Echo X750020201 User's Manual
Contents
1. Clutch Guide bar studs Guide bar adjuster hole Nuts Direction to tension the ch KF chain Proper tension Improper tension 13 4 Unlock the chain brake and mount guide bar on studs and slide toward clutch to make saw chain installation easier Install chain with cutters on top of guide bar facing forward 5 Install the clutch cover over the guide bar studs En sure chain tension adjuster pin fits into the guide bar adjuster hole Tighten clutch cover nuts finger tight ADJUSTING CHAIN TENSION IMPORTANT Always loosen clutch cover nuts before turning the chain tension adjuster otherwise the clutch cover and tensioner will be damaged ay Remove spark plug lead See page 25 2 Unlock chain brake and loosen two clutch cover nuts if necessary 3 Hold the bar nose up and turn the adjuster screw clockwise until chain fits snugly against underside of the bar 4 Tighten both nuts with the bar nose held up 5 Pull the chain around the bar by hand Loosen the adjustment if you feel tight spots 6 When chain is properly tensioned tighten clutch cover nuts securely 20 to 23 N m 175 to 200 in Ib 7 Keep chain properly tensioned at all times CS 352 FUEL AND LUBRICANT A WARNING Alternative fuels such as E 15 15 ethanol E 85 85 ethanol or any fuels not meeting ECHO requirements are NOT approved fo2. 2 YEAR WARRANTY All other units for commercial institutional agricultural industrial or income producing use will be covered by this limited warranty for two 2 years from the date of purchase EXCEPTIONS e For two stroke engine powered products the electronic ignition module flexible drive cables SRM solid drive shafts and TC tines are warranted for the life of the product on parts only Cutting attachments such as but not limited to bars chains sprockets blades and nylon trimmer heads for commercial institutional agricultural industrial rental or income producing will be covered for failures due to defects in material or workmanship for a period of 30 days from original product purchase date Any misuse from contact with concrete rocks or other structures is not covered by this warranty ECHO s Rapid Loader String Head carries a lifetime warranty on the line locking system parts only no labor Refer to your operator s manual for string head installation and maintenance instructions e All SB Series and PRO ATTACHMENT SERIES Split Shaft attachments carry the same warranty duration as the units they are designed to fit RENTAL APPLICATION 90 DAYS WARRANTY e Units for rental use will be covered against defects in material and workmanship for a period of 90 days from the date of purchase ECHO s liability under the Lifetime coverage is limited to furnishing parts specified under the PRODUCT WARRANTY PERIOD se
3. 70 90 kgf cm 7 Install cylinder cover and attach spark plug lead 8 Start engine and warm to operating temperature 9 Stop engine and re tighten mounting bolts or nuts to specifications 29 CS 352 SETTING THE SAW CHAIN Preset tie strap Drive link Left hand cutter S DY Top plate Side plate Tie strap N A Sey Depth guage Important points for proper maintenance of saw chain e Keep the cutters sharp at all times e Keep the left and the right cutters properly aligned Note that blunt or irregular cutters will result in poor cutting performance increased vibration of chains and premature breakage of the saw chain e Drive link serves to remove sawdust from the groove of the guide bar Keep the lower edge of the drive link sharp where indicated SETTING SAW CHAIN e For setting saw chain round file 4 0 mm dia 5 32 in and flat file are used e To keep correct position and correct angle use the file holder Sure Sharp CS 352 Hold the file horizontally 30 One fifth of file diameter remains above cutter edge Depth gauge tool 1 30 lt lt Top plate filing angle Side plate angle 91P_ 55 K9I1VG 55 Coc 0 025 in 31 e Place the depth gauge tool firmly on guide bar so that depth gauge protrudes Then file top of depth gauge
4. REPLACE C CLEAN IMPORTANT NOTE Time intervals shown are maximum Actual use and your experience will determine the frequency of required maintenance MAINTENANCE PROCEDURE NOTES 1 Low evaporative fuel tanks DO NOT require regular maintenance to maintain emission integrity Replacement is recommended based on the finding of damage or wear during inspection 25 CS 352 Idle adjusting screw ay High speed needle H 4 Low speed needle L CARBURETOR ADJUSTMENT Engine Break In New engines must be operated a minimum duration of two tanks of fuel break in before carburetor adjust ments can be made During the break in period your engine performance will increase and exhaust emis sions will stabilize Idle speed can be adjusted as required High Altitude Operation This engine has been factory adjusted to maintain sat isfactory starting emission and durability performance up to 1 100 feet above sea level ASL 96 0 kPa To maintain proper engine operation and emission compli ance above 1 100 feet ASL the carburetor may need to be adjusted by an authorized ECHO service dealer IMPORTANT If the engine is adjusted for operation above 1 100 feet ASL the carburetor must be re adjusted when operating the engine below 1 100 feet ASL otherwise severe engine damage may result CS 352 26 Every unit is run at the factory and the carburetor is set in compliance with Emission Reg
5. Two Stroke Oil meets the ISO L EGD and JASO M345FD Standard Emission related parts are covered for 5 years residential use or 2 years commercial use regardless of two stroke oil used per the statement listed in the EPA or California Emission Defect Warranty Explanation Damage caused by use of gasohol containing methanol wood alcohol or gasoline containing less than 89 octane Only use gasoline which contains 89 octane or higher Gasohol which contains a maximum 10 ethanol grain alcohol or 15 MTBE methyl tertiary butyl ether is also approved The prescribed mixing ratio of gasoline to oil is listed on the ECHO oil label and covered in your operator s manual Engine damage caused by use of ether or any starting fluids Damage caused by tampering with engine speed governor or emission components or running engines above specified and recommended engine speeds as listed in your operator s manual Operation of the unit with improperly maintained removed cutting shield or removed damaged air filter Damage caused by dirt pressure or steam cleaning the unit salt water corrosion rust varnish abrasives and moisture Defects malfunctions or failures resulting from abuse misuse neglect modifications alterations normal wear improper servicing or use of unauthorized attachments Incorrect storage procedures stale fuel including failure to provide or perform required maintenance services as prescribed in the operator s manual Preven
6. otherwise serious property damage or personal injury may result A WARNING Moving parts can amputate fingers or cause severe injuries Keep hands clothing and loose objects away from all openings e ALWAYS stop engine disconnect spark plug and make sure all moving parts have come to a complete stop before removing obstructions clearing debris or servicing unit DO NOT start or operate unit unless all guards and protective covers are properly assembled to unit e NEVER reach into any opening while the engine is running Moving parts may not be visible through openings A WARNING Using improper replacement components or removing safety devices may result in serious or fatal injury A WARNING Check fuel system for leaks due to fuel tank damage especially if the unit is dropped If damage or leaks are found do not use unit otherwise serious personal injury or property damage may occur Have unit repaired by an authorized servicing dealer before using CS 352 6 Emission DATA Emission CONTROL EXHAUST amp EVAPORATIVE EPA 2010 and Later and or C A R B TIER III EMISSION CONTROL INFORMATION The emission control system for the engine is EM engine ENGINE FAMILY CEHXS O214KL DISPLACEMENT 21 2ec modification and if the second to last character of the Engine EMISSION COMPLIANCE PERIOD 300Hours il he Bisel C l Infi label 1 THIS ENGINE MEETS 2012 U S EPA EXH EVP Family on the Emission Co
7. spark plug and silencer Cylinder cover latch Secures cylinder cover CS 352 OPERATOR SAFETY VIBRATION AND COLD It is believed that a condition called Raynaud s Phe nomenon which affects the fingers of certain individu als may be brought about by exposure to vibration and cold Exposure to vibration and cold may cause tin gling and burning followed by loss of color and numbness in the fingers The following precautions are strongly recommended because the minimum exposure which might trigger the ailment is unknown Keep your body warm especially the head and neck feet and ankles and hands and wrists Maintain good blood circulation by performing vigor ous arm exercises during frequent work breaks and also by not smoking Limit the number of hours of operation Try to fill each day with jobs where operating the chain saw or other hand held power equipment is not required If you experience discomfort redness and swelling of the fingers followed by whitening and loss of feeling consult your physician before further exposing yourself to cold and vibration REPETITIVE STRESS INJURY It is believed that over using the muscles and tendons of the finger hands arms and shoulders may cause soreness swelling numbness weakness and extreme pain to the areas just mentioned Certain repetitive hand activities may put you at a high risk for developing a repetitive stress injury RSI An extreme RSI condition is
8. Carpal Tunnel Syndrome CTS which could occur when your wrist swells and squeezes a vital nerve that runs through the area Some believe that prolonged exposure to vibration may contribute to CTS CTS can cause severe pain for months or even years To reduce the risk of RSI CTS do the following CS 352 Avoid using your wrist in a bent extended or twisted position Take periodic breaks to minimize repetition and rest your hands Reduce the speed and force in which you do the re petitive movement Do exercises to strengthen hand and arm muscles See a doctor if you feel tingling numbness or pain in your fingers hands wrists or arms The sooner RSI CTS is diagnosed the more likely permanent nerve and muscle damage can be prevented 10 EYE AND HEARING PROTECTION e Wear eye protection goggles that meet ANSI Z 87 1 requirements Goggles meeting the requirements have the mark Z 87 stamped on them e Wear hearing protection If this guideline is not followed hearing loss can occur ECHO recommends wearing hearing protection at all times WEAR PROPER CLOTHING e Snug fitting durable clothing should be worn Pants should have long legs DO NOT WEAR SHORTS Do not wear loose fitting clothing scarves neckties jewelry or any item that may become tangled in sur rounding growth or the chain saw itself e Wear shoes with non skid soles DO NOT wear open toed shoes or operate unit bare footed e Wear no slip hea
9. Guide bar and See page 22 for Chain and Guide Bar Combination saw chain Lubrication Non adjustable automatic oil pump Engine speed Idle r min 3 000 Clutch engagement r min 4 200 Wide open throttle r min 12 250 Standard Front hand guard Rear hand guard features Anti vibration device Throttle control lockout Chain brake Chain catcher Spark arrestor muffler Kick guard Spiked bumper Option Technical data subject to change without notice 33 CS 352 WARRANTY STATEMENTS ECHO LIMITED WARRANTY STATEMENT FOR PRODUCT SOLD IN USA AND CANADA BEGINNING 01 01 2010 ECHO S RESPONSIBILITY ECHO Incorporated s Limited Warranty provides to the original purchaser that this ECHO product is free from defects in material and workmanship Under normal use and maintenance from date of purchase ECHO agrees to repair or replace at ECHO s discretion any defective product free of charge at any authorized ECHO servicing dealer within listed below application time periods limitations and exclusions THIS LIMITED WARRANTY IS ONLY APPLICABLE TO ECHO PRODUCTS SOLD BY AUTHORIZED ECHO DEALERS IT IS EXTENDED TO THE ORIGINAL PURCHASER ONLY AND IS NOT TRANSFERABLE TO SUBSEQUENT OWNERS EXCEPT FOR EMISSION RELATED PARTS Repair parts and accessories replaced under this warranty are warranted only for the balance of the original unit or accessory warranty period Any damage caused by improper installation or improper maintenance is not covered by this
10. and move ignition switch down to STOP position a7 NOTICE Throttle trigger If engine does not stop pull choke control knob out fully to stop engine Return the unit to your authorized ECHO dealer to check and repair stop switch before starting the engine again CS 352 18 CHECKING CHAIN TENSION e Chain tension should be checked frequently during work and corrected as necessary CAUTION Do not operate with a loose chain CHAIN LUBRICATION TEST Hold the chain just above a dry surface and open the throttle to half speed for 30 seconds A thin line of thrown oil should be seen on the dry surface CUTTING INSTRUCTION GENERAL AX CAUTION e Read the ECHO CHAIN SAW SAFETY MANUAL included with your chain saw for additional cutting and safety instructions e Wear suitable hearing protection such as earmuffs or earplugs to protect against objectionable or uncomfortable loud noises e 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 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
11. diameter A DANGER e Kickback is generated when the rotation of the chain is arrested for some reason The most dangerous effect of this action occurs when the nose of the bar contacts another object the chain is momentarily stopped and all the energy of the engine throws the bar upwards and backwards towards the operator e The chain saw industry and government agencies have attempted to prescribe various safety devices but the best protection is to avoid kickback e Comply with the safety precautions as listed in this Manual and Safety Manual CS 352 When the bar nose hits another tree etc Chain brake function When the lever is pushed forward chain brake instantly stops the chain Chain brake unlock When the lever is fully pulled toward the operator brake is unlocked CS 352 22 CHAIN BRAKE OPERATION e Set the lever in the unlocked position before starting to cut e lf the brake is tripped by kickback reaction the chain will stop immediately Release the throttle to avoid possible damage to the engine or clutch e Do not attempt to operate the engine with the brake locked TESTING THE BRAKE e Start the engine on a solid level surface and run ata fast idle until warm Hold the saw firmly by the handles and accelerate the engine to a fast idle Slowly operate the chain brake lever while holding the saw firmly on the ground Whe
12. in a majority of cutting operations and is especially recom mended for beginners homeowners or chain saw novices Most cutting operations can be accomplished with the Kick Guard in place Do not rely exclusively upon the safety devices built into your saw As achain saw user you should take several steps to keep your cutting jobs free from accident or injury Copyright 2012 By Echo Incorporated All Rights Reserved CS 352 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 engine is running Use a firm grip with thumbs and fingers encircling the chain saw handles A firm grip will help you reduce kickback and maintain control of the saw Don t let go 3 Make sure that the area in which you are cutting 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 maintenance instructions for the saw chain 7 Only use replacement bars and chains specified by the manufacturer or the equivalent B Other Safety Precautions Do not operate a chain saw with one h
13. 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 19 CS 352 3 m 10 feet Direction of fall Retreat Retreat Not this way Direction of fall p 7 Hinge tl i 5 cm 2 in First cut HPE F g F One third tree diameter CS 352 20 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 responses 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 cut ting 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 cut ting will actually be more difficult Some material may adversely affect the housings of your chain saw Example palm Tree Acid fertilizer etc To avoid housing deterioration carefully remove all packed sawdust around clutch and guide bar area and wash with water Coat metal parts with light oil FELLING THE TREE A falling tree can seriously dam
14. MECHO Chain Saw Instruction Manual MODELS CS 352 WARNING 44 DANGER A WARNING A ee The muffler or catalytic muffler The engine exhaust from this and surrounding cover may become product contains chemicals known ali pa ey roe ere to the State of California to cause ae ae CATIES on ge cancer birth defects or other otherwise serious personal injury may occur reproductive harm A WARNING Users of this equipment risk injury to themselves and others if the unit is used improperly and or safety precautions are not followed ECHO provides an operator s manual and a safety manual Both must be read and understood for proper and safe operation Failure to do so could result in serious injury X750020201 X7503272501 02 12 RULES FOR SAFE OPERATION A Kickback Safety Precautions 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 light ning fast reverse REACTION Kicking the guide bar up and back towards the operator Pinching the saw chain along the top of the guide bar may push the guide bar rapidly back towards the operator Either of these reactions may cause you to lose control of the saw which could result in serious personal injury The Kick Guard device is not installed on the guide bar when you purchase your ECHO chain saw The Kick Guard can be used
15. MPORTANT e Spilled fuel is a leading cause of hydrocarbon emissions Some states may require the use of automatic fuel shut off containers to reduce fuel spillage e Stored fuel ages Do not mix more fuel than you expect to use in thirty 30 days ninety 90 days when a fuel stabilizer is added e Stored two stroke fuel may separate ALWAYS shake AFTER USE DO NOT store a unit with fuel in its tank Leaks can occur Return unused fuel to an approved fuel storage container STORAGE Fuel storage laws vary by locality Contact your local government for the laws affecting your area As a precau tion store fuel in an approved airtight container Store in a well ventilated unoccupied building away from sparks and flames 15 CHAIN LUBRICANT Proper lubrication of the chain while in operation reduces friction between the chain and the guide bar to a mini mum and assures a longer service life e Use bar and chain oil of high quality for this purpose 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 CS 352 OPERATION A WARNING Moving parts can amputate fingers or cause severe injuries Keep hands clothing and loose
16. OF PART Sw iszehicecncescetcccicte ts iaredantenndesceid clentenanhenceiide beeeusbawuceneied 8 OPERATOR SARE rv se eara a rE r a or 10 CORRECT USE OF CHAIN BRAKE orisala a aa asipi ki 11 PREPARATION FOR USE k narada ee ita terete Seah aE aE RAAEN 12 FUELAND EUBRICAING 6 a a a a a D EE EA EE 14 EMISSION DATA ces cncaurctecnnrensptanct noA e aN aan TADE NaS lean ANAE anaa EaD 16 OPERATION A A bee het hen E sent ia 16 CUATINGANST RUG TION i iirin ae rea EE N 19 CHAIN AND GUIDE BAR COMBINATION cceeeeeeeeeeeeeeeeeeeeeeeeeeenneeeeeeeeeeee 24 MAINTENANCE AND CARE 25 eiccicsteiccticct ccthatieb inten ced cleanest hecha tilt deattaetsaeebnieeds 25 Carburetor Adjustment ccccccecceescecceeccceeeeeeeteneeeneesteesasensnensdecscnessssneeeceneeeenes 26 High Altitude Operation i e eed 26 SETTING THE SAW CHAIN Ariinae gis ete At he he EEA 30 TROUBLESHOOT N Garaa aa arrra naea AA E E AAEE EAA RARA ESVE EE EEA AA AAAA AAEE LAERA 32 STORAGE AFTER USE a e a a a a a a EAR 33 TECHNICAL DRA caste r r ie gy eins ohne eer ere ey pw E E eee eee 33 VVIATRRAINIT YS TA TEIN YS sci cacao arc ac cclad cal ae ie elie cee 34 This chain saw is designed for cutting wood or wood products Do not cut solid metal sheet metal plastic or any non wood materials Specifications descriptions and illustrative material in this literature are as accurate as known at the time of publication but are subject to change without notice Illustration
17. a part covered by this warranty any ECHO Inc Authorized Service Dealer will correct the defect You will not have to pay anything to have the part adjusted repaired or replaced This includes any labor and diagnosis for warranted repairs performed by the dealer In addition engine parts not expressly covered under this warranty but whose failure is a result of a failure of a covered part will be warranted WHAT PARTS ARE COVERED Any applicable emission related part not scheduled for required maintenance will be repaired or replaced within the warranty period The repaired or replaced part will be warranted for the remaining ECHO Inc warranty period Any warranted part that is scheduled only for regular inspection in the written instructions supplied is warranted for the warranty period stated above Any such part repaired or replaced under warranty will be warranted for the remaining ECHO Inc warranty period Any emission related part scheduled for replacement during required maintenance is warranted for the period of time prior to the first scheduled replacement point for that part Any such part repaired or replaced under warranty shall be warranted for the remainder of the period prior to the first scheduled replacement point for that part Any manufacturer approved replacement part may be used in the performance of any warranty maintenance or repairs on emission related parts and must be provided without charge if the part is still under wa
18. age 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 ob stacles 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 and at least 3 m 10 feet from the trunk to avoid the trunk kick ing 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 The position of this notch is important since the tree will try to fall into the notch The felling cut is made on the side opposite the notch and at a level about 5 cm 2 in 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 5 cm 2 in 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 Board or flat stones 21 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 tr
19. ain tension adjuster Device to adjust chain tension Chain catcher A projection designed to reduce the risk of the operator s right hand from being hit by a chain which has broken or derailed from the guide bar during cutting Guide bar The part that supports and guides the saw chain 11 12 13 14 15 16 17 18 19 20 21 22 Saw chain Chain serving as a cutting tool Bar tip guard Anti kickback device attached on the bar nose Oil tank cap For closing the oil tank Front handle for the left hand Support handle located at the front of the engine housing Starter handle Pull handle slowly until starter engages then quickly and firmly When engine starts return handle slowly DO NOT let handle snap back or damage to unit will occur Fuel tank cap For closing the fuel tank Ignition switch Device for connecting and dis connecting the ignition system and thus allowing the engine to be started or stopped Throttle trigger Device activated by the opera tor s finger for controlling the engine speed Rear handle for the right hand Support han dle located towards the rear of the engine hous ing Throttle trigger lockout A safety lever which must be depressed before the throttle trigger can be activated in order to prevent the accidental operation of the throttle trigger Cylinder cover The cooling airflow grill It covers the cylinder air filtter
20. aler of damaged or miss ing parts Use the packing list to check for missing parts ECHO chain saw Assembly Tool s ECHO Power Blend X 2 stroke oil sample Instruction manual Safety manual l MECHO Guide bar MECHO gt Kick Guard F Saw chain Ce ce Set E E E E S E Fi Warranty registration card 7 CS 352 NOMENCLATURE OF PARTS MECHO MECHO CHAIN SAW SAFETY MANUAL wi CS 352 8 10 NOMENCLATURE OF PARTS Instruction manual Included with unit Read before operation and keep for future reference to learn proper safe operating techniques Safety manual Describe operating and safety instructions for this chain saw Front hand guard Guard between the front handle and the saw chain for protecting the hand from injuries and aiding in control of the chain saw if the hand slips off the handle This guard is used to lock the chain brake which is to stop the saw chain rotation Choke control knob Device for enriching the fuel air mixture in the carburetor to aid cold start ing Purge pump When starting engine push purge pump 3 or 4 times Rear hand guard Extension on the lower part of the rear handle for protecting the hand from the chain if it breaks or degrooves Clutch cover Protective cover to the guide bar saw chain clutch and sprocket when the chain saw is in use Ch
21. and Serious injury to the operator helpers bystanders 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 fatigued 3 Use safety footwear snug fitting clothing and protective gloves Wear eye hearing and head protection devices 4 Use caution when handling fuel Move the chain saw at least 3m _ 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 When carrying a chain saw with the engine running push the front hand guard forward to engage the chain brake 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 cutti
22. and make sure all moving parts have come to a com plete stop before removing obstructions clearing debris or servicing unit Allow unit to cool before performing service Wear gloves to protect hands from sharp edges and hot surfaces Your ECHO unit is designed to provide many hours of trouble free service Regular scheduled maintenance will help your unit achieve that goal If you are unsure or are not equipped with the necessary tools you may want to take your unit to an ECHO Ser vice Dealer for maintenance To help you decide whether you want to DO IT YOURSELF or have the ECHO Dealer do it each maintenance task has been graded If the task is not listed see your Echo dealer for repairs SKILL LEVELS Level1 Easy to do Common tools may be required Level2 Moderate difficulty Some specialized tools may be required ECHO offers REPOWER Maintenance Kits and Parts to make your maintenance job easier MAINTENANCE INTERVALS WAINTENANCE REQ D DAILY OR 3 MONTHS SYSTEM PROCEDURE SKILL BEFORE OR a9 HOURS LEVEL USE HOURS e e st E ee _ 4 A a ROL a Guide Bar amp Sprocket Inspect Clean Lubricate I Nose Tensioning ea ca E i a i E E d Spark Plug Inspect Clean Cooling System Inspect Clean Muffler Spark Arrestor Inspect Clean Replace Cylinder Exhaust Port Inspect Clean Decarbon Recoil Starter Rope Inspect Clean Screws Nuts Bolts Inspect Tighten Replace MAINTENANCE PROCEDURE LETTER CODES INSPECT R
23. ause premature damage or wear of saw chain When the sprocket has worn out 0 5 mm 0 02 in or more replace it e Check sprocket when you install new chain Replace it if worn CYLINDER FINS e Check periodically e Clogged fins will result in poor engine cooling e Remove dirt and dust from between fins to let cooling air pass easily MUFFLER SPARK ARRESTOR Remove cylinder cover and remove spark plug lead e Remove spark arrestor screen cover and screen from muffler body e Clean carbon deposits from muffler components e Replace screen if it is cracked or has holes burned through e Assemble components in reverse order CS 352 NOTICE Carbon deposits in muffler will cause drop in engine output Spark arrestor screen must be checked periodically 28 EXHAUST PORT CLEANING Level 2 Parts Required As needed Muffler gasket 1 Remove cylinder cover and remove spark plug lead 2 Place piston at top dead center Remove muffler A and muffler gasket B 3 Use a wood or plastic scraping tool to clean deposits from cylinder exhaust port IMPORTANT Never use a metal tool to scrape carbon from the exhaust port Do not scratch the cylinder or piston when cleaning the exhaust port Do not allow carbon particles to enter the cylinder 4 Inspect muffler gasket and replace if damaged 5 Install muffler gasket and muffler 6 Tighten muffler mounting bolts or nuts to 60 80 in Ibf
24. ction of this warranty statement for Life free of charge for a period of ten 10 years after the date of the complete unit s final production CS 352 34 PURCHASED REPAIR PARTS SHORT BLOCKS AND ACCESSORIES 90 day residential or non income producing warranty 30 day commercial institutional agricultural industrial income producing or rental application warranty ATTENTION TWO STROKE ENGINE POWER PRODUCT OWNERS This ECHO two stroke engine power product is a quality engineered unit which has been manufactured to exact tolerances to provide superior performance To help ensure the performance of the unit it is required to use two stroke oil which meets the ISO L EGD Standard per ISO CD 13738 and JASO M345FD Standards ECHO Power Blend Two Stroke Oil is a premium two stroke oil specifically formulated to meet ISO L EGD ISO CD 13738 and JASO M345FD Standards The use of two stroke oils designed for other applications such as for outboard motors or lawnmowers can result in severe engine damage and will void your two stroke engine limited warranty THIS WARRANTY DOES NOT COVER DAMAGE CAUSED BY Lack of lubrication or engine failure due to the use of two stroke oils that do not meet the ISO L EGD ISO CD 13738 and JASO M345FD Standards Engine problems due to inadequate lubrication caused by failure to use an ISO L EGD compliant and JASO M345ED registered oil will void the two stroke engine limited warranty ECHO Power Blend
25. cylinder through the spark plug hole Store in a dry area free from dust WARNING Do not store in an enclosure where fuel fumes may accumlate or reach an open flame or spark A CAUTION Do not lend or rent your chain saw without the Instruction manual and Safety manual NOTICE e For future reference you should keep this a new one from your ECHO dealer Instruction manual and the Safety manual e If this Instruction manual or the Safety manual has become illegible or is lost please purchase TECHNICAL DATA MODEL CS 352 Dimension LxWxH mm 396 x 232 x 268 15 6 in x 9 1 in x 10 6 in Mass Power head dry kg 4 0 8 8 Ib Without chain and guide bar Engine Type Air cooled two stroke single cylinder Displacement mL cm8 34 0 2 075 cu in Carburetor Diaphragm type Magneto Flywheel magneto CDI system Spark plug NGK BPM8Y Starter Recoil starter Power transmission Automatic centrifugal clutch Fuel Mixture ratio 50 1 ratio with ECHO Power Blend X ISO L EGD ISO CD 13738 and JASO M345 FD two stroke air cooled engine oil Gasoline Use 89 octane unleaded Do not use fuel containing methyl alcohol more than 10 ethyl alcohol or 15 MTBE Do not use alternative fuels such as E 15 or E 85 Tank capacity L 0 25 8 47 US fl oz Oil Bar and chain ECHO bar and chain oil or motor oil Tank capacity L 0 26 8 81 US fl oz
26. e 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 11 CS 352 PREPARATION FOR USE A WARNING A WARNING Saw chain is sharp Always wear gloves when handling assembly otherwise serious personal injury may result Using improper replacement components or remov ing safety devices may result in serious or fatal injury KICK GUARD TO BAR INSTRUC TIONS Bolt A Dimple D Install bolt A in rear hole B of Kick Guard and through front hole C in guide bar wY 2 IMPORTANT Dimple D in Kick Guard must en Rear hole B gage recess E in guide bar 3 Tighten nut F and bolt A using 11 mm 7 16 in wrenches until snug Make certain Kick Guard is Front hole C flush against guide bar 4 Tighten nut F 1 8 additional turn 5 Check to make certain Kick Guard is tight on guide bar Guide bar GUIDE BAR AND SAW CHAIN IN STALLATION REMOVAL 1 Remove spark plug lead See page 25 fags Unlock chain brake Brake lever 2 Remove two clutch cover nuts and remove clutch Front hand guard cover 3 Remove bar and saw chain if necessary See Main tenance and Care section for guide bar saw chain maintenance procedures Two nuts Clutch cover CS 352 12
27. e pleased to explain the emission control system warranty on your 2010 and later equipment small off road engine SORE New equipment SORE must be designed built and equipped to meet stringent EPA and C A R B anti smog standards ECHO Inc must warrant the emission control system on your equipment SORE for the periods of time listed below provided there has been no abuse neglect or improper maintenance of your equipment SORE Your emission control system may include parts such as carburetor fuel injection system ignition system catalytic converter muffler fuel tank fuel feed lines fuel cap assembly spark plug air filters and other associated components Where a warrantable condition exists ECHO Inc will repair your equipment SORE at no cost to you including diagnosis parts and labor The Emission Control System warranty is extended to the original owner including all subsequent owners MANUFACTURER S WARRANTY COVERAGE The emission control system is warranted for 2 years or the length of the ECHO Inc warranty whichever is longer If any emission related part on your equipment is defective the part will be repaired or replaced by ECHO Inc or its Authorized Service Representative OWNER S WARRANTY RESPONSIBILITIES As the equipment SORE owner you are responsible for the performance of the required maintenance listed in your Operator s Manual ECHO Inc recommends that you retain all receipts covering maintenance on your equipment SORE ho
28. e problems due to inadequate lubrication caused by failure to use an ISO L EGD ISO CD 13738 and JASO M345 FD certified oil such as ECHO premium Power Blend X will void the two stroke engine warranty A DANGER Fuel is VERY flammable Use extreme care when mixing storing or handling or serious personal injury may result e Use an approved fuel container DO NOT smoke near fuel e DO NOT allow flames or sparks near fuel e Fuel tanks cans may be under pressure Always loosen fuel caps slowly allowing pressure to equalize e NEVER refuel a unit when the engine is HOT e NEVER refuel a unit with the engine running e DO NOT fill fuel tanks indoors ALWAYS fill fuel tanks outdoors over bare ground e Securely tighten fuel cap after refueling e Inspect for fuel leakage If fuel leakage is found do not start or operate unit until leakage is repaired e Move at least 3 m 10 feet from refueling location before starting the engine Cap indication Oil fuel tanks are indicated by the following illustrations 0 Oil tank cap Fuel tank cap HANDLING FUEL MIXING INSTRUCTIONS 1 Fill an approved fuel container with half of the required amount of gasoline Add the proper amount of two stroke oil to gasoline 3 Close container and shake to mix oil with gasoline Add remaining gasoline close fuel container and re mix fuel container thoroughly before each use I
29. ect Adjust to 65mm 0 026 in Covered with carbon Clean or replace Fouled with fuel Clean or replace Plug defective Replace plug Air filter Air filter dirty Clean or replace Fuel filter Fuel filter dirty Contaminants residues in Replace fuel Fuel vent Fuel vent plugged Contaminants residues in Clean or replace Engine runs fuel but dies or does not Spark Plug Plug dirtyAworn Clean and adjust or replace accelerate Cooling System Cooling system Extended operation in Clean dirty plugged dirty dusty locations Spark Arrestor Spark arrestor Normal wear Replace Screen screen plugged Engine does N A N A Internal engine problem See your Echo dealer not crank A WARNING Fuel vapors are extremely flammable and may cause fire and or explosion Never test for ignition spark by grounding spark plug near cylinder plug hole otherwise serious personal injury may result CS 352 32 STORAGE AFTER USE Inspect and adjust every part of the chain saw Completely clean every part and repair if neces sary Apply thin coating of oil on metal parts to prevent rust Remove chain and guide bar Drain fuel tank completely Press purge bulb 6 7 times to remove remaining fuel from carburetor then drain the tank again Close choke start and run the engine until it stops due to lack of fuel Allow engine to cool then remove the spark plug and pour 7 cc 1 4 oz of fresh clean two stroke engine oil into the
30. ee 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 kick back The final cut is made by drawing the saw forward in the cut to reach the hinge LIMBING Limbing a fallen tree is much the same as bucking Never stand on the tree that you are limbing When limbing caution is the word Be careful of the tip touching other limbs Always use both hands Don t cut with the saw overhead or aligned vertically with your body If the saw should kickback you may not have enough control to prevent possible injury BUCKING Bucking is the sawing of a log or fallen tree into smaller pieces There are a 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
31. ent at 1 800 673 1558 or contact us through the web at WWW ECHO USA COM PRODUCT WARRANTY PERIOD RESIDENTIAL APPLICATION 5 YEAR WARRANTY All units for residential or non income producing use will be covered by this limited warranty for five 5 years from date of purchase EXCEPTIONS e For two stroke engine powered products the electronic ignition module flexible drive cables SRM solid drive shafts and TC tines are warranted for the life of the product on parts only Cutting attachments such as but not limited to bars chains sprockets blades and nylon trimmer heads for residential or non income producing use will be covered for failures due to defects in material or workmanship for a period of 60 days from original product purchase date Any misuse from contact with concrete rocks or other structures is not covered by this warranty ECHO s Rapid Loader String Head carries a lifetime warranty on the line locking system parts only no labor Refer to your operator s manual for string head installation and maintenance instructions All SB Series and PRO ATTACHMENT SERIES Split Shaft attachments carry the same warranty duration as the units they are designed to fit COMMERCIAL APPLICATION 1 YEAR WARRANTY All Chain Saws QuikVent Saws and Cut Off Saws for commercial institutional agricultural industrial or income producing use will be covered by this limited warranty for one 1 year from the date of purchase
32. gh speed mixture Gasoline and oil mixture Carburetor adjustment Idle speed DECALS REPLACEMENT BAR AND CHAIN C S 352 TO AVOID KICKBACK GUIDE BARI CHAIN 1 Hold the chain saw firmly with both PART NO PART NO Q WARNING Read and follow all hands 12A0CD3745 91VG45CQ 91P45CQ safety precaution in the instruction 2 Don niet manocea me guide bar 14A0CD3752 91VG52CQ 91P52CQ manual Failure to follow 3 Tip contaci may suddenly move th 16A0CD3757 91VG57CQ 91P57CQ instructions could result in serious guide bar upward and backward personal injury which may cause serious injury Note There may be other replace ment components for achieving kickback protection For details please refer to the chain and bar combination sheet shown in the instruction manual Locate these safety decals on your unit Make sure the decal is legible and that you understand and follow the instructions on it If a decal cannot be read a new one can be ordered from your ECHO dealer 5 CS 352 A WARNING e During operation the muffler or catalytic muffler and surrounding cover become hot Never suspend the saw on a lanyard with the engine running Always use the saw from the right hand side of your body NEVER from the left side Always wear proper safety clothing to protect your lower body from sharp saw chain and hot muffler Always keep exhaust area clear of flammable debris during transportation or when storing
33. hrottle trig ger to release throttle latch A CAUTION Do not increase engine speed while chain brake is locked 17 NOTE If engine does not start after 5 pulls repeat instruc tions CS 352 WHEN THE ENGINE IS WARM A CAUTION Make sure the bar and chain are free from any obstruction when starting the chain saw Move chain brake lever fully forward to lock chain brake before starting Confirm there is fuel and chain oil in the tanks Move ignition switch to RUN position Securely hold the chain saw as shown and pull starter handle j gt Choke contre m br D Choke may be used if necessary but after first firing X NGO j open choke sound pull throttle trigger to release choke F vi NOTE If engine does not start after 5 pulls repeat instruc tions RUNNING When engine starts keep idling for a few minutes e Set the brake lever in the unlocked position before starting to cut e Pull throttle trigger gradually and increase revolution of the engine e The chain starts running when the engine reaches 4 200 r min approximately e Confirm proper acceleration and lubrication of chain and bar Non adjustable automatic oil pump e Do not run the engine at high speed unnecessarily e Be sure that saw chain stops moving when throttle trigger is released STOPPING e Release throttle trigger
34. ike When the filter is dirty replace it When the inside of the fuel tank is dirty rinsing the tank out with gasoline can clean it NOTE Federal EPA regulations require all model year 2012 and later gasoline powered engines produced for sale in the United States to be equipped with a special low permeation fuel supply hose between the carburetor and fuel tank When servicing model year 2012 and later equipment only fuel supply hoses certified by EPA can be used to replace the original equipment supply hose Fines up to 37 500 may be enforced for using an un certified replacement part CS 352 Oil tank cap Groove Muffler Spark arrestor screen Screen cover A S D OIL FILTER e Check periodically e Do not allow dust to enter into oil tank e A clogged oil filter will affect the normal lubricating system e Pull it out through oil filling hole with a piece of steel wire or the like e If the filter is dirty wash it in gasoline or replace it e When the inside of the tank gets dirty rinsing the tank out with gasoline can clean it GUIDE BAR e Clean before using Clean the groove of the guide bar with a small screw driver Clean oil holes with a wire e Reverse guide bar periodically e Check sprocket and the clutch and clean the bar mount area before installation of the bar Replace either or both if worn SPROCKET e A damaged sprocket will c
35. n the brake lever trips the chain should stop Immediately release the throttle trigger WARNING If the chain does not stop immediately return the saw to your authorized ECHO dealer for repair NOTICE e For practice while cutting a small tree push the lever forward to lock the brake e Confirm that the brake works properly before each use e If the chain brake is clogged with wood chips func tion of the brake may deteriorate Always keep the device clean e Do not increase engine revolution while the chain brake is locked e When using throttle latch at starting keep the chain brake locked IMPORTANT Do not allow the saw to tip forward in order to avoid damage to the chain End of the guide bar may be placed at the height of about 55 cm 22 in Rear handle should be gripped lightly with the right hand Warm weather Cold weather position storage position v 5 _ x le amp oe sok a Plug Warm weathe position Cylindner cover Cold weather storage position 23 AUTOMATIC CHAIN BRAKE Kickback produced from the tip of the guide bar will trip the automatic chain brake To make sure that the auto matic chain brake operates properly follow these steps 1 Stop the engine 2 Hold the saw with the guide bar approximately 55 cm 22 in above a wooden surface Right hand should hold the rear handle and left hand sho
36. ng idling adjustment speed should be adjusted not to rotate the saw chain Correct idle speed is adjusted 3000 r min Or 1 4 turn CCW from the point the chain stops moving When you experience trouble with the carburetor contact your dealer Cylinder cover Cylinder cover latch Air filter Cylinder cover latch lt Fuel tank cap Fuel filter AIR FILTER Check before every use Press hand guard forward and close choke Release the cylinder cover latches and remove the cylinder cover and air filter Brush off dust lightly or clean with compressed air or replace the air filter Reinstall air filter and the cylinder cover engage latch CHECK FUEL SYSTEM Check before every use After refueling make sure fuel does not leak from around fuel pipe fuel grommet or fuel tank cap In case of fuel leakage there is a danger of fire Stop using the machine immediately and request your dealer to inspect or replace SPARK PLUG Check periodically The standard spark gap is 0 65 mm 0 026 in Correct the spark gap if it is wider or narrower than the standard gap Fastening torque 13 to 17 N m 130 to 170 in Ib FUEL FILTER 27 Check periodically Do not allow dust to enter fuel tank A clogged filter will cause difficulty in starting engine or abnormalities in engine performance Pull the fuel filter out through fuel inlet port with a piece of steel wire or the l
37. ng small size brush and saplings because slender material may catch the saw chain and be whipped toward 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 ventilated 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 items listed in the Instruction manual maintenance instructions should be performed by competent service personnel For example 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 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 Standard J335 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 arrestor screen CS 352 CONTENTS RULES FOR SAFE OPERATION scici rc nieuecdtecccetueictth ected tele atten ected bea ceeleeds 2 SYMBOLS AND SIGNS T a a a O a iiA 4 PACKING EIST irirna iaaea slic EENAA EN AAEN ORNE Eaa n a aaa aenar 7 NOMENCLATURE
38. ntrol Information label sample EMISSION REGULATIONS REFER TO OWNER S MANUAL FOR below is C K or T the emission control system is EM MAINTENANCE SPECIFICATIONS AND ADJUSTMENTS and TWC 3 way catalyst The fuel tank fuel line emission YAMABIKO CORP control system is EVAP evaporative emissions Evaporative emissions for California models may only be applicable to fuel EMISSION CONTROL INFORMATION tanks ENGINE FAMILY CEHXS 0214KL DISPLACEMENT 21 2cc EMISSION COMPLIANCE PERIOD 300Hours Bo r 5 THIS ENGINE MEETS 2012 U S EPA EXH EVP amp CALIFORNIA An Emission Control Label is located on the engine This EXHEVP EMISSION REGULATIONS FOR 0 RE REFER TO OWNER S isan EXAMPLE ONLY information on label varies by MANUAL FOR MAINTENANCE SPECIFICATIONS AND ADJUSTMENTS engine FAMILY YAMABIKO CORP PRODUCT EMISSION DURABILITY EMISSION COMPLIANCE PERIOD The 300 hour emission compliance period is the time span selected by the manufacturer certifying the engine emis sions output meets applicable emissions regulations provided that approved maintenance procedures are followed as listed in the Maintenance Section of this manual PACKING LIST The ECHO product you purchased has been factory pre assembled for your convenience Due to packag ing restrictions guide bar and saw chain installation and other assembly may be necessary After opening the carton check for damage Immediately notify your retailer or ECHO de
39. objects away from all openings Always stop engine disconnect spark plug and make sure all moving parts have come to a com plete stop before removing obstructions clearing debris or servicing unit A WARNING Engine exhaust IS HOT and contains Carbon Monoxide CO a poison gas Breathing CO can cause uncon sciousness serious injury or death Exhaust can cause serious burns ALWAYS position unit so that exhaust is directed away from your face and body A WARNING Operation of this equipment may create sparks that can start fires This unit is equipped with a spark arrestor to prevent discharge of hot particles from the engine Metal blade use also can create sparks if the blade strikes rocks metal or other hard objects Contact local fire authorities for laws or regulations regarding fire prevention requirements A WARNING The ignition components of this machine generate an electromagnetic field during operation which may interfere with some pacemakers To reduce the risk of serious or fatal injury persons with pacemakers should consult with their physician and the pacemaker manufacturer before operating this machine In the absence of such information ECHO does not recommend the use of ECHO products by anyone who has a pacemaker CS 352 16 Purge pump lan switch te AS Run j Purge pump Starter handle Q amp Q A WARNING e Af
40. omplete and return the warranty registration card supplied with your ECHO product or by visiting WWW ECHO USA COM Your receipt of purchase including date model and serial number must be maintained and presented to an authorized ECHO servicing dealer for warranty service Proof of purchase rests solely with the customer Some states do not allow limitations on how long an implied warranty lasts so the above limitations may not apply to you Some states do not allow the exclusion or limitation of incidental or consequential damages so you may also have other specific legal rights which vary from state to state This limited warranty is given by ECHO Incorporated 400 Oakwood Rd Lake Zurich IL 60047 DISCLAIMER OF IMPLIED WARRANTIES This limited warranty is in lieu of all other expressed or implied warranties including any warranty of FITNESS FOR A PARTICULAR PURPOSE OR USE and any implied warranty of MERCHANTABILITY otherwise applicable to this product ECHO and its affiliated companies shall not be liable for any special incidental or consequential damage including lost profits There are no warranties extended other than as provided herein This limited warranty may be modified only by ECHO 99922201032 11 18 2011 35 CS 352 ECHO INCORPORATED EMISSION CONTROL WARRANTY STATEMENT FOR ECHO AND SHINDAIWA BRANDS The Environmental Protection Agency EPA and the California Air Resources Board C A R B and ECHO Incorporated ECHO Inc ar
41. ons listed above meet the ANSI B175 1 200 and or CSA 262 3 requirements IMPORTANT Chain and guide bar gauge size must be identical Use Bar Chain combinations shown in table above IMPORTANT If your kick guard is damaged or lost contact your Echo dealer for a replacement For the name of the Echo dealer nearest you Call 1 800 432 ECHO 3246 or on the web at www echo usa com Refer to your Chain Saw Safety Manual for kick guard application information GUIDE BAR SAW CHAIN Low kickback Low kickback Replacement guide bars The following guide bars may be considered to A CAUTION have equivalent kickback energy Sprocket nose guide bars of the same length and nose radius same pitch and having the same number of teeth Hard nose guide bars of the same length and nose radius as a sprocket nose bar Do not use replacement saw chain unless it has been designated as meeting the ANSI B175 1 2000 kickback performance requirements when tested on the representative sample of chain saws below 3 8 c i d specified in ANSI B175 1 2000 e NOTE LOW KICKBACK SAW CHAIN meets the kickback performance requirements of ANSI B175 1 2000 safety requirements for gasoline powered chain saws CS 352 24 MAINTENANCE AND CARE A WARNING Moving parts can amputate fingers or cause severe injuries Keep hands clothing and loose objects away from all openings Always stop engine disconnect spark plug
42. r use in ECHO 2 stroke gasoline engines Use of alternative fuels may cause performance problems loss of power overheating fuel vapor lock and unintended machine operation including but not limited to improper clutch engagement Alternative fuels may also cause premature deterioration of fuel lines gaskets carburetor and other engine components Fuel Mix Chart 50 1 US METRIC Gasoline Oil Gasoline Oil Gallons US fl oz L mL 1 2 6 4 80 2 5 2 8 160 5 13 20 400 IMPORTANT e ECHO premium Power Blend X Universal 2 Stroke Oil may be mixed at 50 1 ratio for application in all ECHO engines sold in the past regardless of ratio specified in those manuals e Use of unmixed improperly mixed or fuel older than 90 days stale fuel may cause hard starting poor performance or severe engine damage and void the product warranty Read and follow instructions in the Storage section of this manual CS 352 14 FUEL STATEMENT GASOLINE Use 89 Octane R M 2 mid grade or higher gasoline or gasohol known to be good quality Gasohol may contain up to 10 Ethyl grain alcohol or 15 MTBE methyl teriary butyl ether Gasohol con taining methyl wood alcohol is NOT approved TWO STROKE OIL A two stroke engine oil meeting ISO L EGD ISO CD 13738 and JASO M345 FD Stand ards must be used ECHO brand premium Power Blend X Universal 2 Stroke Oil meets these standards En gin
43. rovided below Model No Type SN SERVICE Service of this product during the warranty period must be performed VAMABIKO core asenaan RS by an Authorized ECHO Service Dealer For the name and address of DEALER Call the Authorized ECHO Service Dealer nearest you ask your retailer or call 1 800 432 ECHO 3246 Dealer information is also available on 1 800 432 ECHO our Web Site When presenting your unit for Warranty service repairs 1 800 432 3246 proof of purchase is required or www echo usa com ECHO CONSUMER PRODUCT SUPPORT If you require assistance or have questions concerning the applica tion operation or maintenance of this product you may call the ECHO Consumer Product Support Department at 1 800 673 1558 from 8 30 CONSUMER PRODUCT am to 4 30 pm Central Standard Time Monday through Friday Before SUPPORT calling please know the model and serial number of your unit 1 800 673 1558 WARRANTY REGISTRATION 8 30 4 30 Mon Fri C S T To ensure trouble free warranty coverage it is important that you regis ter your ECHO equipment on line at www echo usa com or filling out the warranty registration card supplied with your unit Registering your product confirms your warranty coverage and provides a direct link between you and ECHO if we find it necessary to contact you ADDITIONAL OR REPLACEMENT MANUALS Replacement Operator Safety Manuals and Parts Ca
44. rranty 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 obligations of the manufacturer Throughout the equipment SORE warranty period ECHO Inc will maintain a supply of warranted parts sufficient to meet the expected demand for such parts SPECIFIC EMISSION RELATED WARRANTED PARTS e Electronic Ignition System e Spark Plug e Catalytic Converter Muffler Assembly e Carburetor complete assembly or replaceable components e Choke e Fuel Injection Assembly or replaceable components e Fuel Tank e Fuel Cap Assembly e Air Filter e Fuel Feed Line and associated clamps connectors as applicable WHAT IS NOT COVERED Any failure caused by abuse neglect improper maintenance unapproved modifications use of unapproved add on parts modified parts or unapproved accessories This Emission Control Warranty is valid only for the U S A it s Territories and Canada 99922201033 01 2010 CS 352 36 NOTES 37 CS 352 NOTES CS 352 38 NOTES 39 CS 352 SERVICING INFORMATION PARTS SERIAL NUMBER 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 Num ber Type 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 p
45. s may include optional equipment and accessories and may not include all standard equipment SYMBOLS AND SIGNS A DANGER CIRCLE AND SLASH SYMBOL The safety alert symbol accompanied by S This symbol means the specific action the word DANGER calls attention to an shown is prohibited Ignoring these act or condition which WILL lead to serious prohibitions can result in serious or personal injury or death if not avoided fatal injury WARNING NOTICE This enclosed message provides tips for use Tne safety alan Symbol accompanled by care and maintenance of the unit the word WARNING calls attention to an act or condition which CAN lead to serious IMPORTANT parsonal Inun or deathinnetavelded The enclosed message provides information necessary for the protection of the unit A CAUTION The safety alert symbol accompanied by the word CAUTION calls attention to an act or condition which may lead to minor or moderate personal injury if not avoided CS 352 4 SYMBOL FORM Symbol form shape Symboldescription application Symbol form shape Symbol description application Read and understand Chain oil fill Operator s Manual Wear eyes ears and head Chain oil pump protection Chain brake operation Chain oiler adjustment Emergency stop Carburetor adjustment Low speed mixture Choke control Cold Start Carburetor adjustment position choke closed Hi
46. talogs are available from your ECHO dealer or at www echo usa com or by contacting ECHO Inc 400 Oakwood Road Lake Zurich IL 60047 800 673 1558 Always check the ECHO Web Site for updated information Safety Videos are available from your Echo dealer A 5 00 shipping charge will be required for each video MEGHO ECHO INCORPORATED 400 Oakwoop Roan LAKE ZURICH IL 60047 1564 www echo usa com C19711005001 C19711999999 C19612020001 C19612999999
47. tative maintenance as outlined in the operators manual is the customer s responsibility Failures due to improper set up pre delivery service or repair service by anyone other than authorized ECHO servicing dealer during the warranty period Certain parts and other items are not warranted including but not limited to lubricants starter cords and engine tune ups Use of spark plugs other than those meeting performance and durability requirements of the OEM spark plug listed in the Operator s Manuals Overheating or carbon scoring failures due to restricted clogged exhaust port or combustion chamber including damage to spark arrester screen Adjustments after the first 30 thirty days and beyond such as carburetor adjustment and throttle cable adjustment Damage to gears or gear cases caused by contaminated grease or oil use of incorrect type or viscosity of lubricants and or failure to comply with recommended grease or oil change intervals Damage caused by loading SHRED N VAC beyond recommended capacity Damage caused by pump or sprayer running dry pumping or spraying caustic or flammable materials or lack of or broken strainers Additional damage to parts or components due to continued use after operational problem or failure occurs Should operational problem or failure occur the product should not be used but delivered as is to an authorized ECHO servicing dealer It is a dealer s and or customer s responsibility to c
48. ter choke control knob is pulled and then knob is returned to original position throttle remains slightly open latch condition eThe chain will attempt to rotate when engine is started with throttle latch engaged Do not start engine before chain brake is activated A CAUTION e After starting the engine squeeze throttle trigger slightly to release throttle latch otherwise brake damage may occur e Never use throttle latch for cutting e Use the throttle latch only in starting WHEN THE ENGINE IS COLD A CAUTION Make sure the bar and chain are free from any obstruction when starting the chain saw e Move chain brake lever fully forward to lock chain e brake before starting Fill the fuel tank with fuel mixture It is not permitted to fill fuel above the shoulder level of fuel tank Fill the chain oil tank with lubricant Do not over fill e Move ignition switch to RUN position Push purge pump 3 to 4 times or until fuel is visible in purge pump e Pull choke control knob all the way out Choke posi tion 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 chain saw as shown and pull starter handle several times until first firing sound e Push choke control knob all the way in e Pull starter handle to start the engine e When engine starts immediately squeeze t
49. tor system must be certified per USDA Forest Service Regula tion SAE J335 Check with your local or state authorities for spe cific regulations in your area Failure to follow these requirements is a violation of the law CORRECT USE OF CHAIN BRAKE Kickback Danger Zone A DANGER Kickback safety precaution for chain saw users 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 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 of fices 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 This model needs to use low kickback chain and bar Do not use a combination other than those speci fied on page 24 For your own safety do not remove the chain brake system 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 0 12 seconds at an engine speed of 13500 r min It is the responsibility of the owner operator to ensure that th
50. ulations In addition the carburetor is equipped with H High Speed and L Low Speed needle adjustment limiters that prevent settings outside acceptable limits 1 2 3 Before adjusting carburetor clean or replace air filter and muffler Spark Arrestor Screen Make sure the bar and chain are properly adjusted Start engine and run several minutes to bring to oper ating temperature Flash choke twice during warm up to clear any air from the fuel system Stop engine Turn H speed needle counterclockwise CCW to stop Turn L speed needle midway between full clockwise CW stop and CCW stop Idle Speed Adjustment e Start engine turn Idle speed adjustment screw CW until the saw chain begins to turn then turn screw out CCW until the saw chain stops turning Turn screw out CCW an additional 1 4 turn A WARNING Cutting attachment must not move when unit is idling 6 Accelerate to full throttle for 2 3 seconds to clear any excess fuel in the engine then return to idle Accelerate engine to full throttle to check for smooth transition from idle to high speed If engine hesitates turn L needle CCW 1 8 turn and repeat acceleration Continue adjustment until smooth acceleration results Check idle speed and reset if necessary as described in item 5 If a tachometer is available idle speed should be set to 3000 r min CAUTION When starti
51. uld hold the front handle 3 Release the front handle and drop the end of the guide bar against the wooden surface 4 The impact should lock the chain brake IMPORTANT When checking the operation of the automatic chain brake use a soft surface substance like wood to provide the impact so the chain is not damaged WINTER OPERATION Use the winter plug to prevent carburetor trouble in winter e Release the cylinder cover latch and remove cylinder cover Remove plug from warm weather position and install into cold weather storage position NOTICE For operation at normal temperature return the plug to its original place 5 C 41 F It causes over heating of the engine CS 352 CHAIN AND GUIDE BAR COMBINATION The following combinations are recommended for model CS 352 Guide Bar Saw chain Length Part No Pitch Part No Links mm in Double Guard mm in 305 12 12A0CD3745 9 53 3 8 91VG45CQ 91P45CQ 45 356 14 14A0CD3752 9 53 3 8 91VG52CQ 91P52CQ 52 406 16 16A0CD3757 9 53 3 8 91VG57CQ 91P57CQ 57 A WARNING 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 replacement guide bar and saw chain that has been designated as meeting the ANSI B175 1 2000 and or CSA Z62 3 requirements All of the guide bar and chain combinati
52. vy duty work gloves to improve your grip on the chain saw handles The gloves also help reduce the transmission of ma chine vibration to your hands HOT HUMID WEATHER e Heavy protective clothing can increase operator fatigue which may lead to heat stroke Schedule heavy work for early morning or late after noon hours when temperatures are cooler AVOID HOT SURFACES e During operation the muffler or catalytic muffler and surrounding cover become hot e Never suspend the saw on a lanyard with the engine running e Always use the saw from the right hand side of your body NEVER from the left side e Always wear proper safety clothing to protect your lower body from sharp saw chain and hot muffler e Always keep exhaust area clear of flammable debris during transportation or when storing otherwise seri ous property damage or personal injury may result SPARK ARRESTOR MUFFLER e The spark arrestor muffler controls the exhaust noise and prevents hot glowing particles of carbon from leaving the muffler Make sure the spark arrestor screen is in good repair and prop erly seated in the muffler e Certain internal combustion engines operated on forest brush and or grass covered areas in the states of Washington Oregon Idaho California Minnesota New Jersey and Maine are required to be equipped with a spark arrestor This requirement also applies to all U S Forest Service lands In some of these areas the spark arres
53. warranty All parts or products replaced under warranty become the property of ECHO Inc This warranty is separate from the Emission control warranty statement supplied with your new product Please consult the Emission Control Warranty Statement for details regarding emission related parts For a list of Authorized ECHO Dealers refer to WWW ECHO USA COM or call 1 800 432 ECHO OWNER S RESPONSIBILITY To ensure trouble free warranty coverage it is important that you register your ECHO equipment on line at WWW ECHO USA COM or by fill ing out the warranty registration card supplied with your unit Registering your product confirms your warranty coverage and provides a direct link if we find it necessary to contact you The owner shall demonstrate reasonable care and use and follow preventative maintenance storage fuel and oil usage as prescribed in the operator s manual Should a product difficulty occur you must at your expense deliver or ship your ECHO unit to an authorized ECHO servicing dealer for warranty repairs within the applicable warranty period and arrange for pick up or return of your unit after the repairs have been made For your nearest authorized ECHO servicing dealer call ECHO s Dealer Referral Center at 1 800 432 ECHO or you can locate an ECHO servicing dealer at WWW ECHO USA COM Should you require assistance or have questions concerning ECHO s Warranty Statement you can contact our Consumer Product Support Departm
54. wever ECHO Inc cannot deny warranty solely for the lack of receipts or for your failure to ensure the performance of all scheduled maintenance As the equipment SORE owner you should be aware that ECHO Inc may deny you warranty coverage if your equipment SORE or a part has failed due to abuse neglect improper maintenance or unapproved modifications You are responsible for presenting your equipment SORE to an ECHO Inc authorized service representative as soon as a problem exists The warranty repairs should be completed in a reasonable amount of time not to exceed 30 days If a warrantable condition exists and there is no Authorized Dealer within 100 miles ECHO Inc will pay to ship the unit to the nearest authorized dealer If you have questions regarding your warranty coverage you should contact ECHO Inc at 1 800 673 1558 web site WWW ECHO USA COM or contact Shindaiwa at 1 877 986 7783 web site WWW SHINDAIWA COM WHAT DOES THIS WARRANTY COVER ECHO Inc warrants that your equipment SORE was designed built and equipped to conform with applicable EPA and C A R B emissions standards and that your equipment SORE is free from defects in material and workmanship that would cause it to fail to conform with applicable requirements for 2 years or the length of the ECHO Inc warranty whichever is longer The warranty period begins on the date the product is purchased by an end user HOW WILL A COVERED PART BE CORRECTED If there is a defect in
55. with the flat file until flat with top of the depth gauge tool Be sure to round off the front edge of the depth gauge Properly filed cutters are shown in illustration When setting of the chain is finished soak it in oil and wash away filings completely before using 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 If the chain saw is operated with filings clogged in the groove the saw chain and the guide bar will be damaged prematurely If the saw chain becomes soiled with resin for instance clean it with kerosene and soak in it oil NOTICE These angles are referred to as Oregon 91P or 91VG To sharpen other follow chain manufacturer s instruction CS 352 TROUBLESHOOTING ENGINE PROBLEM TROUBLESHOOTING CHART Problem Check Status Cause Remedy Fuel at carburetor No fuel at carburetor Fuel strainer clogged Clean or replace Fuel line clogged Clean or replace Carburetor See your Echo dealer Fuel at cylinder No fuel at cylinder See your Echo dealer Muffler wet with fuel Fuel Mixture too rich Open choke Engine Clean replace air filter cranks Adjust carburetor starts hard See your Echo dealer doesn t start Spark at end No spark Stop switch off Turn switch to ON of plug wire Electrical problem See your Echo dealer Interlock switch See your Echo dealer Spark at plug No spark Spark gap incorr
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