHICH IS INCORPORATED IN TO THE MUFFLER ON THIS ENGINE WHERE A WARRANTABLE CONDITION EXISTS TANAKA WILL REPAIR YOUR ENGINE AT NO COST TO YOU INCLUDING DIAGNOSIS PARTS AND LABOR MANUFACTURER S EMISSION CONTROL WARRANTY COVERAGE THE EMISSION CONTROL SYSTEM ON 1995 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 TANAKA 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 TANAKA RECOMMENDS THAT YOU RETAIN ALL RECEIPTS COVERING MAINTENANCE ON YOUR SMALL OFF ROAD ENGINE BUT CANNOT 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 TANAKA MAY DENY YOU WARRANTY COVERAGE IF YOUR SMALL OFF ROAD ENGINE OR A PART HAS FAILED DUE TO ABUSE NEGLECT IMPROPER MAINTENANCE OR UNAPPROVED MODIFICATIONS YOU ARE RESPONSIBLE FOR PRESENTING YOUR SMALL OFF ROAD ENGINE TO A TANAKA SERVICE 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 CONTA
6. VOID All Tanaka supplied accessories attachments and replacement parts will carry a 90 DAYS part replacement warranty This warranty is limited to repair or replacement by Tanaka or at the premises of Tanaka Authorized Service Dealers of such parts as appear to Tanaka upon inspection to be defective in material and or workmanship The above warranties are extended to the first end user and no warranty is made nor authorized to be made assignable on resale by the first end user Tanaka makes no warranty with respect to accessories or replacement parts not manufactured by Tanaka or sold by it Such items are subject to the warranty policy of their respective manufacturers For the name and address of your nearest Authorized Tanaka Service Dealer call or write Tanaka c o International Sales amp Marketing Inc at 1028 4th Street S W Bldg B Auburn WA 98001 253 333 1200 or visit their website www tanaka usa com To obtain performance of any obligation under this warranty for failure during the applicable warranty period deliver the Tanaka product shipping prepaid to Tanaka c o International Sales amp Marketing Inc or to the nearest Tanaka Authorized Service Dealer Tanaka reserves the right to inspect the claimed defective part s to determine if the malfunction is the result of a defect covered by this warranty This warranty will cover only defects arising under normal usage and shall not apply nor will Tanaka assume any responsibilit
7. fit within the bolt holes in the fuel tank itself Inspect the tank tank cap tank vent and fuel lines for any signs of leakage or damage Replace as needed With the fuel supply line disconnected from the carburetor it is possible to check the integrity of the fuel filter With the tank cap securely tightened and the clear fuel return line still attached or blocked off gently shake the tank while partially filled with gasoline If the filter is allowing gas to flow the agitation of the fuel in the tank will force fuel up and out of the fuel line If the fuel filter is in question replace it The exhaust system consists of the muffler catalytic converter 1 heat shield 2 and muffler gasket 1 The muffler is a sealed non serviceable unit that houses the catalyst If the muffler is damaged or the integrity of the catalyst is in question the entire unit needs to be replaced Remove the shroud covering the muffler and cylinder Remove the muffler and inspect the exhaust port and mating portion of muffler for any build of carbon Carbon build up is a normal occurrence in a two cycle engine and removal is a matter of routine maintenance 14 custsvc tanaka ism com Tanaka PF 4000 Service Manual Engine Repair Cont CRANKCASE ENGINE When re assembling the muffler components be sure that the heat shield is properly installed with the muffler locator tabs properly inserted The heat shield is crucial to the cooling of the en
8. g gt A J m While the rubber spark plug boot high tension lead are removed from the T spark plug this is an ideal time to test the quality of the current being TE delivered to the spark plug Insert a three point spark tester into the spark 1 24 plug boot and briskly pull the recoil starter The tester should reveal a strong spark with a blue color Lack of spark weak spark or yellow spark may Connect an ohmmeter to the ignition coil with one lead inserted into the spark plug boot and the other making contact with the cylinder fins of the engine as shown Secondary resistance when tested this way should indicate 5 8 1 KO If the reading is not within this range replace with a new coil previous tests for spark using a three point tester should have indicated a weak spark or none at all If the reading is within range and still weak or no spark is evident replace the ignition coil Check to ensure that all fasteners are tight prior to disassembly Loosening of fasteners on the carburetor side may cause erratic running conditions or even engine failure It s always best to know if fasteners are properly torqued prior to engine service as problematic running conditions may be the result Using a hooked wire reach into the filler neck of the fuel tank and grasp the fuel line Gently pull the fuel line with the fuel filter attached through the filler neck The filter
9. ghted and adequately ventilated o Tools instruments and parts needed for work should be clean and readily available before any job is started Special tools available for servicing TANAKA equipment are listed in this manual o Equipment should be cleaned before repair work starts Cleaning will often help reveal a source of trouble o Before attempting to repair or operate any equipment read and understand all information provided by the instruction manual for the equipment o Never attempt to service an engine that is running or still heated from running unless it is specifically required by the manufacturer s instructions o Wipe up all spilled liquids immediately Use non flammable solvents for cleaning Clean all parts before reconditioning or reassembling o Thoroughly inspect all parts for wear or damage Replace all parts that show damage or excessive wear o Always recondition and or repair equipment strictly according to the Manufacturer s specifications o Be sure all shields and safety devices are correctly installed before performing any final operating tests o After completion of any service or repair the equipment should be thoroughly cleaned Routine Maintenance Guide NUMEN Clean Cooling Fins Fuel Filter Clean Spark Plug Muffler amp Exhaust Ports Ll 2f PR ENE Spark Arrestor Clan O Lo 1 0 Lo 1 0 Lo
10. gine and improper installation can lead to overheating of the engine The engine components include the crankcase crankshaft connecting rod cylinder piston and piston rings Further the crankcase also contains the main crankshaft support bearings and the crankshaft seals The cylinder is attached to the crankcase with four screws which are accessed from the top of the cylinder With the screws removed the cylinder will slide off of the crankcase and piston rings The piston is attached to the connecting rod with a press fit wrist pin Removal of this pin first requires the removal of the piston pin retaining circlips installed in the side of the piston at either end of the pin These are removed with a pair of needled nose pliers and are not re usable New spares should be installed upon re assembly Crankcase Engine cont www tanaka usa com 15 custsvc tanaka ism com Tanaka PF 4000 Service Manual Engine Repair Cont Crankcase Engine cont With the engine taken down to this level it is generally accepted that the piston rings should be replaced They provide the engine with the proper amount of compression and due to their inaccessibility its best to re assemble with new rings However if servicing requires the removal of the piston fitting of new rings to the piston should not be done until the piston has been re assembled to the connecting rod as the piston pin remover tool can cause damage to the rings Us
11. grease to the inner wall of the center hole on the spool Wind the rope on the spool about three turns counterclockwise as viewed from the starter pawl side Install the starter spool into the case making sure that the spool engages with the inner end of the rewind spring Install washer and screw holding starter spool in the case Recoil Starter cont www tanaka usa com 10 custsvc tanaka ism com Tanaka PF 4000 Service Manual Engine Repair Cont Recoil Starter cont WES It is necessary to increase the spring tension in the starter prior to use Rotate the spool counterclockwise several times with the rope hooked into notch A Hold the spool to prevent it from rewinding and pull the starter grip out to take up the rope slack Let the starter rewind slowly Pull starter several times to check the spring rewind tension If the starter is not rewinding fully repeat the process described above The electrical system includes the flywheel 1 the coil 2 high tension lead assembly 3 and the spark plug 4 To remove the flywheel it is first necessary to effectively stop the piston from moving within the cylinder This is easiest accomplished by rotating the crankshaft until the piston is on a downward stroke then inserting several inches of starter rope into the spark plug hole Upon rising in the cylinder the piston will contact the rope and will not be allowed to complete its cycle or crankshaft rotation T
12. his will allow the flywheel mounting nut to be removed The flywheel nut is right hand threaded Removal is in the counter clock wise direction With the flywheel nut removed a flywheel puller can be attached to separate it from its press fit to the crankshaft Align the center bolt of the puller with the indent in the end of the crankshaft and thread at least two carrier bolts through the puller and into the flywheel Make sure that at least several threads are utilized in attaching the carrier bolts as they will bear the load of pulling the flywheel loose Damage to these threads will require replacing the flywheel itself With the puller properly attached to the flywheel use the T handle to turn the center pivot point until the flywheel comes loose from the crankshaft Electrical Systems cont www tanaka usa com 11 custsvc tanaka ism com Tanaka PF 4000 Service Manual Engine Repair Cont Electrical Systems cont Remove the flywheel refer to page 11 for disassembly procedure and inspect the integrity of the flywheel keyway the crankshaft keyway and the key itself Any deformation of the key or keyways will require replacement of those components After identifying the integrity of the coil refer to page 8 for coil testing procedure or replacing it with a new one check the air gap between the coil and flywheel A Gap should be measured with a feeler gauge and set at 0 014 FUEL SYSTEM The fuel system consis
13. ing a piston pin remover loop the strap end around the piston with the hole aligned to allow the passage of the piston pin It may be necessary to insert a small screw between the remover and the piston pin as the remover may have a smaller diameter than the inside of the piston pin The crankcase halves are joined with four screws Removing these screws will allow the entire contents of the crankcase to be exposed Inspect the main support bearings if they are in question replace them Upon re assembly install a new crankcase gasket between the halves Carefully inspect the crankshaft paying particular attention to the amount of play between the connecting rod and the crankshaft pin oide to side play A is normal However any detectable play in an up and down motion B is unacceptable This indicates the need for a replacement crankshaft The connecting rod and crankshaft are one non serviceable part www tanaka usa com 16 custsvc tanaka ism com Tanaka PF 4000 Service Manual WARRANTY STATEMENT Tanaka Kogyo Co Ltd Tanaka hereby warrants its utility engines to be free from defects in material or workmanship for a period of 180 DAYS after delivery to the first consumer end user in a non commercial application All components on PureFire engines related to the emission control system will carry a 2 YEAR warranty In the event that the product is used for commercial rental or competition purposes the warranty shall be
14. lanak Service Manual PF 4000 Date 05 01 02 UTILITY ENGINE ISM Inc 1028 4 Street SW Auburn WA 98001 Phone 253 333 1200 s Fax 253 333 1212 www tanaka usa com custsvc tanaka ism com Tanaka PF 4000 Table of Contents Specification Chart amp Torque Limits Trouble Shooting Safety and Shop Practices Routine Maintenance Diagnostic Tools General Inspection Engine Repair Warranty Statement www tanaka usa com 1 Service Manual custsvc tanaka ism com Tanaka PF 4000 Specification Chart PF 4000 Specifications 5 398 1 Service Manual 39 8 0000000 3888832 O 2 39 8 Maxmumhp Maxmumkw Maximum torque kg m ft 5 Maximum torque kg m ft Ibs MaxmumRPM Idling RPM Fuel capacity cc fl oz 1000 33 8 Rotation recoil side WY J 224 Walbro Clutch Diameter Spark Plug CJ7 Champion BM7A NGK Ignition System Spark Plug Electrode Gap Fuel consumption g hp hr g kw hr 345 469 Starting System Second Coil Resistance 5 6 KQ Coil Air Gap 014 6 Engine Dimensions LxWxH mm 170 x 260 x 270 Engine Weight kg Ibs 3 9 8 6 www tanaka usa com Torque Limits Muffler 0008 n 4 4 4 200 185 150 2 3 5 0 0 0 N M 45 50 RU 3 6 5 4 5 0 2 custsvc tanaka ism com Tanaka Engine Will Not Start Engine Id
15. les Poorly Engine Lacks Power Engine Stops Suddenly www tanaka usa com PF 4000 Trouble Shooting Check Function of Rewind Starter Ignition System No Spark Fuel System Fuel Tank Fuel System Carburetor Air Filter Exhaust System gt Compression Check Function of Clutch System Ignition System Spark Plug Ignition System Poor Spark Fuel System Fuel Tank Fuel System Carburetor Air Filter Exhaust System Compression Check Function of Clutch System Ignition System Poor Spark Fuel System Fuel Tank Fuel System Carburetor Air Filter Exhaust System gt Compression Check Function of Ignition System No Spark Fuel System Fuel Tank Fuel System Carburetor Compression Service Manual Page No Page No custsvc tanaka ism com Tanaka PF 4000 Service Manual Safety amp Shop Practices o The most successful and profitable service shops consistently seem to maintain the best habits of safety cleanliness and orderly procedure The following information is intended as a guide towards developing habits that are necessary to accomplish satisfactory service work o Maintain a clean and orderly work area that is well li
16. may not apply to you No agent representative dealer or employee of Tanaka or International Sales amp Marketing Inc has the authority to increase or alter the obligations of this warranty IF THE PRODUCT IS USED IN A COMMERCIAL OR COMPETITIVE ENDEAVOR TANAKA WILL NOT BE LIABLE FOR GENERAL DAMAGES INCLUDING BODILY INJURIES EXCEPT AS SET FORTH ABOVE OR FOR INCIDENTAL OR CONSEQUENTIAL DAMAGES INCLUDING BUT NOT LIMITED TO LOSS OF USE LOSS OF PROFITS LOSS OF PRODUCTION EXPENSE OF SUBSTITUTE EQUIPMENT OR OTHER COMMERCIAL LOSS OR DAMAGE THE SAME LIMITATIONS SHALL APPLY TO A PRODUCT USED FOR CONSUMER PURPOSES WITH RESPECT TO ALL NON PERSONAL INJURY GENERAL INCIDENTAL AND CONSEQUENTIAL DAMAGES Some states do not allow the exclusion or limitation of incidental of 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 THE CALIFORNIA AIR RESOURCES BOARD AND TANAKA KOGYO CO LTD TANAKA ARE PLEASED TO EXPLAIN THE EMISSION CONTROL SYSTEM WARRANTY ON YOUR TANAKA ENGINE NEW SMALL OFF ROAD ENGINES MUST BE DESIGNED BUILT AND EQUIPPED TO MEET STRINGENT CALIFORNIA ANTI SMOG STANDARDS TANAKA MUST WARRANT THE EMISSION CONTROL SYSTEM ON SMALL OFF ROAD ENGINE FOR THE PERIODS OF TIME LISTED BELOW PROVIDED THERE HAS BEEN NO ABUSE NEGLECT OR IMPROPER MAINTENANCE OF YOUR LAWN AND GARDEN EQUIPMENT ENGINE YOUR EMISSION CONT
17. on deposits from the screen If the screen has heavy deposits of carbon build up replace it with a new part Spark Plug Remove the spark plug rubber protection boot and high tension lead and remove inspect the spark plug Picture A depicts a spark plug that has a broken insulator Picture B depicts a spark plug that has fouled due to a rich fuel oil mixture Picture C depicts a plug that has fouled due to carbon build up All of these conditions will prevent the spark plug from functioning properly and will require replacement Picture D depicts a plug characteristic of healthy running conditions The electrode should have a golden tan color and no damage is present Whenever the integrity of a spark plug comes into question it should be replaced Whether the plug to be installed is new used or cleaned it should be checked for correct electrode gap which is 024 Cylinder Compression Insert a compression gauge into the empty spark plug hole and pull the recoil starter handle briskly several times until the needle on the gauge stops climbing This reading represents the compression in the cylinder and is a good gauge of the piston rings ability to hold pressure The unit will struggle to run with compression less than approximately 90 psi Such low readings indicate the need for service to the cylinder piston or piston rings custsvc tanaka ism com Tanaka PF 4000 Service Manual General Inspection Cont Spark Testin
18. ract dirt This provides a good visual reference Ensure that the engine turns freely when the recoil starter is pulled and that the recoil starter rope retracts positively into the starter housing If gasoline is present in the fuel tank take the opportunity to empty it into a clear container This may reveal contamination such as water as depicted in the photo phase separation of gasoline and water is very obvious sediment or the lack of two cycle oil fuel mixture Air Cleaner Remove the air cleaner cover and inspect the air cleaner element A Ensure that it is clean and lightly oiled Make sure the inside of the housing that accommodates the cleaner element is free of dirt and dust The vented area of the crankcase visible in the photo between the fuel tank and the air cleaner body B allows air from the flywheel fins to be circulated to the exterior of the engine and is critical to proper cooling Ensure that there is no debris within the vent fins that would impede the circulation of air www tanaka usa com 6 custsvc tanaka ism com fanaka PF 4000 Service Manual General Inspection Cont Choke Lever Check to ensure that the choke lever A is able to rotate freely within the air cleaner body and that it has not been bent as to prevent a good seal when closing over the air intake www tanaka usa com Spark Arrestor Screen Remove the spark arrestor retaining screw and holder Remove any carb
19. s of damage to clutch shoes or excessive wear on the lining of the shoes When new the shoes have approximately two millimeters of lining Order spares as needed Inspect the wave washers mounted between the bolt and the clutch shoes to ensure that they are not cracked and still provide spring tension Ensure that the spring is not cracked or broken Replace as needed When re installing the clutch components attach the spring between the shoes then add the bolts with the wave washers Hold in place with the flat washers between the backside of the clutch arms and the flywheel and tighten the stepped bolts to 185 in Ibs www tanaka usa com 9 custsvc tanaka ism com Tanaka PF 4000 Service Manual Engine Repair Cont RECOIL STARTER CAUTION The recoil spring is wound with significant force When removed from the starter body it will rapidly unwind It is recommended that you wear gloves and eye protection when removing the starter spring The recoil starter is made up of the rope spool and rewind spring On the engine side is the starter pawl and the nut securing it to the crankshaft If the recoil starter fails to retract the rope or if the rope is broken or frayed it will be necessary to disassemble the starter Remove the small screw located in the center of the rope spool that secures the spool to the starter body This will expose all of the starter components Inspect the spool for any sign of warping cracks or chips
20. t their pliability and show no signs of cracking or drying If any of these components are in question replace all of them with a carburetor repair kit 650 25124 90 Pay careful attention to their position in the carburetor during re assembly www tanaka usa com 13 custsvc tanaka ism com fanaka www tanaka usa com PF 4000 Service Manual Engine Repair Cont CARBURETOR SERVICE The main body of the carburetor consists of the carburetor body A the throttle shaft B and the throttle wire receiver C Two screws secure the throttle wire receiver and the throttle shaft to the carburetor body While it s not necessary to remove the throttle valve for inspection rotate it by hand to ensure that it is able to freely rotate with the carburetor body and that it can reach the full range of motion permitted between the idle adjustment screw and the full RPM stopper on the carburetor body Any binding should be addressed by blowing forced air into the throttle valve body area If it still does not rotate freely the entire carburetor will need to be replaced Also ensure that the o ring mounted to the carburetor body on the air cleaner side is not torn or dried Replace as necessary The o ring is a component contained within the carburetor repair kit The fuel tank is mounted to the crankcase with three screws that extend from underneath the tank and through the tank mounting bracket Additionally there are three small spacers that
21. ts of the carburetor 1 fuel tank 2 fuel supply line 3 fuel return line 4 fuel filter and fuel tank vent 5 The carburetor is held in place between the air cleaner body and the heat insulator block with two screws that are accessed on the exterior of the cleaner body with the cover and cleaner element removed After removing the carburetor inspect the gasket that mounts between the carburetor and insulator block Often times a compromised gasket will show signs that it has allowed fuel to escape Replace all mounting gaskets when servicing the carburetor Fuel System cont www tanaka usa com 12 custsvc tanaka ism com Tanaka PF 4000 Service Manual Engine Repair Cont Fuel System cont Using a straight edge such as a metal ruler check the carburetor insulator for any possible warping If the insulator shows sign of warping replace it with a new one Using a carburetor pressure tester test the pressure holding ability of the carburetor Attach the tester line to the intake fitting of the carburetor not to be confused with the fitting that accommodates the purge bulb return line The carburetor should hold 7 PSI Readings less than this indicate a problem within the carburetor The pump body of the carburetor is held together with four screws With these screws removed it will be possible to inspect all of the pump components of the carburetor Inspect all gaskets and diaphragms to ensure that they have not los
22. y if the failure was caused by the following 1 Operation of product with incorrect fuel to oil ratio 2 Misuse or abuse 3 Negligence 4 Accident or physical damage 5 Repairs made by unauthorized parties and or with unauthorized parts 6 Improper set up or altering the engine 7 Improper adjustments e g carburetor etc 8 Operation of engine speeds above Tanaka recommendations 9 Failures due to contaminated fuel 10 Failure to operate the unit in the manner specified by the owner s manual 11 Use of non approved accessories or attachments or anything that alters the emission control system Normal maintenance of the fuel system spark plug spark arrester or air filter adjustments to the carburetor or replacement of wear items such as clutch components are not considered the responsibility of Tanaka under this warranty THIS LIMITED WARRANTY IS IN LIEU OF ALL OTHER EXPRESS WARRANTIES OBLIGATIONS OR LIABILITIES ANY IMPLIED WARRANTIES OBLIGATIONS OR LIABILITIES INCLUDING BUT NOT LIMITED TO ANY IMPLIED WARRANTY OF MERCHANTABILITY SHALL BE LIMITED IN DURATION TO THE APPLICABLE WARRANTY PERIOD AS STATED PREVIOUSLY ANY ACTION FOR BREACH OF ANY WARRANTY HEREUNDER INCLUDING BUT NOT LIMITED TO ANY IMPLIED WARRANTY OF MERCHANTABILITY MUST BE BROUGHT WITHIN A PERIOD OF SIX MONTHS FROM THE END OF THE APPLICABLE WARRANTY PERIOD Some states do not allow limitations on how long an implied warranty lasts so the previously stated limitations
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