CHain Saw CS-680 WARNING Read the instructions carefully and follow the rules for safe operation. Failure to do so could result in serious injury. echo, incorporated 400 Oakwood Road, Lake Zurich, Illinois 60047-1564 X750 316-511 0 Phone : 847-540-8400...
4. Cut at high engine speeds. 5. Do not overreach or cut above shoulder height. 6. Follow manufacturer’s sharpening and maintenance instructions for the saw chain. 7. Only use replacement bars and chains specified by the manufacturer or the equivalent. CS-680...
Page 4
SAE Standard J335 are standard to the rear, and the muffler away from on ECHO chain saws to reduce the possibility of forest fires. your body. When carrying a chain saw with the engine running, push the front Do not operate the chain saw with a loose or defective muffler.
The enclosed message provides information CAUTION necessary for the protection of the unit. The safety alert symbol accompanied by the word “CAUTION” calls attention to an act or condition which may lead to minor or moderate personal injury if not avoided. CS-680...
Page 6
WARNING experience and specialized training for dealing with kickback. ECHO chain saw with Chain brake must be unlocked before removing or installing significantly reduced kickback potential clutch cover. Improper cover installation can result in serious are available.
The ECHO product you purchased has been After opening the carton, check for damage. factory pre-assembled for your convenience. Immediately notify your retailer or ECHO dealer of Due to packaging restrictions, guide bar and saw damaged or missing parts. chain installation and other assembly may be Use the packing list to check for missing parts.
Do not operate this chain saw unless you have extraordinary cutting needs and experience and specialized training for Part Number X505-002041 dealing with kickback. ECHO chain saw with significantly reduced kickback potential WARNING are available. Chain brake must be unlocked before removing or installing clutch cover.
Page 9
10. Clutch cover - Protective cover to the guide housing. bar, saw chain, clutch and sprocket when the chain saw is in use. 25. Cylinder cover - The cooling airflow grill. It covers the cylinder, spark plug and silencer. CS-680...
If this guideline is not followed, hearing loss can numbness in the fingers. occur. The following precautions are strongly ECHO recommends wearing hearing protection recommended because the minimum exposure at all times. which might trigger the ailment is unknown. WEAR PROPER CLOTHING •...
Ensure chain tension adjuster pin fits into the guide bar adjuster hole, brake band is positioned around clutch drum, and hole at rear of clutch cover fits pin on engine cover. Tighten clutch cover nuts finger tight. CS-680...
5. Pull the chain around the bar by hand. Loosen the adjustment if you feel tight spots. 6. When chain is properly tensioned, tighten clutch cover nuts securely - 20 to 23 N·m (175 to 200 in. lb.). 7. Keep chain properly tensioned at all times. CS-680...
ECHO brand premium Power Blend X™ Universal 2-Stroke Oil may be mixed at 50 : 1 ratio for 2-Stroke Oil meets these standards. application in all ECHO engines sold in the past Engine problems due to inadequate lubrication regardless of ratio specified in those manuals.
• Do not use used or reclaimed oil to avoid various oiler problems. • Use ECHO bar and chain oil. • Use bar and chain oil of the following grades: SAE No. 30 ..in summer SAE No. 10 ..in winter or when cutting...
EMISSION COMPLIANCE PERIOD: 300 Hours THIS ENGINE MEETS U.S. EPA EXH/EVP EMISSION label varies by engine family). REGULATIONS FOR MODEL YEAR * * * * REFER TO OWNER’S MANUAL FOR MAINTENANCE SPECIFICATIONS AND ADJUSTMENTS. * * * ? ? ? ? CS-680...
Throttle trigger Ignition switch (Chain brake unlocked position) • Never use throttle latch for cutting. • Use the chain brake only in starting or in emergencies. Starter handle Unlock chain brake CS-680...
Page 18
• Choke may be used if necessary, but after first firing sound, pull throttle trigger to release choke. Starter handle • After starting the engine, pull front hand guard Unlock chain brake towards the operator immediately. (Chain brake unlocked position) CS-680...
If engine does not stop, pull choke control knob STOP out fully to stop engine. Throttle trigger Return the unit to your authorized ECHO dealer to check and repair stop switch before starting the engine again. CHECKING CHAIN TENSION • Chain tension should be checked frequently during work and corrected as necessary.
CUTTING INSTRUCTION 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.
Then remove the saw for the second cut. Insert the saw in the first cut, very carefully so as not to cause kickback. The final cut is made by drawing the saw forward in the cut to reach the hinge. CS-680...
Page 22
• The chain saw industry and government agencies have attempted to prescribe various safety devices, but the best protection is to avoid kickback. • Comply with the safety precautions as listed in this Manual and Safety Manual. CS-680...
When the brake lever trips, the chain should stop. Immediately release the throttle trigger. WARNING If the chain does not stop immediately, return the saw to your authorized ECHO dealer for Chain brake unlock repair. When the lever is fully pulled toward the operator, brake is unlocked.
Remove plug from warm weather position, and install into cold weather “storage” position. NOTICE For operation at normal temperature, return the Warm weather position plug to its original place. (5°C, 41°F) Air cleaner cover It causes over heating of the engine. CS-680...
CHAIN AND GUIDE BAR COMBINATION The following combinations are recommended for model CS-680. Guide bar Saw chain ECHO Part No. Length mm (in.) Pitch mm (in.) ECHO Part No. Links Symmetrical 406 (16) 16D0PS3860 72LPX60CQ 508 (20) 20D0PS3870 72LPX70CQ 9.53 (3/8)
MAINTENANCE AND CARE SKILL LEVELS Your ECHO chain saw is designed to provide many hours of trouble free service. Regular scheduled Level 1 = Easy to do. Most required tools come maintenance will help your chain saw achieve that with unit.
2900 r/min. To maintain proper engine operation and emission compliance above 1100 feet ASL the carburetor CAUTION may need to be adjusted by an authorized ECHO service dealer. When starting, idling adjustment speed should be adjusted not to rotate the saw IMPORTANT chain.
• Pull it out through oil filling hole with a piece of steel wire or the like. • If the filter is dirty, wash it in gasoline or replace • When the inside of the tank gets dirty, rinsing the tank out with gasoline can clean it. CS-680...
Page 29
When the knob touches stopper and stops, this position indicates maximum discharge volume. (15 mL/min at 7000 r/min) - Do not turn the adjusting knob beyond the maximum or minimum limit of volume Adjusting knob adjustment. CS-680...
• For setting saw chain, round file 5.5 mm (7/32 in.) diameter and flat file are used. • To keep correct position and correct angle, use Keep this angle ® the file holder (Sure Sharp 25° Push file as shown 10° Hold the file tipped 10° upward CS-680...
Page 31
- If the saw chain becomes soiled with resin, for instance, clean it with kerosene and soak in it oil. NOTICE Parallel These angles are referred to as Oregon 72LPX. To sharpen other follow chain manufacturer’s instruction. Depth gauge CS-680...
Instruction manual and the Safety manual. • If this Instruction manual or the Safety manual has become illegible or is lost, please purchase a new one from your ECHO dealer. IMPORTANT Acids from decaying palm tree sap may corrode crankcase and oil tank housings made of aluminum and magnesium alloys.
Recoil starter Power transmission Automatic centrifugal clutch Fuel Mixture ratio 50 : 1 ratio with ECHO Power Blend X™, 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.
The owner shall demonstrate reasonable care and use, and follow preventative maintenance, storage, fuel and oil usage as prescribed in the operator’s manual. Should a product difficulty occur, you must, at your expense, deliver or ship your ECHO unit to an authorized ECHO servicing dealer for warranty repairs (within the applicable warranty period), and arrange for pick-up or return of your unit after the repairs have been made.
Page 36
ECHO does not offer an over the counter exchange program. Any ECHO product re-built other than by ECHO or sold through an unauthorized dealer, or an unauthorized outlet store, is sold without ECHO’s limited warranty coverage. The ECHO Limited Warranty coverage is extended to the original purchaser only, and is not transferable except for emission related parts.
Please go to http://www.echo-usa.com/Warranty/Register-Your-ECHO to register your new product on-line. It’s FAST 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 your ownership for warranty consideration.
Need help?
Do you have a question about the CS-680 and is the answer not in the manual?
Questions and answers