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INSTRUCTION MANUAL
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
X750-012 20 1
400 Oakwood Road, Lake Zurich, Illinois 60047-1564
X750 316-510 1
Phone : 847-540-8400
Printed in Japan 0905Djd 0029 ES
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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 © 2008 All Rights Reserved.
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RULES FOR SAFE OPERATION A. Kickback Safety Precautions for Chain Saw Users WARNING! KICKBACK may occur when the nose or 1.With a basic understanding of tip of the guide bar touches an object, or kickback, you can reduce or eliminate when the wood closes in and pinches the the element of surprise. saw chain in the cut. Sudden surprise contributes to accidents. Tip contact in some cases may cause a 2.Keep a good firm grip on the saw with lightning fast reverse REACTION, Kicking both hands, the
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B. Other Safety Precautions 1. Do not operate a chain saw with one 11.Shut off the engine before setting the hand! Serious injury to the operator, chain saw down. helpers, bystanders, or any 12.Use extreme caution when cutting combination of these persons may small size brush and saplings because result from one-handed operation. slender material may catch the saw A chain saw is intended for two- chain and be whipped toward you or handed use. pull you off balance. 2.Do not operate a chain saw
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CONTENTS RULES FOR SAFE OPERATION ............................................................................. 1 SYMBOLS AND SIGNS ........................................................................................... 3 PACKING LIST ......................................................................................................... 5 NOMENCLATURE OF PARTS ................................................................................. 6 OPERATOR SAFETY................................
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SYMBOL FORM Symbol form/shape Symbol description/application Symbol form/shape Symbol description/application Carefully read the Instruction Chain oil fill manual Wear eyes, ears and head Chain oil pump protection Chain brake operation Chain oiler adjustment Emergency stop Carburetor adjustment - Low speed mixture STOP Choke control “Cold Start” Carburetor adjustment position (choke closed) - High speed mixture Oil and gasoline mixture Carburetor adjustment - Idle speed DECALS Part Number 890191
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PACKING LIST The ECHO product you purchased has been After opening the carton, check for damage. factory pre-assembled for your convenience. Due to Immediately notify your retailer or ECHO dealer of packaging restrictions, guide bar and saw chain damaged or missing parts. Use the packing list to installation and other assembly may be necessary. check for missing parts. 13 x 19 mmT-wrench, Spiked bumper, ECHO chain saw 4 mm Hexagonal Wrench, Bolts 5 × × × × × 12 mm Small screwdriver ECHO Power Bl
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NOMENCLATURE OF PARTS 6 1 5 7 4 3 8 9 X505-002040 10 11 2 12 13 14 Part Number 890191-30131 890191-30131 22 TO AVOID KICKBACK 23 1. Hold the chain saw firmly with both X524-002250 hands. 2. Don’t let the nose of the guide 890191-31731 bar contact any obstruction. 3. Tip contact may suddenly move the guide bar upward and backward, which may cause serious injury. X503-009550 Part Number X524-002250 REPLACEMENT BAR AND CHAIN 21 GUIDE BAR* CHAIN* PART NO. TYPE LINKS 16” 16D0PS3860 OREGON 72LPX,
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NOMENCLATURE OF PARTS 1. Instruction manual - Included with unit. 11. Chain tension adjuster - Device to adjust Read before operation and keep for future chain tension. reference to learn proper, safe operating 12. Chain catcher - A projection designed to techniques. reduce the risk of the operator’s right hand 2. Safety manual - Describe operating and safety from being hit by a chain which has broken instructions for this chain saw. or derailed from the guide bar during cutting. 3. Spiked bumpe
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OPERATOR SAFETY VIBRATION AND COLD EYE AND HEARING PROTECTION � It is believed that a condition called Raynaud’s � Wear eye protection goggles that meet ANSI Phenomenon, which affects the fingers of certain Z 87.1 requirements. individuals, may be brought about by exposure to Goggles meeting the requirements have the vibration and cold. mark “Z 87” stamped on them. Exposure to vibration and cold may cause � Wear hearing protection. tingling and burning followed by loss of color and If this guide
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Kickback SPARK ARRESTOR MUFFLER � The spark arrestor muffler controls the exhaust This requirement also applies to all U.S. Forest noise and prevents hot, glowing particles of Service lands. carbon from leaving the muffler. In some of these areas, the spark arrestor system Make sure the spark arrestor screen is in good must be certified per USDA Forest Service repair and properly seated in the muffler. Regulation SAE J335. � Certain internal combustion engines operated on Check with your local o
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PREPARATION FOR USE WARNING Saw chain is sharp! Always wear gloves when handling assembly, otherwise serious personal injury may result. GUIDE BAR AND SAW CHAIN INSTALLATION/REMOVAL Brake lever (Front hand guard) NOTE Move the chain brake lever (Front hand guard) fully rearward to remove or install the clutch cover to chain saw. Clutch cover 1. Remove spark plug lead. (See page 25) Two nuts 2. Remove two clutch cover nuts and remove clutch cover. Spiked bumper 3. Remove bar and saw chain if n
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7. Turn saw over, and check brake band for correct position on clutch drum. If brake band is not in place around drum, remove cover, make sure brake is unlocked, and reinstall. Tighten clutch cover nuts finger tight. WARNING Improper clutch cover assembly can result in serious injury, and will cause severe saw damage if unit is started. Never start or operate saw if brake band is not in place on clutch drum. Always check chain brake operation after replacing cover. Do not use saw if chain bra
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FUEL AND LUBRICANT FUEL STATEMENT GASOLINE - Use 89 Octane [(R+M)/2] (mid grade WARNING or higher) gasoline or gasohol known to be good Alternative fuels, such as E-20 (20 % quality. ethanol), E-85 (85 % ethanol) or any fuels not Gasohol may contain up to 10 % Ethyl (grain) meeting above requirements are NOT alcohol or 15 % MTBE (methyl teriary-butyl ether). approved for use in ECHO 2-stroke gasoline Gasohol containing methyl (wood) alcohol is NOT engines. approved. Use of alternative fuels m
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HANDLING FUEL MIXING INSTRUCTIONS - DANGER 1. Fill an approved fuel container with half of the Fuel is VERY flammable. Use extreme care required amount of gasoline. when mixing, storing or handling or serious 2. Add the proper amount of two-stroke oil to personal injury may result. gasoline. � Use an approved fuel container. � DO NOT smoke near fuel. 3. Close container and shake to mix oil with � DO NOT allow flames or sparks near fuel. gasoline. � Fuel tanks/cans may be under pressure. 4. Ad
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CHAIN LUBRICANT Proper lubrication of the chain while in operation Cap indication reduces the friction between the chain and the Fuel/oil tanks are indicated by the following guide bar to a minimum and assures a longer illustrations on the caps. service life. � Use bar and chain oil of high quality for this purpose. � Do not use used or reclaimed oil to avoid various oiler problems. � Use ECHO bar and chain oil. � When ECHO bar and chain oil is not available: Use motor oil, etc. � Use bar and ch
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WHEN THE ENGINE IS COLD Chain brake CAUTION Make sure the bar and chain are free from any obstruction when starting the chain saw. � Move chain brake lever fully forward to lock chain brake before starting. � Fill the fuel tank with fuel mixture. Choke It is not permitted to fill fuel above the shoulder level of fuel tank. Throttle trigger Start / Run � Fill the chain oil tank with lubricant. lockout Do not over fill. Ignition switch Throttle trigger � Move ignition switch to “RUN” position.
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Unlock chain brake RUNNING � When engine starts, keep idling for a few minutes. � Set the brake lever in the unlocked position before starting to cut. � Pull throttle trigger gradually and increase revolution of the engine. � The chain starts running when the engine reaches 3800 r/min approximately. � Confirm proper acceleration and lubrication of chain and bar. � Give several strokes to manual oiler button to confirm extra lubrication. Manual oiler � Do not run the engine at high speed unnecess
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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. � Do not let the tip of the bar touch anything while the engine is running. At cutting speed the chain is moving at a high rate of speed. Should the tip contact a limb or log while the chain is moving, the tip will
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FELLING THE TREE A falling tree can seriously damage anything it may hit - a car, a house, a fence, a power-line, or 3 m (10 feet) another tree. There are ways to make a tree fall where you want Retreat Direction of fall it, so first decide where that is! 45° Before cutting, clear the area around the tree. You will need good footing while working and you 45° should be able to work the saw without hitting any obstacles. Next, select a path of retreat. Retreat Not this way When the tree begins to
