Echo CS-300 User Manual Page 1

X7503203102X75000324104/03Chain SawInstruction ManualMODELS : CS-300Serial Number 03001001 - 03999999CS-340Serial Number 03001001 - 03999999CS-345Seri

10STARTING WARM ENGINE• Ensure that there is fuel and chain oil in the tanks. (If fueltank was emptied during previous operation, refill tank andpush

11KickbackCUTTING INSTRUCTIONSGENERAL[NOTE]Read the ECHO “CHAIN SAW SAFETY MANUAL” included withyour chain saw for additional cutting and safety instr

122”45°2”CAUTIONA falling tree can seriously damage anything it may hit - acar, a house, a fence, a power line, or another tree. Thereare ways to make

13Don’t cut with the saw overhead or the bar in a vertical posi-tion. If the saw should kick back you may not have goodenough control to prevent possi

14INFORMATIONKickback Safety FeaturesThe following features are recommended for this model as Kickback Safety Features.• Double Guard Low Kick Type Gu

15MAINTENANCE AND CAREAIR FILTER• Check before every use.• Pull choke (A) all the way out (close position).• Loosen bolt and remove air cleaner (B) co

16SPARK PLUG• Check periodically• Gap = 0.65mm (.026 in.)• Replace if either electrode is worn, or if the insulatoris fouled by oil or other deposits

17BABefore starting the unit for adjustment, check the follow-ing items:• The correct spark plug must be clean and properlygapped.• The air filter ele

18WARNING DANGERUse of replacement saw chain and/or guide bar other than that specified, or operation without the “tip guard” in place, maycause s

1930°85°60°910.64 mm (0.025”)ParallelNumberindicates ChaintypeNumberindicatesChain type91S(SPROCKET)(DRIVE LINK)• Properly filed cutters are shown bel

2RULES FOR SAFE OPERATIONA. Kickback Safety Precaution for Chain Saw UsersWARNING!KICKBACK may occur when the nose or tip of theguide bar touches an o

20Fuel is notreaching carburetorFuel is not reachingcylinderEngine does not start (or, is difficult to start)Engine cranksThere is fuel in the tankFue

21Improper fuel used ... Use fuel with correct mixing ratio. Never usegasoline of poor quality.Spark plug defecti

22Kickback Motion:• When the bar nose hits another tree, etc.• Improper thrust cutting.CORRECT USE OF CHAIN BRAKEThe installation of a chain brake may

23NOTES

CONSUMER PRODUCTSUPPORT1-800-673-15588:30 - 4:30 Mon - Fri C.S.T.ECHO, INCORPORATED400 OAKWOOD R OADLAKE Z URICH, IL 60047www.echo-usa.comSERVICING I

3CONTENTS PageRules for Safe Operation ... 2Techni

4TECHNICAL DATA* Technical data subject to change without notice.ledoM003-SC043-SC543-SCnoisnemiDHxWxLmm022x532x062542x532x083hcni7.8x2.9x2.016.9x2.9x

5DESCRIPTIONThe ECHO product you purchased has been factory pre-assembled for your convenience. Due to packagingrestrictions, guide bar and saw chain

61. Hand guard(Chain brake actuating lever)2. Throttle control lockout3. Throttle control trigger4. Sprocket guard5. Chain catcher6. Air cleaner cover

7BAPREPARATION FOR USEUPThe machine may be delivered with guide bar (A), tipguard, and saw chain (B) separated. Install guide bar, tipguard, and saw c

8FUEL STATEMENTGASOLINE - Use 89 Octane [R+M/2] (mid grade or higher)gasoline or gasohol known to be good quality. Gasohol maycontain up to 10% Ethyl

9CS-345CS-300CS-340AABCSecurely hold the saw.OPERATIONWHEN THE ENGINE IS COLD• Move chain brake lever fully forward to engage chain brakebefore starti