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SHINDAIWA OWNER’S/OPERATOR’S MANUAL T254 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. X7502829000 12/14...
If you have questions regarding your H4 series hand-held power equipment, or if you do not understand something in this manual, contact Shindaiwa at the address printed on the back of this Manual.
Warning and Operational Labels Read and follow this operator's Make sure no one is within WARNING: Surface can be hot. manual. Failure to do so could 50 FEET 15 m / 50 feet of an operating Always wear gloves when handling (15m result in serious injury..
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Immediately replace damaged or missing information labels. New labels are available from your local authorized Shindaiwa dealer. The Properly Equipped Operator Wear hearing protection devices and a broad-brimmed hat or helmet. A helmet...
Be Aware of the Working Environment Make sure bystanders or Reduce the risk of bystanders being observers outside struck by flying debris. Make sure no the 15 meter one is within 15 meters (50 feet)— Avoid long-term (50 feet) “danger that’s about 16 paces of an operating operation in very hot zone”...
Bore x Stroke 34 x 27 mm (1.3 x 1.1 in.) Displacement 24.5 cc (1.5 cu. in.) 50:1 Shindaiwa Red Armor® ISO-L-EGD (ISO/CD 13738) and J.A.S.O. M345- Fuel/Oil Ratio FD, two-stroke, air-cooled engine oil Fuel Tank Capacity 590 ml (20 oz.)
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Cutting attachment shield CAUTION Wear Gloves or personal injury may result: • Cutoff knife is sharp. • Gearcase and surrounding area may be hot. NOTE: The plastic shield is for use with the Nylon Line Head only. Install Metal Shield when using plastic or metal blades. 1.
IMPORTANT! Shindaiwa Red Armor engine oil may be mixed at 50:1 ratio for application in all Shindaiwa engines sold in the past, regardless of ratio specified in those manuals. 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.
Mixing Instructions 1. Fill an approved fuel container with half of the required amount of gaso- line. Add the proper amount of engine oil to gasoline. Close container and shake to mix oil with gasoline. Add remaining gasoline, close fuel container, and remix. IMPORTANT! Spilled fuel is a leading cause of hydrocarbon emissions.
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 attachment will operate immediately when the engine starts, and could result in possible serious injury. Keep movable parts of the attachment away from objects that could become entangled or thrown, and surfaces that could cause loss of control.
Hold 5. While holding the outer tube firmly with left hand. Use your other hand to the unit firmly... slowly pull the recoil starter handle until resistance is felt, then pull quickly to start the engine. CAUTION! Do not pull the recoil starter to the end of the rope travel. Pulling the recoil starter to the end of the rope travel can damage the starter.
Contact local fire authorities for laws or regulations regarding fire prevention requirements. Cutting grass with a trimmer head Your Shindaiwa unit may be equipped with one of several Shindaiwa trimmer head models, each with features for specific applications and/or operational requirements.
PERFORMANCE AND DURABILITY TO AUTHORIZED PARTS MAY IMPAIR THE EFFECTIVENESS OF THE EMISSION CONTROL SYSTEM AND MAY HAVE A BEARING ON THE OUTCOME OF A WARRANTY CLAIM. NOTE: Using non-standard replacement parts could invalidate your Shindaiwa warranty. WARNING! WARNING! Before performing any...
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Air Filter This unit must never be operated with a faulty or missing The H4 engine that powers your Shindaiwa model is a hybrid spark arrester or muffler. Make sure the muffler is well 4-stroke engine. As a hybrid, the engine is lubricated by oil secured and in good condition.
Use a hooked wire to extract the fuel filter from inside the fuel tank. Inspect the fuel filter element. If it shows signs of contamination, replace with a genuine Shindaiwa replacement fuel filter element. ■ Before reinstalling the new filter...
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Maintenance (continued) 135-Hour Maintenance IMPORTANT! The valve clearance should be adjusted. It is highly recommended that this is done by a Shindaiwa-trained service technician. Valve Adjustment CAUTION! ■ Performing a valve adjustment incorrectly may cause hard starting and/or can damage the engine.
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1,100 feet ASL, otherwise severe engine damage may result. NOTE: Every unit is run at the factory and the carburetor is set in compliance with emission regulations. Carburetor adjustments, other than idle speed, must be performed by an authorized Shindaiwa dealer..
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The cutting attachment must NEVER move at engine idle! If the idle speed cannot be adjusted by the procedure described here, return the unit to your Shindaiwa dealer for inspection. Idle Speed Adjustment 1. Place the unit on the ground, then start the engine, and then allow it to idle 2 - 3 minutes until warm.
Gasoline stored in the carburetor for extended periods can cause hard starting, and could also lead to increased service and maintenance costs. IMPORTANT! All stored fuels should be stabilized with a fuel stabilizer such as STA-BIL™. NOTE: Damage resulting from stale or contaminated fuel is not covered by the Shindaiwa warranty policy.
Adjust valves. Valve clearance too loose. ENGINE DOES NOT START What To Check Possible Cause Remedy Consult with an authorized Shindaiwa servicing dealer. Faulty recoil starter. Does the engine crank? Fluid in the crankcase. Internal damage. Tighten and re-test.
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89 or higher mixed with an air cooled engine oil that meets or exceeds ISO-L-EGD and/or JASO FD classifi ed oils at 50:1 gasoline/oil ratio. Piston seizure. Consult with an authorized Shindaiwa servicing dealer. Faulty carburetor and/or diaphragm. Overheating condition. Consult with an authorized Shindaiwa servicing dealer.
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Adjust idle. Check Specifi cations page for correct Idle set too high. Engine will not idle idle speed. down. Consult with an authorized Shindaiwa servicing Engine has an air leak. dealer. Adjust idle. Check Specifi cations page for correct idle Engine idle too high.
The owner shall demonstrate reasonable care and use, and follow preventative maintenance, storage, fuel and oil usage as prescribed in the operator’s manual. Should a product difficulty occur, you must, at your expense, deliver or ship your Shindaiwa unit to an authorized Shindaiwa servicing dealer for warranty repairs (within the applicable warranty period), and arrange for pick-up or return of your unit after the repairs have been made.
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89 octane or higher. Gasohol which contains a maximum 10% ethanol (grain alcohol) or 15% MTBE (methyl/tertiary/butyl/ether) is also approved. The prescribed mixing ratio of gasoline to oil is listed on the Shindaiwa oil label and covered in your operator’s manual.
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.
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, Type and Serial Number of the unit with you. You can find these numbers on the engine. For future reference, write them in the space provided below.