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SHINDAIWA OWNER’S/OPERATOR'S MANUAL
AHS242 ARTICULATED
HEDGE TRIMMER
WARNING!
Always wear eye and ear
protection when operating
this machine! To minimize the risk of
injury to yourself and others, read this
manual and familiarize yourself with
its contents.
X7502801200
06/10
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Introduction The Shindaiwa AHS242 Articulated IMPORTANT! WARNING! Hedge Trimmer is designed and built The information contained in these The engine exhaust from this to deliver superior performance and instructions describes machines avail- product contains chemicals known to reliability without compromise to qual- able at the time of publication. ity, comfort, safety or durability. the State of California to cause can- cer, birth defects or other reproduc- Echo Inc. reserves the right to
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Safety and Operational Labels An articulated hedge trimmer The blades / cutting attach- Wear non-slip heavy-duty has the potential to cause ments are SHARP! Handle gloves. serious personal injury to the with care. operator or bystanders if mis- used, abused or mishandled. You must observe all special Safety tip shoes or boots safety instructions to reduce with non-slip sole should be Be aware of the danger of the risk of personal injury. worn. falling debris. Read and follow this manu
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Operating Precautions WARNING! ■ Never transport the articulated ■ Immediately stop the engine with hedge trimmer or leave it unat- ■ Make sure there is always good the stop switch if the machine sud- tended with the engine running. ventilation when operating the artic- denly begins to vibrate or shake. An engine that’s running could be ulated hedge trimmer. Fumes from ■ Always stop the engine imme- accidently accelerated causing the engine exhaust can cause seri- diately and check for da
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Safety (continued) WARNING! Operation of this equipment may create sparks that can start fires around dry vegetation. This unit is equipped with a spark arrestor and a spark arrestor may be required. The operator should contact local fire agencies for laws or regulations relating to fire prevention requirements. CAUTION! ■ Do not make unauthorized modi- ■ Always stop the engine and allow fications to the articulated hedge it to cool before refueling. Avoid ■ Always maintain the articu- t
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Operator Safety Always wear a hard hat This machine is designed ALWAYS clear your work area to reduce the risk of head for trimming hedges. Do of trash or hidden debris that injuries during operation of not use this machine for could be thrown back at you or this machine. other purposes. toward a bystander. Always wear eye and hearing protection. ALWAYS protect Shindaiwa recommends wearing a yourself from hazards face shield as additional face and eye such as thorny brush protecti
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Specifica tions Model AHS242 Engine type 2-cycle, air cooled, vertical cylinder Dimensions (L x W x H) 1682 mm (66.2 in) x 248 mm (9.76 in) x 245 mm (9.6 in) Weight 5.99 Kg (13.2 lb) Bore x stroke 33 x 28 mm/1.3 x 1.1 in. 3 Displacement 23.9 cm /1.46 cu. in. Fuel/oil ratio 50:1 with *ISO-L-EGD or JASO FD class engine oil Carburetor type Diaphragm-type Fuel tank capacity 690 ml/ 23.3 oz. Ignition One-piece electronic, C.D.I. Spark plug NGK BPMR8Y Electrode Gap 0.6 mm/ .024 in. Torque 150-170 kg
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Assembly Prior To Assembly IMPORTANT! Before assembling, make sure you ■ Kit with this manual and tool kit for have all the components required for a The terms “left”, “left-hand”, and “LH”; routine maintenance. complete unit: “right”, “right-hand”, and “RH”; “front” Carefully inspect all components for and “rear” refer to directions as viewed ■ Unit assembly damage. by the operator during normal opera- ■ Cutter blade cover tion. Handle Throttle Assembly Socket-head This unit comes wi
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Assembly (continued) Travel limiter and adjustment range NOTE: 225° This articulated hedge trimmer is Travel Limiter 135° equipped with a travel limiter that pre- vents the cutter assembly from rotating outside of the 90°- 225° range. The cutter assembly can be adjusted to 10 different positions ranging from 90° 90° to 225° from the outer tube as shown. Always make sure the latch lock is securely locked after each adjustment. The travel limiter prevents the cutter assembly from rotati
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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 After use 1. Fill an approved fuel container with half of the • DO NOT store a unit with fuel in its tank. Leaks can required amount of gasoline. occur. Return unused fuel to an approved fuel stor- 2. Add the proper amount of engine oil to gasoline. age container. 3. Close container and shake to mix oil with gaso- line. Storage - Fuel storage laws vary by locality. Contact 4. Add remaining gasoline, close fuel container, and your local government for the laws affect
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Starting the Engine (continued) 1. Slide the ignition switch to the “ON” position. 2. Press the primer bulb until fuel can ON be seen flowing in the transparent Primer Bulb return tube. IMPORTANT! The primer system only pushes fuel through the carburetor. Repeatedly pressing the primer bulb will not flood the engine with fuel. Press the primer bulb Slide the ignition switch to the “ON” position 3. Set the choke lever to the CLOSED position if engine is cold. 4. While holding the outer t
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Starting the Engine (continued) When the Engine Starts... ■ After the engine starts, allow the ■ Advancing the throttle makes the If the engine does not start engine to warm up at idle 2 or 3 cutting attachment move faster; ■ Repeat the appropriate starting pro- minutes before operating the unit. releasing the throttle permits the cedure for a cold or warm engine. attachment to stop moving. If the ■ If the engine does not continue to ■ If the engine still fails to start, cutting attachmen
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Safe Operation Before trimming: This machine is designed especially for trimming hedges. ■ Wear suitable protective clothing ■ Rest when you feel fatigued. Never use this machine for any other and equipment. See the “Safety” ■ Never stand directly underneath the purposes. Never try to cut stones, met- section for information. branch you are cutting. Be aware of als, plastics or any other hard objects. ■ Choose the best working position falling branches. Note that a branch Using this Art
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Maintenance (continued) Muffler Spark Plug This unit must never be operated with a faulty or missing Keep the spark plug and wire connections tight and clean. spark arrester or muffler. Make sure the muffler is well Fasteners secured and in good condition. A worn or damaged muffler is a fire hazard and may also cause hearing loss. Make sure nuts, bolts, and screws (except carburetor adjusting screws) are tight. Cutter blade adjustment 3. Working from the gearcase end, lock WARNING! Locknut
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Maintenance (continued) 10-Hour maintenance (more frequently in dusty conditions) Unscrew 1. Remove the air cleaner cover by Fasteners loosening the cover screw(s) and lifting. Air Filter 2. Remove the air cleaner element. Element ■ In dusty applications the filter should be gently blown out with compressed air daily or 2 to 3 times per week. IMPORTANT! Direct the air stream at the inside face of the filter only! ■ Once each week the filter should Loosen air cleaner cover screws be cl
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Maintenance (continued) 50-hour maintenance Every 50 hours of operation; more frequnetly in dusty conditions: Hooked wire ■ Remove and clean the cylinder cover and clean dirt and debris from the cylinder cooling fins. Remove and replace the fuel filter element. ■ 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. Fuel filter element
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Maintenance (continued) 135 Hour Maintenance Engine Cover Engine Cover Screws Muffler Cover Muffler Cover Screw Muffler screws Muffler Screws Gasket Outlet Muffler Spark arrester Spark arrester gasket screen cover Muffler and spark arrester maintenance If the engine becomes sluggish and 5. With a 4 mm hex wrench remove the 1. Remove the spark plug boot. low on power, check and clean the three muffler bolts and the muffler. 2. With a 3 mm hex wrench remove the spark arrester screen. 6.
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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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Troubleshooting Guide ENGINE DOES NOT START OR HARD TO START Remedy Possible Cause What To Check Let cool completely and restart. Engine hot/heat soaked. Vaporlock. Refi ll with fresh, clean unleaded gasoline with a pump octane Low fuel quality. Refi ll with fresh, clean unleaded gasoline with a pump octane of 89 or higher of 89 or higher mixed with an air cooled engine oil that mixed with an air cooled engine oil that meets or exceeds ISO-L-EGD and/ meets or exceeds ISO-L-EGD and/or JASO FD cl
