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Echo CS-370F Instruction Manual

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x7722271404 / x772000164

Instruction Manual

The muffler or catalytic muffler and surrounding cover may become extremely hot.
Always keep clear of exhaust and muffler area, otherwise serious personal injury may
occur.
The engine exhaust from this product contains chemicals known to the State of California to cause
cancer, birth defects or other reproductive harm.
Users of this equipment risk injury to themselves and others if the unit is used
improperly and/or safety precautions are not followed. ECHO provides an operator's
manual and a safety manual. Both must be read and understood for proper and safe
operation. Failure to do so could result in serious injury.
Specifications, descriptions and illustrative material in this literature are as accurate as known at the time
of publication, but are subject to change without notice. Illustrations may include optional equipment and
accessories, and may not include all standard equipment.
X7503253203
© 6/2015 ECHO Inc.
CS-370F
CHAIN SAW
Burn Hazard

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Summary of Contents for Echo CS-370F

  • Page 1: Instruction Manual

    Users of this equipment risk injury to themselves and others if the unit is used improperly and/or safety precautions are not followed. ECHO provides an operator’s manual and a safety manual. Both must be read and understood for proper and safe operation.

  • Page 2: Table Of Contents

    Warranty Statements ................................39 Product Registration ................................41 Notes ....................................42 Servicing Information ................................43 Parts/Serial Number ..............................43 Service..................................43 Echo Consumer Product Support ..........................43 Product Registration ..............................43 Additional or Replacement Manuals ..........................43 X7503253203 © 6/2015 ECHO Inc.

  • Page 3: Contents

    The ECHO product you purchased has been factory pre-assembled for your convenience. Due to packaging restrictions, some assembly may be necessary. After opening the carton, check for damage. Immediately notify your retailer or ECHO Dealer of damaged or missing parts. Use the contents list to check for missing parts.

  • Page 4: Safety

    Kickback of the guide bar, contact an object. Kickback can lead to dangerous loss of the chain saw. TO AVOID KICKBACK: a. Contact of the guide bar tip with any object should be avoided. X7503253203 © 6/2015 ECHO Inc.

  • Page 5: Correct Use Of Chain Brake

    • Slowly operate the chain brake lever while holding the saw firmly on the ground. When the brake lever trips, the chain should stop. Immediately release the throttle trigger. Do not allow the saw to tip forward in order to avoid damage to the chain. X7503253203 © 6/2015 ECHO Inc.
  • Page 6 4. The impact should lock the chain brake. When checking the operation of the automatic chain brake, use a soft surface substance like wood to absorb the impact so the chain is not damaged. X7503253203 © 6/2015 ECHO Inc.

  • Page 7: Personal Condition And Safety Equipment

    Personal Condition and Safety Equipment Users of this product risk injury to themselves and others if the unit is used improperly and/or safety precautions are not followed. Proper clothing and safety gear must be worn when operating unit. X7503253203 © 6/2015 ECHO Inc.
  • Page 8 Hearing/Ear Protection ECHO recommends wearing hearing protection whenever unit is used. Breathing Protection Operators who are sensitive to dust or other common airborne allergens may need to wear a dust mask to prevent inhaling these materials while operating unit.
  • Page 9 ECHO does not recommend the use of this machine by anyone who has a pacemaker.
  • Page 10 This unit is not insulated against electrical current. Never touch wires directly or indirectly, otherwise serious injury or death may result. Do not operate this product indoors or in inadequately ventilated areas. Engine exhaust contains poisonous emissions and can cause serious injury or death. X7503253203 © 6/2015 ECHO Inc.

  • Page 11: Symbols And Signs

    Both of the operator’s hands must Purge Pump be used to operate the chain saw Carburetor Adjustment - Hot Surface Low Speed Mixture Carburetor Adjustment - Chain Brake Operation High Speed Mixture Carburetor Adjustment - Emergency Stop Idle Speed X7503253203 © 6/2015 ECHO Inc.

  • Page 12: Manual Safety Symbols And Important Information

    The 50 or 300 hour emission compliance period is the time span selected by the manufacturer certifying the engine emissions output meets applicable emissions regulations, provided that approved maintenance procedures are followed as listed in the Maintenance Section of this manual. X7503253203 © 6/2015 ECHO Inc.

  • Page 13: Description

    Locate the safety decal(s) on your unit. Make sure the decal(s) 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. See PARTS ORDERING instructions for specific information.
  • Page 14 CHAIN SAW TERMS 1. Chain Brake - Stops the saw chain. 2. Drive Sprocket - Drives saw chain. 3. Clutch - Turns drive sprocket when engine rpm is fast enough to provide the power needed for cutting. X7503253203 © 6/2015 ECHO Inc.

  • Page 15: Preparation For Use

    3. Extend the knob lever (D), then turn knob counterclockwise to remove knob and sprocket guard. 4. Remove guide bar and saw chain if necessary. Note: See “Maintenance and Care” section for guide bar/saw chain maintenance procedures. X7503253203 © 6/2015 ECHO Inc.
  • Page 16 Always loosen sprocket guard knob before turning the chain UNLOCK chain brake tension adjuster, otherwise the sprocket guard and tensioner will be damaged. 1. Remove air cleaner cover and disconnect spark plug lead. 2. Loosen sprocket guard knob. X7503253203 © 6/2015 ECHO Inc.
  • Page 17 6. When chain is properly tensioned, tighten clutch cover knob securely. 7. Assemble components in reverse order. 8. Keep chain properly tensioned at all times. Note: All chains require frequent adjustments. X7503253203 © 6/2015 ECHO Inc.

  • Page 18: Operation

    OPERATION Fuel 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.

  • Page 19: Chain Lubricant

    • Use bar and chain oil of the following grades: Fuel tank cap Oil tank cap • SAE No. 30..in summer • SAE No. 10..in winter or when cutting resinous trees. • When refueling, also refill chain oil. X7503253203 © 6/2015 ECHO Inc.

  • Page 20: Winter Operation

    3. Fill the chain oil tank with lubricant. Do not over fill. 4. Move ignition switch (A) to “RUN” position. 5. Push purge pump (B) 3 to 4 times or until fuel is visible in purge pump. X7503253203 © 6/2015 ECHO Inc.

  • Page 21: Starting Hard To Start Engine

    3. Move ignition switch (A) to “RUN” position. 4. Securely hold the chain saw as shown and pull starter handle. 5. When engine starts, immediately squeeze and then release throttle trigger, to release throttle lock button. X7503253203 © 6/2015 ECHO Inc.

  • Page 22: Starting Warm Engine

    Note: Do not increase engine speed while chain brake is locked. Severe brake damage will result. Running Unlock Chain brake The saw chain should not move at idle, otherwise serious personal injury may result. X7503253203 © 6/2015 ECHO Inc.

  • Page 23: Stopping

    2. Move ignition switch (A) DOWN to “STOP” position. Note: If engine does not stop, pull choke control knob OUT fully to stop engine. Return the unit to your authorized ECHO dealer to check and repair stop switch before starting the engine again.

  • Page 24: Cutting Instructions

    Note: 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 saw dust around clutch and guide bar area and wash with water. Coat metal parts with light oil. X7503253203 © 6/2015 ECHO Inc.
  • Page 25 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. X7503253203 © 6/2015 ECHO Inc.
  • Page 26 To cut the trunk, use the bucking and two-cut sequence shown. The first cut should be no deeper than one-third the trunk diameter. When the bar nose hits another tree, etc. X7503253203 © 6/2015 ECHO Inc.

  • Page 27: Chain And Guide Bar Combination

    Chain and guide bar gauge size must be identical. Use Bar/Chain combinations shown in table above. If your tip 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.

  • Page 28: Maintenance

    If you are unsure or are not equipped with the necessary tools, you may want to take your unit to an 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.

  • Page 29: Carburetor Adjustment

    When starting, idling adjustment speed should be adjusted to prevent the saw chain from moving. When you experience trouble with the carburetor, contact your dealer. X7503253203 © 6/2015 ECHO Inc.

  • Page 30: Air Filter

    1. Using a wire bent into the shape of a hook, pull filter out through gas port, and inspect filter. 2. When the filter is dirty, replace it. 3. When the inside of the fuel tank is dirty, rinse the tank out with gasoline to clean it. X7503253203 © 6/2015 ECHO Inc.

  • Page 31: Automatic Oiler

    2. Clean the groove (A) of the guide bar with a small screwdriver. 3. Clean oil holes (B) with a wire. 4. Invert guide bar periodically. 5. Clean the bar mount area before installing of the bar. X7503253203 © 6/2015 ECHO Inc.

  • Page 32: Sprocket

    USDA Forest Service Regulation SAE J335. Check with your local or state authorities for specific regulations in your area. Failure to follow these requirements is a violation of the law. X7503253203 © 6/2015 ECHO Inc.

  • Page 33: Spark Arrestor Screen

    11. Install guide bar and chain. Adjust chain tension. 12. Start engine and check for exhaust leaks between muffler and cylinder head. Stop engine if leak is found and correct problem before operating chain saw. X7503253203 © 6/2015 ECHO Inc.

  • Page 34: Setting The Saw Chain

    • For setting saw chain, round file (4.0 mm [5/32 in.] diam.) and flat file are used. 30° • Push file as shown. Keep this angle • To keep correct position and correct angle, use a file holder. • Hold the file horizontally. 90° X7503253203 © 6/2015 ECHO Inc.
  • Page 35 • If the saw chain becomes soiled with resin, for instance, clean 0.64 mm (0.025 in.) it with kerosene and soak in it oil. To sharpen other chains, follow chain manufacturer’s instructions. Parallel Depth gauge X7503253203 © 6/2015 ECHO Inc.

  • Page 36: Troubleshooting

    See your Echo dealer starts hard/  Stop switch OFF  Turn switch to ON  doesn’t start Spark at end of See your Echo dealer  No spark Electrical problem plug wire Interlock switch See your Echo dealer Spark gap incorrect...

  • Page 37: Storage

    Note: • For future reference, you should keep this Instruction manual and the Safety manual. • If this Instruction manual or the Safety manual has become illegible or is lost, please contact your ECHO dealer, or go to www.echo-usa.com. X7503253203...

  • Page 38: Technical Data

    Spark plug NGK BPMR8Y Fuel tank capacity 410 mL (13.9 US. fl. oz.) 50 : 1 Power Blend X or ECHO Red Armor ® ISO-L-EGD (ISO/CD 13738) and Fuel J.A.S.O. M345- FD, two-stroke, air-cooled engine oil. Use 89 octane unleaded. Do not use fuel containing methyl alcohol, more than 10 % Gasoline ethyl alcohol or 15 % MTBE.

  • Page 39: Warranty Statements

    Any misuse from contact with concrete, rocks, or other structures is not covered by this warranty. • ECHO’s Rapid Loader String Head carries a lifetime warranty on the line locking system, parts only; no labor. Refer to your operator’s manual for string head installation and maintenance instructions.
  • Page 40 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. engine speeds as listed in your operator’s manual.

  • Page 41: Product Registration

    Please go to http://www.echo-usa.com/Warranty/Register-Your-ECHO to register your new product on-line. It's FAST and EASY! NOTE: your information will never be sold or misused by ECHO, Inc. Registering your purchase enables us to contact you in the unlikely event of a service update or product recall, and verifies your ownership for warranty consideration.

  • Page 42: Notes

    NOTES CS-370F NOTES X7503253203 © 6/2015 ECHO Inc.

  • Page 43: Servicing Information

    Service of this product during the warranty period must be performed by an Authorized ECHO Service Dealer. For the name and address of the Authorized ECHO Service Dealer nearest you, ask your retailer or call: 1-800-432-ECHO (3246). Dealer information is also available on our Web Site. When presenting your unit for Warranty service/repairs, proof of purchase is required.
  • Page 44 ECHO, INCORPORATED C27713001001/C27713999999 400 Oakwood Road Lake Zurich, IL 60047 www.echo-usa.com...

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