Echo Shindaiwa HT235 Operator's Manual
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Echo Shindaiwa HT235 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.
X7712240502
© 06/22 ECHO Incorporated
Operator's
Manual
HT235

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Summary of Contents for Echo Shindaiwa HT235

  • Page 1 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. X7712240502 © 06/22 ECHO Incorporated...

  • Page 2: Table Of Contents

    Cooling System.................. 30 Exhaust System ................. 31 Carburetor Adjustment ............... 32 Lubrication ..................34 Blades ....................35 Troubleshooting ..................37 Storage ..................... 38 Long Term Storage (Over 30 Days) ........... 39 Specifications .................... 40 Product Registration.................. 42 X7712240502 © 06/22 ECHO Incorporated...

  • Page 3: Introduction

    Model Number and Serial Number of the unit with you. For future reference, write them in the space provided below. Model No. _____________________ Serial No. _____________________ X7712240502 © 06/22 ECHO Incorporated...

  • Page 4: Service

    Registering your product confirms your warranty coverage and provides a direct link between you and ECHO if we find it necessary to contact you. Additional Literature In addition to finding information online, information is available from your Authorized Shindaiwa Service Dealer, or by contacting ECHO Incorporated, 400 Oakwood Road, Lake Zurich, IL 60047, 1-800-432-ECHO (3246).

  • Page 5: Safety

    Note: This enclosed message provides tips for use, care and maintenance of the unit. CIRCLE AND SLASH SYMBOL This symbol means the specific action shown is prohibited. Ignoring these prohibitions can result in serious or fatal injury. X7712240502 © 06/22 ECHO Incorporated...

  • Page 6: International Symbols

    Do not operate “RUN” Position without guards in (Choke Open) place. Do not operate Carburetor closer than 15 M Adjustment - High (50 ft.) from speed mixture electrical hazard. Carburetor Safety/Alert Adjustment - Idle speed X7712240502 © 06/22 ECHO Incorporated...
  • Page 7 Purge Bulb objects. DO NOT allow Wear slip resistant flames or sparks footwear. near fuel. Keep bystanders at least 4.5 meters (15 ft.) away. Note: Not all symbols will appear on your unit. X7712240502 © 06/22 ECHO Incorporated...

  • Page 8: Personal Condition And Safety Equipment

    Eye protection that meets ANSI Z87.1 or CE requirements ◆ must be worn whenever you operate the unit. For additional safety, a full-face shield can be worn over ◆ safety glasses or goggles to provide protection from sharp branches or flying debris. X7712240502 © 06/22 ECHO Incorporated...
  • Page 9 Gloves also provide protection against cuts and scratches, cold environments, and reduce the transmission of machine vibration to your hands. Hearing and Ear Protection ECHO recommends wearing personal protective equipment whenever unit is used. Breathing Protection Operators who are sensitive to dust or other common airborne allergens may need to wear a dust mask to prevent inhaling these materials while operating unit.
  • Page 10 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. In the absence of such information, ECHO does not recommend the use of this machine by anyone who has a pacemaker.
  • Page 11 Never touch wires directly or indirectly, otherwise serious injury or death can result. Do not operate this product indoors or in inadequately ventilated areas. Engine exhaust contains poisonous emissions and can cause serious injury or death. X7712240502 © 06/22 ECHO Incorporated...

  • Page 12: Equipment

    ECHO Incorporated will not be responsible for the failure of cutting devices, attachments or accessories which have not been tested and approved by ECHO Incorporated. Read and comply with all safety instructions listed in this manual and safety manual.
  • Page 13 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. X7712240502 © 06/22 ECHO Incorporated...

  • Page 14: Emission Control (Exhaust & Evaporative)

    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. X7712240502 © 06/22 ECHO Incorporated...

  • Page 15: Description

    If a decal cannot be read, a new one can be ordered from your authorized dealer. The safety decal is for example only. Your label may appear slightly different. X7712240502 © 06/22 ECHO Incorporated...

  • Page 16: Contents

    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. Hedge Trimmer Assembly Operator’s Manual Warranty Statement Blade Cover ASSEMBLY This model is factory assembled. X7712240502 © 06/22 ECHO Incorporated...

  • Page 17: Operation

    Diesel or alternative fuels may also cause premature deterioration of fuel lines, gaskets, carburetors and other engine components. X7712240502 © 06/22 ECHO Incorporated...
  • Page 18 Gasoline may contain up to 10% Ethanol (grain alcohol) or 15% MTBE (methyl tertiary-butyl ether). Gasoline containing methanol (wood alcohol) is 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.
  • Page 19 Add the proper amount of gal. fl. oz. engine oil to gasoline. Close container and shake to mix oil with gasoline. Add remaining gasoline, close fuel container, and remix. X7712240502 © 06/22 ECHO Incorporated...

  • Page 20: Starting Cold Engine

    Hedge Trimmer blades are very sharp. Avoid touching blades whenever possible, and always wear gloves to protect hands. Touching blades can cause severe personal injury. Note: The scabbard is used for transportation and storage. Remove the scabbard before using the unit. X7712240502 © 06/22 ECHO Incorporated...
  • Page 21 (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 2-3 pulls, repeat instructions 2 - 5. X7712240502 © 06/22 ECHO Incorporated...

  • Page 22: Starting Warm Engine

    The blades must not move at idle, otherwise serious personal injury may result. Periodic carburetor adjustment may be necessary to assure blades do not move at idle. If blades move, readjust carburetor according to “Carburetor Adjustment” instructions in this manual or see your dealer. X7712240502 © 06/22 ECHO Incorporated...
  • Page 23 Place the unit on a flat, clear area. Grip the support handle securely with one hand, and pull the recoil starter handle (D) until engine starts. Note: If engine does not start after 2-3 pulls, use “Start Cold Engine” Procedure. X7712240502 © 06/22 ECHO Incorporated...

  • Page 24: Stop Engine

    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. X7712240502 © 06/22 ECHO Incorporated...

  • Page 25: Hedge Trimming

    Never remove hands from unit when blades are moving. The engine continues running even when the blades have stopped due to an obstruction. If this occurs, stop the engine, disconnect ignition cable and remove the obstruction. X7712240502 © 06/22 ECHO Incorporated...

  • Page 26: Maintenance

    Level 1 = Easy to do. Common tools may be required. Level 2 = Moderate difficulty. Some specialized tools may be required. Level 3 = See your dealer. Click HERE or go to http://www.echo-usa.com/products/maintenance-kit HERE https://www.shindaiwa-usa.com/you-can.aspx X7712240502 © 06/22 ECHO Incorporated...

  • Page 27: Maintenance Intervals

    Inspect blade, and clean and sharpen as needed. Lubricate blades periodically during use. Low evaporative fuel tanks DO NOT require regular maintenance to maintain emission integrity. * Replacement is recommended based on the finding of damage or wear during inspection. X7712240502 © 06/22 ECHO Incorporated...

  • Page 28: Air Filter

    Install air filter in air filter case. Install air filter cover. Fuel Filter Level 1. Parts required: Fuel Filter. Fuel is VERY flammable. Use extreme care when mixing, storing or handling, or serious personal injury may result. X7712240502 © 06/22 ECHO Incorporated...

  • Page 29: Spark Plug

    Clean the plug or replace with a new one. DO NOT sand blast to clean. Remaining sand will damage engine. 0.65 mm (0.026 in.) Adjust spark plug gap by bending outer electrode. Tighten spark plug to 150-170 kgf•cm (130-150 lbf•in). X7712240502 © 06/22 ECHO Incorporated...

  • Page 30: Cooling System

    Remove spark plug lead. Remove muffler cover. Remove engine cover (A). Use brush to remove dirt from the cylinder fins. DO NOT use a metal scraper to remove dirt from the cylinder fins. Assemble components in reverse order. X7712240502 © 06/22 ECHO Incorporated...

  • Page 31: Exhaust System

    Assemble components in reverse order. Exhaust Port Cleaning Level 2. Parts required: Heat Shield (as needed). Remove spark plug lead from spark plug, and remove muffler cover. Place piston at top dead center. Remove muffler and heat shield. X7712240502 © 06/22 ECHO Incorporated...

  • Page 32: Carburetor Adjustment

    New engines must be operated a minimum duration of two tanks of fuel break-in before carburetor adjustments can be made. During the break-in period your engine performance will increase and exhaust emissions will stabilize. Idle speed can be adjusted as required. X7712240502 © 06/22 ECHO Incorporated...
  • Page 33 Turn idle screw (H) clockwise to increase idle speed; counter clockwise to decrease idle speed. When carburetor adjustment is completed, the cutting attachment should not move at idle, otherwise serious personal injury may result. X7712240502 © 06/22 ECHO Incorporated...

  • Page 34: Lubrication

    HT235 Lubrication Blades Level 1. Parts required: ECHO RedArmor™ Blade Cleaner & Lubricant, or 20W Engine Oil (for blade lubrication), 50-50 mixture of kerosene and 20W oil (for blade cleaning). Hedge trimmer blades are very sharp. Touching them may lead to severe personal injury.

  • Page 35: Blades

    Blades should only be removed and reinstalled by an authorized servicing dealer, otherwise premature wear or internal damage may occur. X7712240502 © 06/22 ECHO Incorporated...
  • Page 36 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). X7712240502 © 06/22 ECHO Incorporated...

  • Page 37: Troubleshooting

    Clean or replace runs, but Fuel filter Contaminants Replace filter or dies Fuel filter dirty or residue in fuel replace fuel Engine Fuel vent Contaminated Fuel vent Clean or replace does not plugged fuel accelerate properly X7712240502 © 06/22 ECHO Incorporated...

  • Page 38: Storage

    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. X7712240502 © 06/22 ECHO Incorporated...

  • Page 39: Long Term Storage (Over 30 Days)

    Observe the piston location through the spark plug hole. Pull the recoil handle slowly until the piston reaches the top of its travel and leave it there. 10. Install the spark plug. Connect the spark plug lead to the spark plug. X7712240502 © 06/22 ECHO Incorporated...

  • Page 40: Specifications

    Starter System Automatic recoil starter Clutch Centrifugal type Gear Case Ratio 4.6:1 Cutter Double reciprocating blade, single edge Length 834 mm (32.8 in.) Pitch 35 mm (1.38 in.) Height 24 mm (0.94 in.) Maximum Diameter Cut: X7712240502 © 06/22 ECHO Incorporated...
  • Page 41 HT235 SPECIFICATIONS MODEL HT235 Soft Material 25.4 mm (1.0 in.) Woody Material 13 mm (0.5 in.) Idle Speed 3,300 RPM Clutch Engagement 4,700 RPM Speed Wide Open 10,740 RPM Throttle Speed X7712240502 © 06/22 ECHO Incorporated...

  • Page 42: Product Registration

    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 Incorporated. 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 HT235 PRODUCT REGISTRATION X7712240502 © 06/22 ECHO Incorporated...
  • Page 44 U55812001001 - U55812999999 U72715001001 - U72715999999 U45515001001 - U45515999999 ECHO INCORPORATED 400 Oakwood Road Lake Zurich, IL 60047 -usa www.shindaiwa .com...

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