Page 2 - TABLE OF CONTENTS; Introd
TABLE OF CONTENTS DH235 2 X7712240300 © 07/2020 ECHO Incorporated TABLE OF CONTENTS Introd uction ............................................................................................................. 3 Servicing Information .......................................................................
Page 3 - INTRODUCTION; always
DH235 INTRODUCTION X7712240300 3 © 07/2020 ECHO Incorporated INTRODUCTION 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 accessor...
Page 4 - please know the model and serial number of your unit.; Product Registration
SERVICING INFORMATION DH235 4 X7712240300 © 07/2020 ECHO Incorporated 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-...
Page 5 - SAFETY; Manual Safety Symbols and Important Information; Note: This enclosed message provides tips for use, care and; CIRCLE AND SLASH SYMBOL
DH235 SAFETY X7712240300 5 © 07/2020 ECHO Incorporated 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 s...
Page 6 - Symbol
SAFETY DH235 6 X7712240300 © 07/2020 ECHO Incorporated International Symbols Symbol Description Symbol Description Read and understand Owners Manual Fuel and oil mixture Wear eye, ear and head protection Finger severing Emergency Stop Hot Surface Wear hand and foot protection. Use two handed DO NOT ...
Page 7 - Note: Not all symbols will appear on
DH235 SAFETY X7712240300 7 © 07/2020 ECHO Incorporated Personal Condition and Safety Equipment Cancer and Reproductive Harmwww.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...
Page 8 - Physical Condition
SAFETY DH235 8 X7712240300 © 07/2020 ECHO Incorporated 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...
Page 9 - Proper Clothing
DH235 SAFETY X7712240300 9 © 07/2020 ECHO Incorporated 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 ...
Page 11 - Read the Manuals
DH235 SAFETY X7712240300 11 © 07/2020 ECHO Incorporated • 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 prevente...
Page 13 - An Emission Control Label
DH235 EMISSION CONTROL X7712240300 13 © 07/2020 ECHO Incorporated 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 C...
Page 14 - DESCRIPTION; is for example only. Your label my appear slightly different.
DESCRIPTION DH235 14 X7712240300 © 07/2020 ECHO Incorporated DESCRIPTION Locatethe 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 i...
Page 15 - CONTENTS
DH235 CONTENTS X7712240300 15 © 07/2020 ECHO Incorporated CONTENTS 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 S...
Page 16 - ASSEMBLY; This model is factory assembled.; OPERATION
ASSEMBLY DH235 16 X7712240300 © 07/2020 ECHO Incorporated 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...
Page 17 - Fuel Requirements; Gasoline; - Use fresh (purchased within the last 30 days from the pump) 89; NOT; approved. Use of ECHO branded fuel is recommended to extend; Two Stroke Oil; stroke engine warranty.; KEEP OUT OF REACH OF CHILDREN.
DH235 OPERATION X7712240300 17 © 07/2020 ECHO Incorporated 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 altern...
Page 18 - WEAR SAFETY GLASSES when mixing or handling.; Use an approved fuel container.
OPERATION DH235 18 X7712240300 © 07/2020 ECHO Incorporated ◆ WEAR SAFETY GLASSES when mixing or handling. ◆ AVOID repeated or prolonged skin contact. ◆ AVOID inhaling oil mists or vapors. Shindaiwa branded 2-stroke oils may be mixed at 50:1 ratio for application in all Shindaiwa engines sold in the ...
Page 19 - Mixing Instructions; After use
DH235 OPERATION X7712240300 19 © 07/2020 ECHO Incorporated Mixing Instructions 1. Fill an approved fuel container with half of the required amount of gasoline. 2. Add the proper amount of engine oil to gasoline. 3. Close container and shake to mix oil with gasoline. 4. Add remaining gasoline, close ...
Page 20 - Note: The blade cover is used for transportation and storage.; Stop Switch
OPERATION DH235 20 X7712240300 © 07/2020 ECHO Incorporated 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 an...
Page 21 - Choke; Note: If engine does not start; Throttle Trigger; Starting Warm Engine
DH235 OPERATION X7712240300 21 © 07/2020 ECHO Incorporated 5. Choke After engine fires (or 2-3 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” position after 5...
Page 22 - Stopping Engine; Throttle
OPERATION DH235 22 X7712240300 © 07/2020 ECHO Incorporated 1. Stop Switch Move stop switch (A) away from the STOP position. 2. 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. 3. Recoil Starter Place the u...
Page 23 - Rotating operation; To operate; Note: The throttle trigger will not
DH235 OPERATION X7712240300 23 © 07/2020 ECHO Incorporated 2. 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 dealer repair stop switch before using unit again. Rotat...
Page 24 - Never remove hands from unit when blades are moving.; MAINTENANCE
MAINTENANCE DH235 24 X7712240300 © 07/2020 ECHO Incorporated 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. 1. Always grip support handle with right hand, and thro...
Page 25 - decide whether you want to DO-IT-YOURSELF or have the Dealer do it,; Skill Levels; Level 1; = Moderate difficulty. Some specialized tools may be required.; Level 3; or
DH235 MAINTENANCE X7712240300 25 © 07/2020 ECHO Incorporated Operating a poorly maintained unit can result in serious injuries to operator or bystanders. Always follow all maintenance instructions as written, otherwise serious personal injury may result. Your unit is designed to provide many hours o...
Page 29 - DO NOT use a metal scraper to remove dirt from the cylinder fins.; Exhaust System; Spark Arrestor Screen
DH235 MAINTENANCE X7712240300 29 © 07/2020 ECHO Incorporated Removal of cooling passage blockages or cleaning of cooling fins is considered “Normal Maintenance.” Any failure attributed to lack of maintenance is not warranted. 1. Remove spark plug lead. 2. Remove muffler cover. 3. Remove engine cover...
Page 30 - Note: When cleaning carbon; Exhaust Port Cleaning
MAINTENANCE DH235 30 X7712240300 © 07/2020 ECHO Incorporated 1. Remove spark plug lead. 2. Remove muffler cover (B). 3. Place piston at Top Dead Center (TDC) to prevent carbon/dirt from entering cylinder. 4. Remove exhaust guide (C), gasket (D), and screen (E) from muffler body. 5. Clean carbon depo...
Page 32 - High Altitude Operation; Note: Every unit is run at the factory and the carburetor is set in
MAINTENANCE DH235 32 X7712240300 © 07/2020 ECHO Incorporated 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 A...
Page 33 - Blades
DH235 MAINTENANCE X7712240300 33 © 07/2020 ECHO Incorporated Lubrication Blades Level 1. 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. 1. Move stop switch to stop position. 2. D...
Page 34 - Gear Box
MAINTENANCE DH235 34 X7712240300 © 07/2020 ECHO Incorporated Gear Box Level 1. 1. Clean dirt from the grease fitting (A) and grommet (B). 2. 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. 3. Remove the grom...
Page 35 - Sharpening; If a power grinder is used DO NOT allow blade to over heat.
DH235 MAINTENANCE X7712240300 35 © 07/2020 ECHO Incorporated 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 bl...
Page 36 - Adjustment; Tighten blade screws securely.
MAINTENANCE DH235 36 X7712240300 © 07/2020 ECHO Incorporated 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. 1. Tighten blade screws securely. 2. Hold blade screws (A) ...
Page 37 - TROUBLESHOOTING
DH235 TROUBLESHOOTING X7712240300 37 © 07/2020 ECHO Incorporated TROUBLESHOOTING ENGINE PROBLEM TROUBLESHOOTING CHART Problem Check Status Cause Remedy Engine starts hard or Engine does not start Fuel at carburetor No fuel at carburetor Fuel strainer or fuel line obstructed Clean or replace See your...
Page 39 - STORAGE
DH235 STORAGE X7712240300 39 © 07/2020 ECHO Incorporated 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 bla...
Page 40 - Drain fuel tank completely. Press purge bulb 6 - 7 times to remove; SPECIFICATIONS
SPECIFICATIONS DH235 40 X7712240300 © 07/2020 ECHO Incorporated 8. 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. 9. Allow engine to cool. Remove th...
Page 42 - PRODUCT REGISTRATION; Thank you for choosing Shindaiwa Power Equipment; FAST
PRODUCT REGISTRATION DH235 42 X7712240300 © 07/2020 ECHO Incorporated 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 ECH...
Page 44 - ECHO INCORPORATED
ECHO INCORPORATED 400 Oakwood Road Lake Zurich, IL 60047 www.shindaiwa -usa .com S/N U45315001001 - U45315999999
