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SHINDAIWA OWNER / OPERATOR’S MANUAL
HT231 HEDGE TRIMMER
WARNING
Minimize the risk of injury to yourself and others! Read
this manual and familiarize yourself with the contents.
Always wear eye and hearing protection when operating
this unit.
X7502862800
02/10
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Introduction The Shindaiwa 231 series of hand-held power equipment is designed and built to deliver superior performance and reliability without compromise to quality, comfort, safety or durability. Shindaiwa engines represent the leading edge of high- performance engine technology, delivering exceptionally high power with remarkably low displacement and weight. As an owner/operator, you’ll soon discover for yourself why Shindaiwa is simply in a class by itself! IMPORTANT! The information c
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Safety and operation labels A hedge trimmer has the potential to cause serious personal injury to the operator or The blades are SHARP. Handle with care. bystanders if misused, abused or mishandled. You must observe all special safety instructions to reduce the risk of personal injury. Keep hands clear of the cutter blades when Read and follow this manual, make sure anyone starting the engine. using the trimmer does likewise. Failure to do so could result in serious personal injury or ma
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WARNING! Use Good Judgement If a cutter should bind fast in a NEVER smoke or light fires near the hedge NEVER transport the unit or leave it trimmer. Keep the unit away from excessive cut, shut off the engine immedi- unattended with the engine running. ately. Push the branch or tree to heat. Engine fuel is very flammable and An engine that’s running could be acci- fire could lead to serious personal injury or ease the bind and free the cutter. dently accelerated causing the blades ALWAYS
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NEVER allow children to use Safety (continued) the unit. Avoid operating near Operating the Hedge Trim- bystanders. ALWAYS protect yourself from hazards such as thorny brush and flying debris by wearing gloves and close fitting clothing that covers arms and legs. ALWAYS grip support handle Never wear shorts. Don’t wear loose with right hand and throttle clothing or items such as jewelry that handle with left hand. could get caught in machinery or underbrush. Secure long hair so it is
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Product Description Using the illustration as a Blade protector Support handle guide, familiarize yourself with this unit and its various components. Understanding Throttle your machine helps ensure interlock top performance, longer ser- Cutter blades vice life, and safer operation. Throttle handle Muffler Blade Throttle protecter On/Off Switch Recoil starter Support handle Guard WARNING! Do not alter this machine or any Air filter cover of its components! Fuel tank This unit comes com
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Specifications Model HT231-30 HT231-40 Engine Type 2-cycle, horizontal cylinder, air cooled Engine Bore x Stroke 32 mm x 28 mm (1.26 in x 1.10 in.) 3 Engine Displacement 22.5cc (1.37 in ) Unit Weight, Less Fuel 5.9 kg (13.0 lb) 6.4 kg (14.1 lb) Unit Dimensions (LxWxH) 990 x 210 x 210 mm (38.98 x 8.17x8.27 in) 1330 x 210 x 210 mm (53.26 x 8.27 x 8.27 Fuel Tank Capacity 0.6 liter/20.3 oz. Fuel/oil ratio 50:1 with *ISO-L-EGD or JASO FD class 2-cycle Mixing Oil Carburetor Diaphragm type Ignition Fu
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Mixing Fuel WARNING! 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. Alternative fuels may also cause premature deterioration of fuel lines, gaskets, carburetors and other engi
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Mixing Instructions Storage - Fuel storage laws vary by locality. Contact 1. Fill an approved fuel container with half of the re- your local government for the laws affecting your area. As a precaution, store fuel in an approved, airtight con- quired amount of gasoline. tainer. Store in a well-ventilated, unoccupied building, 2. Add the proper amount of engine oil to gasoline. away from sparks and flames. 3. Close container and shake to mix oil with gasoline. 4. Add remaining gasoline, clo
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Starting the Engine IMPORTANT! Engine ignition is controlled by a two position switch mounted on the throttle housing labeled, “I” for ON or START and “O” for OFF or STOP. WARNING! The cutting attachment will operate immediately when the engine starts and could result in loss of con- trol and possible serious injury. Keep movable parts of the cutting attachment away from objects that could become entangled or thrown. WARNING! START Never start the engine from the operating position. On/Off
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6. Pull the starter handle slowly toward you until you feel the starter mecha- nism engage. 7. Start the trimmer by pulling the starting handle rapidly outward. CAUTION! Primer bulb Primer bulb The recoil starter can be easily damaged by abuse! Never pull the starter cord to its full length. IMPORTANT! If the engine fails to start after several attempts with the choke in the Return T Return Tube ube closed position, the engine may be flooded with fuel. Refer to the “Starting a Flooded Engin
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Stopping the engine 1. Cool the engine by allowing it to idle for 2–3 minutes. 2. Move the ignition switch to the “O” or STOP position. Ignition OFF (O) Throttle free play adjustment If the unit does not return to idle speed or doesen’t reach full rpm, the throttle lever free play may need to be adjusted as follows: 1. Measure free play at the end of the throttle lever. Throttle lever free play should be approximately 5-7 mm (0.2-0.275”). 2. If adjustment is necessary, remove the air cleaner c
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Maintenance IMPORTANT! Maintenance, replacement or repair of emission control devices and systems may be performed by any repair establishment or individual, However, warranty repairs must be performed by a dealer or service center authorized by Echo, Inc. The use of parts that are not equivalent in performance and durability to authorized parts may impair the effectiveness of the emis- sion control system and may have a bearing on the outcome of a warranty claim. WARNING! WARNING! Non-s
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Air Filter 1. Remove the air filter element, and wash the element in clean, neutral sol- vent or warm soapy water. Rinse the element thoroughly, and then squeeze Air filter cover dry before reassembly. Air filter element CAUTION! Never operate the unit if the air filter assembly is damaged or missing or if the air filter element is soaked with water! Fuel Filter ■ Use a wire hook to extract the fuel filter from inside the fuel tank. Inspect the fuel filter element. If it shows signs of conta
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Exhaust System WARNING! This unit must never be operated with a faulty or missing spark arrester or muffler. Make sure the muffler is well secured and in good condition. A worn or damaged muffler is a fire hazard and may also cause hearing loss. If the engine becomes sluggish and low on power, check and clean the spark arrester screen. 1. Loosen the knob of the spark plug cover and remove the cover. 2. Remove the spark plug lead from the spark plug. 3. Loosen the four 5 mm bolts located at the
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Carburetor Adjustment Engine Break-In 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. 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 maintai
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Gearcase lubrication CAUTION! ■ Over-lubricating may cause the gearcase to run slower than normal, and may also cause leakage from excess grease. ■ Do not remove the conrods from the cutters. Conrod bearings can be lost or damaged if disturbed. Top off gearcase grease level by using a lever-type grease gun to force 1–2 strokes of high quality lithium-based grease through the gearcase grease fitting. Every 60 hours (or before long-term storage) Grease fitting Remove the gearcase cover, and use
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Long Term Storage Whenever the unit will not be used for 30 days or longer, use the following procedures to prepare it for storage: • Clean external parts thoroughly. • Drain all the fuel from the fuel tank. IMPORTANT! Stored fuel ages. Do not mix more fuel than you expect to use in thirty (30) days, ninety (90) days when a fuel stabilizer is added. CAUTION! Gasoline stored in the carburetor for extended periods can cause hard starting and could also lead to increased service
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Troubleshooting Guide ENGINE DOES NOT START What To Check Possible Cause Remedy Faulty recoil starter. NO Consult with an authorized Does the engine crank? servicing dealer. Fluid in the crankcase. Internal damage. YES Loose spark plug. Tighten and re-test. NO Good compression? Excess wear on cylinder, piston, rings. Consult with an authorized servicing dealer. YES Fuel incorrect, stale, or contaminated; Refill with clean, fresh unleaded NO Does the tank contain fresh mixture incorrect. gaso
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Troubleshooting Guide (continued) LOW POWER OUTPUT What To Check Possible Cause Remedy Operator is overworking the unit. Use a lower throttle setting. Is the engine overheating? Carburetor mixture is too lean. Consult with an authorized servicing dealer. Improper fuel ratio. Refill with clean, fresh unleaded gasoline with a pump octane of 87 or higher, mixed with a 2-stroke air cooled engine oil that meets or exceeds ISO-L- EGD and/or JASO FD classified oils at 50:1 gasoline/oil ratio. Fallen
