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3

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X7503206101

X750009891

11/08

  WARNING

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

MODEL :

CS-341

P

aCking

 l

isT

the ECHO product you purchased has been factory pre-assembled for your convenience. Due to packaging restric-

tions, 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 Dealer of damaged or missing 

parts.  Use the contents list to check for missing parts.

COnTenTs

  1  -  Cs-303t Power Head 

  1  -  guide Bar

 *

1   -  kick guard

  1  -  Hex Head Bolt

  1  -  Hex nut

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1  -  saw Chain

  1  -  instruction Manual

  1  -  safety Manual

  1  -  Emission Control Warranty statement

  1  -  Warranty Registration Card

  1  -  assembly tool (s)

  1  -  Echo Power BlendX 

tM

 2-stroke oil sample

the machine may be delivered with guide bar and  

saw chain

 

assembled.

Summary of Contents for Instruction Manual

Page 1: ...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...

Page 2: ...STORAGE AFTER USE 29 Technical Data 30 Warranty Statements 31 Servicing Information 36 Copyright 2013 By Echo Incorporated All Rights Reserved This chain saw is designed for cutting wood or wood prod...

Page 3: ...ic tions 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 Dealer of damaged or missing parts...

Page 4: ...ral steps to keep your cutting jobs free from accident or injury 1 With a basic understanding of kickback you can reduce or eliminate the element of surprise Sudden surprise contributes to accidents 2...

Page 5: ...practice while cutting a small tree push the lever forward to lock the brake Confirm that the brake works properly before each use If the chain brake is clogged with wood chips func tion of the brake...

Page 6: ...in 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 manu...

Page 7: ...nds wrists or arms The sooner RSI CTS is diagnosed the more likely permanent nerve and muscle damage can be prevented EYE AND HEARING PROTECTION Wear eye protection goggles that meet ANSI Z 87 1 requi...

Page 8: ...chain saw Chain oiler adjustment Purge pump Hot surface Chain oil fill STOP SYMBOLS AND SIGNS WARNING The safety alert symbol accompanied by the word WARNING calls attention to an act or condition whi...

Page 9: ...ble emissions regulations provided that approved mainte nance procedures are followed as listed in the Maintenance Section of this manual The emission control system for the engine is EM en gine modif...

Page 10: ...cleaner cover 7 Purge bulb 8 Guide bar 9 Saw chain 10 Choke Knob Nomenclature of Parts 1 2 4 5 6 8 9 11 15 17 18 3 7 10 12 13 14 16 19 20 21 11 On Off switch 12 Fuel tank cap 13 Pull starter 14 Oil ta...

Page 11: ...n are installed 3 Remove guide bar and saw chain if necessary NOTE See MAINTENANCE AND CARE instructions for guide bar sprocket and saw chain maintenance 4 Mount guide bar G on studs and slide toward...

Page 12: ...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 unin...

Page 13: ...ons 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...

Page 14: ...bar and chain clear of all obstacles 5 Turn switch A to RUN position I 6 Pull choke B all the way out closed position 7 Push purge bulb C 10 times 8 Pull starter handle several times until first firi...

Page 15: ...in throttle lock button D 5 While depressing the throttle lock button release the throttle trigger and then release the lock button 6 Turn switch A to RUN position I 7 Pull starter handle A D NOTE Do...

Page 16: ...rottle trigger and turn switch A to STOP O position 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...

Page 17: ...amiliar 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 s...

Page 18: ...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...

Page 19: ...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 t...

Page 20: ...cified Reduced nose radius symmetrical bars OREGON name Double Guard SAW CHAIN Low kickback CAUTION Do not use replacement saw chain unless it has been designated as meeting the ANSI B175 1 and or CSA...

Page 21: ...CHO offers 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 MO...

Page 22: ...nd chain are properly adjusted 3 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 4 Stop engine Remove gro...

Page 23: ...il 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 gasoli...

Page 24: ...orrosive 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 insulat...

Page 25: ...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 arrestor system must be certified per USDA Fo...

Page 26: ...es 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 check for exhaust leaks between muffler and cylinder head Stop eng...

Page 27: ...ufficient 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...

Page 28: ...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 n a e l C e c a l p e r r o n a e l C g u l p e c a l p e R s n u r e n i g n E r o s e i d t u b t o n s e o d e t a r e l e c c a y...

Page 29: ...ow engine to cool then remove the spark plug and pour 7 cc 1 4 oz of fresh clean two stroke engine oil into the cylinder through the spark plug hole Store in a dry area free from dust WARNING Do not s...

Page 30: ...soline Use89Octaneunleaded Donotusefuelcontaining methyl alcohol more than 10 ethyl alcohol or 15 MTBE Do not use alternative fuels such as E 15 or E 85 Tank Capacity 25 L 8 5 fl oz U S Oil Power Blen...

Page 31: ...ncome producing use will be covered by this limited warranty for ve 5 years from date of purchase EXCEPTIONS For two stroke engine powered products the electronic ignition module flexible drive cables...

Page 32: ...s 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...

Page 33: ...33 notes...

Page 34: ...34 notes...

Page 35: ...35 notes...

Page 36: ...en 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 ma...

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