Table of Contents
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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
Phone : 847-540-8400
INSTRUCTION MANUAL
CHAIN SAW
WARNING
Printed in Japan 1305H 0014 ES
CS-620P
X750-022 43 0
X750 326-250 0
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Table of Contents
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Summary of Contents for Echo CS-620P
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Page 1: Instruction Manual
INSTRUCTION MANUAL CHAIN SAW CS-620P WARNING Read the instructions carefully and follow the rules for safe operation. Failure to do so could result in serious injury. ECHO, INCORPORATED X750-022 43 0 400 Oakwood Road, Lake Zurich, Illinois 60047-1564 Phone : 847-540-8400... - Page 2 WARNING The engine exhaust from this product contains chemicals known to the State of California to cause cancer, birth defects or other reproductive harm. Copyright © 2013 All Rights Reserved.
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Page 3: Rules For Safe Operation
The Kick Guard device is not installed on the guide bar when you purchase your 3. Make sure that the area in which you ECHO chain saw. are cutting is free from obstructions. ® The Kick Guard can be used in a majority... - Page 4 SAE Standard J335 are standard to the rear, and the muffler away from on ECHO chain saws to reduce the your body. When carrying a chain saw possibility of forest fires. with the engine running, push the front...
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Page 5: Table Of Contents
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-620P... - Page 6 PARTS” section will help you locate them. Make sure the decal is legible and that you understand and follow the instructions on it. If a decal cannot be read, a new one can be ordered from your ECHO dealer. CS-620P...
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Page 7: Packing List
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. -
Page 8: Nomenclature Of Parts
2. Don’t let the nose of the guide bar contact any obstruction. * If a decal cannot be read, a new one can be 3. Tip contact may suddenly move the guide bar upward and backward, ordered from your ECHO dealer. which may cause serious injury. CS-620P... - Page 9 11. Chain catcher - A projection designed to It covers the cylinder, spark plug and reduce the risk of the operator’s right hand silencer. from being hit by a chain which has broken or derailed from the guide bar during cutting. CS-620P...
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Page 10: Operator Safety
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 neck, feet and ankles and hands and wrists. -
Page 11: Correct Use Of Chain Brake
ECHO chain brakes have been designed and Reduced radius belongs on top tested to comply with international safety standards as follows. -
Page 12: Preparation For Use
Clutch cover Guide bar adjuster hole Nuts 5. Install the clutch cover over the guide bar studs. Ensure chain tension adjuster pin fits into the guide bar adjuster hole. Tighten clutch cover nuts finger tight. CS-620P... -
Page 13: Adjusting Chain Tension
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-620P... -
Page 14: Fuel And Lubricant
ISO-L-EGD (ISO/CD 13738) and JASO M345-FC/FD certified oil, such Fuel Mix Chart 50 : 1 as ECHO premium Power Blend X™, will void the U.S. Metric two-stroke engine warranty. Gasoline... -
Page 15: Emission Data
(This is an example only, information on THIS ENGINE MEETS U.S. EPA EXH/EVP EMISSION REGULATIONS FOR MODEL YEAR * * * * REFER TO OWNER’S MANUAL label varies by engine family). FOR MAINTENANCE SPECIFICATIONS AND ADJUSTMENTS. * * * ? ? ? ? CS-620P... -
Page 16: Operation
Choke (Chain brake unlocked position) Throttle trigger lockout emergencies. Throttle trigger Starter handle Unlock chain brake CS-620P... -
Page 17: When The Engine Is Cold
Ignition switch Decompression device chain brake before starting. Start / Run Run” position. starter handle. firing sound, pull throttle trigger to release choke. Starter handle Unlock chain brake towards the operator immediately. (Chain brake unlocked position) CS-620P... -
Page 18: Checking Chain Tension
NOTICE STOP If engine does not stop, pull choke control knob out fully to stop engine. Return the unit to your authorized ECHO dealer Throttle trigger to check and repair stop switch before starting the engine again. CHECKING CHAIN TENSION during work and corrected as necessary. -
Page 19: Cutting Instruction
Some material may adversely affect the housings of your chain saw. (Example palm Tree Acid, fertilizer etc.) To avoid housing deterioration, carefully remove all packed sawdust around clutch and guide bar area and wash with water. Coat metal parts with light oil. CS-620P... -
Page 20: Felling The Tree
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-620P... - Page 21 Manual and Safety Manual. CS-620P...
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Page 22: Chain Brake Operation
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. -
Page 23: Automatic Chain Brake
Pull the air shutter to cold position. (push; closed) (pull; opend) NOTICE Air cleaner cover For operation at normal temperature, return the air shutter to its original place. (5°C, 41°F) It causes over heating of the engine. Air shutter CS-620P... -
Page 24: Chain And Guide Bar Combination
CHAIN AND GUIDE BAR COMBINATION The following combinations are recommended for model CS-620P. Guide bar Saw chain ECHO Part No. Length mm (in.) Pitch mm (in.) ECHO Part No. Links Symmetrical 406 (16) 16D0PS3860 72LPX60CQ 457 (18) 18D0PS3866 72LPX66CQ 508 (20) 20D0PS3870 9.53 (3/8) -
Page 25: Maintenance And Care
MAINTENANCE AND CARE Your ECHO chain saw is designed to provide many SKILL LEVELS 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. -
Page 26: Carburetor Adjustment
If a tachometer is available idle speed should be To maintain proper engine operation and emission set to 2800 r/min. compliance above 1100 feet ASL the carburetor may need to be adjusted by an authorized ECHO CAUTION service dealer. When starting, idling adjustment speed... -
Page 27: Check Fuel System
Fuel filter Oil tank cap OIL FILTER Fuel tank cap lubricating system. steel wire or the like. the tank out with gasoline can clean it. CS-620P... -
Page 28: Automatic Oiler
When the screw touches stopper and stops, this position indicates maximum discharge volume. (13 to 14 mL/min at 7000 r/min) - Do not turn the adjusting screw beyond the maximum or minimum limit of volume adjustment. CS-620P... -
Page 29: Setting The Saw Chain
Keep the lower edge of the drive link sharp where indicated. SETTING SAW CHAIN diameter 7/32 in.) and flat file are used. Keep this angle ® the file holder (Sure Sharp 25° Push file as shown 10° Hold the file tipped 10° upward CS-620P... - Page 30 - If the saw chain becomes soiled with resin, for 60° instance, clean it with kerosene and soak in it 0.64 mm (0.025 in.) oil. NOTICE These angles are referred to as Oregon 72LPX. To sharpen other follow chain manufacturer’s instruction. Top plate cutting angle Parallel Depth gauge CS-620P...
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Page 31: Troubleshooting
(0.024 to 0.028 in.) Engine does not crank Engine Dies or accelerates poorly runs arrestor screen blocked WARNING Fuel vapors are extremely flammable and for ignition spark by grounding spark plug near cylinder plug hole, otherwise serious personal injury may result. CS-620P... -
Page 32: Storage After Use
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-FC/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. -
Page 33: Warranty Statements
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 34 89 octane or higher. Gasohol which contains a maximum 10 % ethanol (grain alcohol) or 15 % MTBE (methyl/ tertiary/butyl/ether) is also approved. The prescribed mixing ratio of gasoline to oil is listed on the ECHO oil label and covered in your operator’s manual.