Shindaiwa 305s Operator's Manual
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Shindaiwa 305s Operator's Manual

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The engine exhaust from this product contains chemicals
known to the State of California to cause cancer, birth defects,
or other reproductive harm.
Read and understand all provided literature before
use. Failure to do so could result in serious injury.
Note: This product complies with CAN ICES-2/NMB-2.
X7503275503
© 10/2020 ECHO Incorporated
Operator's
Manual
305s
Chain Saw

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  • Page 1 Operator’s Manual 305s Chain Saw The engine exhaust from this product contains chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. Read and understand all provided literature before use. Failure to do so could result in serious injury.

  • Page 2: Table Of Contents

    TABLE OF CONTENTS 305S TABLE OF CONTENTS Introduction......................... 3 Servicing Information....................3 Parts/Serial Number................... 3 Service ....................... 4 Consumer Product Support................4 Product Registration................... 4 Additional Literature ................... 4 Packing List ........................ 4 Safety ......................... 5 Rules For Safe Operation .................. 5 Correct Use Of Chain Brake ................

  • Page 3: Introduction

    SERVICING INFORMATION Parts/Serial Number Genuine SHINDAIWA Parts and Assemblies for your SHINDAIWA products are available only from an Authorized SHINDAIWA Dealer. When you do need to buy parts always have the Model Number and Serial Number of the unit with you.

  • Page 4: Service

    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 5: Safety

    305S SAFETY SAFETY Rules For Safe Operation Kickback Safety Precautions for Chain Saw Users 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 6: Correct Use Of Chain Brake

    SAFETY 305S With a basic understanding of kickback, you can reduce or eliminate the element of Kickback Danger Zone surprise. Sudden surprise contributes to accidents. Keep a good firm grip on the saw with both hands, the right hand on the rear handle, and...
  • Page 7 305S SAFETY Testing The Brake • Start the engine on a solid level Locked surface and run at a fast idle until warm. • Hold the saw firmly by the handles and accelerate the engine to a fast idle. • Slowly operate the chain brake lever while holding the saw firmly on the ground.
  • Page 8 SAFETY 305S ANSI Standard B175.1 and CSA Z62.1.3 stipulate that the brake shall stop the chain 0.12 seconds at an engine speed of 13,500 r/min. It is the 35 cm responsibility of the owner/ (14 in.) operator to ensure that the...
  • Page 9 305S SAFETY Other Safety Precautions Do not operate a chain saw with one hand! Serious injury to the operator, helpers, bystanders, or any combination of these persons may result from one-handed operation. A chain saw is intended for two- handed use.
  • Page 10 SAFETY 305S 18. When transporting your chain saw, use the appropriate guide bar scabbard. 19. A spark arrestor muffler approved to SAE Standard J335 is standard on this chain saw to reduce the possibility of forest fires. Do not operate the chain saw with a loose or defective muffler.
  • Page 11 305S SAFETY Moving parts can amputate fingers or cause severe injuries. Keep hands, clothing and loose objects away from all openings. ALWAYS stop engine, disconnect spark plug, and make  sure all moving parts have come to a complete stop before removing obstructions, clearing debris, or servicing unit.

  • Page 12: Personal Condition And Safety Equipment

    SAFETY 305S Personal Condition and Safety Equipment Cancer and Reproductive Harm www.P65Warnings.ca.gov The muffler or catalytic muffler and surrounding cover may become extremely hot. Always keep clear of exhaust and muffler area, otherwise serious personal injury might occur. Users of this product risk injury to themselves and others if the unit is used improperly and/or safety precautions are not followed.
  • Page 13 305S SAFETY Hand Protection Wear sturdy, no-slip, rubber work gloves to improve your grip on the handles. Gloves also provide protection against cuts and scratches, cold environments, and reduce the transmission of machine vibration to your hands. Hearing/Ear Protection ECHO recommends wearing personal protective equipment whenever unit is used.
  • Page 14 SAFETY 305S The components of this machine generate an electromagnetic field during operation, which can interfere with some pacemakers. To reduce the risk of serious or fatal injury, persons with pacemakers should consult with their physician and the pacemaker manufacturer before operating this machine.
  • Page 15 305S SAFETY 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 16: International Symbols

    SAFETY 305S Do not operate this product indoors or in inadequately ventilated areas. Engine exhaust contains poisonous emissions and can cause serious injury or death. International Symbols Symbol Description Symbol Description WARNING! Read and follow all safety precautions in Carburetor the instruction manual.
  • Page 17 305S SAFETY Symbol Description Symbol Description Chain Oiler Chain Brake Operation Adjustment Choke Control “COLD START” Position (Choke Closed) Purge Pump Choke Control “RUN” Position (Choke Open) De-Compression STOP / Momentary Device STOP Switch Note: Not all symbols will appear on your unit.

  • Page 18: Manual Safety Symbols And Important Information

    SAFETY 305S 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 19: (Exhaust & Evaporative)

    305S EMISSION CONTROL EMISSION CONTROL (EXHAUST & EVAPORATIVE) CARB And EPA Emissions Control Information The emission control system for the engine is EM (engine modification) and, if the second to last character of the Engine Family on the Emission Control Information label (sample below) is “B”, “C”, “K”, or “T”, the emission...

  • Page 20: 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. Safety label is for example only. Your label my appear slightly different.
  • Page 21 305S DESCRIPTION Chain Brake Lever / Front Hand Guard Spark Arrestor Muffler Or Spark Arrestor Muffler With Catalyst Kick Guard (Optional) Saw Chain Guide Bar Chain Catcher Chain Tension Adjuster Chain Brake / Sprocket Guard Rear Hand Guard 10. Purge Pump 11.

  • Page 22: Preparation For Use

    DESCRIPTION 305S 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 saw chain separated. Install guide bar, tip guard, and saw chain as follows.
  • Page 23 305S DESCRIPTION Guide Bar and Saw Chain Installation/Removal Release the cylinder cover latches, and remove the cylinder cover. Remove spark plug lead. Remove sprocket guard nuts Unlock chain brake (A) and remove sprocket guard (B). Remove guide bar and saw chain if necessary.
  • Page 24 DESCRIPTION 305S Adjusting Chain Tension Always loosen sprocket guard nuts before turning the chain tension adjuster, otherwise the sprocket guard and tensioner will be damaged. Release the cylinder cover Unlock chain brake latches, and remove the cylinder cover. Remove spark plug lead.

  • Page 25: Operation

    OPERATION Fuel Diesel fuels and alternative fuels, such as E15 (15% ethanol), E85 (85% ethanol) or any fuels not meeting Shindaiwa requirements are NOT approved for use in Shindaiwa 2-stroke or Hybrid 4-stroke gasoline engines. Use of diesel or alternative...
  • Page 26 NOT approved. Use of ECHO branded fuel is recommended to extend engine life in all air-cooled 2-stroke and 2/4-stroke hybrid engines. Two Stroke Oil - A 2-stroke engine oil, such as Shindaiwa branded 2-stroke oils, meeting ISO-L-EGD (ISO/CD 13738) and J.A.S.O. FD Standards must be used.
  • Page 27 305S OPERATION Handling Fuel Fuel is VERY flammable. Use extreme care when mixing, storing or handling, or serious personal injury may result. Use an approved fuel container. ◆ DO NOT smoke near fuel. ◆ DO NOT allow flames or sparks near fuel.

  • Page 28: Chain Lubricant

    OPERATION 305S Spilled fuel is a leading cause of hydrocarbon emissions. Some states may require the use of automatic fuel shut-off containers to reduce fuel spillage. After use • Empty the fuel tank prior to storing the unit. Return unused fuel to an approved fuel storage container.

  • Page 29: Winter Operation

    305S OPERATION • SAE No. 30..in summer • SAE No. 10..in winter or when cutting resinous trees. • When refueling, also refill chain oil. Moving parts can amputate fingers or cause severe injuries. Keep hands, clothing and loose objects away from all openings.

  • Page 30: Starting Cold Engine

    OPERATION 305S Starting Cold Engine Make sure the bar and chain are free from any obstruction when starting the chain saw. Move chain brake lever fully Chain brake FORWARD to LOCK chain brake before starting. Fill the fuel tank with fuel mixture.
  • Page 31 305S OPERATION Securely hold the chain saw and pull starter handle several times until first starting sound. Push choke control knob all the way IN (OPEN choke position). Pull starter handle to start the engine. Note: Do not pull starter rope out to the maximum possible position.

  • Page 32: Starting Warm Engine

    OPERATION 305S Starting Warm Engine Make sure the bar and chain are free from any obstruction when starting the chain saw. Move chain brake lever fully Chain brake FORWARD to LOCK chain brake before starting. Confirm there is fuel and chain oil in the tanks.

  • Page 33: Running

    305S OPERATION Choke may be used if necessary, but after first starting sound, squeeze throttle trigger to release choke and return engine to idle. Note: If engine does not start after 5 pulls, use cold start procedure. Note: Do not increase engine speed while chain brake is locked.

  • Page 34: Stopping

    OPERATION 305S Squeeze throttle trigger (B) gradually and increase engine speed. The chain starts running when the engine reaches clutch engagement speed (see technical data page). Confirm proper acceleration and lubrication of chain and bar. Do not run the engine at high speed unnecessarily.

  • Page 35: Chain Lubrication Test

    305S OPERATION 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. Cutting Instructions General This chain saw is designed for cutting wood. Do not cut ◆...
  • Page 36 OPERATION 305S The accepted way to hold the saw is to stand to the left of the saw with your left hand on the front handle and your right hand on the rear handle so you can operate the throttle trigger with your right index finger.
  • Page 37 305S OPERATION Do not run a chainsaw not under cutting load at wide open ◆ throttle longer than 5 seconds or engine damage can occur. Keep chain properly tensioned during operation to prevent ◆ the chain from jumping out of the guide bar rail slot and damaging metal engine parts.
  • Page 38 OPERATION 305S To fell big trees with a diameter exceeding twice the bar length, start the notching cuts from one side and draw the saw through to the other side of the notch. Start the back cut on one side of the tree, pivoting the saw through to form the desired hinge on that side.

  • Page 39: Chain And Guide Bar Combination

    305S OPERATION Bucking Bucking is the sawing of a log or Uphill Position fallen tree into smaller pieces. There are a few basic rules which apply to all bucking operations. • Keep both hands on the handles at all times.

  • Page 40: Kick Guard Tm

    To purchase an optional Kick Guard contact your dealer. For the name of the dealer nearest you, For ECHO, Call: 1-800-432-ECHO (3246) or on the web at www.echo-usa.com. For Shindaiwa, Call: 1-877-986-7783 or on the web at www.shindaiwa-usa.com. Guide Bar (Low-kickback) Replacement guide bars.

  • Page 41: Maintenance

    305S MAINTENANCE MAINTENANCE Moving parts can amputate fingers or cause severe injuries. Keep hands, clothing and loose objects away from all openings. Always stop engine, disconnect spark plug, and make sure all moving parts have come to a complete stop before removing obstructions, clearing debris, or servicing unit.

  • Page 42: Maintenance Intervals

    MAINTENANCE 305S Maintenance Intervals Units equipped with a Momentary STOP Switch automatically return to RUN position. Engine can start unintentionally. Always remove spark plug lead from spark plug before assembling or performing maintenance procedures, otherwise serious personal injury can result.

  • Page 43: Carburetor Adjustment

    305S MAINTENANCE REQ’D COMPONENT / SYSTEM MAINTENANCE PROCEDURE SKILL LEVEL Yearly Fuel Filter Inspect / Replace * Fuel Cap Gasket Replace * IMPORTANT NOTE - Time intervals shown are maximum. Actual use and your experience will determine the frequency of required maintenance.

  • Page 44: Air Filter

    MAINTENANCE 305S Stop engine. Turn “H” High Speed needle counterclockwise (CCW) to stop. Turn “L” Low Speed needle midway between full clockwise (CW) stop and CCW stop. Idle Speed Adjustment: • Start engine, turn Idle Speed Adjustment Screw “T” CW until the saw chain begins to move, then turn screw out CCW until the saw chain stops moving.

  • Page 45: Spark Plug

    305S MAINTENANCE Spark Plug • Check periodically. • The standard spark gap is 0.65 mm (0.026 in.). • Fastening torque: 13-17 N•m (110-150 lbf•in). 0.65 mm (0.026 in.) Remove cylinder cover and remove spark plug. Correct the spark gap if it is wider or narrower than the standard gap.

  • Page 46: Oil Filter

    MAINTENANCE 305S Note: Federal EPA regulations require all model year 2012 and later gasoline powered engines produced for sale in the United States to be equipped with a special low permeation fuel supply hose between the carburetor and fuel tank. When...

  • Page 47: Sprocket

    305S MAINTENANCE Sprocket • A damaged sprocket will cause Worn: 0.5 mm (0.020 in.) premature damage or wear of saw chain. • When the sprocket has worn 0.5 mm (0.020 in.) or more, replace it. • Check sprocket when you install new chain.

  • Page 48: Spark Arrestor Screen

    MAINTENANCE 305S Spark Arrestor Screen Carbon deposits in muffler will cause drop in engine output and overheating. Spark arrestor screen must be checked periodically. Remove air cleaner cover and remove spark plug lead. Remove spark arrestor cover (C) and screen (B) from muffler (A) body.

  • Page 49: Setting The Saw Chain

    305S MAINTENANCE Use a wood or plastic scraping tool to clean deposits from cylinder exhaust port. Install muffler. Tighten muffler mounting bolts (or nuts) to 7 - 9 N•m (60- 80 lbf•in). Install cylinder cover and attach spark plug lead.
  • Page 50 MAINTENANCE 305S • Drive link serves to remove sawdust from the groove of the guide bar. Keep the lower edge of the drive link sharp where indicated. Sharpen lower edge Setting Saw Chain • For setting saw chain, round file (4.0 mm [5/32 in.] diam.) and flat...
  • Page 51 305S MAINTENANCE • Be sure to round off the front edge Depth gauge tool of the depth gauge. • Properly filed cutters are shown in illustration. • When setting of the chain is 55° finished, soak it in oil and wash away filings completely before using.

  • Page 52: Troubleshooting

    TROUBLESHOOTING 305S To sharpen other chains, follow chain manufacturer’s instructions. TROUBLESHOOTING ENGINE PROBLEM TROUBLESHOOTING CHART Problem Check Status Cause Remedy Fuel strainer or Clean or replace Fuel at No fuel at fuel line carburetor carburetor See your dealer obstructed No fuel at...

  • Page 53: Storage

    305S STORAGE ENGINE PROBLEM TROUBLESHOOTING CHART Problem Check Status Cause Remedy Plug dirty or Clean and adjust Spark plug Normal wear Engine worn or replace runs, but Improper Carburetor Vibration Adjust dies adjustment Extended Cooling Cooling operation in system dirty...

  • Page 54: Specifications

    • For future reference, you should keep this Operator’s Manual. • If this Operator’s Manual becomes illegible or is lost, please contact your ECHO dealer, or go to www.echo-usa.com. SPECIFICATIONS Model Shindaiwa 305s Length 396 mm (15.6 in.) Width 232 mm (9.1 in.) Height 273 mm (10.7 in.)
  • Page 55 305S SPECIFICATIONS Model Shindaiwa 305s Use 89 octane unleaded. Do not use fuel containing methyl alcohol, more than 10% ethyl alcohol or 15% Gasoline MTBE. Do not use alternative fuels such as E-15 or E- ISO-L-EGD (ISO/CD 13738) and JASO M345-FD two-stroke, air-cooled engine oil.

  • Page 56: Product Registration

    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 57 305S PRODUCT REGISTRATION X7503275503 © 10/2020 ECHO Incorporated...
  • Page 58 NOTES 305S NOTES X7503275503 © 10/2020 ECHO Incorporated...
  • Page 59 305S NOTES X7503275503 © 10/2020 ECHO Incorporated...
  • Page 60 C68015001001 - C68015999999 ECHO INCORPORATED 400 Oakwood Road Lake Zurich, IL 60047 -usa www.shindaiwa .com...

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