Echo CS-680 manual

INSTRUCTION MANUAL CHAIN SA W W ARNING Read the instructions carefully and follow the rules for safe operation. Failure to do so could result in serious injury. CS-680 X750-012 20 1 X750 316-510 1 ECHO, INCORPORA TED 400 Oakwood Road, Lake Zurich, Illinois 60047-1564 Phone : 847-540-8400 Printed in Japan 0905Djd 0029 ES[...]

Copyright © 2008 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[...]

1 CS-680 R ULES FOR SAFE OPERA TION A. Kickbac k Safety Precautions f or Chain Sa w Users 1.With a basic understanding of kickback, you can reduce or eliminate the element of surprise. Sudden surprise contributes to accidents. 2.Keep a good firm grip on the saw with both hands, the right hand on the rear handle, and the left hand on the front handl[...]

2 CS-680 1. Do not operate a chain saw with one hand! Serious injury to the operator, helpers, bystanders, or any combination of these persons may result from one-handed operation. A chain saw is intended for two- handed use. 2.Do not operate a chain saw when you are fatigued. 3.Use safety footwear, snug-fitting clothing and protective gloves. Wear[...]

3 CS-680 CONTENTS WARNING The safety alert symbol accompanied by the word “WARNING” calls attention to an act or condition which CAN lead to serious personal injury or death if not avoided. CIRCLE AND SLASH SYMBOL This symbol means the specific action shown is prohibited. Ignoring these prohibitions can result in serious or fatal injury. CAUTIO[...]

4 CS-680 T O A VOID KICKBA C K 1. Hold the chain saw firmly with both hands. 2 . Don’t let the nose of the guide bar contact any obstruction. 3. Tip contact may suddenly mo v e the guide bar upward and back ward, which ma y cause serious injur y . Part Number 890191-30131 Carburetor adjustment - Idle speed Carburetor adjustment - High speed mixtu[...]

5 CS-680 P A CKING LIST The ECHO product you purchased has been f actor y pre-assembled f or your con v enience. Due to packaging restrictions, guide bar and saw chain installation and other assembly ma y be necessary . After opening the car ton, check f or damage. Immediately notify your retailer or ECHO dealer of damaged or missing par ts. Use th[...]

6 CS-680 NOMENCLA TURE OF P AR TS * If a decal cannot be read, a new one can be ordered from your ECHO dealer. 2 1 5 4 7 8 10 11 12 13 14 21 16 17 18 20 3 19 15 6 22 9 23 890191-30131 X524-002250 890191-31731 X503-009550 W ARNING!! This chain saw is capab le of sev ere kickbac k that could result in serious injur y to the user . Do not operate this[...]

7 CS-680 NOMENCLA TURE OF P AR TS 1. Instruction manual - Included with unit. Read before operation and keep for future reference to learn proper, safe operating techniques. 2. Safety manual - Describe operating and safety instructions for this chain saw. 3. Spiked bumper - Device, fitted in front of the guide bar mounting point, acting as a pivot [...]

8 CS-680 VIBRA TION AND COLD • It is belie v ed that a condition called Raynaud’ s Phenomenon, which affects the fingers of certain individuals, ma y be brought about by e xposure to vibration and cold. Exposure to vibration and cold ma y cause tingling and burning f ollow ed by loss of color and numbness in the fingers . The follo wing precaut[...]

9 CS-680 SP ARK ARREST OR MUFFLER • The spark arrestor muffler controls the e xhaust noise and prev ents hot, glowing par ticles of carbon from leaving the muffler . Make sure the spark arrestor screen is in good repair and properly seated in the muffler . • Cer tain inter nal combustion engines operated on f orest, brush, and/or grass-cov ered[...]

10 CS-680 PREP ARA TION FOR USE WARNING Saw chain is sharp! Always wear gloves when handling assembly, otherwise serious personal injury may result. GUIDE B AR AND SA W CHAIN INST ALLA TION/REMO V AL NOTE Move the chain brake lever (Front hand guard) fully rearward to remove or install the clutch cover to chain saw. 1. Remov e spark plug lead. (See[...]

11 CS-680 7. T ur n saw ov er , and check brake band f or correct position on clutch drum. If brake band is not in place around drum, remove co ver , make sure brake is unloc ked, and reinstall. Tighten clutch cov er nuts finger tight. WARNING Improper clutch cover assembly can result in serious injury, and will cause severe saw damage if unit is s[...]

12 CS-680 FUEL AND LUBRICANT Fuel Mix Chart 50 : 1 US. 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 ST A TEMENT GASOLINE - Use 89 Octane [(R+M)/2] (mid grade or higher) gasoline or gasohol known to be good quality . Gasohol may contain up to 10 % Eth yl (grain) alcohol or 15 % MTBE (methyl teri[...]

13 CS-680 HANDLING FUEL MIXING INSTRUCTIONS - 1. Fill an approv ed fuel container with half of the required amount of gasoline. 2. Add the proper amount of two-strok e oil to gasoline. 3. Close container and shake to mix oil with gasoline. 4. Add remaining gasoline, close fuel container , and remix. IMPORTANT • Spilled fuel is a leading cause of [...]

14 CS-680 CHAIN LUBRICANT Proper lubrication of the chain while in operation reduces the friction between the chain and the guide bar to a minimum and assures a longer service life . • Use bar and chain oil of high quality f or this pur pose. • Do not use used or reclaimed oil to av oid various oiler problems. • Use ECHO bar and chain oil. ?[...]

15 CS-680 WHEN THE ENGINE IS COLD CAUTION Make sure the bar and chain are free from any obstruction when starting the chain saw. • Mov e chain brak e le ver fully f orw ard to lock chain brak e before starting. • Fill the fuel tank with fuel mixture. It is not permitted to fill fuel above the shoulder le vel of fuel tank. • Fill the chain oil[...]

16 CS-680 R UNNING • When engine star ts, k eep idling for a f ew minutes . • Set the brak e le ver in the unloc ked position before starting to cut. • Pull throttle trigger gradually and increase rev olution of the engine. • The chain starts r unning when the engine reaches 3800 r/min approximately . • Confirm proper acceleration and lub[...]

17 CS-680 CUTTING INSTR UCTION GENERAL CAUTION • Read the ECHO “CHAIN SAW SAFETY MANUAL” included with your chain saw for additional cutting and safety instructions. • Wear suitable hearing protection such as earmuffs or earplugs to protect against objectionable or uncomfortable loud noises. • Do not let the tip of the bar touch anything [...]

18 CS-680 FELLING THE TREE A falling tree can seriously damage an ything it ma y hit - a car , a house, a f ence, a pow er-line, or another tree. There are wa ys to make a tree f all where you w ant it, so first decide where that is! Before cutting, clear the area around the tree . Y ou will need good f ooting while working and you should be able t[...]

19 CS-680 LIMBING Limbing a f allen tree is much the same as b ucking. Ne v er stand on the tree that you are limbing. When limbing, caution is the word. Be careful of the tip touching other limbs. Alwa ys use both hands. Don’t cut with the saw o v erhead or aligned v er tically with your body . If the saw should kickbac k, you ma y not hav e eno[...]

20 CS-680 CHAIN BRAKE OPERA TION • Set the le v er in the unlock ed position before star ting to cut. • If the brak e is tripped by kickbac k reaction, the chain will stop immediately . Release the throttle to av oid possible damage to the engine or clutch. • Do not attempt to operate the engine with the brake loc ked. TESTING THE BRAKE • S[...]

21 CS-680 End of the guide bar may be placed at the height of about 35 cm (14 in.). 35 cm (14 in.) Rear handle should be gripped lightly with the right hand. A UT OMA TIC CHAIN BRAKE Kickbac k produced from the tip of the guide bar will trip the automatic chain brake . T o make sure that the automatic chain brake oper ates proper ly , f ollow these[...]

22 CS-680 Guide Bar Saw chain Length ECHO P art No. Pitch Type Links mm (in.) Double Guard Symmetrical mm (in.) OREGON 406 (16) 16D0PD3860 16D0PS3860 9.53 (3/8) 72LPX,72V 60 508 (20) 20D0PD3870 20D0PS3870 9.53 (3/8) 72LPX,72V 70 610 (24) 24D0PD3881 24D0PS3881 9.53 (3/8) 72LPX,72V 81 686 (27) —————— 27D0PS3893 9.53 (3/8) 72LPX,72V 93 CHA[...]

23 CS-680 MAINTENANCE AND CARE IMPORTANT Time intervals shown are maximum. Actual use and your experience will determine the frequency of required maintenance. Y our ECHO chain saw is designed to pro vide many hours of trouble free service. Regular scheduled maintenance will help your chain sa w achiev e that goal. If you are unsure or are not equi[...]

24 CS-680 CARBURET OR ADJUSTMENT Every unit is run at the factory and the carburetor is set in compliance with Emission Regulations. In addition, the carburetor is equipped with “H” (High Speed) and “L ” (Low Speed) needle adjustment limiters that pre vent settings outside acceptab le limits. 1. Bef ore adjusting carburetor clean or replace[...]

25 CS-680 0.65 mm (0.026 in.) AIR FIL TER • Check bef ore ev er y use. • Release the cleaner cov er latch, and remov e air cleaner cov er and filter . • Brush off dust lightly , or clean with compressed air , or replace the air filter . • Reinstall air filter and cov er, engage latch. CHECK FUEL SYSTM • Check bef ore ev er y use. • Afte[...]

26 CS-680 Worn : 0.5 mm (0.020 in.) Groove Oil hole GUIDE B AR • Clean bef ore using. - Clean the groov e of the guide bar with a small screwdriv er . - Clean oil holes with a wire. • Re verse guide bar periodically . • Check sproc ket and the clutch and clean the bar mount area before installation of the bar . Replace either or both if worn [...]

27 CS-680 SETTING THE SA W CHAIN Sharpen lower edge Drive link Tie strap Right hand cutter Preset tie strap Left hand cutter Guard link Top plate Side plate Depth guage Impor tant points for proper maintenance of sa w chain: • K eep the cutters shar p at all times. • K eep the left and the r ight cutters properly aligned. - Note that blunt or i[...]

28 CS-680 • Place the depth gauge tool firmly on guide bar so that depth gauge protrudes. Then file top of depth gauge with the flat file until flat with top of the depth gauge tool. - Be sure to round off the front edge of the depth gauge. Properly filed cutters are shown in illustration. When setting of the chain is finished, soak it in oil and[...]

29 CS-680 TR OUBLESHOO TING Problem Engine — hard to start Cause Remedy — does not start Engine Fuel at No fuel • Fuel filter clogged • Clean or replace cranks carburetor at carburetor • Fuel line clogged • Clean • Carburetor • Ask your ECHO dealer Fuel at No fuel at • Carburetor • A sk your ECHO dealer cylinder cylinder Muffler[...]

30 CS-680 MODEL CS-680 Dimension 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 guide bar Engine Type A ir-cooled two-stroke single cylinder Displacement mL (cm³) 66.8 (4.07 cu. in.) Carburetor Diaphragm type Magneto Flywheel magneto: CDI system Spark plug NGK BPM7A Start[...]