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Shindaiwa AH254EF1 manual

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Table of contents for the manual

  • Page 1

    AH254 ARTICULA TED HEDGE TRIMMER SHIND AIWA OWNER’S/OPERA T OR'S MANU AL WARNING! Always wear eye and ear protection when operating this machine! T o minimize the risk of injury to yourself and others, read this manual and familiarize yourself with its contents. X7502872400 06/10[...]

  • Page 2

    2 WARNING! The engine exhaust from this product contains chemicals known to the State of California to cause cancer , birth defects or other reproductive harm. Introduction The Shindaiwa H4 series of hand-held power equipment is designed and built to deliver superior per for mance and reli- ability without compromise to quality , comfor t, safety o[...]

  • Page 3

    3 This product conducts elec- tricity . Keep the product and/ or operator a minimum dis- tance of 33 feet (10 meters) away from electrical sources and power lines. Be aware of the danger of falling debris. 33 ft 10 M Always wear a hard hat to reduce the risk of head inju - ries during operation of this machine. In addition, always wear eye and hear[...]

  • Page 4

    4 CA UTION! Always maintain the articu- ■ lated hedge trimmer according to this owner ’s manual and fol- low the recommended scheduled maintenance. Never modify or disable any of the ■ hedge trimmer ’s safety devices. Doing so may cause damage and lead to personal injury Always use genuine Shindaiwa ■ parts and accessories when repair- in[...]

  • Page 5

    5 Operator Safety WARNING! Do not alter this machine or any of its components! Product Description Using the illustration as a guide, familiarize your - self with the Shindaiwa AH254 ar ticulated hedge trimmer and its various components. Under - standing your machine helps ensure top per for - mance, longer ser vice life, and safer operation. Hand [...]

  • Page 6

    6 Specications Specifications are subject to change without notice. Model AH254 Engine T ype 4-cycle, vertical cylinder , air cooled Engine Bore x Stroke 34 x 27 mm/1.3 x 1.1 in. Engine Displacement 24.5cc/1.5 cu. in. Unit Weight, Less Fuel 6.3 kg/14 lbs. Unit Dimensions (LxWxH) 2360 x 225 x 235 mm / 92.9 x 8.9 x 9.3 in. Fuel T ank Capacity 590[...]

  • Page 7

    7 Assembly Before assembling, make sure you have all the components required for a com- plete unit: Unit assembly ■ Prior T o Assembly Kit with this manual and tool kit ■ for routine maintenance. Cutter blade cover ■ Carefully inspect all components for damage. IMPORT ANT! The terms “left”, “left-hand”, and “LH”; “right”, “r[...]

  • Page 8

    8 Cable Adjuster 4 - 6 mm Throttle lever free play Assembly (continued) The throttle lever free play should be approximately 4 - 6 mm. Make sure that the throttle lever operates smoothly with - out binding. If it becomes necessary to adjust the lever free play , follow the pro - cedures and illustrations that follow . Loosen the air cleaner cover k[...]

  • Page 9

    9 Filling the fuel tank Place the unit on a flat, level sur face. 1. Clear any dir t or other debris from 2. around the fuel filler cap. Remove the fuel cap, and fill the 3. tank with clean, fresh fuel. Reinstall the fuel filler cap and 4. tighten fir mly . W ipe away any spilled fuel before 5. star ting engine. CA UTION! Slowly remove the fue[...]

  • Page 10

    10 Make sure the attachment is clear of obstructions! ...and pull recoil starter handle upward Hold the unit rmly ... Press the primer bulb until fuel can 3. be seen flowing in the transparent retur n tube. IMPORT ANT! The primer system only pushes fuel through the carburetor . Repeatedly pressing the primer bulb will not flood the engine with[...]

  • Page 11

    11 Open After engine starts, move choke to OPEN position CA UTION! 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 . IMPORT ANT! If the engine fails to star t after several attempts with the choke in the closed position, the engine may be flooded with fue[...]

  • Page 12

    12 NEVER operate the unit with the cut - ting attachment shield or other protec - tive devices removed! Use only authorized Shindaiwa par ts and accessories with your Shindaiwa trimmer . Do not make modifications to this unit without written approval from Shindaiwa. ALWAYS make sure the cutting attach- ment is properly installed and fir mly tight[...]

  • Page 13

    13 Maintenance WARNING! Before performing any mainte- nance, repair , or cleaning work on the unit, make sure the engine and cutting attachment are completely stopped. Disconnect the spark plug wire before performing service or maintenance. WARNING! Non-standard accessories, cut - ting attachment, or replacement parts may not operate properly with [...]

  • Page 14

    14 spark plug gap--all models Components of air lter Filter element Prelter Loosen fasteners Remove the cover of the air lter Maintenance (continued) 10-Hour maintenance (more fr equently in dusty condi- tions) Remove the air filter cover by loosen- 1. ing the cover screw(s) and lifting. Remove and inspect the pre-filter . 2. If the pre-[...]

  • Page 15

    15 Lubricate cutter assembly and gearcase Gearcase grease tting B Fuel lter maintenance Fuel lter element Hooked wire Outer tube Gearcase Gearcase Clamp bolt Index bolt Remove the outer tube from the gearcase Gearcase lubrication Maintenance (continued) CAUTION! Do not remove the D-shaped shim washer from the gearcase clamp! The shim washe[...]

  • Page 16

    16 Maintenance (continued) 135-Hour Maintenance Combustion chamber should be ■ decarbonized, and the valve clear- ance should be adjusted. It is highly recommended that this is done by a Shindaiwa-trained ser vice technician. Replace the spark plug annually: ■ Use only the type recommended in the ”Specifications” section or an equivalent r[...]

  • Page 17

    17 Locknut Washer (should turn freely) Maintenance (continued) Mufer and spar k ar r ester maintenance Engine Cover Screws Engine Cover Mufer Mufer Gasket Mufer Bolts Spark Arrester Screen Spark Arrester Cover Cover Screws W ith a 3 mm hex wrench r emove the 1. 4 engine cover screws and the engine cover . If the engine becomes sluggish [...]

  • Page 18

    18 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 [...]

  • 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 fr esh, 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 JAS[...]

  • 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 purchas[...]

  • 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 Environmental Protection Agency (EP A) Y our emission control system may include parts such as: carburetor/fuel injected system, ignition system, catalytic converter , fuel tank, fuel lines, fuel caps, valves, canisters,  lters vapor hoses, clamps connectors, and other associ- ated components. For engines less than or equal to 80cc, only the [...]

  • Page 25

    25 NO TES[...]

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    26 NO TES[...]

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    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[...]