Chain Saw Instruction Manual MODEL : CS-370 WARNING Read rules for safe operation and instructions carefully. ECHO provides an Instruction Manual and a Safety Manual. Both must be read and understood for proper and safe operation. X750012231 X7503251501 01/10...
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Check fuel system for leaks due to fuel tank damage, especially if the unit is dropped. If damage or leaks are found, do not use unit, otherwise serious personal injury or property damage may occur. Have unit repaired by an authorized servicing dealer before using. CS-370...
The enclosed message provides information necessary for the protection of the unit. CAUTION 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-370...
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...
NOMENCLATURE OF PARTS NOMENCLATURE OF PARTS 890324-39630 X524-001460 X524-001720 X505-000450 89017639431 X503-007160 CS-370...
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The spark arres- bar mounting point, acting as a pivot when in con- tor screen prevents hot, glowing particles of carbon tact with a tree or log. from leaving the muffler. Keep exhaust area clear of flammable debris CS-370...
If this guideline is not followed, hearing loss can occur. in the fingers.The following precautions are strongly ECHO recommends wearing hearing protection at all recommended because the minimum exposure which times.
Reduced radius required safety standard. belongs on top 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...
1. Remove spark plug lead. (See page 27) 2. Remove two clutch cover nuts and remove clutch cover. 3. Remove bar and saw chain if necessary. See “Maintenance and Care” section for guide bar/ saw chain maintenance procedures. CS-370...
FUEL STATEMENT WARNING Alternative fuels, such as E-15 (15% 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.
Starter handle • Push choke control knob all the way in. • Pull starter handle to start the engine. Choke control knob NOTE If engine does not start after 5 pulls, repeat instruc- tions. Open choke CS-370...
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If engine does not start after 5 pulls, use cold start If engine does not start after 5 pulls, use cold start handle. procedure. procedure. • When engine starts, immediately squeeze throttle trigger, to release throttle latch. Push CS-370 Throttle latch Throttle trigger CS-370 CS-370 CAUTION...
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 CHECKING CHAIN TENSION and corrected as necessary.
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.
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Then remove the saw for the second cut. Insert the saw in the cut to reach the hinge. in the first cut, very carefully so as not to cause kick- back. The final cut is made by drawing the saw forward in the cut to reach the hinge. CS-370 CS-370...
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Comply with the Safety Precautions as listed in Comply with the Safety Precautions as listed in this manual. this manual. CS-370 CS-370...
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Immediately release the throttle trigger. WARNING WARNING If the chain does not stop immediately, return If the chain does not stop immediately, return the saw to your authorized ECHO dealer for the saw to your authorized ECHO dealer for repair. repair. Chain brake function...
Cold weather warm weather position, and install into cold “storage” position weather “storage” position. Warm weather position NOTE For operation at normal temperature return the plug to its original place. (5°C, 41°F) It causes over heating of the engine. CS-370...
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.
1,100 feet ASL the carburetor may need to 7. Check idle speed and reset if necessary as be adjusted by an authorized ECHO service dealer. described in item 5. If a tachometer is available idle speed should be set to 2400 - 2900 r/min.
• 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 it. • When the inside of the tank gets dirty, rinsing the tank out with gasoline can clean it. CS-370...
• To increase the delivery volume, turn the adjusting screw counterclockwise. 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-370...
• For setting saw chain, round file (4.0 mm dia. 5/32 in.) and flat file are used. • To keep correct position and correct angle, use the file holder (Sure Sharp ® 30° Keep this angle Push file as shown 90° Hold the file horizontally CS-370...
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NOTE 91P :50° These angles are referred to as Oregon 91P 91VG :60° or 91VG. To sharpen other chain, follow chain 0.64 mm (0.025 in.) manufacturer’s instruction. Parallel Top plate cutting angle Depth gauge CS-370...
WARNING Fuel vapors are extremely flammable and may cause fire and/or explosion. Never test for ignition spark by grounding spark plug near cylinder plug hole, otherwise serious personal injury may result. CS-370...
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.
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.
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HOW WILL A COVERED PART BE CORRECTED? If there is a defect in a part covered by this warranty, any ECHO Inc. Authorized Service Dealer will correct the defect. You will not have to pay anything to have the part adjusted, repaired or replaced. This includes any labor and diagnosis for warranted repairs performed by the dealer. In addition, engine parts not expressly covered under this warranty but whose failure is a result of a failure of a covered part will be warranted.
ECHO Inc., 400 Oakwood Road, Lake Zurich, IL 60047 (800-673-1558). Always check the ECHO Web Site for updated information. 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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