Shindaiwa DH235 Operator's Manual
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Shindaiwa DH235 Operator's Manual

Shindaiwa DH235 Operator's Manual

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Hedge Trimmer
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.
X7702241803
© 12/19 ECHO Incorporated
Operator's
Manual
DH235

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Summary of Contents for Shindaiwa DH235

  • Page 1 Operator’s Manual DH235 Hedge Trimmer 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 DH235 TABLE OF CONTENTS Introduction ....................3 Servicing Information .................. 3 Parts/Serial Number................3 Service ....................4 Consumer Product Support ..............4 Product Registration ................4 Additional Literature ................4 Safety ......................5 Manual Safety Symbols and Important Information ......5 International Symbols ................

  • 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

    DH235 SAFETY SAFETY 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 6: International Symbols

    SAFETY DH235 International Symbols Symbol Description Symbol Description Read and understand Fuel and oil mixture Owners Manual Wear eye, ear and Finger severing head protection Emergency Stop Hot Surface Wear hand and DO NOT smoke near foot protection. fuel Use two handed Choke Control “COLD START”...

  • Page 7: Personal Condition And Safety Equipment

    DH235 SAFETY Symbol Description Symbol Description Plan retreat path Primer Bulb from falling objects DO NOT allow Wear slip resistant flames or sparks footwear near fuel Keep bystanders at least 4.5 meters (15 ft.) away. Personal Condition and Safety Equipment Cancer and Reproductive Harm www.P65Warnings.ca.gov...
  • Page 8 SAFETY DH235 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. Physical Condition Your judgment and physical dexterity may not be good: •...
  • Page 9 DH235 SAFETY Proper Clothing Wear snug-fitting, durable clothing: • Pants should have long legs, shirts should have long sleeves. • DO NOT WEAR SHORTS. • DO NOT WEAR TIES, SCARVES, JEWELRY, or clothing with loose or hanging items that could become entangled in moving parts or surrounding growth.
  • Page 10 SAFETY DH235 It is believed that a condition called Raynaud’s Phenomenon, which affects the fingers of certain individuals, may be brought about by exposure to vibration and cold. Exposure to vibration and cold may cause tingling and burning sensations, followed by loss of color and numbness in the fingers.
  • Page 11 DH235 SAFETY • Immediately stop using all power equipment and consult a doctor if you feel tingling, numbness, or pain in the fingers, hands, wrists, or arms. The sooner RSI/CTS is diagnosed, the more likely permanent nerve and muscle damage can be prevented.

  • Page 12: Equipment

    SAFETY DH235 Never perform blade maintenance procedures while engine is running. Equipment Use only ECHO attachments. Serious injury may result from the use of a non-approved attachment combination. ECHO, INC. will not be responsible for the failure of cutting devices, attachments or accessories which have not been tested and approved by ECHO, INC.

  • Page 13: Emission Control (Exhaust & Evaporative)

    DH235 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 14: Description

    DESCRIPTION DH235 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. Safety label is for example only.

  • Page 15: Contents

    DH235 CONTENTS Purge Bulb Spark Plug Choke Stop Switch Support Handle for Left Hand Blade Cover Guide Bar Cutter Fuel Tank Cap 10. Fuel Tank 11. Gear Case 12. Air Filter 13. Blade Guard 14. Recoil Starter Handle 15. Throttle Trigger Lock Out 16.

  • Page 16: Assembly

    ASSEMBLY DH235 ASSEMBLY This model is factory assembled. OPERATION 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 17: Fuel

    DH235 OPERATION Fuel Diesel fuels and 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 diesel or alternative fuels may cause...
  • Page 18 OPERATION DH235 AVOID repeated or prolonged skin contact. ◆ AVOID inhaling oil mists or vapors. ◆ ECHO branded 2-stroke oils may be mixed at 50:1 ratio for application in all ECHO engines sold in the past regardless of ratio specified in those manuals.
  • Page 19 DH235 OPERATION Mixing Instructions Fuel to Oil Mix – 50:1 Ratio Fill an approved fuel container Metric with half of the required amount of gasoline. Add the proper amount of gal. fl.oz. 2-stroke oil to gasoline. Close container and shake to mix oil with gasoline.

  • Page 20: Starting Cold Engine

    OPERATION DH235 Starting Cold Engine Hedge Trimmer blades are very sharp. Touching them may lead to severe personal injury. Avoid touching blades whenever possible, and always wear gloves to protect hands. Note: The blade cover is used for transportation and storage.

  • Page 21: Starting Warm Engine

    DH235 OPERATION Choke After engine fires (or 5 pulls), move choke (B) to the RUN ( (open) position. Restart engine if necessary and allow unit to warm up at idle for several minutes. Note: If engine does not start with choke in “RUN”...

  • Page 22: Stopping Engine

    OPERATION DH235 Stop Switch Move stop switch (A) away from the STOP position. Purge Bulb Pump purge bulb (C) until fuel is visible and flows freely in the clear fuel tank return line. Pump bulb an additional 4 or 5 times.

  • Page 23: Rotating Operation

    DH235 OPERATION Stop Switch Move stop switch (A) to STOP position. If engine does not stop when stop switch is moved to STOP position, close choke - COLD START position - to stall engine. Have your ECHO dealer repair stop switch before using unit again.

  • Page 24: Hedge Trimming

    OPERATION DH235 Note: The throttle trigger will not operate when the throttle handle is not fully locked into position. Hedge Trimming Hedge Trimmer blades are very sharp. Touching them may lead to severe personal injury. Avoid touching blades whenever possible, and always wear gloves to protect hands.

  • Page 25: Skill Levels

    DH235 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 26 MAINTENANCE DH235 Maintenance Intervals MAINTENANCE REQUIRED COMPONENT/SYSTEM PROCEDURE SKILL LEVEL Daily or Before Use Air Filter Inspect/Clean * Choke Shutter Fuel System Inspect Cooling System Inspect/Clean Recoil Starter Rope Inspect/Clean * Screws/Nuts/Bolts Inspect/Tighten/Replace * Blades Inspect/Clean Every Refuel Fuel System...

  • Page 27: Air Filter

    DH235 MAINTENANCE Air Filter Level 1. Parts Required: AIR FILTER Close choke (A)(COLD START [ ] position). This prevents dirt from entering the carburetor throat when the air filter is removed. Brush accumulated dirt from air cleaner area. Remove air filter cover. Brush dirt from inside cover.

  • Page 28: Spark Plug

    MAINTENANCE DH235 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 29 DH235 MAINTENANCE Removal of cooling passage blockages or cleaning of cooling fins is considered “Normal Maintenance.” Any failure attributed to lack of maintenance is not warranted. Remove spark plug lead. Remove muffler cover. Remove engine cover (A). Use brush to remove dirt from the cylinder fins.

  • Page 30: Exhaust System

    MAINTENANCE DH235 Exhaust System Spark Arrestor Screen Level 2. Parts Required: Spark Arrestor Screen, Gasket Remove spark plug lead. Remove muffler cover (B). Place piston at Top Dead Center (TDC) to prevent carbon/dirt from entering cylinder. Remove exhaust guide (C), gasket (D), and screen (E) from muffler body.

  • Page 31: Carburetor Adjustment

    DH235 MAINTENANCE Use a wood or plastic scraping tool to clean deposits from cylinder exhaust port. Never use a metal tool to scrape carbon from the exhaust port. Do not scratch the cylinder or piston when cleaning the exhaust port. Do not allow carbon particles to enter the cylinder.
  • Page 32 MAINTENANCE DH235 High Altitude Operation 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 above 1,100 feet ASL the carburetor may need to be adjusted by an authorized ECHO service dealer.

  • Page 33: Lubrication

    DH235 MAINTENANCE Lubrication Blades Level 1. Parts Required: Echo RedArmor™ Blade Cleaner & Lubricant, or 20W Engine Oil (blade lubrication), 50-50 mixture of kerosene and 20W oil (blade cleaning) Hedge Trimmer blades are very sharp. Touching them may lead to severe personal injury. Avoid touching blades whenever possible, and always wear gloves to protect hands.

  • Page 34: Blades

    MAINTENANCE DH235 Gear Box Level 1. Parts Required: Lithium Based Grease. Clean dirt from the grease fitting (A) and grommet (B). Do not force grease. Too much pressure will force grease past seals and cause damage. Apply 1-2 pumps of grease every 20 hours of operation.
  • Page 35 DH235 MAINTENANCE Blades Hedge trimmer blades are very sharp, touching them may lead to severe personal injury. Use long hex wrenches and sockets with extensions when tightening blade screws and blade lock nuts to keep hands at a safe distance from sharp blades.
  • Page 36 MAINTENANCE DH235 Adjustment Level 2. Locking ability of hedge trimmer blade lock nuts will diminish each time they are removed. Replace if turning resistance is not felt when installing lock nuts. Tighten blade screws securely. Hold blade screws (A) to prevent turning, and tighten lock nuts (B).

  • Page 37: Troubleshooting

    DH235 TROUBLESHOOTING TROUBLESHOOTING ENGINE PROBLEM TROUBLESHOOTING CHART Problem Check Status Cause Remedy Engine Fuel strainer or Clean or replace Fuel at No fuel at starts hard fuel line carburetor carburetor See your dealer obstructed No fuel at Engine Carburetor See your dealer...
  • Page 38 TROUBLESHOOTING DH235 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 39: Storage

    DH235 STORAGE STORAGE The muffler and surrounding cover become hot during operation. Always keep exhaust area clear of flammable debris during transportation or when storing, otherwise serious property damage or personal injury may result. Hedge Trimmer blades are very sharp. Touching them may lead to severe personal injury.
  • Page 40 STORAGE DH235 Drain fuel tank completely. Press purge bulb 6-7 times to remove remaining fuel from carburetor then drain the tank again. Close choke, start and run the engine until it stops due to lack of fuel. Allow engine to cool. Remove the spark plug lead from the spark plug.

  • Page 41: Specifications

    DH235 SPECIFICATIONS SPECIFICATIONS MODEL DH235 Length 1,193 mm (47 in.) Width 272 mm (10.7 in.) Height 195 mm (7.7 in.) Weight (dry) 5.2 kg (11.4 lb.) Engine Type Air cooled, two-stroke, single cylinder gasoline engine Bore 32.2 mm (1.27 in.) Stroke 26.0 mm (1.02 in.)

  • Page 42: 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 43 DH235 PRODUCT REGISTRATION X7702241803 © 12/19 ECHO Incorporated...
  • Page 44 S/N T29313001001 - T29313999999 ECHO INCORPORATED 400 Oakwood Road Lake Zurich, IL 60047 -usa www.shindaiwa .com...

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