Echo CS-303T Instruction Manual Download Page 1

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inSTRUCTion ManUaL

CHain Saw

CS-303T

WARNING

This chain saw is designed especially for tree service by a trained
operator.
Read the instructions carefully and follow the rules for safe
operation.
Failure to do so could result in serious injury.

X750 320-890 1

echo, incorporated

400 Oakwood Road, Lake Zurich, Illinois 60047-1564
Phone : 847-540-8400

1508D 0504 ES

Printed in Japan

Summary of Contents for CS-303T

Page 1: ...tree service by a trained operator Read the instructions carefully and follow the rules for safe operation Failure to do so could result in serious injury X750 320 890 1 echo incorporated 400 Oakwood...

Page 2: ...Copyright 2015 All Rights Reserved The engine exhaust from this product contains chemicals known to the State of California to cause cancer birth defects or other reproductive harm WARNING...

Page 3: ...for the saw chain 7 Only use replacement bars and chains specified by the manufacturer or the equivalent WARNING KICKBACK may occur when the nose or tip of the guide bar touches an object or when the...

Page 4: ...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...

Page 5: ...SYMBOLS AND SIGNS 3 PACKING LIST 5 NOMENCLATURE OF PARTS 6 OPERATOR SAFETY 8 CORRECT USE OF CHAIN BRAKE 9 PREPARATION FOR USE 10 FUEL AND LUBRICANT 12 EMISSION DATA 14 OPERATION 15 CUTTING INSTRUCTION...

Page 6: ...t shown in the instruction manual Symbol form shape Symbol description application Symbol form shape Symbol description application WARNING Read and follow all safety precaution in the instruction man...

Page 7: ...allation 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 packing list to check for mis...

Page 8: ...07420 X532 003530 19 14 Part Number X505 002310 Part Number X532 003530 REPLACEMENTBARANDCHAIN GUIDE BAR CHAIN PART NO PART NO 12 12A0CD3745 91PX45CQ 14 14A0CD3752 91PX52CQ Note There may be other rep...

Page 9: ...ed from the guide bar during cutting 11 Guide bar The part that supports and guides the saw chain 12 Saw chain Chain serving as a cutting tool 13 Bar tip guard Anti kickback device attached on the bar...

Page 10: ...r twisted position Take periodic breaks to minimize repetition and rest your hands Reduce the speed and force in which you do the repetitive movement Do exercises to strengthen hand and arm muscles Se...

Page 11: ...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 l...

Page 12: ...nches until snug Make certain Kick Guard is 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 AND SAW CHAIN INSTALLATION RE...

Page 13: ...is not in place on clutch drum Always check chain brake operation after replacing cover Do not use saw if chain brake does not function properly ADJUSTING CHAIN TENSION IMPORTANT Always loosen clutch...

Page 14: ...instructions in the Storage section of this manual Fuel Mix Chart 50 1 U S Metric Gasoline Oil Gasoline Oil Gallons US fl oz L mL 1 2 6 4 80 2 5 2 8 160 5 12 8 20 400 FUEL AND LUBRICANT FUEL STATEMENT...

Page 15: ...fuel than you expect to use in thirty 30 days ninety 90 days when a fuel stabilizer is added Stored two stroke fuel may separate Always shake fuel container thoroughly before each use After Use Do not...

Page 16: ...on label varies by engine family PRODUCT EMISSION DURABILITY EMISSION COMPLIANCE PERIOD The 300 hours emission compliance period is the time span selected by the manufacturer certifying the engine emi...

Page 17: ...pump Pull choke control knob all the way out Choke position Securely hold the chain saw as shown When starting the chain saw place the unit on a flat ground and hold the front handle with left hand an...

Page 18: ...y Chain brake unlocked position CAUTION 1 When using throttle latch for starting keep the brake in lock position 2 After starting the engine immediately squeeze and release throttle trigger for diseng...

Page 19: ...gnition switch in Stop position NOTICE If engine does not stop turn choke control knob counterclockwise to stop engine Return the unit to your authorized ECHO dealer to check and repair ignition switc...

Page 20: ...your best aid will be your own good common sense 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 s...

Page 21: ...te 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 c...

Page 22: ...ake 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 s...

Page 23: ...a fast idle Slowly operate the chain brake lever while holding the saw firmly on the ground When the brake lever trips the chain should stop Immediately release the throttle trigger WARNING If the cha...

Page 24: ...d 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 should hold the front handle 3 Release the front handle and drop the...

Page 25: ...e radius as a sprocket nose bar SAW CHAIN Low kickback CAUTION Do not use replacement saw chain unless it has been designated as meeting the ANSI B175 1 kickback performance requirements when tested o...

Page 26: ...for that task Ask your ECHO dealer for these parts MAINTENANCE INTERVALS Maintenance Procedure Letter Codes I Inspect C Clean R Replace Maintenance Procedure Notes 1 Low evaporative fuel tanks DO NOT...

Page 27: ...ess 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 accelerat...

Page 28: ...the standard gap Fastening torque 15 to 17 N m 130 to 145 in lb FUEL FILTER Check periodically Do not allow dust to enter fuel tank A clogged filter will cause difficulty in starting engine or abnorma...

Page 29: ...r and screen from muffler body Clean carbon deposits from muffler components Replace screen if it is cracked or has holes burned through Inspect the gasket replace if damaged Assemble components in re...

Page 30: ...ht 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 Drive link serves to remo...

Page 31: ...fficient 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 p...

Page 32: ...xture is too rich Open choke Clean replace air filter Adjust carburetor Ask your ECHO dealer Spark at end of plug wire No spark at end of plug wire Ignition switch off Turn switch on Electrical proble...

Page 33: ...manual has become illegible or is lost please purchase a new one from your ECHO dealer STORAGE AFTER USE Inspect and adjust every part of the chain saw Completely clean every part and repair if neces...

Page 34: ...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 alt...

Page 35: ...ducing 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 so...

Page 36: ...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 failure...

Page 37: ...T and EASY NOTE your information will never be sold or misused by ECHO Inc Registering your purchase enables us to contact you in the unlikely event of a service update or product recall and verifies...

Page 38: ......

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