INSTRUCTION MANUAL CHAIN SAW CS-620PW 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 53 0 400 Oakwood Road, Lake Zurich, Illinois 60047-1564 Phone : 847-540-8400...
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...
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9. Carry the chain saw with the engine SAE Standard J335 are standard stopped, the guide bar and saw chain on ECHO chain saws to reduce the to the rear, and the muffler away from possibility of forest fires. your body. When carrying a chain saw...
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-620PW...
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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-620PW...
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.
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-620PW...
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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-620PW...
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.
Clutch cover Nuts Guide bar adjuster hole 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-620PW...
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-620PW...
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...
(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-620PW...
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.
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-620PW...
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-620PW...
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.
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-620PW...
CHAIN AND GUIDE BAR COMBINATION The following combinations are recommended for model CS-620PW. 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)
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.
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...
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-620PW...
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-620PW...
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- 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-620PW...
(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-620PW...
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.
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.
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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.