Chain Saw Instruction Manual MODEL : CS-400 WARNING Read rules for safe operation and instructions carefully. ECHO provides an Instruc- tion Manual and a Safety Manual. Both must be read and understood for proper and safe operation. X750012511 X7503251601 04/09...
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19. Spark arrestor mufflers approved to SAE body. Standard J335 are standard on ECHO chain saws to reduce the possibility of 10. Do not operate a chain saw that is forest fires.
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WARNING • During operation, the muffler or catalytic muffler and surrounding cover become hot. • Never suspend the saw on a lanyard with the engine running. • Always use the saw from the right-hand side of your body – NEVER from the left side. • Always wear proper safety clothing to protect your lower body from sharp saw chain and hot muffler.
CONTENTS RULES FOR SAFE OPERATION ................SYMBOLS AND SIGNS.................... EMISSION DATA ...................... PACKING LIST ......................NOMENCLATURE OF PARTS ................. OPERATOR SAFETY ....................10 CORRECT USE OF CHAIN BRAKE ................ 11 PREPARATION FOR USE ..................12 FUEL AND LUBRICANT ................... 14 OPERATION ......................
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CLATURE OF PARTS” section will help you locate them. Make sure the decal is legible and that you under- stand and follow the instructions on it. If a decal cannot be read, a new one can be ordered from your ECHO dealer. CS-400...
Maintenance Section of this manual. PACKING LIST The ECHO product you purchased has been fac- After opening the carton, check for damage. Im- tory pre-assembled for your convenience. Due to...
3. Tip contact may suddenly move the guide bar upward and backward, which may cause serious injury. * If a decal cannot be read, a new one can be ordered from your ECHO dealer. CS-400 CS-400...
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NOMENCLATURE OF PARTS 1. Instruction manual - Included with unit. Read be- 13. Guide bar - The part that supports and guides the fore operation and keep for future reference to learn saw chain. proper, safe operating techniques. 14. Saw chain - Chain, serving as a cutting tool. 2.
If this guideline is not followed, hearing loss can occur. in the fingers.The following precautions are strongly ECHO recommends wearing hearing protection recommended because the minimum exposure which at all times.
Reduced standard. radius ECHO chain brakes have been designed and tested to comply with international safety standards as follows. : ANSI Standard B175.1 - 2000 Safety Requirement for chain saws Canada : CSA Standard Z 62.1 CHAIN SAWS...
PREPARATION FOR USE WARNING Saw chain is sharp! Always wear gloves when handling assembly, otherwise serious personal injury may result. NOTE The machine may be delivered with guide bar, tip guard, and saw chain separated. Install guide bar, tip guard, and saw chain as follows. Bolt (A) Dimple (D) ®...
Guide bar studs 4. Mount guide bar on studs and slide toward clutch to make saw chain installation easier. Install chain with cutters on top of guide bar facing forward. Guide bar 5. Unlock the chain brake, and install the clutch cover over adjuster hole Clutch the guide bar studs.
FUEL STATEMENT WARNING Alternative fuels, such as E-20 (20% ethanol), E-85 (85% ethanol) or any fuels not meeting ECHO requirements are NOT approved for use in ECHO 2-stroke gasoline engines. Use of alternative fuels may cause performance problems, loss of power, overheating, fuel vapor lock, and unintended machine operation, including, but not limited to, improper clutch engagement.
• 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 chain oil of the following grades: SAE No.
Engine exhaust IS HOT, and contains Carbon Monoxide (CO), a poison gas. Breathing CO can cause uncon- • When ECHO bar and chain oil is not available: sciousness, serious injury, or death. Exhaust can cause serious burns. ALWAYS position unit so that exhaust is Use motor oil, etc.
• Use bar and chain oil of the following grades: SAE No. 30 ..in summer Fuel tank cap Oil tank cap SAE No. 10 ..in winter or when cutting resinous trees. • When refueling, also refill chain oil. •...
If engine does not stop, pull choke control knob out fully to stop engine. CHECKING CHAIN TENSION Return the unit to your authorized ECHO dealer to check • Chain tension should be checked frequently and repair stop switch before starting the engine again.
NOTE Some material may adversely affect the housings of your ECHO chain saw. (Example: Palm Tree Acid, fertilizer, etc.) To avoid housing deterioration, carefully remove all packed saw dust around clutch and guide bar area and Kickback wash with water.
FELLING THE TREE 3 m (10 feet) Retreat WARNING Direction of fall A falling tree can seriously damage anything it may 45° hit - a car, a house, a fence, a power line, or another tree. There are ways to make a tree fall where you want it, so first decide where that is! Not this way Retreat...
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LIMBING Limbing a fallen tree is much the same as bucking. Never stand on the tree that you are limbing. When limbing, caution is the word. Be careful of the tip touching other limbs. Always use both hands. Don’t cut with the saw overhead or aligned vertical- ly with your body.
Immediately release the throttle trigger. WARNING If the chain does not stop immediately, return the saw to your authorized ECHO dealer for repair. Chain brake function When the lever is pushed forward, chain brake instantly stops the chain.
AUTOMATIC CHAIN BRAKE End of the guide bar may be placed at the height of about 35 cm (14 in.). Kickback produced from the tip of the guide bar will trip the automatic chain brake. To make sure that the automatic chain brake operates properly, follow these steps: 1.
Chain and guide bar gauge size must be identical. Use Bar/Chain combinations shown in table above. IMPORTANT If your kick guard is damaged or lost, contact your Echo dealer for a replacement. For the name of the Echo dealer nearest you, Call: 1-800-432-ECHO (3246) or on the web at www.echo-usa. com.
ECHO Service Dealer for maintenance. To help you decide whether you want to DO-IT-YOURSELF or have the ECHO Dealer do it, each maintenance task has been graded. If the task is not listed see your Echo dealer for repairs.
7. Check idle speed and reset if necessary as carburetor may need to be adjusted by an authorized described in item 5. If a tachometer is available ECHO service dealer. idle speed should be set to 2400 - 2900 r/min. IMPORTANT...
AIR FILTER Cleaner cover knob Air cleaner cover • Check before every use. • Loosen cleaner cover knob and remove air cleaner Spark plug cover and filter. AIR FILTER Cleaner cover knob Air cleaner cover • Brush off dust lightly, or clean with compressed air, or •...
GUIDE BAR Groove • Clean before using. Oil hole • Clean the groove of the guide bar with a small screw- driver. • Clean oil holes with a wire. • Reverse guide bar periodically. Sprocket • Check sprocket and the clutch and clean the bar mount area before installation of the bar.
EXHAUST PORT CLEANING Level 2 Tools required: Wood or plastic scraper, Cross Head Screwdriver, 8mm Wrench As needed: Muffler gasket Parts Required: 1. Remove air filter cover and remove spark plug lead. 2. Remove engine cover (3 screws). 3. Place piston at top dead center. Remove muffler (A) and muffler gasket (B ).
SETTING ThE SAW ChAIN Preset tie strap Left hand cutter Drive link Top plate Tie strap Side plate Guard link Depth guage Right hand cutter Important points for proper maintenance of saw chain: • Keep the cutters sharp at all times. •...
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One fifth of file diameter remains above cutter edge • Place the depth gauge tool firmly on guide bar so that depth gauge protrudes. Depth gauge tool Then file top of depth gauge with the flat file until flat with top of the depth gauge tool. Remove until flat with tool •...
Recoil starter Power transmission Automatic centrifugal clutch Fuel Mixture ratio 50 : 1 ratio with ECHO Power Blend X™, ISO-L- (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.
Replacement Operator, Safety Manuals and Parts Catalogs are available from your ECHO dealer or at www.echo-usa.com or by contacting ECHO Inc., 400 Oakwood Road, Lake Zurich, IL 60047 (800-673-1558). Safety Videos are available from your Echo dealer. A $5.00 shipping charge will be required for each video. ECHO, INCORPORATED...
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