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9

Machine conditions

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Do not operate a chain saw that is damaged, improperly adjusted, or not completely and 
securely assembled.
Do not operate the chain saw with a loose or defective silencer.
Be sure that the saw chain stops moving when the throttle control trigger is released.

Cutting

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Do not operate a chain saw in a tree unless you have been specifically trained to do so.

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Keep all parts of your body away from the saw chain when the engine is running.

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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.

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Stay on the uphill side when bucking or limbing logs which might roll when cut.

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When cutting a limb that is under tension, be alert for spring-back so that you will not be 
struck by the limb or chain saw when the tension in the wood fibres is released.

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Cutting while on a ladder is extremely dangerous because the ladder can slip and your 
control of the chain saw is limited.
Working aloft should be left to professionals.

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Keep both feet on the ground. 
Do not work from off-the-ground positions.

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Stop the engine before setting the chain saw down.

Wood practices

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Operating a chain saw safely requires a chain saw in proper working order, sound 
judgement, and knowledge of the methods which should be applied in each cutting 
situation.

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Do not let any person use your saw unless he has read this operator's manual and fully 
understands its instructions.

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Use your saw only to cut wood or wood products. 
Do not cut solid metal, sheet metal, plastics or any non-wood materials.

Services

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All chain saw service operations, other than items listed in the operator's manual 
maintenance instructions, should be performed by competent service personnel.
(For example, if an improper tool is used to hold the flywheel in order to remove the 
clutch, structural damage to the flywheel could occur and subsequently could cause the 
flywheel to burst.)

 WARNING

Do not modify a chain saw in any way.
Only attachments and parts supplied by ECHO or expressly approved by ECHO for
use with the specific ECHO chain saw models are authorized.
Although certain unauthorized attachments are useable with the ECHO powerhead,
their use may, in fact, be extremely dangerous.

 CAUTION

Do not touch hot surfaces of cylinder cover and silencer after you used the chain saw.

Summary of Contents for CS-680

Page 1: ...ATOR S MANUAL CHAIN SAW ENGLISH Original instructions FRAN AIS DEUTSCH ITALIANO ESPA OL WARNING Read the instructions carefully and follow the rules for safe operation Failure to do so could result in...

Page 2: ...m your ECHO dealer When renting or lending this machine to a person who will operate it always include this operator s manual which provides explanation and instructions When transferring a product pl...

Page 3: ...in brake 16 Chain brake 16 Checking the brake function of the brake 17 Release the chain brake 17 Non manual chain brake 17 Cutting instruction 18 General 18 Felling a tree 19 Limbing 20 Bucking 20 Te...

Page 4: ...ntenance of the unit Symbol form shape Symbol description application Symbol form shape Symbol description application Carefully read the operator s manual Chain oiler adjustment Wear eyes ears and he...

Page 5: ...rneath it ECHO advises wearing hearing protection at all times If not followed hearing loss can occur You should reduce the risk of hearing damage by wearing either headset type protectors or ear plug...

Page 6: ...starting or cutting with the chain saw Keep bystanders and animals out of the work area Do not let anyone hold wood for you to cut Do not start cutting until you have a clear work area secure footing...

Page 7: ...hain saw skating or skidding which can result in personal injury due to loss of control Keep a good firm grip on the saw which both hands with the right hand on the rear handle and the left hand on th...

Page 8: ...elieved that over using the muscles and tendons of the fingers hands arms and shoulders may cause soreness swelling numbness weakness and extreme pain to the areas just mentioned To reduce the risk of...

Page 9: ...not work from off the ground positions Stop the engine before setting the chain saw down Wood practices Operating a chain saw safely requires a chain saw in proper working order sound judgement and k...

Page 10: ...ct with a tree or log 12 Decompression device Device for lowering the compression in the cylinder to aid starting 13 Oil tank cap For closing the oil tank 14 Starter handle The grip of the starter for...

Page 11: ...utch cover over the guide bar studs Tighten two nuts finger tight Ensure that chain tension adjuster fits into bar hole Hold the bar nose up and turn the adjuster clockwise until the chain fits snugly...

Page 12: ...ol with care it is highly inflammable Always store fuel in approved container Chain lubricant Proper lubrication of the chain while in operation reduces the friction between the chain and the guide ba...

Page 13: ...he way in Press the decompression device and pull starter handle again WARNING After choke control knob is pulled and then knob is returned to original position throttle remains a little open latch co...

Page 14: ...e remains a little open latch condition Running 1 Chain brake RELEASED position 2 Throttle trigger lockout 3 Throttle trigger 4 Manual oiler button After engine starts allow it to idle for a few minut...

Page 15: ...iarize yourself with your chain saw before you start actual cutting For this purpose it may be wise to practice by cutting some small logs or limbs several times Do not allow either people or animals...

Page 16: ...ngthen the stopping time Wear and fatigue of the activating brake spring and wear of the brake clutch drum and pivot points may lengthen the brake s stopping time A damaged hand guard and lever may re...

Page 17: ...l chain brake stops the operation of the saw chain in such a manner that the kickback action produced at the end of the guide bar non manually actuates the chain brake To make sure that the non manual...

Page 18: ...r limbs Be thoroughly familiar with the controls and the responses of the saw Start the engine see that is running properly Squeeze the trigger to open the throttle wide open then start the cut It is...

Page 19: ...d bumper 2 5 cm to 5 cm above the bottom of the notch and stop cutting at approximately 1 10 of diameter to the inner edge of the notch in order to leave the uncut portion of the wood as a hinge 1 Not...

Page 20: ...good enough control to prevent possible injury Know how limb is stressed 1 Leave supporting limbs till last 2 Slide support logs under trunk Bucking Bucking is the sawing of a log or fallen tree into...

Page 21: ...The second cut is made downwards and should meet the first cut Overbuck 6 Down 7 Unsupported end Underbuck 8 Up 9 Wedge Make angled cut when one section may settle against the other WARNING Never use...

Page 22: ...Silencer Inspect Tighten Clean O Chain brake Inspect Replace 16 O Starter rope Inspect Screws bolts and nuts Inspect Tighten Replace O WARNING If not maintained properly the product may pose a serious...

Page 23: ...incorrect Covered with carbon Fouled with fuel Spark plug defective Adjust 0 6 to 0 7 mm Clean or replace Clean or replace Replace plug Engine does not crank Internal engine problem Ask your ECHO dea...

Page 24: ...ct the cutters for damage When sharpening the chain the objective will be to maintain the same angles and profiles throughout its life as when it was new Inspect the chain for damage or wear every tim...

Page 25: ...ke all the other cutters back to the same length 7 The depth control determines the thickness of wood chip produced and must be maintained correctly throughout the chain life 8 As the cutter length is...

Page 26: ...ogged filter will cause difficulty in starting engine or abnormalities in engine performance Pick up the fuel filter through fuel inlet port with a piece of steel wire or the like When the filter is d...

Page 27: ...adjuster L and high speed mixture adjuster H anticlockwise to stop Start engine and allow it to run at high idle until warm Turn the idle speed adjuster T anticlockwise until the saw chain stops movin...

Page 28: ...guide bar and chain Length Guide bar Chain Sprocket rim Clutch drum cm Part number Part number 45 45RS58T 3 8EEC 73LGX 64 3 8 7 31568 175033 14731 175105 32431 50 50RS58T 3 8EEC 73LGX 72 60 60RS58T 3...

Page 29: ...and pour 10 mL of fresh clean two stroke engine oil into the cylinder through the spark plug hole A Place a clean cloth over the spark plug hole B Pull the recoil starter handle 2 or 3 times to distri...

Page 30: ...showing their materials The codes refer to the following materials dispose of those plastic parts in accordance with local regulations Please contact your ECHO dealer in case you do not know how you s...

Page 31: ...mm m s 9 53 3 8 inch 1 47 0 058 inch 45 50 60 ECHO 1 47 0 058 inch Carlton A2LM Oregon 73LGX 28 1 Adjustable automatic oil pump and manual pump Sprocket Specified number of teeth 7 Engine Type Carbure...

Page 32: ...nal Europe Limited 56 Shrivenham Hundred Business Park Shrivenham Swindon SN6 8TY United Kingdom the requirements of Directive 2004 108 EC use of harmonized standard EN ISO 14982 the requirements of D...

Page 33: ...33 X750 012 24 3 X750 316 530 3 2008 1Memorandum and back cover Memorandum...

Page 34: ...34 X750 012 24 3 X750 316 530 3 2008 7 2 SUEHIROCHO 1 CHOME OHME TOKYO 198 8760 JAPAN PHONE 81 428 32 6118 FAX 81 428 32 6145 Printed in Japan...

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