Echo CS-303T Instruction Manual
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Echo CS-303T 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.
X7503207802
© 08/2013 ECHO Inc.
CS-303T
CHAIN SAW
Burn Hazard

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Summary of Contents for Echo CS-303T

  • 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

    Technical Data ..................................37 Warranty Statements ................................38 Notes ....................................40 Servicing Information ................................43 Parts/Serial Number ..............................43 Service..................................43 Echo Consumer Product Support ..........................43 Warranty Registration ..............................43 Additional or Replacement Manuals ..........................43 X7503207802 © 08/2013 ECHO Inc.

  • Page 3: Packing List

    After opening the carton, check for damage. Immediately notify your retailer or ECHO dealer of damaged or missing parts. Use the packing list to check for missing parts.

  • Page 4: Safety

    The tip guard device is not installed on the guide bar when you purchase your ECHO chain saw. The tip guard can be used in a Rotational kickback majority of cutting operations, and is especially recommended for beginners, homeowners, or chain saw novices.

  • Page 5: Correct Use Of Chain Brake

    Immediately release the throttle trigger. Do not allow the saw to tip forward in order to avoid damage to the chain. If the chain does not stop immediately, return the saw to your authorized ECHO dealer for repair. Note: •...
  • Page 6 13. When cutting a limb that is under tension, be alert for spring-back so that you will not be struck when the tension in the wood fibers is released. X7503207802 © 08/2013 ECHO Inc.
  • Page 7 18. When transporting your chain saw, use the appropriate guide bar scabbard. 19. Spark arrestor mufflers approved to SAE Standard J335 are standard on ECHO chain saws to reduce the possibility of forest fires. Do not operate the chain saw with a loose or defective muffler. Do not remove the spark arrestor screen.

  • Page 8: Personal Condition And Safety Equipment

    Breathing Protection Wear a face mask to protect against dust. Hearing Protection ECHO recommends wearing hearing protection whenever unit is used. Proper Clothing Wear snug fitting, durable clothing; • Pants should have long legs, shirts with long sleeves.
  • Page 9 ECHO does not recommend the use of ECHO products 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. X7503207802 © 08/2013 ECHO Inc.

  • Page 11: Symbols And Signs

    Both of the operator’s hands must Purge pump be used to operate the chain saw Hot Surface Carburetor Adjustment - Low speed mixture Chain brake operation Carburetor Adjustment - High speed mixture Emergency stop Carburetor Adjustment - Idle speed X7503207802 © 08/2013 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. X7503207802 © 08/2013 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 2. Throttle Latch - Device that sets idle speed to fast idle when choke control is operated. 3. Chain Brake - Stops the saw chain. 4. Drive Sprocket - Drives saw chain. 5. Clutch - Turns drive sprocket when engine rpm is fast enough to provide the power needed for cutting. X7503207802 © 08/2013 ECHO Inc.

  • Page 15: Preparation For Use

    2. Remove spark plug lead. 3. Remove sprocket guard nuts (A) and remove sprocket guard (B). 4. Remove guide bar and saw chain if necessary. Note: See “Maintenance and Care” section for guide bar/saw chain maintenance procedures. X7503207802 © 08/2013 ECHO Inc.
  • Page 16 Tighten guide bar nuts to 20 to 23 N•m (175 to 200 in•lbf). DO NOT over-tighten nuts. Damage to saw may result. 6. Assemble components in reverse order. 7. Keep chain properly tensioned at all times. X7503207802 © 08/2013 ECHO Inc.

  • Page 17: 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 18: Chain Lubricant

    Stored fuel ages. Do not mix more fuel than you expect to use in thirty (30) days, ninety (90) days when a fuel stabilizer is added. Stored two-stroke fuel may separate. ALWAYS shake fuel container thoroughly before each use. Chain Lubricant Note: Cap indication - Fuel/oil tanks are indicated by the following illustrations X7503207802 © 08/2013 ECHO Inc.

  • Page 19: Starting Cold Engine

    • 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. Fuel tank cap Oil tank cap •...

  • Page 20: Starting Hard To Start Engine

    • Never use throttle lock button for cutting. • Use the throttle lock button only in starting. Note: Do not increase engine speed while chain brake is locked. Severe brake damage will result. X7503207802 © 08/2013 ECHO Inc.

  • Page 21: Starting Warm Engine

    4. The chain starts moving when the engine reaches clutch engagement speed (see technical data page). 5. Confirm proper acceleration and lubrication of chain and bar. 6. Do not run the engine at high speed unnecessarily. 7. Be sure that saw chain stops moving when throttle trigger is released. X7503207802 © 08/2013 ECHO Inc.

  • Page 22: Stopping

    2. Move chain brake lever fully forward to lock chain brake 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. Checking Chain Tension Chain tension should be checked frequently during work and corrected as necessary.
  • Page 23 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 wash with water.
  • Page 24 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. X7503207802 © 08/2013 ECHO Inc.
  • Page 25 Support 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. X7503207802 © 08/2013 ECHO Inc.

  • Page 26: 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 27: 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 28: Carburetor Adjustment

    This engine has been factory adjusted to maintain satisfactory starting, emission, and durability performance up to 1,100 feet above sea level (ASL) (96.0 kPa). To maintain proper engine operation and emission compliance above 1,100 feet ASL the carburetor may need to be adjusted by an authorized ECHO service dealer.

  • Page 29: Air Filter

    2. If the strainer is dirty, clean with suitable cleaning fluid. 3. When the inside of the fuel tank is dirty, rinsing the tank out with gasoline can clean it. X7503207802 © 08/2013 ECHO Inc.

  • Page 30: 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. X7503207802 © 08/2013 ECHO Inc.

  • Page 31: 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. X7503207802 © 08/2013 ECHO Inc.

  • Page 32: Spark Arrestor Screen

    9. Stop engine, and re-tighten mounting nuts to 9-11 N•m (80-95 in•lbf). 10. Install muffler cover. 11. 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. X7503207802 © 08/2013 ECHO Inc.

  • Page 33: Setting The Saw Chain

    • For setting saw chain, round file (4.0 mm dia. 5/32 in.) 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° X7503207802 © 08/2013 ECHO Inc.
  • Page 34 • 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 X7503207802 © 08/2013 ECHO Inc.

  • Page 35: Troubleshooting

     See your Echo dealer doesn’t start Stop switch off  Turn switch to ON  Spark at end of See your Echo dealer  No spark Electrical problem plug wire Interlock switch See your Echo dealer Spark gap incorrect Adjust to .65mm (0.026 in.)...

  • Page 36: 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. X7503207802...

  • Page 37: Technical Data

    NGK BPM8Y Fuel tank capacity 250mL (8.5 US. fl. oz.) 50 : 1 ratio with ECHO Power Blend X™, ISO-L-EGD (ISO/CD 13738) and JASO Fuel 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 38: Warranty Statements

    ECHO'S RESPONSIBILITY ECHO Incorporated’s Limited Warranty, provides to the original purchaser that this ECHO product is free from defects in material and workmanship. Under normal use and maintenance from date of purchase, ECHO agrees to repair or replace at ECHO’s discretion, any defective product free of charge at any authorized ECHO servicing dealer within listed below application time periods, limitations and exclusions.
  • Page 39 . Gasohol which contains a 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. of unauthorized attachments.

  • Page 40: Notes

    NOTES CS-303T NOTES X7503207802 © 08/2013 ECHO Inc.
  • Page 41 CS-303T NOTES X7503207802 © 08/2013 ECHO Inc.
  • Page 42 NOTES CS-303T X7503207802 © 08/2013 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 C26111001001/C26111999999 ECHO, INCORPORATED C26012001001/C26012999999 400 Oakwood Road Lake Zurich, IL 60047 www.echo-usa.com...

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