Echo CS-341 Instruction Manual Download Page 4 | Manualshive

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Rules for Safe Operation

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Technical Data ..................................................................................................................5

Emission Data

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Description........................................................................................................................6

Nomenclature of Parts

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Preparation for Use ..........................................................................................................8
Fuel and Lubricant ............................................................................................................9

Operation

........................................................................................................................ 11

Cutting Instructions .........................................................................................................14
Maintenance and Care ...................................................................................................17
- Carburetor Adjustment ................................................................................................ 22

- High Altitude Operation

............................................................................................. 22

Chain and Guide Bar Combinations ...............................................................................23
Troubleshooting ..............................................................................................................25
Storage ...........................................................................................................................26
Correct Use of Chain Brake............................................................................................26
Warranty Statements ......................................................................................................28

Servicing Information

......................................................................................................32

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Summary of Contents for CS-341

Page 1: ...d others if the unit is used im properly 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 Chain Saw Instruction Manual MODEL CS 341 ...

Page 2: ...d pinches the saw chain in the cut Tip contact in some cases may cause a lightning fast reverse REACTION Kicking the guide bar up and back towards the operator Pinching the saw chain along the top of the guide bar may push the guide bar rapidly back towards the operator Either of these reactions may cause you to lose control of the saw which could result in serious personal injury The Kick Guard d...

Page 3: ... a loose or defective muffler Do not remove the spark arrestor screen WARNING Using improper replacement components or removing safety devices may result in serious or fatal injury WARNING 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 t...

Page 4: ...clature of Parts 7 Preparation for Use 8 Fuel and Lubricant 9 Operation 11 Cutting Instructions 14 Maintenance and Care 17 Carburetor Adjustment 22 High Altitude Operation 22 Chain and Guide Bar Combinations 23 Troubleshooting 25 Storage 26 Correct Use of Chain Brake 26 Warranty Statements 28 Servicing Information 32 ...

Page 5: ...l alcohol or 15 MTBE Do not use alternative fuels such as E 15 or E 85 Oil Power Blend X TM Premium Universal 2 Stroke Oil Tank Capacity 0 26 L 9 0 fl oz U S Bar and chain ECHO bar and chain oil or motor oil Tank Capacity 0 15 L 5 fl oz U S Lubrication Adjustable automatic oil pump Guide bar Saw chain 14 in Standard 12 16 in Optional Standard features Top Handle Front hand guard Anti vibration dev...

Page 6: ...ead and understood for proper and safe operation ChainSaw Instruction Manual MODEL CS 341 An Emission Control Label is located on the engine This is an EXAMPLE ONLY information on label varies by engine FAMILY Emission Control exhaust evaporative EPA 2010 and Later and or C A R B TIER III PRODUCT EMISSION DURABILITY EMISSION COMPLIANCE PERIOD The 300 hour emission compliance period is the time spa...

Page 7: ...D CHAIN 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 GUIDE BAR CHAIN PART NO TYPE LINKS 12 12A0CD3745 OREGON 91VG 45 14 14A0CD3752 OREGON 91VG 52 16 16A0CD3757 OREGON 91VG 57 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Chain brake must be unlocked before remov...

Page 8: ...E The machine may be delivered with guide bar tip guard and saw chain separated Install guide bar tip guard and saw chain as follows guide bar and saw chain install remove warning Saw Chain is sharp Always wear gloves when handling assembly otherwise serious personal injury may result NOTE Move chain brake lever fully rearward to remove or install clutch cover to saw IMPORTANT Always loosen guide ...

Page 9: ...uels not meeting ECHO requirements are NOT approved for 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 carburetors and other engine components ...

Page 10: ...ions Some states may require the use of automatic fuel shut off containers to reduce fuel spillage 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 precaution store fuel in an approved airtight container Store in ...

Page 11: ...ation 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 WARNING The ignition components of this machine gen...

Page 12: ...n switch A to RUN position I 6 Pull starter handle 7 When engine starts immediately squeeze throttle trigger to release the latch otherwise damage to clutch may result NOTE Do not pull starter rope out to the maximum possible position Do not allow recoil handle to snap back against the casing A B C Securely hold the saw 11 B C 5 Turn switch A to RUN position I 6 Pull choke B all the way out closed...

Page 13: ...trigger is released stopping 1 Release throttle trigger and turn switch A to STOP O posi tion 2 Move chain brake lever fully forward to lock chain brake NOTE If engine does not stop pull choke out fully to stop engine Return the unit to your authorized ECHO dealer to check and repair stop switch before starting the engine again A starting warm engine 1 Ensure that there is fuel and chain oil in th...

Page 14: ...liar 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 N...

Page 15: ...h 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 ...

Page 16: ...t 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 I...

Page 17: ... REPOWERTM Maintenance Kits and Parts to make your maintenance job easier maintenance intervals COMPONENT SYSTEM MAINTENANCE PROCEDURE REQ D SKILL LEVEL DAILY OR BEFORE USE EVERY REFUEL 3 MONTHS OR 90 HOURS YEARLY 600 HOURS Air Filter Inspect Clean 1 I C R Automatic Oiler Inspect Adjust 1 I Oil Filter Inspect Replace 1 I I C Fuel System Inspect Replace 1 I 1 I 1 Fuel Filter Inspect Replace 1 I I R...

Page 18: ... oil strainer will affect the normal lubricating system Pick it up through oil port If the 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 fuel strainer 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 fu...

Page 19: ...corrosive Thoroughly wash the guide bar and sprocket areas after each use then coat metal parts with light oil Check periodically Gap 0 65mm 026 in Replace if either electrode is worn or if the insulator is fouled by oil or other deposits Torque 150 170 kgf cm 130 150 in lbf IMPORTANT Do not over torque spark plug G H J guide bar and oil holes Clean after each use Clean the grooves G of the guide ...

Page 20: ...onents NOTE When cleaning carbon deposits be careful not to dam age the catalytic element inside muffler 4 Replace screen if it is cracked plugged or has holes burned through 5 Assemble components in reverse order cooling system cleaning Remove spark plug lead Remove two 2 muffler cover screws and muffler cover Remove four 4 recoil starter housing screws and starter housing Use a stiff bristle cle...

Page 21: ...aping tool to clean deposits from cylinder exhaust ports E 6 Install muffler gasket D muffler C eyeplate B and muffler bolts A Tighten bolts to 60 70 kgf cm 50 60 in lbf 7 Connect spark plug lead 8 Start engine and allow unit to warm up at idle for several minutes 9 Stop engine and re tighten bolts to to 60 70 kgf cm 50 60 in lbf 10 Install muffler cover and tighten screws 11 Start engine and chec...

Page 22: ...t be readjusted to operate properly at altitudes below 2000 feet 1 Start engine and run for several minutes to reach operat ing temperature 2 Stop engine Remove grommet cover A over H and L limiter needles 3 Start engine and turn the high speed needle rich CCW until the engine runs between 11 500 and 12 000 RPM Then turn the low speed needle rich CCW until the en gine does not hesitate when accele...

Page 23: ...ted on the representative sample of chain saws below 3 8 C I D and the Echo guide bar specified 4 Idle Speed Adjustment 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 5 Accelerate to full throttle for 2 3 seconds to clear excess fuel from engine then return to idle Accelerate to ful...

Page 24: ...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 it in oil Place the depth gauge tool firmly on guide bar so that depth gauge protrudes Then ...

Page 25: ... N f f o h c t i w s p o t S m e l b o r p l a c i r t c e l E h c t i w s k c o l r e t n I N O o t h c t i w s n r u T r e l a e d o h c E r u o y e e S r e l a e d o h c E r u o y e e S g u l p t a k r a p S k r a p s o N t c e r r o c n i p a g k r a p S n o b r a c h t i w d e r e v o C l e u f h t i w d e l u o F e v i t c e f e d g u l P n i 6 2 0 0 m m 5 6 o t t s u j d A e c a l p e r r o...

Page 26: ...k Motion When the bar nose hits another tree etc Function When the lever is pushed forward chain brake instantly works to stop the chain 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 remo...

Page 27: ...id damage to the chain If the chain does not stop immediately return the saw to your authorized Echo dealer for repair INSTALLATION Echo recommends that the chain brake should be serviced by an authorized Echo servicing dealer OPERATION Set the lever in the unlocked position before starting to cut If the brake is tripped by kick back reaction the chain will stop Immediately release the throttle to...

Page 28: ...ncome producing use will be covered by this limited warranty for five 5 years from date of purchase EXCEPTIONS 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 r...

Page 29: ...es stale fuel including failure to provide or perform required maintenance services as prescribed in the operator s manual Preventative 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 a...

Page 30: ...gned 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 COVERE...

Page 31: ...31 notes ...

Page 32: ...available on our Web Site When presenting your unit for Warranty service repairs proof of purchase is required 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 am to 4 30 pm Central Standard Time Monday through Friday Be...

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