Echo CS-300, CS-340, CS-345 Chainsaw User Manual
Contents
1. Available Parts Lists CS 300 S N 03001001 03999999 PART NUMBER 99922203359 CS 340 S N 03001001 03999999 PART NUMBER 99922203360 CS 345 S N 03001001 03999999 PART NUMBER 99922203361 MECHO ECHO INCORPORATED 400 Oakwoop Roab LAKE ZURICH IL 60047 www echo usa com2. A Diaphragm type Flywheel magneto CDI system NGK BPM 8Y Recoil starter Automatic centrifugal clutch 50 1 ratio with Echo Power Blend 2 stroke oil 89 octane unleaded Do not use fuel containing methyl alcohol more than 10 ethyl alcohol or 15 MTBE 0 25 8 6 fl oz U S Anti vibration device Throttle control lockout Chain brake Chain catcher Spark arrestor muffler EMISSION DATA EMISSION CONTROL EPA Phase Il IMPORTANT ENGINE INFORMATION The emission control system for these engines are ENGINE FAMILY 2EXHS 0334RA EM Engine Modification DISPLACEMENT 33 4 cc THIS ENGINE MEETS U S EPA PAHSE II EMISSION REGULA a l TIONS FOR S O R E REFER TO OWNER S MANUAL FOR An Emission Control Label is located on the MAINTENANCE SPECIFICATIONS AND ADJUSTMENTS engine This isan EXAMPLE ONLY information on EMISSION COMPLIANCE PERIOD 300 HRS label varies by engine FAMILY yeng KORTZ CORR CII PRODUCT EMISSION DURABILITY The 300 hour emission durability compliance period is the time span selected by the manufacturer certifying the engine emissions output meets applicable California and or U S EPA emissions regulations provided that approved maintenance procedures are followed as listed in the Maintenance Section of this manual DESCRIPTION The ECHO product you purchased has been factory pre assembled for your convenience Due to packaging restrictions guide bar and saw chain installation
3. D rk COME CE E Adjust 2 2 No spark at plug Spark gap incorrect J D 2 Covered with carbon ccccceeeeeeeeeeteeeees Clean or replace iL Fouled with fuel cceesscceeeesseseeeeeeeeeees Clean or replace pa wo Starting procedures incorrect s s Start correctly xo VO i S Low and high speed needle eeee Readjust oe g setting too lean EL a iss Metering lever sprin Ong dactesciucensmicnesnet Readjust 2 Fieldoesnoi etering lever spring too strong j L T keep running sos o Fuel pump diaphragm defective 0 Replace Q 7p Fuel passage clogged with dust 00 Disassemble and clean is 1S 8 a Fuel leaking from fixing surfaces 0 Retighten all screws 2s Acceleration g g g E 0 of carburetor gt and low speed we function __L Airvalve fuel tank cap does not defective worknormally xstececeseinsnrtoosarhearonencmnimereeaneets Replace or Clean Fuel pump does not operate ceeee Check impulse drilling Carburetor Fuel inlet needle valve clogged with dust Clean overflow e Metering lever spring not placed VOGT ONGW GN acrctachesiccintenctecesetcinspenbhenwmnouannte Correct Muffler sticky with fuel eceeeeeeeeeeees Fuel mixture is too rich Start the engine several times with choke rod fully open and run at fast idle until engine does not smoke Engine does Bearing damaged einen ieee arene mee
4. 7 FIG IC BID FIC AWW areae E E A E E 8 DPO a a ee de a E E ere eee ee cee 9 Cutting INStructions cccceccccceececceeeeeceeeeeceeeeeeseeeeeeseecesaaeeessaueesseeessaaeeesaaeeeseeeeessaeeeesaees 11 Maintenance and Oy sam nem ae eae ne ee ne en ee ee eee 15 Chain and Guide Bar Combinations 2 0 00 eee eeceeceeceeceeeeeeeeeeeeeeeeeueceeeeeeeeeeeneeeeeneeeeeeeness 18 Setting the SAW Chain cccccceccccsescceceeeeeceeeeesseeeeeseeeeeseeeeseeeeeseeeeseeeeeseeeeeseeeeesaeeesanes 18 MOUS SO OWN aes sats esac pe osc cece ss E 20 S10 2 0 eee en ee cee E er eee 21 Correct Use of Chain Brake 0 0 0 ccccccceccecceeceeeeeeeceeeeceeeeeeeeeeeeeseueneeeeeeeeeeeenneeaneneeeeeeeeass 22 EV ICING IO MAO eeen E E E 24 TECHNICAL DATA 260 x 235 x 220 380 x 235 x 245 Dimension LxWxH Inch 10 2 x 9 2 x 8 7 15 0 x 9 2 x 9 6 Weight Power head dry 2 7 1 b 3 3 7 3 Ib 7 5 Ib Without chain and guide bar Displacement Carburetor Magneto Spark Plug Starter Power transmission Air cooled two stroke single cylinder 30 1 1 83 cu in 33 4 2 03 cu in Tank Capacity ECHO bar and chain oil or motor oil Tank Capacity 0 15 5 fl oz U S Guide bar 12 in Standard 14 in Standard 16 in Standard Saw chain 14 16 in Optional 12 16 in Optional 12 14 in Optional Adjustable automatic oil pump Standard Top Handle Conventional handle features Rear hand guard Front hand guard Technical data subject to change without notice
5. UE AAG Chain Saw Instruction Manual MODELS CS 300 Serial Number 03001001 03999999 CS 340 Serial Number 03001001 03999999 CS 345 Serial Number 03001001 03999999 WARNING DANGER The muffler or catalytic muffler The engine exhaust from this and surrounding cover may become product contains chemicals known ailliushiss extremely hot to the State of California to cause Always keep clear of exhaust and muffler area cancer birth defects or other otherwise serious personal injury may occur reprod uctive harm WARNING A DANGER Read rules for safe operation and instructions carefully ECHO provides an Instruction Manual anda Safety Manual Both must be read and understood for proper and safe operation X750003241 X7503203102 04 03 RULES FOR SAFE OPERATION A Kickback Safety Precaution for Chain Saw Users WARNING KICKBACK may occur when the nose or tip of the guide bar touches an object or when the wood closes in and pinches the saw chain in the cut Tip contact in some cases may cause a lightning fast reverse REACTION Kicking the guide bar up and back towards the operator Pinching the saw chain along the top of the guide bar may push the guide bar rapidly back towards the operator Ei ther of these reactions may cause you to lose con trol of the saw which could result in serious per sonal injury Do not rely exclusively upon the safety devices built into your saw As a chain saw user you
6. and other assembly may be necessary After opening the carton check for damage Immediately notify your retailer or ECHO Dealer of damaged or missing parts Use the contents list to check for missing parts m 1 G u i d e B ar a oer EMISSIONS AND WARRANTY 2 Saw C hai n ya ee as galerie Instruction Manual a X _ Safety Manual Warranty Registration Card Limited Warranty Statement Kick Guard Installation Manual Scrench Echo Power Blend 2 stroke oil sample SN ee ee ee ee ee apaan ATA via T La parry oa a UK LAVAT ESA NOMENCLATURE OF PARTS CS 300 CS 340 _ FP 5 a OTe po S S 4 YS ma BINS my Nagy 1 Hand guard 6 Aircleaner cover 13 Fueltank cap Chain brake actuating lever 7 Purge bulb 14 Pull starter 2 Throttle control lockout 8 Guide bar 15 Oil tank cap 3 Throttle control trigger 9 Sawchain 16 Throttle control latch 4 Sprocket guard 10 Fronthandle 17 Tipguard 5 Chaincatcher 11 On Off switch 18 Muffler 12 Rearhand guard 19 Lanyardring CS 345 PREPARATION FOR USE The machine may be delivered with guide bar A tip guard and saw chain B separated Install guide bar tip guard and saw chain as follows WARNING DANGER Saw Chain is sharp Always wear gloves when handling assembly otherwise serious personal injury may result CAUTION 1 All adjustments should be made cold 2 Always wear gloves
7. usa com If you require assistance or have questions concerning the application operation or maintenance of this product you may call the ECHO CONSUMER PRODUCT Consumer Product Support Department at 1 800 673 1558 from 8 30am to 4 30 pm Central Standard Time Monday through Friday Before SUPPORT calling please know the model and serial number of your unit to help 1 800 673 1558 your Consumer Product Support Representative 8 30 4 30 Mon Fri C S T WARRANTY CARD This card is our means of registering all original owners of ECHO equipment The card plus proof of purchase provides you the assur ance that authorized warranty work will be done It also provides a direct link between you and ECHO if we find it necessary to contact you ADDITIONAL OR REPLACEMENT MANUALS Safety Manuals in English Spanish or English French are available free of charge from your ECHO dealer or at www echo usa com Instruction and Parts Manuals are available by e Downloading free from www echo usa com e Purchasing from your Echo Dealer e Sending a check or money order for 2 00 per Parts Catalog or 1 50 per Instruction Manual made payable to ECHO INCORPORATED State on a sheet of paper the model number and serial number of the ECHO unit you have part number of the manual if known your name and address and mail to address above Safety Videos are available from your Echo dealer A 5 00 shipping charge will be required for each video
8. with top of the gauge tool Be sure to round off the front edge of the depth gauge Depth gauge tool d Round Remove off the until flat edge with tool Sharpen bottom edge 18 e Properly filed cutters are shown below Top plate angle Side plate angle Top plate cutting angle Depth gauge 0 64 mm 0 025 Parallel f 30 ra e When setting of the chain is finished soak it in oil and wash away filings completely before using e When chain has been filed on the bar supply sufficient oil to it rotate the chain slowly to wash away the filings before using again e Ifthe chain saw Is operated with filings clogged in the groove the saw chain and the guide bar will be damaged prematurely e Ifthe saw chain becomes soiled with resin for instance clean it with kerosene and soak it in oil CHAIN TYPE AND SPROCKET PITCH SPROCKET Saw chain should be used with corresponding pitched DRIVE LINK tas sprocket To identify chain type and pitch of sprocket SO 91S check as follows Number i Cra gt Chain type number A is stamped on drive link EEE ae indicates Chain Chain type e Sprocket pitch B is stamped on clutch drum type 19 TROUBLESHOOTING Poor performance of the engine and or cutting mechanism can normally be prevented by carefully following these instructions Poor performance can easily be corrected even by a beginner When the engine does not functi
9. 0 Clean as necessary Throttle is not fully open Readjust Engine keeps running but chain does not cut clean Chain tension incorrect sumcscniccvatecataseerrresenense Adjust Chain does not cut clean Chain wrongly set escsiessssssesesnccasaracnaceseatencdens Set correctly 5 L Depth incorrect sseciuiccanncatiirenndunntciiuncistoatsexe Readjust oS a Chain saw pressed against g Chain stops MGS POINT sicadesaiccintendasadnaudvaeeccaaduneseisuaeebubes Press lightly al Clutch slips Q Glutei shoe WOHNOUT sacisicsinncainasninnsesenamndtins Replace D a No oil in tank ccc cnznentenneretenniiiencindess neds Refill 9 Oil delivery incorrect cccceeeeeeeteee eee Adjust Chain poorly lubricated Oil contaminated with dust cceeeee Rinse tank and fill with new oil Oil viscosity inappropriate cce Use oil with correct viscosity for summer or winter STORAGE AFTER USE e Inspect and adjust every part of the chain saw Completely clean every part and repair if necessary Apply thin coating of oil on metal parts to prevent rust Remove chain and guide bar apply sufficient oil coating and wrap them up in plastic e Drain fuel tank pull starter slowly a few times to drain fuel from carburetor e Pour a small amount of clean two stroke oil into spark plug hole pull starter and crank engine until the piston is at TOP DEAD CENTER e Store in a dry area free from dust 21 CORRECT
10. USE OF CHAIN BRAKE The installation of a chain brake may be mandatory by law or as stipulated by insurance regulations in your area of operation You should inquire through local government offices your employer or your local dealer to ensure that your chain saw conforms to the required safety standard Echo chain brakes have been designed and tested to comply with international safety standards as follows USA ANSI Standard B175 1 2000 Safety Requirement for chain saws Canada CSA Standard Z 62 1 CHAIN SAWS WARNING ANSI Standard B175 1 2000 stipulates that the brake shall stop the chain in 0 10 seconds one tenth at an engine speed of 8000 RPM It is the responsibility of the Owner Operator to ensure that the brake is serviced adjusted and tested strictly in accordance with the instructions as detailed herein in order to ensure that the brake performance is maintained in compliance with the Standard B175 1 2000 Kickback Motion Improper thrust cutting INSTALLATION Echo recommends that the chain brake should be serviced by an authorized Echo servicing dealer OPERATION Set the lever in the released position before starting to cut If the brake is tripped by kick back reaction the chain will stop Immediately release the throttle to avoid possible damage to the engine or clutch Do not attempt to operate the engine with the brake engaged 22 Function e When the lever is pushed forward chain brake instantl
11. cut is made on the side op posite the notch and at a level about 2 above the bottom of the notch Do not try to cut through to the notch with the felling cut The remaining wood between the notch cut and felling cut about 2 will act as a hinge when the tree falls guiding it in the desired direction When the tree starts to fall kill the engine place the saw on the ground and make your retreat quickly To fell big trees with a diameter exceeding twice the bar length start the notching cuts from one side and draw the saw through to the other side of the notch Start the back cut on one side of the tree pivoting the saw through to form the desired hinge on that side Then remove the saw for the second cut Insert the saw in the first cut very carefully so as not to cause kickback The final cut is made by drawing the saw forward in the cut to reach the hinge Limbing a fallen tree is much the same as bucking Never limb on the tree that you are standing When limbing cau tion is the word Be careful of the tip touching other limbs Always use both hands FINISH CUT SSS E aaa FIRST CUT ASA Board or flat stones KICKBACK When the bar nose hits another tree etc Don t cut with the saw overhead or the bar in a vertical posi tion If the saw should kick back you may not have good enough control to prevent possible injury Bucking is the sawing of a log or fallen tree into smaller pieces There are a
12. djustment check the follow ing items The correct spark plug must be clean and properly gapped The air filter element must be clean and properly installed The muffler spark arrestor screen and exhaust port must be clear of carbon The standard bar and chain combination see page 4 must be installed to the power head and properly tensioned Start engine and run for several minutes to reach operating temperature Stop engine Remove grommet cover A over H and L limiter needles Turn HI speed needle H CCW counter clockwise to stop Turn LO speed needle L CCW counter clock wise to stop Idle Speed Adjustment e Start engine and turn idle speed adjustment screw B CW until the saw chain begins to move then turn the screw CCW until saw chain stops moving Turn screw CCW an additional 1 4 turn Accelerate to full throttle for 2 3 seconds to clear excess fuel from engine then return to idle Accelerate to full throttle to check for smooth transition from idle to full throttle If engine stops or stalls after full warm up return the unit to your authorized ECHO dealer for repair Check HI speed RPM at W O T Wide Open Throttle HI soeed RPM should be set between 10 500 and 11 500 RPM s Check idle speed and reset if necessary If a tachom eter is available idle soeed should be set between 2 700 and 3 300 RPM s CAUTION When starting idling adjustment spe
13. ed should be adjusted not to rotate the saw chain When there is trouble with the carburetor refer to your distributor or dealer CHAIN AND GUIDE BAR COMBINATION The following combinations may be used on CS 300 CS 340 or CS 345 Model Suee a Pitch Saw Chain Kick Guard Number Number Length ECHO P N Gauge 120374501 3 8 050 917045 140375201 3 8 050 917052 160375701 3 8 050 917057 Reduced nose radius symmetrical bars OREGON name Double Guard WARNING DANGER Use of replacement saw chain and or guide bar other than that specified or operation without the tip guard in place may cause severe kickback resulting in Serious injury Only use saw chain designated as LOW KICKBACK that meets the ANSI B1 75 1 2000 Standard and the Echo guide bar specified SETTING THE SAW CHAIN For setting saw chains round file 4 mmg 5 32 and flat file are used e To keep correct position and correct angle use the file holder Round file and flat file are available from your Echo Dealer e File cutters as below To sharpen other type chain follow chain manufacturer s instructions Type 91VG ee me AC sae Tee o Depth wet 20 gauge Keep this angle 7 HOLD FILE HOLDER ONE FIFTH OF FILE DIAMETER PUSH FILE AS SHOWN LEVEL REMAINS ABOVE CUTTER EDGE e Place the depth gauge tool firmly on guide bar so that depth gauge protrudes Then file top of depth gauge with flat file until flat
14. educe fuel spillage Contact your ECHO dealer for ordering information FUEL TANK OIL TANK CHAIN LUBRICANT Proper lubrication of the chain while in operation reduces friction between the chain and the guide bar to a minimum and assures a longer service life e use bar and chain oil of high quality for this purpose e Do not use used or reclaimed oil to avoid various oiler problems e Use ECHO bar and chain oil e When ECHO bar and chain oil is not available Use motor oil etc e Use bar and chain oil of the following grades SAE NO 30 in summer SAE NO 10 in winter or when cutting resinous trees e When refueling also refill chain oil OPERATION WHEN THE ENGINE IS COLD e Move chain brake lever fully forward to engage chain brake before starting e Fill the fuel tank with fuel e Fill the chain oil tank with lubricant e Turn switch A to RUN position e Pull choke B all the way out close position e Push purge bulb C 10 times e Pull starter handle several times until first firing sound is heard Hold machine with your knee or foot e Push choke B all the way in open position e Pull starter handle again WHEN THE ENGINE IS HARD TO START e Press throttle control lockout down while holding throttle trigger and push in throttle control latch e Pull starter handle e When engine starts immediately squeeze throttle trigger to release the latch WARNING A DANGER Clu
15. ether Gasohol containing methyl wood alcohol is NOT l is NOT approved Gasoline TWO STROKE OIL A two stroke engine oil meeting ISO L EGD ISO CD 13738 and J A S O FC Standards must be used Echo brand premium Power Blend Universal 2 Stroke Oil meets these standards Engine problems due to inadequate Fuel Mix Chart lubrication caused by failure to use an ISO L EGD and J A S O 50 1 FC certified oil such as Echo premium Power Blend will void the two stroke engine warranty Emission related parts only are covered for two years regardless of two stroke oil used per the statement listed in the Emission Defect Warranty Explana METRIC om ae a oe To Mixing Instructions 1 Fillan approved fuel container with half of the required amount of gasoline 1 2 Addthe proper amount of 2 stroke oil to gasoline 3 i 3 Close container and shake to mix oil with gasoline 60 4 Add remaining gasoline and remix 5 20 400 5 Install fuel container cap and wipe any spilled fuel from container and surrounding area IMPORTANT Stored fuel ages Do not mix more fuel than you expect to use in thirty 30 days ninety 90 days when a fuel stabi lizer is added Stored two stroke fuel may separate ALWAYS shake fuel container thoroughly before each use TANK INDICATION IMPORTANT Spilled fuel is a leading cause of hydrocarbon emissions nN some states may require the use of automatic fuel shut off containers to r
16. few basic rules which apply to all bucking operations Keep both hands on the handles at all times Support logs if possible When cutting on a slope or hillside always stand uphill Keep in mind that the wood is heavy and that it will bend and pinch the saw if improperly supported The trunk will weaken at the point where you make the cut unless the tree is lying on perfectly flat ground or supported as shown If you make the cut with the tree on the ground don t let the saw s chain dig into the earth it is harmful for the saw and you stand a good chance of being struck by flying debris To cut the trunk use the bucking and two cut sequence shown The first cut should be no deeper than one third the trunk diameter WARNING KICKBACK IS DANGEROUS Kickback is generated when the rotation of the chain is ar rested for some reason The most dangerous effect of this action occurs when the nose of the bar contacts another ob ject the chain is momentarily stopped and all the energy of the engine throws the bar upwards and backwards towards the operator The chain saw industry and government agencies have at tempted to prescribe various safety devices but the best pro tection is to avoid kickback Comply with the Safety Precautions as listed on page 2 of this manual 13 INFORMATION Kickback Safety Features The following features are recommended for this model as Kickback Safety Features e Double Guard Low Kick T
17. gine does not stop pull choke out fully to stop engine Check and repair stop switch before starting the engine again 10 GENERAL OY CUTTING INSTRUCTIONS NOTE Read the ECHO CHAIN SAW SAFETY MANUAL included with your chain saw for additional cutting and safety instructions In all circumstances the operation of the chain saw is a one man job It is difficult at times to take care for your own safety so don t assume the responsibility for a helper as well After you have learned the basic techniques of using the saw your best aid will be your own good common sense The accepted way to hold the saw is to stand to the left of the saw with your left hand on the front handlebar and your right hand on the rear handle so you can operate the throttle trigger with your right index finger Before attempting to fell a tree cut some small logs or limbs Become thoroughly familiar with the controls and the re sponses of the saw Start the engine see that it is running properly Squeeze the trigger to open the throttle wide open and start the cut If the chain is properly sharpened the cutting should be relatively effortless It is not necessary to press down hard to make the saw cut Pushing the saw too hard will slow the engine and cutting will actually be more difficult Some material may adversely affect the housings of your ECHO chain saw Example Palm Tree Acid fertilizer etc To avoid housing deter
18. ht 2003 By Echo Incorporated All Rights Reserved 4 Usecaution when handling fuel Move the chain saw at least 3 m 10 feet from the fueling point before starting the engine 5 Do not allow other persons to be near the chain saw when starting or cutting with the chain saw Keep bystanders and animals out of the work area 6 Do not start cutting until you have a clear work area secure footing and a planned retreat path from the falling tree 7 Keep all parts of your body away from the saw chain when the engine is running 8 Before you start the engine make sure that the saw chain is not contacting anything 9 Carry the chain saw with the engine stopped the guide bar and saw chain to the rear and the muffler away from your body 10 Do not operate a chain saw that is damaged improperly adjusted or not completely and securely assembled Be sure that the saw chain stops moving when the throttle control trigger is released 11 Shut off the engine before setting the chain saw down 12 Use extreme caution when cutting small size brush and saplings because slender material may catch the saw chain and be whipped to ward you or pull you off balance 13 When cutting a limb that is under tension be alert for spring back so that you will not be struck when the tension in the wood fibers is released 14 Keep the handles dry clean and free of oil or fuel mixture 15 Operate the chain saw only in well venti
19. ioration carefully remove all packed saw dust around clutch and guide bar area and wash with water CAUTION Do not let the tip of the bar touch anything while the engine is running At cutting speed the chain is moving at a high rate of speed Should the tip contact a limb or log while the chain is moving the tip will be pushed upward with considerable force This is known as kickback Avoid it CAUTION Wear suitable hearing protective device such as ear muffs or ear plugs to protect against objectionable or uncomfortable loud noises 11 FELLING A TREE DIRECTION OF FALL Second cut One third tree diameter Hinge Felling cut LIMBING J iY 12 CAUTION A falling tree can seriously damage anything it may hit a car a house a fence a power line or another tree There are ways to make a tree fall where you want it so first decide where that is Before cutting clear the area around the tree You will need good footing while working and you should be able to work the saw without hitting any obstacles Next select a path of retreat When the tree begins to fall you should retreat away from the direction of fall at a 45 degree angle to avoid the trunk kicking back over the stump Begin the cut on the side to which the tree is to fall Cut a notch about 1 3 of the way into the tree as shown The position of this notch is important since the tree will try to fall into the notch The felling
20. lated areas 16 Do not operate a chain saw in a tree unless you have been specifically trained to do so 17 All chain saw service other than the items listed in the Instruction Manual maintenance instruc tions should be performed by competent chain saw service personnel For example if im proper tools are used to remove the flywheel or if an improper tool is used to hold the fly wheel in order to remove the clutch structural damage to the flywheel could occur and could subsequently cause the flywheel to burst 18 When transporting your chain saw use the appropriate guide bar scabbard 19 Spark arrestor mufflers approved to SAE Stan dard J335b are Standard on ECHO Chain saws to reduce the possibility of forest fires Do not operate the chain saw with a loose or defective muffler Do not remove the spark ar restor screen CONTENTS Page FUSS TON al ODEIO cerea E E EE E EEE unaesteeeene eatcesecaatenaiee ceeaenees 2 i a ADATA aee E a E e e nee eee 4 EMISSION DALE wis siccinswdnedcesienmewineenescdusdinsnsuwassieeneices qn sno wesxicimendeswoesensesensdensebeasiiewwnewessmexenseaiineres 5 SS CMONOM ae vscccanamaea ten E venetanttsnuss dures E 5 Nomenclature of Parts wiceterectoreccrtecincte cncteaieter nie teeta step as tissstate pemtectmntlanjecie dnd asd vaca seca piesa Sametstnwmanpenienoueseners 6 Preparation for USC ccccccccceeccceeeceeeeeseeeeseu cece eesseeeeseeeeseeeeseeeseeeesaueesueeseeeesaneeseneeesaes
21. n adjusting screw D counter clockwise to increase oil volume clockwise to decrease oil volume OILSTRAINER e Check periodically Do not allow dust to enter into oil tank Clogged oil strainer will affect the normal lubricating system Pick it up through oil port Ifthe strainer E is dirty wash it in gasoline When the inside of the tank gets dirty rinsing the tank out with gasoline will clean it FUELSTRAINER e Check periodically Do not allow dust to enter fuel tank Clogged strainer will cause difficulty in starting engine or abnormalities in engine performance Pick up the fuel strainer F through fuel inlet port with a piece of steel wire or the like When the strainer is dirty wash it in suitable cleaning fluid When the inside of the fuel tank is dirty rinsing the tank out with suitable cleaning fluid will clean it GUIDE BAR AND OIL HOLES e Clean after each use Clean the grooves G of the guide bar with for example asmall screwdriver Clean oil holes H with a wire e Reverse guide bar periodically SPROCKET e A damaged sprocket J will cause premature damage or wear of saw chain When the sprocket has worn out 0 5mm 020 or more replace it e Check sprocket when you install new chain Replace it if worn e Clean sprocket clutch and bar mount area before installation of bar IMPORTANT Some tree sap and resins are corrosive Thoroughly wash the g
22. on properly check the following three 3 points first e Is the engine compression adequate e ls fuel system in good condition and is enough fuel being supplied e ls electrical system in good condition and is spark plug operating normally When there is serious trouble with the unit do not try to repair it yourself but have your distributor or dealer do it for you For detailed TROUBLESHOOTING refer to tables 1 and 2 Locate the problem on the following charts and repair as necessary Ta b e 1 oe iene l Fuel strainer clogged sissinnirensiresn Clean Fuel pipe clogged gree nsasmarcanoicctpenundeccevntencats Clean Fuel is not reaching Suction insufficient ajtessrnsonaninintianaciiannranssnanunl Make sufficient cylinder Strainer clogged ccccecessssesssesessseesesesenees Clean Carburetor out of Order cccceeeeeeeeeees Disassemble and check T C D I module defective cceeeeseesteeeees Remove and replace D Ignition Coil defective ccceeeeeeeeeeeeeeees Remove and replace 3 No spark at high tension Wire connection defective ceecesereeees Reconnect 5 D cord end sO High tension cord connection defective Repair as necessary 2 9 Ss 38 5 o Ss Switch is grounded ccccccceseeseeseeseeeeeeeees Switch on S 2o33 2 P p 8 z LI 2 2 2 8 8 5 3 o eg e 4 5 5 Insulator cracked ccccessesseneceeeeeeeeeeeesees Replace plug D g
23. r aan eee Disassemble and replace not crank i a Piston and or cylinder seized eeeeee Disassemble and replace Crankshaftworn scctinicadsnescancnacaateceenncuacadanend Disassemble and replace Crankshaft contacting crankcase Disassemble and replace 20 Improper fuel used eee eeeeeeeeeeeeeeeeeeeteeeees Use fuel with correct mixing ratio Never use gasoline of poor quality Ta b eC 2 Engine Spark plug defective worn ccceeeeees Replace erheated ov As cooling fins clogged air does not pass Well ecccceeeeeeeessesseteeees Clean fins Excessive deposits in Combustion chamber 2 cc0ccceecececececeeees Disassemble and remove carbon Firing function defective Plug damaged or fouled c eeeeeeeees Replace or clean Comubstion poor due to defective wiring bec ssceiteesiceeccetinaasittadenmmietcedals Check wiring High speed needle setting incorrect Readjust Carburetor defective Carburetor overflow ccccccecceeeceeeeceeeeees Refer to Table 1 Ouput engine speed insufficient Air cleaner clogged c c c ceccictended aianeiecdiacces Clean as necessary Compression insufficient piston ring stuck or worn out eeeee Disassemble check and replace if necessary Other Cylinder chromium plating peeled Replace cylinder troubles or worn out Exhaust port clogged with carbon
24. should take several steps to keep your cutting jobs free from accident or injury 1 With a basic understanding of kickback you can reduce or eliminate the element of surprise Sudden surprise contributes to accidents 2 Keep a good firm grip on the saw with both hands the right hand on the rear handle and the left hand on the front handle when the en gine is running Use a firm grip with thumbs and fingers encircling the chain saw handles A firm grip will help you reduce kickback and main tain control of the saw Don t let go 3 Make sure that the area in which you are cut ting is free from obstructions Do not let the nose of the guide bar contact a log branch or any other obstruction which could be hit while you are operating the saw 4 Cut at high engine speeds 5 Do not overreach or cut above shoulder height 6 Follow manufacturer s sharpening and main tenance instructions for the saw chain 7 Only use replacement bars and chains speci fied by the manufacturer or the equivalent B Other Safety Precautions 1 Do not operate a chain saw with one hand Se rious injury to the operator helpers bystand ers or any combination of these persons may result from one handed operation A chain saw is intended for two handed use 2 Do not operate a chain saw when you are fa tigued 3 Use safety footwear snug fitting clothing pro tective gloves and eye hearing and head pro tection devices Copyrig
25. tch engages and chain will rotate when engine is started with throttle control latch engaged Make sure bar and chain are nottouching anything when starting the saw After engine starts release throttle trigger to idle engine Never use the throttle control latch for cutting Use only when starting the engine NOTE Do not pull starter rope out to the maximum possible position Do not allow recoil handle to snap back against the casing Securely hold the saw STARTING WARM ENGINE e Ensure that there is fuel and chain oil in the tanks If fuel tank was emptied during previous operation refill tank and push purge bulb 10 times e Turn switch A to RUN position e Pull starter handle e Choke may be used if necessary but be sure to push it back on first firing sound NOTE If engine does not start after 5 pulls use cold start procedure RUNNING e After engine starts allow it to return to idle e Move chain brake lever fully rearward to release chain brake e Squeeze throttle trigger with throttle control lockout gradually to increase engine speed e Saw chain starts moving when the engine reaches approximately 4200 rom e Ensure proper acceleration and lubrication of chain and bar e Donotrun the engine at high speed unnecessarily e Be sure that saw chain stops moving when throttle trigger is released STOPPING e Release throttle trigger and turn switch A to STOP position NOTE If en
26. uide bar and sprocket areas after each use then coat metal parts with light oil 15 SPARK PLUG e Check periodically e Gap 0 65mm 026 in e Replace if either electrode is worn or if the insulator is fouled by oil or other deposits e Torque 145 155 kg cm 125 135 in lb CAUTION Donotover torque COOLING SYSTEM CLEANING e Remove spark plug lead e Remove two 2 muffler cover screws and muffler cover e Remove four 4 recoil starter housing screws and starter housing e Use a stiff bristle cleaning brush do not us a metal brush to remove dirt from cylinder fins in muffler and ignition coil areas CARBURETOR ADJUSTMENT Engine Break In New engines must be operated a minimum duration of two tanks of fuel break in before carburetor adjustments can be made During the break in period your engine performance will increase and exhaust emissions will stabilize Idle soeed can be adjusted as required High Altitude Adjustment High altitude adjustment may be required for proper operation of this engine IMPORTANT Engine operation at altitudes above 2000 feet may require adjustment of the carburetor high and low speed needles Turn the high speed needle lean CW until the engine runs between 10 500 and 11 500 maximum RPM Below 2000 feet altitude turn the high speed needle rich CCW until the engine runs between 10 500 and 11 500 maxi mum RPM 16 17 Before starting the unit for a
27. when working on chain 3 Do not operate with a loose chain GUIDE BAR AND SAW CHAIN e Follow the instructions enclosed with tip guard to install guard to guide bar e Remove two guide bar nuts and remove sprocket guard D e Mount guide bar A on studs and slide toward sprocket to make saw chain installation easier e Install saw chain B as shown with cutters facing forward IMPORTANT Be certain tensioner C fits into lower adjuster hole before tightening guide bar nuts NOTE Move chain brake lever fully rearward to install sprocket guard to saw e Install sorocket guard D and tighten guide bar nuts finger tight e Adjust saw chain tension as instructed in Adjust ment Chain Tension ADJUSTMENT CHAIN TENSION e Loosen two guide bar nuts e Turn the adjuster screw clockwise until the chain touches the bottom of the bar e Hold the bar nose up and tighten the chain until there is no clearance between the bar and chain e Tighten both guide bar nuts with bar nose held up to eliminate clearance e Pull the saw chain around the guide bar by hand Loosen the adjustment if you feel tight spots e Start the engine and run at low speed Stop and readjust if necessary FUEL AND LUBRICANT FUEL STATEMENT GASOLINE Use 89 Octane R M 2 mid grade or higher Oil gasoline or gasohol known to be good quality Gasohol may contain up to 10 Ethyl grain alcohol or 15 MTBE methyl tertiary butyl
28. y works to stop the chain Release e When the lever is fully pulled toward the operator brake is released TESTING THE BRAKE Start the engine on a solid level surface and run at a fast idle until warm e Hold the saw firmly by the handles and accelerate the engine to a fast idle e Slowly operate the chain brake lever while holding the saw firmly on the ground When the brake lever trips the chain should stop Immediately release the throttle trigger CAUTION DO NOT ALLOW THE SAW TO TIP FORWARD IN ORDER TO AVOID DAMAGE TO THE CHAIN If the chain does not stop immediately return the saw to your authorized Echo dealer for repair NOTES 23 SERVICING INFORMATION PARTS Genuine ECHO Parts and ECHO REPOWER Parts and Assemblies for your ECHO products are available only from an Authorized ECHO Dealer When you do need to buy parts always have the Model Number and Serial Number of the unit with you You can find these numbers on the engine housing For future reference write them in the space provided below Model No SN ERVICE S DEALER Service of this product during the warranty period must be performed by an Authorized ECHO Service Dealer For the name and address of Call the Authorized ECHO Service Dealer nearest you ask your retailer or call 1 800 432 ECHO When presenting your unit for Warranty 1 800 432 ECHO service repairs proof of purchase is required or ECHO CONSUMER PRODUCT SUPPORT www echo
29. ype Guide Bar or Asymmetrical Low Kick Type Guide Bar Note Your saw chain can be equipped with either of these bars Reduced nose radius Double Guard Bar NOTE Use Oregon replacement guide bars The following guide bars may be considered to have equivalent kickback energy e Sprocket nose guide bars of the same length and nose radius same pitch and having the same number of teeth e Ahard nose guide bar having the same length and nose radius as a sprocket nose bar e Low Kick Guard Link Type Saw Chain The low kick guard link chain must be maintained correctly Follow instruction SETTING THE CHAIN in Instruction Manual e Front Hand Guard Chain Brake Actuating Lever The front handle guard must be installed correctly and kept in good condition e Chain Brake Chain brake must be maintained correctly Follow instruction CORRECT USE OF CHAIN BRAKE in Instruction Manual WARNING DANGER Using improper replacement components or removing safety devices may result in serious or fatal injury 14 MAINTENANCE AND CARE AIRFILTER Check before every use Pull choke A all the way out close position Loosen bolt and remove air cleaner B cover and filter C Lightly brush dust off filter and inspect for damage AUTOMATIC OILER e Thedischarge volume of the automatic oiler is adjusted to 3 to 4cc mm 7000 rpm prior to shipment from the factory e Always check oil discharge when in use e Tur
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