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Shindaiwa DH254 manual

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Table of contents for the manual

  • Page 1

    SHIND AIWA OWNER’S/OPERA T OR’S MANU AL DH254 HEDGE TRIMMER Minimize the risk of injury to yourself and others! Read this manual and familiarize yourself with the contents. Always wear eye and hear- ing protection when operating this unit. WARNING! X7502864301 06/10[...]

  • Page 2

    2 Attention Statements WARNING! A statement preceded by the triangu- lar Attention Symbol and the word "W ARNING" contains information that should be acted upon to prevent serious bodily injury . IMPORT ANT! The operational procedures described in this manual are intended to help you get the most from your unit, and to pro- tect you and o[...]

  • Page 3

    3 WARNING! Minimize the Risk of Fire! AL W A Y S check unit for fuel leaks before use. Check for leaks around fuel tank cap while refueling. If fuel leaks are found immediately stop using the unit. Fuel leaks must be repaired before using unit. AL W A YS move the unit to a place well away from a fuel storage area or other readily ammable materia[...]

  • Page 4

    4 WARNING! Inspect front and rear handles for damaged or loose attachments before use. NEVER operate a hedge trimmer with damaged or loose handles. Operating Precautions WARNING! Never transport the hedge trim- ■ mer or leave it unattended with the engine running. An engine that’s running could be accidently acceler- ated causing the blades to [...]

  • Page 5

    5 Safety Equipment and Labels IMPORT ANT! Caution, Danger , W arning, and Operation Information Labels: Make sure all information labels are undam- aged and readable. Immediately replace damaged or missing information labels. New labels are available from your local authorized Shindaiwa dealer . Figure 2 Ignition Switch Throttle Interlock Caution L[...]

  • Page 6

    6 An Emission Control Label is located on the unit. (This is an EXAMPLE ONL Y ; information on label varies by en - gine F AMIL Y). PRODUCT EMISSION DURABILITY (EMISSION COMPLIANCE PERIOD) The 300 hour emission compliance period is the time span selected by the manufacturer certifying the engine emissions output meets applicable emissions regulatio[...]

  • Page 7

    7 Blade Stiffener Removal Move stop switch to stop position. 1. Disconnect spark plug wire. 2. W ARNING! Hedge clipper blades are very sharp. T ouching them may lead to severe personal injury . Use a socket and extension when removing locknuts in order to keep hands at a safe distance from sharp blades. Remove seven (7) blade stif fener locknuts (A[...]

  • Page 8

    8 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 opera- tion, including, but not limited to, [...]

  • Page 9

    9 Examples of 50:1 mixing quantities IMPORT ANT! 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. Use of unmixed, improp- erly mixed, or stale fuel, may cause hard starting, poor performance, or severe engine damage and void the product warranty . Read and follow in[...]

  • Page 10

    10 Star ting Procedur e IMPORT ANT! Engine ignition is controlled by a two-position on-off switch mounted on the throttle body . This switch is typically labeled “I” for ON and “O” for OFF . NOTE: The blade cover is used for transpor tation and storage. Remove blade cover before using the unit. WARNING! Never start the engine from the opera[...]

  • Page 11

    11 When the motor starts... Open the choke by moving the choke lever backward (towar d the fuel tank). 1. If the engine does not continue to r un, repeat the appropriate cranking proce- 2. dures for a cold or war m engine.When the engine star ts, clear excess fuel from the combustion chamber by accelerating the engine several times with the throttl[...]

  • Page 12

    12 Clean around spark plug Lubricate cutters Check cutters and guide bar for damage and that bolts are tight Inspect/clean air lter element Inspect front and rear handles for damaged or loose attachments Inspect cooling ns, and clean as required Clean de- bris from tank and mufer Daily Maintenance/Inspection Figure 12 Maintenance and Adjus[...]

  • Page 13

    13 10-Hour Maintenance (more fr equently in dusty conditions) Figure 16 B Filter Element Air Cleaner Cover Pre- Filter Remove the air cleaner cover by loosening the two thumbscrews. See Figure 16A 1. . Remove and inspect the pre-filter . If the pre-filter is tor n or other wise damaged, 2. replace it with a new one. See Figure 16B. Clean the pre-[...]

  • Page 14

    14 Every 10 to 15 hours of operation: Rem ove a nd cl ean t he sp ark p lug . ■ Ad jus t the s par k plu g ele ct rod e gap t o 0.6 mm (0.024 in). If the spark plug must be replaced, use only an NGK CMR5H or equivalent resistor type spark plug of the correct heat range. See Figure 17. CA UTION! Before rem oving the s park pl ug, clean t he area a[...]

  • Page 15

    15 HT2510_20 Gearcase Lubrication VIEWED FROM THE BOTTOM Gearcase Grease Fitting CA UTION! Over-lubricating may cause the ■ gearcase to run slower than normal, and may also cause leakage from excess grease. Every 20 Hours Figure 21 VIEWED FROM THE BOTTOM Gearcase Cover Figure 20 Top of f gear case grease level by using a lever-type grease gun to [...]

  • Page 16

    16 Valve Adjustment Remove cylinder cover , r ocker ar m cover , and set piston at TDC-compression. 1. Loosen adjuster locknut so that the 2. 2.5 mm Allen socket head adjustment screw can tur n freely . Inser t feeler gauge .004 (0.10 mm) for both intake and exhaust; between valve 3. stem tip and rocker ar m. T ur n adjustment scr ew (clockwise = t[...]

  • Page 17

    17 Spar k Ar r ester Screen Maintenance If the engine becomes sluggish and low on power , check and clean the spark ar- rester screen. WARNING! Never operate the uni t with a damage d or mis sing muf  er or spark ar rester! Op erating wi th a missi ng or dam aged sp ark arrester is a re ha zard an d coul d also d am - age your hearin g. W ith[...]

  • Page 18

    18 The engine must retur n to idle speed whenever the throttle lever is released. Idle speed is adjustable, and must be set low enough to per mit the engine clutch to disengage the cutters. WARNING! The cutters must NEVER engage at engine idle speeds! If the idle speed can- not be adjusted by the above procedure, return the trimmer to your Shindaiw[...]

  • Page 19

    19 T r oubleshooting Guide V aporlock. V alve adjustment. Engine hot/heat soaked. Low fuel quality . V alve clearance too tight. V alve clearance too loose. Let cool completely and restar t. Refi ll with fresh, clean unleaded gasoline with a pump octane of 89 or higher mixed with an air cooled engine oil that meets or exceeds ISO-L-EGD and/or JASO[...]

  • Page 20

    20 ADDITIONAL PROBLEMS Poor acceleration. Clogged air fi lter . Clogged fuel fi lter . Lean fuel/air mixture. Idle speed set too low . Ignition switch tur ned of f. Fuel tank empty . W ater in the fuel. Clogged fuel fi lter . Shor ted spark plug or loose terminal. Ignition failure. Piston seizure. Ground (stop) wire is disconnected, or switch is[...]

  • Page 21

    21 ADDITIONAL PROBLEMS Poor acceleration. Clogged air fi lter . Clogged fuel fi lter . Lean fuel/air mixture. Idle speed set too low . Ignition switch tur ned of f. Fuel tank empty . W ater in the fuel. Clogged fuel fi lter . Shor ted spark plug or loose terminal. Ignition failure. Piston seizure. Ground (stop) wire is disconnected, or switch is[...]

  • Page 22

    22 SHINDAIW A LIMITED W ARRANTY ST A TEMENT FOR PRODUCT SOLD IN USA AND CANADA BEGINNING 01/01/2010 ECHO, INC'S RESPONSIBILITY ECHO Incorporated’s (ECHO, INC.) Limited W arranty , provides to the original purchaser that this Shindaiwa product is free from defects in material and workmanship. Under normal use and maintenance from date of purc[...]

  • Page 23

    23 PURCHASED REP AIR P ARTS AND ACCESSORIES • 90-day all applications A TTENTION ENGINE POWERED PRODUCT OWNERS This Shindaiwa engine powered product is a quality-engineered unit which has been manufactured to exact tolerances to provide superior performance. T o help ensure the performance of the unit, it is required to use engine oil which meets[...]

  • Page 24

    24 ECHO INCORPORA TED EMISSION CONTROL W ARRANTY ST A TEMENT FOR ECHO AND SHINDAIW A BRANDS The Environmental Protection Agency (EP A) and the California Air Resources Board (C.A.R.B.) and ECHO Incorporated (ECHO Inc.) are pleased to explain the emission control system warranty on your 2010 and later equipment/small off-road engine (SORE). New equi[...]

  • Page 25

    25 NO TES:[...]

  • Page 26

    26 NO TES:[...]

  • Page 27

    27 NO TES:[...]

  • Page 28

    ECHO Incorporated. 400 Oakwood Road Lake Zurich, IL 60047-1564 U.S.A. T elephone: 1-877-986-7783 Fax: 1-847-540-8416 www .shindaiwa.com Y amabiko Corporation 7-2 Suehirocho 1-Chome, Ohme, T okyo, 198-8760, Japan Phone: 81-428-32-61 18 Fax: 81-428-32-6145 Ser vicing Infor ma tion Par ts/Serial Number Genuine Shindaiwa Parts and Assemblies for your S[...]