Shindaiwa 402s Instruction Manual
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Shindaiwa 402s Instruction Manual

Shindaiwa 402s Instruction Manual

Chain saw
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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.
X7503255001
©8/2015 ECHO Inc.
402s
CHAIN SAW
Burn Hazard

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  • Page 1: Instruction Manual

    / x772000164 402s CHAIN SAW Instruction Manual Burn Hazard 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.

  • Page 2: Table Of Contents

    TABLE OF CONTENTS 402S TABLE OF CONTENTS Table of Contents .................................. 2 Packing List ................................... 3 Safety..................................... 4 Rules For Safe Operation ............................... 4 Correct Use Of Chain Brake ............................5 Personal Condition and Safety Equipment ........................8 Symbols and Signs ............................... 11 Manual Safety Symbols and Important Information......................

  • Page 3: Packing List

    The Shindaiwa 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 Shindaiwa Dealer of damaged or missing parts. Use the contents list to check for missing parts.

  • Page 4: Safety

    SAFETY 402S SAFETY Rules For Safe Operation Kickback Safety Precautions for Chain Saw Users For more information scan this QR code. KICKBACK may occur when the nose or tip of the guide bar touches an object, or when the wood closes in and pinches the saw chain in the cut.

  • Page 5: Correct Use Of Chain Brake

    402S SAFETY Correct Use Of Chain Brake Chain Brake Operation Locked • Set the lever in the unlocked position before starting to cut. • If the brake is tripped by kickback reaction, the chain will stop immediately. Release the throttle to avoid possible damage to the engine or clutch.
  • Page 6 SAFETY 402S Automatic Chain Brake 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. Stop the engine. 35 cm 2. Hold the saw with the guide bar approximately 35 cm (14 (14 in.)
  • Page 7 402S SAFETY 14. Keep the handles dry, clean, and free of oil or fuel mixture. 15. Operate the chain saw only in well ventilated areas. 16. Do not operate a chain saw in a tree unless you have been specifically trained to do so.

  • Page 8: Personal Condition And Safety Equipment

    SAFETY 402S 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.
  • Page 9 402S SAFETY • DO NOT WEAR TIES, SCARVES, JEWELRY, or clothing with loose or hanging items that could become entangled in moving parts or surrounding growth. • Keep clothing buttoned or zipped, and keep shirt tails tucked in. Wear sturdy work shoes with nonskid rubber soles: •...
  • Page 10 SAFETY 402S Repetitive Stress Injuries (RSI) It is believed that overusing the muscles and tendons of the fingers, hands, arms, and shoulders may cause soreness, swelling, numbness, weakness, and extreme pain in those areas. Certain repetitive hand activities may put you at a high risk for developing a Repetitive Stress Injury (RSI).

  • Page 11: Symbols And Signs

    402S SAFETY Symbols and Signs Symbol form/shape Symbol description/application Symbol form/shape Symbol description/application WARNING! Read and follow all safety precaution in the instruction Choke control “COLD START” manual. Failure to follow position (choke closed) instructions could result in serious personal injury.

  • Page 12: Manual Safety Symbols And Important Information

    EMISSION CONTROL (EXHAUST / EVAPORATIVE) 402S Manual Safety Symbols and Important Information Throughout this manual and on the product itself, you will find safety alerts and helpful, informational messages preceded by symbols or key words. The following is an explanation of those symbols and key words and what they mean to you.

  • 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 Shindaiwa dealer. See PARTS ORDERING instructions for specific information.
  • Page 14 DESCRIPTION 402S 1. CHAIN BRAKE LEVER/FRONT HAND GUARD - Locks and unlocks the chain brake to stop or allow saw chain rotation. Guard between the front handle and the saw chain helps protect the hand from injuries if the hand slips off the handle.

  • Page 15: Preparation For Use

    402S DESCRIPTION Preparation For Use 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 For more information saw chain separated. Install guide bar, tip guard, and saw scan this QR code.
  • Page 16 DESCRIPTION 402S 5. Mount guide bar on studs (E) and slide toward sprocket (F) to make saw chain installation easier. Install saw chain around sprocket and guide bar as shown, with cutters on top of guide bar facing forward. 6. Install sprocket guard over guide bar studs. Ensure chain tension adjuster pin (H) fits into the guide bar adjuster hole (G), brake band (J) is positioned around clutch drum.

  • Page 17: Operation

    OPERATION Fuel Alternative fuels, such as E15 (15% ethanol), E-85 (85% ethanol) or any fuels not meeting Shindaiwa requirements are NOT approved for use in Shindaiwa 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 Shindaiwa Red Armor 2-Stroke Oil is strongly recommended as it meets this standard and is specifically formulated for use in all Shindaiwa 2-stroke engines. Engine problems due to inadequate lubrication caused by failure to use an ISO-L-EGD (ISO/CD 13738) and J.A.S.O. M345-FD certified oil will void the engine warranty.

  • Page 19: Chain Lubricant

    402S OPERATION • DO NOT store a unit with fuel in its tank. Leaks can occur. Return unused fuel to an approved fuel storage container. Storage - Fuel storage laws vary by locality. Contact your local government for the laws affecting your area.

  • Page 20: Winter Operation

    OPERATION 402S Winter Operation Air cleaner cover - Use the winter plug (A) to prevent carburetor trouble in winter. • Remove air cleaner cover. Remove plug from warm weather position (B), and install into cold weather position (C). Note: For operation at normal temperature (5° C [41° F]) return the plug to its original position.

  • Page 21: Starting Warm Engine

    402S OPERATION 7. Securely hold the chain saw and pull starter handle several times until first starting sound. 8. Push choke control knob all the way IN (OPEN choke position). 9. Pull starter handle to start the engine. Note: Do not pull starter rope out to the maximum possible position.

  • Page 22: Running

    OPERATION 402S Running Unlock Chain brake The saw chain should not move at idle, otherwise serious personal injury may result. Note: If saw chain moves adjust carburetor according to “Carburetor Adjustment” instructions in this manual, or see your dealer. 1. After engine starts, allow it to return to idle and warm up before using.

  • Page 23: Chain Lubrication Test

    402S OPERATION Do not operate with a loose chain. Chain Lubrication Test Hold the chain just above a dry surface and open the throttle to half speed for 30 seconds. A thin line of “thrown” oil should be seen on the dry surface.
  • Page 24 OPERATION 402S Start the engine, see that it is running properly. Squeeze the trigger to open the throttle wide open and start the cut. If the chain is properly sharpened, the cutting should be relatively effortless. It is not necessary to press down hard to make the saw cut.
  • Page 25 402S OPERATION Begin the cut on the side to which the tree is to fall. Cut a notch Direction of fall about 1/3 of the way into the tree. The position of this notch is Hinge 5 cm (2 in.) important since the tree will try to fall “into”...
  • Page 26 OPERATION 402S Bucking Bucking is the sawing of a log or fallen tree into smaller pieces. There are a few basic rules which apply to all bucking Uphill position operations. • Keep both hands on the handles at all times.

  • 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 Shindaiwa dealer for a replacement. For the name of the Shindaiwa dealer nearest you, Call: 1-877-986-7783 or on the web at www.shindaiwa-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 SHINDAIWA Service Dealer for maintenance. To help you decide whether you want to DO-IT-YOURSELF or have the SHINDAIWA Dealer do it, each maintenance task has been graded.

  • Page 29: Carburetor Adjustment

    402S MAINTENANCE Carburetor Adjustment Every unit is run at the factory and the carburetor is set in compliance with Emission Regulations. In addition, the carburetor is equipped with “H” (High Speed) and “L” (Low Speed) needle adjustment limiters that prevent settings outside acceptable limits.

  • Page 30: Air Filter

    MAINTENANCE 402S Air Filter 1. Check before every use. 2. CLOSE choke ( 3. Remove air cleaner cover (A) and air filter (B). 4. Lightly brush dust off air filter, or clean with compressed air, or replace the air filter.

  • Page 31: Automatic Oiler

    402S MAINTENANCE Automatic Oiler • The discharge volume of the automatic oiler is adjusted to approximately 4 mL/min at 7000 r/min, prior to Increase Decrease shipment from factory. • Always check oil discharge when in use. • Turn adjusting screw (A) counterclockwise to increase oil volume, clockwise to decrease oil volume.

  • Page 32: Cooling System Cleaning

    MAINTENANCE 402S Cooling System Cleaning Cylinder fins • Check periodically. • Clogged fins will result in poor engine cooling. 1. Remove air cleaner cover, cylinder cover, and starter. 2. Use compressed air or wooden tool to remove dirt and dust from between fins to let cooling air pass easily.

  • Page 33: Exhaust Port Cleaning

    402S MAINTENANCE Exhaust Port Cleaning Level 2. Parts Required: As needed: Muffler gasket 1. Remove air cleaner cover and remove spark plug lead. 2. Remove engine cover. 3. Place piston at top dead center. 4. Remove muffler. Check parts for wear or damage, and replace if necessary.
  • Page 34 MAINTENANCE 402S For more information scan this QR code. Important points for proper maintenance of saw chain: • Keep the cutters sharp at all times. • Keep the left and the right cutters properly aligned. • Note that blunt or irregular cutters will result in poor cutting performance, increased vibration of chains and premature breakage of the saw chain.
  • Page 35 402S MAINTENANCE • Properly filed cutters are shown in illustration. • When setting of the chain is finished, soak it in oil and wash 55° away filings completely before using. • When chain has been filed on the bar, supply sufficient oil to it, move the chain slowly to wash away the filings before using again.

  • Page 36: Troubleshooting

    Remedy •Fuel strainer clogged •Clean or replace •Fuel line clogged •Clean or replace Fuel at carburetor No fuel at carburetor •Carburetor •See your SHINDAIWA dealer See your SHINDAIWA No fuel at cylinder Carburetor dealer •Open choke  Fuel at cylinder •Clean/replace air filter...

  • Page 37: Storage

    • 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 Shindaiwa dealer, or go to www.shindaiwa-usa.com. X7503255001 ©8/2015 ECHO Inc.

  • Page 38: Technical Data

    Diaphragm type Spark plug NGK BPM8Y (Gap 0.65 mm [0.026 in.]) Fuel tank capacity 410 mL (13.9 US. fl. oz.) 50 : 1 ratio with Shindaiwa Red Armor ® ISO-L-EGD (ISO/CD 13738) and JASO Fuel M345-FD two-stroke, air-cooled engine oil.

  • Page 39: Warranty Statements

    Under normal use and maintenance from date of purchase, ECHO, INC. agrees to repair or replace at it’s discretion, any defective product free of charge at any authorized Shindaiwa servicing dealer within listed below application time periods, limitations and exclusions. THIS LIMITED WARRANTY IS ONLY APPLICABLE TO SHINDAIWA PROD- UCTS SOLD BY AUTHORIZED SHINDAIWA DEALERS.
  • Page 40 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 Shindaiwa oil label and covered in your operator’s manual.

  • Page 41: Product Registration

    Thank you for choosing Shindaiwa Power Equipment Please go to http://www.shindaiwa-usa.com 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 402S NOTES X7503255001 ©8/2015 ECHO Inc.

  • Page 43: Servicing Information

     Service Service of this product during the warranty period must be performed by an Authorized SHINDAIWA Service Dealer. For the name and address of the Authorized SHINDAIWA Service Dealer nearest you, ask your retailer or call: 1-877-986-7783. Dealer information is also available on WWW.SHINDAIWA-USA.COM.
  • Page 44 ECHO, INCORPORATED 400 Oakwood Road C37414001001/C37414999999 Lake Zurich, IL 60047 www.echo-usa.com...

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