Echo CS-680 User Manual

INSTRUCTION MANUALCHAIN SAW WARNINGRead the instructions carefully and follow the rules for safeoperation.Failure to do so could result in serious i

8CS-680VIBRATION AND COLD• It is believed that a condition called Raynaud’sPhenomenon, which affects the fingers of certainindividuals, may be brought

9CS-680SPARK ARRESTOR MUFFLER• The spark arrestor muffler controls the exhaustnoise and prevents hot, glowing particles ofcarbon from leaving the muff

10CS-680PREPARATION FOR USE WARNINGSaw chain is sharp! Always wear gloveswhen handling assembly, otherwise seriouspersonal injury may result.GUIDE B

11CS-6807. Turn saw over, and check brake band for correctposition on clutch drum. If brake band is not inplace around drum, remove cover, make surebr

12CS-680FUEL AND LUBRICANTFuel Mix Chart 50 : 1US. METRICGasoline Oil Gasoline OilGallons US. fl. oz. L mL1 2.6 4 802 5.2 8 1605 12.8 20 400FUEL STATE

13CS-680HANDLING FUELMIXING INSTRUCTIONS -1. Fill an approved fuel container with half of therequired amount of gasoline.2. Add the proper amount of t

14CS-680CHAIN LUBRICANTProper lubrication of the chain while in operationreduces the friction between the chain and theguide bar to a minimum and assu

15CS-680WHEN THE ENGINE IS COLD CAUTIONMake sure the bar and chain are free fromany obstruction when starting the chain saw.• Move chain brake lever

16CS-680RUNNING• When engine starts, keep idling for a fewminutes.• Set the brake lever in the unlocked positionbefore starting to cut.• Pull throttle

17CS-680CUTTING INSTRUCTIONGENERAL CAUTION• Read the ECHO “CHAIN SAW SAFETYMANUAL” included with your chain saw foradditional cutting and safety ins

Copyright © 2008 All Rights Reserved.The engine exhaust from thisproduct contains chemicals knownto the State of California to causecancer, birth d

18CS-680FELLING THE TREEA falling tree can seriously damage anything it mayhit - a car, a house, a fence, a power-line, oranother tree.There are ways

19CS-680LIMBINGLimbing a fallen tree is much the same as bucking.Never stand on the tree that you are limbing.When limbing, caution is the word.Be car

20CS-680CHAIN BRAKE OPERATION• Set the lever in the unlocked position beforestarting to cut.• If the brake is tripped by kickback reaction, thechain w

21CS-680End of the guide bar may be placed at theheight of about 35 cm (14 in.).35 cm(14 in.)Rear handle should be gripped lightly with theright hand.

22CS-680Guide Bar Saw chainLength ECHO Part No. Pitch Type Linksmm (in.) Double Guard Symmetrical mm (in.) OREGON406 (16) 16D0PD3860 16D0PS3860 9.53 (

23CS-680MAINTENANCE AND CAREIMPORTANTTime intervals shown are maximum.Actual use and your experience will determinethe frequency of required maintenan

24CS-680CARBURETOR ADJUSTMENTEvery unit is run at the factory and the carburetor isset in compliance with Emission Regulations. Inaddition, the carbur

25CS-6800.65 mm (0.026 in.)AIR FILTER• Check before every use.• Release the cleaner cover latch, and remove aircleaner cover and filter.• Brush off du

26CS-680Worn : 0.5 mm (0.020 in.)GrooveOil holeGUIDE BAR• Clean before using.- Clean the groove of the guide bar with a smallscrewdriver.- Clean oil h

27CS-680SETTING THE SAW CHAINSharpen lower edgeDrive linkTie strapRight hand cutterPreset tie strapLeft hand cutterGuard linkTop plateSide plateDepth

1CS-680RULES FOR SAFE OPERATIONA. Kickback Safety Precautions for Chain Saw Users 1.With a basic understanding ofkickback, you can reduce or eliminat

28CS-680• Place the depth gauge tool firmly on guidebar so that depth gauge protrudes.Then file top of depth gauge with the flat file untilflat with t

29CS-680TROUBLESHOOTINGProblemEngine — hard to start Cause Remedy— does not startEngine Fuel at No fuel • Fuel filter clogged • Clean or replacecranks

30CS-680MODEL CS-680Dimension L × W × H mm 435 × 236 × 302 (17.1 in. × 9.3 in. × 11.9 in.)Mass Power head, dry kg 6.6 (14.5 lb.) Without chain and gu

2CS-680 1. Do not operate a chain saw with onehand! Serious injury to the operator,helpers, bystanders, or anycombination of these persons mayresult f

3CS-680CONTENTS WARNINGThe safety alert symbol accompanied by theword “WARNING” calls attention to an act orcondition which CAN lead to seriousperso

4CS-680TO AVOID KICKBACK1. Hold the chain saw firmly with bothhands.2. Don’t let the nose of the guidebar contact any obstruction.3. Tip contact may s

5CS-680PACKING LISTThe ECHO product you purchased has beenfactory pre-assembled for your convenience. Due topackaging restrictions, guide bar and saw

6CS-680NOMENCLATURE OF PARTS * If a decal cannot be read, a new one can beordered from your ECHO dealer.2154781011121314211617182031915622923890191-

7CS-680NOMENCLATURE OF PARTS1. Instruction manual - Included with unit.Read before operation and keep for futurereference to learn proper, safe operat