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Echo CS-301, Instruction Manual, Page: 3 / 28

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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 

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 the items 

listed in the Instruction Manual mainte-

nance instructions, should be performed 

by competent chain saw 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 J335b are Standard on ECHO 

Chain saws to reduce the possibility of for-

est fires. Do not operate the chain saw with 

a loose or defective muffler. Do not remove 

the spark arrestor screen.

WARNING  

  DANGER

• 

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, 

otherwise serious property damage or personal injury may result.

WARNING  

  DANGER

  Using improper replacement components or removing safety devices may result in serious or fatal injury.

Summary of Contents for CS-301

Page 1: ...ANGER Read rules for safe operation and instructions carefully ECHO provides an Instruc tion Manual and a Safety Manual Both must be read and understood for proper and safe operation Chain Saw Instruction Manual MODELS CS 301 CS 341 CS 346 ...

Page 2: ...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 in a majority of cutting operations and is especially r...

Page 3: ... performed by competent chain saw 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 appro...

Page 4: ...and Lubricant 9 Operation 11 Cutting Instructions 13 Maintenance and Care 16 Chain and Guide Bar Combinations 21 Troubleshooting 23 Storage 24 Correct Use of Chain Brake 26 Servicing Information 28 Carburetoradjustment Idle speed Carburetoradjustment High speed mixture Wear eyes ears and head protection Carburetoradjustment Low speed mixture Gasoline and oil mixture Symbolform shape Symboldescript...

Page 5: ...B T M 5 1 r o l o h o c l a l y h t e 0 1 n a h t e r o m y t i c a p a C k n a T L S U z o l f 0 9 6 2 0 l i O n i a h c d n a r a B l i o r o t o m r o l i o n i a h c d n a r a b O H C E y t i c a p a C k n a T L S U z o l f 5 5 1 0 n o i t a c i r b u L p m u p l i o c i t a m o t u a e l b a t s u j d A r a b e d i u G n i a h c w a S d r a d n a t S n i 2 1 d r a d n a t S n i 4 1 d r a d n ...

Page 6: ...sembled IMPORTANT ENGINE INFORMATION ENGINE FAMILY 6EXHS 0334CA DISPLACEMENT 30 1 cc EMISSION COMPLIANCE PERIOD 300 Hours THIS ENGINE MEETS U S EPA PH2 AND 2005 2006 CALIFORNIA EMISSION REGULATIONS FOR SOREs REFER TO OWNER S MANUAL FOR MAINTENANCE SPECIFICATIONS AND ADJUSTMENTS emission control EPA Phase 2 California Tier II The emission control system for these engines are EM TWC Engine Modificat...

Page 7: ...ad que se entregan escritos en español REPLACEMENTBARANDCHAIN 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 P N X524000792 GUIDE BAR CHAIN PART NO TYPE LINKS 12 12A0CD3745 OREGON 91VG 45 14 14A0CD3752 OREGON 91VG 52 16 16A0CD3757 OREGON 91VG 57 P N 89016006361 CS 301 ...

Page 8: ...e bulb 19 Kick guard 20 Spark Plug 21 Guide Bar Nuts 22 Rear Handle 23 Choke 21 22 23 1 2 9 22 10 19 advertencia peligro Esta unidad puede ser peligrosa y producir lesiones person ales graves si no se usa en forma adecuada Para reducir el riesgo de lesioarse los operadores los ayudantes y los espectadores deben leer y comprender el Manual Del Operador y los Manuales De Seguridad que se entregan es...

Page 9: ... until snug Make certain Kick Guard is flush against guide bar guide bar and saw chain install remove warning danger 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 bar nuts before turning chain tension adjuster otherwise clutch...

Page 10: ...O 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 Gasoline Use 89 Octane R M 2 mid grade or higher gasoline or gasoh...

Page 11: ...missions 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...

Page 12: ... Pull starter handle again NOTE If engine does not start after 5 pulls repeat instructions when engine is hard to start warning danger Clutchengagesandchainmayrotatewhenengineisstarted with throttle control latch engaged Never use the throttle control latch for cutting Use only when starting the engine 1 Ensure that there is fuel and chain oil in the tanks 2 Move chain brake lever fully forward to...

Page 13: ...t NOTE If saw chain moves adjust carburetor according to Carburetor Adjustment instructions in this manual or see your dealer After engine starts allow it to return to idle Move chain brake lever fully rearward to unlock chain brake Press throttle control lockout then gradually squeeze throttle trigger to increase engine speed Saw chain starts moving when the engine reaches approxi mately 4200 rpm...

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: ...rough 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 ...

Page 16: ...less 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 danger KICKBAC...

Page 17: ...intenance MAINTENANCE PROCEDURE NOTES All recommendations to replace are based on the finding of damage or wear during inspection Maintenance and Care Your ECHO unit is designed to provide many hours of trouble free service Regular scheduled maintenance will help your unitr 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 Se...

Page 18: ...rom the factory Always check oil discharge when in use Turn adjusting screw D counter clockwise to increase oil volume clockwise to decrease oil volume oil strainer 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 If the strainer E is dirty wash it in gasoline When the inside of the tank gets dirt...

Page 19: ...arecorrosive Thoroughlywash 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 kg cm 130 150 in lb IMPORTANT Do not over torque spark plug Worn 0 5 mm J G H J guide bar and oil holes Clean after each use Clean the grooves G...

Page 20: ...d 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 cleaning brush do not us a metal brush to remove dirt from cylinder fins in muffler and ignition coil areas Cylinder Exhaust Port IMPORTANT The cylinder exhaust port mu...

Page 21: ... 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 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 adjustment 6 Install grommet cov...

Page 22: ...he tip guard in place may cause severe kickback resulting in serious injury Only use saw chain designated as LOW KICKBACK that meets the ANSI B175 1 2000 Standard when tested on the representative sample of chain saws below 3 8 C I D and the Echo guide bar specified L E D O M R A B H T G N E L K C A B K C I K W O L R A B D R A U G N I A H C W A S K C A B K C I K W O L K C I K D R A U G N P R A B N...

Page 23: ...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 24: ...t fast idle until engine does not smoke Bearing damaged Disassemble and replace Piston and or cylinder seized Disassemble and replace Crankshaft worn Disassemble and replace Crankshaft contacting crankcase Disassemble and replace T R A H C G N I T O O H S E L B U O R T M E L B O R P E N I G N E m e l b o r P k c e h C s u t a t S e s u a C y d e m e R e n i g n E s k n a r c d r a h s t r a t s t ...

Page 25: ...ssary Apply thin coating of oil on metal parts to prevent rust Drain fuel tank pull starter slowly a few times to drain fuel from carburetor 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 Store in a dry area free from dust WARNING DANGER Fuel vapors are extremely flammable and may cause fire and or explosion Nev...

Page 26: ... 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 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...

Page 27: ...27 notes ...

Page 28: ... 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 Before calling please know the model and serial number of your unit to help your Consumer Product Support Representative warranty card This card is our means of registering all original owners of ECHO equipment The card plus proof of purch...

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