Shindaiwa 63848-94010 Trimmer User Manual
Contents
1. 21 Emission System Warranty 31 Attention Statements Throughout this manual are special attention statements l h cancer A statement preceded by the triangular attention symbol and the word DANGER indicates an i imminently hazardous situation i which if not avoided WILL result l in death or serious injury h warnine A statement preceded by the triangular attention symbol and the word WARNING indicates a potentially hazardous situation which if not avoided COULD result in death or serious injury CAUTION A statement preceded by the word CAUTION contains information that should be acted upon to avoid damage to the unit IMPORTANT A statement preceded by the word IMPORTANT is one that possesses special significance NOTE A statement preceded by the word NOTE contains information that is handy to know and may make your job easier Introduction The Shindaiwa AH231 Articulatied Hedge Trimmer is designed and built to deliver superior performance and reliability without compromise to quality comfort safety or durability Shindaiwa s high performance engines represent the leading edge of 2 cycle engine technology delivering exceptionally high power with remark ably 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 informatio2. Figure 28 fuel filter from inside the fuel tank Figure 30 Inspect the fuel filter i Black Wire CAUTION element If it shows signs of ent D i ihe D shanedshi contamination from debris replace ERa SOR OVS TS SANAP SM it with a genuine Shindaiwa replace Figure 10 washer from the gearcase clamp ment fuel filter element Before The shim washer prevents reinstalling the alte Ieper tie Assemble and Adjust the Throttle Cable damage from overtightening the fuel line If you discover damage or 1 Insert the throttle cable housing 3 Using finger pressure only connect tube clamp screw deterioration the unit should be into the notch on the fan cover and the black switch wire from the removed from service until it can be clamp the black wire s connector cable tube to the red ignition wire a Loosen the gearcase clamp bolt inspected by a Shindaiwa trained between the fan cover and the cable on the powerhead Wire routing b Remove the index bolt from the service technician outer adjuster nut as shown must be as shown in the illustration gearcase 2 Tighten the two throttle cable with the black wire located over the c Slide the gearcase out of the tube ee adjuster nuts spark plug wire ooke Using a grease gun pump lithium Wire IMPORTANT 4 he aay 1 i vi ane fac oe Adjust and tighten the cable nuts to allow approximately 1 4 inch freeplay until you see old grease being purged from the gearcase Figure at the thro
3. I START position 2 Move the choke lever down to the open position 16 e g m J gt e Z Z H lt aa LUI A O Cranking The Engine AA warnine When the engine starts or is running even at idle the hedge trimmer cutter blade may move oscillate Keep your hands and your body away from the cutter assembly while starting the engine BA warnine When starting the engine make sure the cutter attachment is well clear of bystanders pets or objects The cutter may oscillate during start up CAUTION Never operate the trimmer unless a cutter attachment is installed Before starting the engine make sure the cutter assembly is in the cutting position extended Refer to page 13 for adjustment procedures Never start the engine with the cutter assembly in the storage transporta tion position 1 Place the unit firmly on the ground making sure it is stable and that the cutter attachment is free and clear of any bystanders or objects Grip the outer tube with your left hand and grasp the starter rope handle with your right hand See Figure 19 Ly CAUTION The recoil starter can be damaged by abuse E Always engage the starter before attempting to crank the engine WE Never pull the starter cord to its full length E Always rewind the starter cord slowly 2 Pull the starter handle slowly until you feel the starter engage 3 Pull the
4. Shindaiwa Inc P O Box 2810 Tualatin Oregon 97062 Telephone 503 692 3070 FAX 503 692 6696 www shindaiwa com Shindaiwa Kogyo Co Ltd Head Office 6 2 11 Ozuka Nishi ASaminami ku Hiroshima 731 3167 Japan Telephone 81 82 849 2220 FAX 81 82 849 2481 2002 Shindaiwa Inc Part Number 63848 94010 Printed in Japan Rev 2 02 Specifications subject to change without notice SHINDAIWA OWNER S OPERATOR S MANUAL AH231 ARTICULATED HEDGE TRIMMER 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 Part Number 63848 94010 Rev 2 02 Contents PAGE Attention Statements 1 VETO CH CUIOU sisses enere 2 Safety Precautions cccceseesssseeeeees 2 Operating Precautions cee D Operating the Trimmer 0 0 Specifications voce cacdacceveeesecvccasienesegesseuexs 8 Product Description eee eeeeeeees 9 Powerhead Installation 10 Assembly and Adjustment 11 Adjusting the Cutter Assembly 13 Engine Fuel secs ce adeccnseaienosaacebezed acesetcs 15 Starting the Engine occ 16 Stopping the Engine 18 Adjusting Engine Idle 19 Maintenant sssssisiisssisssssnssssorrissuisis 20 Cutter Blade Adjustment 20 Long Term Storage cccccccceeeee 26 Troubleshooting Guide
5. New labels are available from your local autho rized Shindaiwa dealer Throttle Interlock Figure 1 gt LLI LL lt Operating Precautions WARNING Use Good Judgement Always make sure the cutter attachment is properly installed and firmly tightened before operation Never use a cracked or warped cutter or cutter bar replace it with a serviceable one and make sure it fits properly E Do not operate the articulated hedge trimmer with the muffler removed Make sure there is always good ventilation when operating the articulated hedge trimmer Fumes from engine exhaust can cause serious injury or death Never run the engine indoors Troubleshooting Guide continued ADDITIONAL PROBLEMS Symptom Excessive vibration Cutter will not rotate Possible Cause Warped or damaged attachment Loose gearcase Bent main shaft worn or damaged bushings Shaft not installed in powerhead or gearcase Remedy Inspect and replace attachment as required Tighten gearcase securely Inspect and replace as necessary Inspect and reinstall as required ee Broken shaft Consult your servicing Before starting the engine Make sure there are no missing dealer make sure the cutter is not or loose fasteners and that the contacting anything stop switch and throttle controls Damaged gearcase Consult your servicing Always stop the engine immediately and check for
6. or improper maintenance procedures E Failures caused by the use of modified or non approved parts or attachments This Warranty is Administered by Shindaiwa Inc 11975 S W Herman Rd Tualatin OR 97062 503 692 3070 32 Emission System Warranty Statement Your Warranty Rights and Obligations The California Air Resources Board the U S Environmental Protection Agency and Shindaiwa Kogyo Co Ltd are pleased to explain the emission control system warranty on your new small off road non road engine In California new small off road engines must be designed built and equipped to meet the State s stringent anti smog standards In other states new 1997 and later non road engines must meet the Federal EPA s strin gent anti smog standards Shindaiwa Kogyo Co Ltd must warrant the emission control system on your small off road engine for the periods of time listed below provided there has been no abuse neglect or improper maintenance of your small off road engine Your engine emission control system includes parts such as the carburetor the ignition system and if equipped the catalytic converter These components are specifically listed below Where a warrantable condition exists Shindaiwa Kogyo Co Ltd will repair your small off road engine at no cost to you including diagnosis parts and labor 31 Manufacturer s Warranty Coverage When sold within the U S this engine s emissio
7. spark plug hole Slowly pull the recoil starter 2 or 3 times so oil will evenly coat the interior of the engine Reinstall the spark plug Before storing the unit repair or replace any worn or damaged parts HM Remove the air cleaner element 1 Prime the primer bulb until no more fuel is passing through 2 Start and run the engine until stops running 3 Repeat steps 1 and 2 until the E engine will no longer start from the carburetor and clean it thoroughly with soap and water Let dry and reassemble the element Store the unit in a clean dust free area AONVNALNIVIN 26 Lu S Z lt LUI H lt Cutter Blade Adjustment AA warnine The cutter blades are very sharp Always wear gloves when working around the cutter assembly CAUTION Operating the trimmer with worn or improperly adjusted cutters will reduce cutter performance and may also damage your unit Cutter performance of your unit depends in great measure on cutter blade clearance Properly adjusted blades will oscillate freely yet help prevent binding of cut material between blades Adjust blades as follows Figure 32 20 1 Loosen all blade locknuts at least one full turn 2 Tighten each blade shoulder bolt firmly and then loosen the shoul der bolts 1 4 to 1 2 turn 3 Working from the gearcase end lock each bolt in place by firmly tightening its locknut while preventing the shoulder bolt from turn
8. AA warnine Do not touch the cutter blades when the engine is running The blades can oscillate even if the engine Is idling Various blade positions possible The cutter assembly can be adjusted to 10 different positions ranging from 120 to 270 from the outer tube as shown in Figure 14 Refer to the steps on the previous page for adjustment procedures Always make sure the lock latch is securely locked after each adjustment Figure 14 Adjusting the Cutter Assembly for Storage or Transportation AA warnine Never run the engine when adjusting the cutter assembly to the storage position 1 With the engine off install the scabbard onto the blade 2 Using the procedures described on the previous page rotate the cutter assembly so it is parallel to the tube Make sure the latch lock and the latch release return securely to a locking position See Figure 15 3 Make sure the scabbard is in place on the cutters before storing or transporting Gearcase rotated to the storage transportation position Figure 15 14 e g m J gt e Z Z H lt am LUI A O Mixing Fuel CAUTION Some types of gasoline contain alcohol as an oxygenate Oxygen ated gasoline may cause in creased operating temperatures Under certain conditions alcohol based gasoline may also reduce the lubricating qualities of some 2 cycle mixing oils Never use any type of gasoline conta
9. with the outer tube pivot 180 See Figure 13 Adjustment Adjustment 4 Release the latch lock and the latch release Make sure the latch lock and the latch release return securely to a locking position IMPORTANT The latch lock provides an interlock to help prevent inadvertent depression of the latch release 5 Remove the scabbard from the a cutter blade The engine now may be started refer to page 16 for procedures 13 10 Hour Maintenance CAUTION Do not operate the unit if the air cleaner or element is damaged or if the element is wet Every 10 hours of operation more frequently in dusty or dirty conditions Remove the air cleaner element from the air cleaner housing and clean it thoroughly with soap and water Let it dry before reinstalling the element See Figure 25 Unscrew Fastener AH231_30 Remove and clean the element Figure 25 10 15 Hour Maintenance CAUTION Before removing the spark plug clean the area around the plug to prevent dirt and debris from getting into the engine s internal parts Every 10 to 15 hours of operation E Remove and clean the spark plug See Figure 26 Adjust the spark plug electrode gap to 0 024 inch 0 6 mm If the plug must be replaced use only Champion CJ8 or equivalent type spark plug of correct heat range Clean the spark plug and check the gap at the ail 0 024 inch 0 6 mm Fi
10. EVER run the engine without the spark arrester screen in place 30 JJ O Cc U m m O o Z Q O O O V Lu l m O co Troubleshooting Guide continued ADDITIONAL PROBLEMS Symptom Possible Cause Clogged air cleaner element acceleration Clogged fuel filter Carburetor mixture too lean Idle speed set too low Switch turned off Engine stops Clogged fuel filter Water in the fuel Shorted spark plug or loose terminal Ignition failure Piston seizure Ground stop wire is disconnected or switch is defective Engine difficult to shut off Overheating due to incorrect spark plug Overheated engine Cutting Engine idle too high attachment mov sat Broken clutch spring or engine idle Loose attachment holder 29 worn clutch spring boss Remedy Clean the air cleaner element Replace the fuel filter Consult with an authorized servicing dealer Adjust 2 750 250 rpm min Reset the switch and re start Refuel Replace filter Drain and refill with fresh clean unleaded gasoline with a pump octane of 87 or higher mixed with a 2 cycle air cooled mixing oil that meets or exceeds ISO L EGD and or JASO FC classified oils at 50 1 gasoline oil ratio Clean and replace spark plug tighten the terminal Consult with an authorized servicing dealer Consult with an authorized servicing deal
11. ation Before assembling make sure you have all the components required for a complete unit E Engine assembly E Outer tube cutter assembly WE Kit with this manual and tool kit for routine maintenance E Cutter blade scabbard Carefully inspect all components for damage Release Gearcase Cutter Blades IMPORTANT The terms left left hand and LH right right hand and RH front and rear refer to directions as viewed by the operator during normal operation BA warnine Do not make unauthorized modifications or alterations to your articulated hedge trimmer or its components Long Term Storage Whenever the unit will not be used for 30 days or longer use the following procedures to prepare it for storage W Clean external parts thoroughly and apply a light coating of oil to all metal surfaces E Drain all the fuel from the fuel tank IMPORTANT E All stored fuels should be stabilized with a fuel stabilizer such as STA BIL if oil with fuel stabilizer is not used To remove the remaining fuel from the fuel lines and carburetor and with the fuel drained from the fuel tank CAUTION Gasoline stored in the carburetor for extended periods can cause hard starting and could also lead to increased service and mainte nance costs Remove the spark plug and pour about 1 4 ounce of 2 cycle mixing oil into the cylinder through the
12. bjects or thrown debris Danger Falling Debris Owners Warranty Responsibilities As the small off road engine owner you are responsible for the perfor mance of the required maintenance listed in this owners manual Shindaiwa Kogyo Co Ltd recom mends that you retain all receipts covering maintenance on your small off road engine but Shindaiwa Kogyo Co Ltd cannot deny warranty solely for the lack of receipts or for your failure to ensure the performance of all scheduled maintenance As the small off road engine owner you should be aware however that Shindaiwa Kogyo Co Ltd may deny you warranty coverage if your small off road engine or a part has failed due to abuse neglect improper mainte nance or unapproved modifications You are responsible for presenting your small off road engine to an authorized Shindaiwa Dealer as soon as a problem exists The warranty repairs should be completed in a reasonable amount of time not to exceed 30 days If you have any questions regarding your warranty rights and responsibili ties you should contact a Shindaiwa customer service representative at 503 692 3070 or your local Shindaiwa Dealer Consequential Damages In the event that other component parts of this product are damaged by the failure of a warranted part Shindaiwa Kogyo Co Ltd will repair or replace such component parts at no charge to you What is Not Covered E Failures caused by abuse neglect
13. cts or other reproductive harm An articulated hedge trimmer has the potential to do serious damage if misused abused or mishandled To reduce the risk of injury you must maintain control at all times and observe all safety precautions during operation Never permit a person without training or instruction to operate this trimmer ALJJVS gt gt LLI LL lt v Safety Precautions Read and follow this manual make sure anyone using the trimmer does likewise Failure to do so could result in serious personal injury or machine failure Keep this manual for future reference Always wear a hard hat to C reduce the risk of head injuries during operation BE of this machine In addition always wear eye and hearing protection Shindaiwa recommends wearing a face shield as additional face and eye protection Wear non slip heavy duty gloves to improve your grip on the trimmer handle Wear sturdy footwear with nonslip soles to provide good footing Steel toed safety boots are recom mended Wear snug fitting clothes that also permit freedom of movement Never operate this tool or any other power equip ment if you are tired ill or under the influence of alcohol drugs or any substance that could affect your ability or judgement Electrical Hazard Keep bystanders at least 50 feet 15 meters away from the operating trimmer to reduce the risk of being struck by falling o
14. d Bolt Catalyst Muffler Figure 31 4 Remove the two 5 mm muffler screws Remove the lower muffler screw then lift the muffler assem bly from the engine 5 Remove the rear muffler shield bolt and while noting the orientation of parts separate the muffler shield 6 Remove the spark arrester screen and clean with a stiff bristle brush 7 Gently tap the muffler on a wood surface to dislodge any loose carbon 8 Inspect the cylinder exhaust port for carbon buildup 9 Reassemble the muffler in the reverse order of disassembly IMPORTANT If you note excessive carbon buildup consult your servicing dealer Forward Spark Muffler Arrester Shield Screen v4 5 mm Muffler Screws SRD Lower Muffler Screw AONVNALNIVIN 24 90 Hour Maintenance Assembly AH231 Every 50 hours of operation more frequently in dusty or dirty conditions E Remove and clean the cylinder cover and clean dirt and debris from the cylinder cooling fins Black Wire E Lubricate the gearcase To perform this operation first remove d the gearcase from the outer tube as aA Gearcase follows Figure 28 Grease Fitting Gearcase Outer Tube Clamp Bolt Servicing the fuel filter CAUTION Make sure you do not pierce the fuel line with the end of the hooked wire The line is delicate and can be damaged easily Spark Plug Wire AIEWNASSV G SACAR E Use a hooked wire to extract the Index Bolt
15. damage if you strike a foreign object or if the unit becomes tangled Do not operate with broken or damaged equipment When cutting a branch that is under tension be alert for spring back so that you will not be struck by the moving branch are working properly If a cutter should bind fast in a cut shut off the engine immedi ately Push the branch or tree to ease the bind and free the cutter Make sure the cutters are correctly adjusted before operating the articulated hedge trimmer see page 24 for cutter adjustment procedures Never attempt cutter adjustment with dealer Stop the unit immediately if it suddenly begins to vibrate or shake Inspect for broken missing or improperly installed the engine running parts or attachments WARNING Minimize the Risk of Fire NEVER smoke or light fires near the unit M ALWAYS stop the engine and allow it to cool before refuel ing Avoid overfilling and wipe off any fuel that may have spilled ALWAYS move the unit to a place well away from a fuel storage area or other readily flammable materials before starting the engine E ALWAYS inspect the unit for fuel leaks before each use During each refill check that no fuel leaks from around the fuel cap and or fuel tank If fuel leaks are evident stop using the unit immediately Fuel leaks must be repaired before using the unit E NEVER place flammable material close to the engine muffler N
16. er Test and replace as required Replace the spark plug with a Champion CJ8 or equivalent spark plug of the correct heat range Adjust the spark plug electrode gap to 0 024 inch 0 6 mm Idle engine until cool Refer to page 20 overheated engine Set idle 2 750 250 rpm min Replace spring shoes as required check idle speed Inspect and re tighten holder securely A warnine E Never transport the articulated hedge trimmer nor set it down with the engine running An engine that s running could be accidently accelerated causing the blades to oscillate Make sure the cover is in place when transporting the articulated hedge trimmer When carrying the articulated hedge trimmer by hand the cutter attachment should be pointing backward with the cutter blade in the retracted or transporting position see page 13 for articulating adjustment procedures See Figure 2 Figure 2 CAUTION E Always maintain the articu ALSAVS lated hedge trimmer according to this owner s manual and follow the recommended scheduled maintenance Never modify or disable any of the hedge trimmer s safety devices Always use genuine Shindaiwa parts and accesso ries when repairing or main taining this unit Do not make unauthorized modifications to the articulated hedge trimmer Never allow the engine to run at high RPM without a load Doing so could damage the engine When transpor
17. fuel tank and or fuel tank cap are damaged Never smoke or light any fires near the trimmer or fuel E Never place any flammable material near the engine muffler Never operate the engine without the muffler and spark arrester in place and properly functioning Filling the Fuel Tank 1 Place the Articulated Hedge Trimmer on a flat level surface 2 Clear any dirt or other debris from around the fuel filler cap 3 Remove the fuel cap and fill the fuel tank with clean fresh fuel mixture 4 Install and firmly tighten the fuel cap shindanwa n j Oil is a registered JASO FC classified oil and also meets or exceeds ISO L EGD performance requirements Shindaiwa One is recommended for use in all Shindaiwa low emissions egines Shindaiwa one also includes a fuel stabilizer General Maintenance IMPORTANT Muffler BA warnine Operating the engine without a MAINTENANCE REPLACEMENT OR REPAIR OF EMISSION CON TROL DEVICES AND SYSTEM MAY BE PERFORMED BY ANY REPAIR ESTABLISHMENT OR INDIVIDUAL HOWEVER WARRANTY REPAIRS MUST BE PERFORMED BY A DEALER OR SERVICE CENTER AUTHORIZED BY SHINDAIWA KOGYO LTD AND USE OF PARTS THAT ARE NOT EQUIVALENT IN PERFORMANCE AND DURABILITY TO AUTHORIZED PARTS MAY IMPAIR THE EFFECTIVENESS OF THE EMISSION CONTROL SYSTEM AND MAY HAVE A BEARING ON THE OUTCOME OF THE WAR RANTY CLAIM BA warnine Before performing any mainte nance repair or cleaning work on the uni
18. gh at all speeds May also have black smoke and or unburned fuel at the exhaust Engine is knocking Possible Cause Remedy Operator is overworking Shorten trimmer line Cut at the machine Carburetor mixture is too lean Improper fuel ratio Fan fan cover cylinder fins dirty or damaged Carbon deposits on the piston or in the muffler Clogged air cleaner element Loose or damaged spark plug Air leakage or clogged fuel line Water in the fuel Piston seizure Faulty carburetor and or diaphragm Overheating condition Improper fuel Carbon deposits in the combustion chamber a slower rate Consult with an authorized servicing dealer Refill with fresh clean unleaded gasoline with a pump octane of 87 or higher mixed with a 2 cycle air cooled mixing oil that meets or exceeds ISO L EGD and or JASO FC classified oils at 50 1 gasoline oil ratio Clean repair or replace as necessary Consult with an authorized servicing dealer Service the air cleaner Tighten or replace Replace the spark plug with a Champion CJ8 or equivalent spark plug of the correct heat range Adjust the spark plug electrode gap to 0 024 inch 0 6 mm Repair or replace fuel filter and or fuel line Refill with fresh clean unleaded gasoline with a pump octane of 87 or higher mixed with a 2 cycle air cooled mixing oil that meets or exceeds ISO L EGD and or JASO FC classified
19. gure 26 E Lubricate the cutter assembly gearbox by pumping one or two strokes of lithium base grease into the grease fitting using a lever type grease gun See Figure 27 CAUTION Overlubricating can cause the gearbox to operate sluggishly and can cause grease to leak out Gearbox Grease AONVNALNIVIN 22 Lu S Z lt LUI H lt Daily Maintenance Prior to each work day perform the following E Remove all dirt and debris from the engine check the cooling fins and air cleaner for clogging and clean as necessary See Figure 24 Keep cooling fins clean Figure 24 E Carefully remove any accumulations of dirt or debris from the muffler and fuel tank Check cooling air intake area at base of crankcase Remove all debris Dirt build up in these areas can lead to engine overheating fire or premature wear 21 h warnine Always wear gloves when working around the cutter assembly E Clean any debris or dirt from the hedge trimmer cutter blades Lubricate the blades before use and after refueling Check the cutters for damage or incorrect adjustment Check for loose or missing screws or components Make sure the cutter attachment is securely fastened M Check the entire unit for leaking fuel or grease E Make sure nuts bolts and screws except carburetor adjusting screws are tight Adjusting the Hedge Trimmer Cutter Assembly for Desired Cutting Angles
20. ing When shoulder bolt adjustment is correct there should be a gap of 0 25 0 50 mm between the cutter blades and the flat washers and the flat washer beneath each bolt head should turn freely Locknut Guide Bar Cutter Blades Washer Shoulder should turn Bolt freely Figure 32 Powerhead Installation Outer Tube Grip Ignition Switch Throttle Lever Figure 5 Main Shaft Clamp AEE ERIA Clamp Screw Connect the Outer Tube to the Powerhead 1 Place the powerhead on a clean flat 3 Add some moly type EP grease to surface spark plug facing up splines at the end of the main shaft 2 Use the 4mm hex wrench to loosen 4 Slide the outer tube into the tube Tube Clamp Shim Washer Figure 6 the tube clamp screw Verify that the D shaped shim washer is positioned as shown in Figure 6 CAUTION Do not remove the D shaped shim washer The shim washer pre vents damage from overtightening the tube clamp screw clamp until the tube bottoms If installation is difficult rotate the outer tube or main shaft slightly until you feel the mainshaft splines engage with the powerhead See Figure 5 5 Position the outer tube so that the ignition switch is facing up and the throttle lever is facing down See Figure 5 6 Slide the outer tube into the powerhead until the throttle grip just contacts the tube clamp 7 Tighten the clamp screw firmly CAUTION Do not force
21. ining more than 10 alcohol by volume Generic oils and some outboard oils may not be intended for use in high performance 2 cycle type engines and should never be used in your Shindaiwa engine CAUTION This engine is designed to operate on a 50 1 mixture consisting of unleaded gasoline and ISO L EGD or JASO FC class 2 cycle mixing oil only Use of non approved mixing oils in catalyst equipped units can lead to excessive carbon deposits E Use only fresh clean unleaded gasoline with a pump octane of 87 or higher W Mix all fuel with a 2 cycle air cooled mixing oil that meets or exceeds ISO L EGD and or JASO FC classified oils at 50 1 gasoline oil ratio Examples of 50 1 mixing quantities W 1 gallon of gasoline to 2 6 oz mixing oil W 5 litres of gasoline to 100 ml mixing oil IMPORTANT Mix only enough fuel for your immedi ate needs If fuel must be stored longer than 30 days and oil with fuel stabilizer is not used it should first be treated with a fuel stabilizer such as StaBil 15 Bd wannine Minimize the risk of fire E Stop engine before refueling E Always allow the Articulated Hedge Trimmer to cool before refueling E Wipe all spilled fuel and move the Articulated Hedge Trim mer at least 10 feet 3 meters from the fueling point before restarting Never start or operate this unit if there is a fuel leak E Never start or operate this unit if the carburetor fuel lines
22. n contained in these instructions describes units available at the time of publication While every attempt has been made to provide the latest information about your Shindaiwa product there may be some differences between your AH231 and what is described here Shindaiwa Inc reserves the right to make changes to products without prior notice and without obligation to make alterations to units previously manufactured The procedures described in this manual are intended to help you get the most from your unit as well as to protect you and others from harm These procedures are guidelines for safe operation under most conditions and are not intended to replace any safety rules and or laws that may be in force in your area If you have questions regarding your power tool or if you do not understand something in this manual your Shindaiwa dealer will be glad to assist you You may also contact Shindaiwa Inc at the address printed on the back of this Manual Safety Precautions Mnr fo THE ARTICULATED HEDGE i TRIMMER IS NOT INSULATED AGAINST ELECTRICAL SHOCK l Approaching or contacting electrical lines with the trimmer could cause death or serious J injury Keep the trimmer at least i 33 feet 10 meters away from electrical lines or branches that contact electrical lines BA warnine The engine exhaust from this product contains chemicals known to the State of California to cause cancer birth defe
23. n control system is warranted for a period of two 2 years from the date this product is first delivered to the original retail pur chaser During the warranty period Shindaiwa Kogyo Co Ltd will at their option repair or replace any defective emission related component on this engine During the original Warranty Period these Warranty Rights are automatically transferable to subsequent owners of this product What is Covered by this Warranty 1 Carburetor Internal Components E Throttle Valve Needle Jet Metering Diaphragm 2 Ignition System Components E Ignition Coil E Flywheel Rotor 3 Catalytic Converter if originally equipped The emission control system for your particular Shindaiwa engine may also include certain related hoses and connectors Safety Equipment and Labels READ OPERATOR S MANUAL ALAAVS EE AT WEAR PROTECTION N CD SA Shaft Safety Label AS ELECTRICAL HAZARD 15ft 4 5M BYSTANDERS Cutter Blade STAY CLEAR Scabbard i A DANGER THIS PRODUCT CONDUCTS ELECTRICITY DANGER KEEP THE PRODUCT AND OR OPERATOR FALLING DEBRIS A MINIMUM DISTANCE OF 15 FEET 4 5 METERS AWAY FROM ELECTRICAL SOURCES AND POWER LINES High Voltage Label A Ignition N Switch Hand Guard 2 v ms IMEORTANI l DI N Safety and Operation Information TA Labels Make sure all information NS pr labels are undamaged and readable Immediately replace damaged or missing information labels
24. ng System 080 Forced air Stopping Method 00 Slide switch Transmission Type Automatic centrifugal clutch with bevel gear Blade Length 567 mm 22 3 in Cutter Drive 0 0 ee ccseeeeees Spur gear Gear Lubricant Lithium based grease Standard Equipment cceesssseeees Tool kit containing a spark plug wrench 4mm hex wrench and 8 x 10mm spanner Optional Equipment 00 Harness and bracket EPA Emission Compliance Period Category A The EPA emission compliance referred to on the emission compliance label located on the engine indicates the number of operating hours for which the engine has been shown to meet Federal emission requirements Category C 50 hours Moderate B 125 hours Intermediate and A 300 hours Extended Specifications are subject to change without notice s m N O g e Z DESCRIPTION Product Description Air Filter Assembly Top Engine Cover Screw Latch Lock Hedge Trimmer Cutter Assembly Cutter Assembly Adjustment Lever Cutter Blade Scabbard Hedge Trimmer Cutter Assembly AH231_07 Latch Cutter Bar and Fuel Tank Guard Figure 4 Prior To Assembly Using Figure 4 as a guide familiarize yourself with the Shindaiwa AH231 articulated hedge trimmer and its various components Understanding your unit helps ensure top perfor mance longer service life and safer oper
25. oils at 50 1 gasoline oil ratio Consult with an authorized servicing dealer Consult with an authorized servicing dealer See above Check fuel octane rating check for presence of alcohol in the fuel pg 15 Refuel as necessary Consult with an authorized servicing dealer 28 JJ O Cc U m m O o Z Q 2 O O V Lu l m O co Troubleshooting Guide What To Check Does the engine NO crank Good compression Does the tank contain fresh fuel of the proper grade Is fuel visible and moving in the return line when priming Is there spark at NO the spark plug wire terminal Check the spark plug 2 ENGINE DOES NOT START Possible Cause Remedy Faulty recoil starter Fluid in the crankcase Internal damage Consult with an authorized servicing dealer Tighten and re test Consult with an authorized servicing dealer Loose spark plug Excess wear on cylinder piston rings Fuel incorrect stale or Refill with fresh clean unleaded contaminated mixture gasoline with a pump octane incorrect of 87 or higher mixed with a 2 cycle air cooled mixing oil that meets or exceeds ISO L EGD and or JASO FC classified oils at 50 1 gasoline oil ratio Check for clogged fuel Clean as required filter and or vent restart The ignition switch Move switch to I ON is in O OFF position position and re sta
26. rt Shorted ignition ground Consult with an authorized Faulty ignition unit servicing dealer If the plug is wet excess Crank the engine with the fuel may be in the plug removed reinstall the cylinder spark plug and re start The plug is fouled Clean and re gap the spark plug or improperly gapped to 0 024 inch 0 6 mm Re start The plug is damaged Replace the spark plug with a internally or of the Champion CJ8 or equivalent spark wrong size plug of the correct heat range Adjust the spark plug electrode gap to 0 024 inch 0 6 mm AH231 Specifications Dry Weight 5 9 kg 13 0 lb Length storage or transporting position 2360mm 93 0 in Engine Type 2 cycle air cooled vertical cylinder Bore x Stroke 32 x 28 mm 1 3 x 1 1 Displacement 22 5 cc 1 4 cu in Maximum Output 1 1 hp 0 8kW 7500 rpm mint Fuel oil ratio 50 1 with ISO L EGD or JASO FC class 2 cycle Mixing Oil Shindaiwa ONE 1s a registered JASO FC classified oil and also meets or exceeds ISO L EGD performance requirements Fuel Tank Capacity 670 cc 22 7 oz Carburetor Type Walbro WYL diaphragm type Ignition One piece electronic transistor controlled Spark Plug EPA version Champion CJ8 Air Filter Nonreversible flocked filter element Muffler Type 2 Stage Catalyst Starting Method wee Recoil Cooli
27. s up 2 Ifthe cutter attachment rotates at engine idle reduce idle speed by turning the idle adjusting screw counter clockwise as necessary See Figure 23 ig IMPORTANT Use a tachometer if one is available to set engine idle Standard idle speed is 2 750 4250 rpm min Idle Adjusting Figure 23 IT 3 Ifthe engine is stalling and won t idle increase idle speed by turning the idle adjustment screw clockwise NOTE This model is equipped with an EPA approved carburetor with no mixture adjustment Starting A Cold Engine Restarting After Refueling IMPORTANT Engine ignition is controlled by a two position START STOP switch mounted on the throttle body typically labelled T for START and O for STOP 1 Slide the ignition switch to the I START position See Figure 16 Figure 16 2 Prime the engine by depressing the carbure tor primer bulb four or five times See Figure 17 You should be able to see fuel inside the bulb Return Tube AH231_23 Figure 18 3 Choke the engine by moving the choke lever up to the closed position See Figure 18 Before starting the engine make sure the cutter assembly is in the cutting position extended Refer to page 13 for adjustment procedures Never start the engine with the cutter assembly in the storage transporta tion position Control Positions warm engine 1 Slide the ignition switch to the
28. starter handle quickly to start the engine When The Engine Starts Or Fires Open the choke by moving the choke lever down See Figure 20 Choke Lever Open BA warnine The cutter attachment will engage and oscillate as the engine starts and accelerates If the engine does not continue to run repeat the appropriate cranking procedure warm or cold engine When the engine starts clear excess fuel from the combustion chamber by revving the engine several times with the throttle trigger If The Engine Fails To Start Repeat the appropriate cranking procedure warm or cold engine If the engine fails to start after repeated attempts the engine is likely flooded Starting A Flooded Engine 1 Disconnect the spark plug lead and use the spark plug wrench to remove the spark plug turn counter clockwise to remove See Figure 21 2 Slide the ignition switch to the O STOP position Figure 21 If the spark plug is fouled or soaked with fuel clean the plug as necessary for spark plug gapping specifications see page 21 3 Open the choke Figure 20 and fully depress the throttle lever with your left hand then pull the starter handle rapidly with your right hand to clear excess fuel from the combustion chamber CAUTION Incorrect spark plug installation can result in serious engine damage 4 Reinstall the spark plug and tighten it firmly If a torque wrench is available torq
29. t make sure the engine and cutting attachment are completely stopped Disconnect the spark plug wire before performing service or maintenance work BA warnine Non standard parts may not operate properly with your unit and may cause damage and lead to personal injury IMPORTANT Using non standard replacement parts could invalidate your Shindaiwa warranty muffler or with a muffler that is damaged or improperly installed can increase engine noise suffi ciently to cause hearing loss This unit must never be operated with a faulty or missing spark arrestor 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 Spark Plug Keep the spark plug and wire connec tions tight and clean AONVNALNIVIN 20 Z 2 H lt aa LUI A O Adjusting The Carburetor BA warninc The cutter attachment must never oscillate at engine idle speed If the idle speed cannot be adjusted by the procedures described here return the trimmer to your Shindaiwa dealer for inspection The engine must return to idle speed whenever the throttle trigger is released Idle speed is adjustable and must be set low enough to permit the engine clutch to disengage the cutter attachment when throttle trigger is released Check and Adjust Idle Speed 1 Start the engine and allow it to idle two or three minutes or until it warm
30. the shaft tube into the powerhead Excessive force can damage the shaft tube and mainshaft 10 gt l co LLI U V lt Assembly AH231 Disconnect the spark plug boot and loosen the three engine cover screws top screw is captive Lower Engine Cover Screws Figure 7 Install the black wire between the two cable adjusters Ignition Ground Lead Adjuster Figure 8 Connect the Throttle Cable 1 Loop the ribbed cable tube to the top left side of the engine 2 Install the black wire between the two cable adjuster nuts as shown in Figure 8 11 Remove the Cylinder Cover 1 Remove the spark plug boot 2 Loosen the three cylinder cover screws and then lift off the cylinder cover Connect the throttle cable 3 Connect the S shaped end of the throttle cable to the throttle lever on top of the carburetor See Figure 9 135 hour Maintnenace Every 135 hours of operation remove and clean the muffler h warnine Never operate the unit with a damaged or missing muffler or spark arrester Operating with missing or damaged exhaust components is a fire hazard and could also damage your hearing 1 Remove the spark plug boot 2 Loosen the two 4 mm engine cover screws located at the top of the recoil housing 3 Loosen the 5 mm engine top cover screw the screw is captive and lift the cover from the engine Rear Muffler Rear Muffler Shiel
31. ting the hedge trimmer in a vehicle tie it down securely to prevent fuel spillage or damage to the unit Always clear your work area of trash or hidden debris to help ensure good footing Keep the cutters sharp and properly adjusted Keep the articulated hedge trimmer as clean as possible Keep it free of loose vegeta tion mud etc gt gt LLI LL lt Operating the Articulated Hedge Trimmer Always wear a hard hat to reduce the risk of head injuries during operation of this unit Secure long hair so it is above shoulder level Wear non slip heavy duty gloves to improve your grip on the trimmer handle Wear snug fitting clothes that also permit freedom of movement NEVER wear shorts Keep a proper footing and do not Always wear eye and hearing protection Shindaiwa recommends wearing a face shield as additional face and eye protection Always operate with both hands firmly gripping the unit overreach maintain your balance at all times during operation Wear sturdy footwear with nonslip soles to provide good footing Steel toed safety boots are recommended Never operate unit bare footed Figure 3 Keep bystanders at least 50 feet 15 meters away from the operating trimmer to reduce the risk of being struck by falling objects or thrown debris Troubleshooting Guide continued LOW POWER OUTPUT What To Check Is the engine overheating Engine is rou
32. ttle trigger CAUTION 29 Purged grease will be visible in the outer tube cavity Clean up excess grease then reassemble the gearcase onto the outer tube Make sure the index bolt fits into the hole on the outer tube Securely tighten Filter Element both bolts Figure 30 5 Reinstall the spark plug boot Lu S Z lt LUI H lt Wiring routing must not interfere with throttle operation 29 12 Z O _ lt aa Lu A O Adjusting the Hedge Trimmer Cutter Assembly 2 With the index finger of your left hand press the latch release With AA wannine your left thumb press the latch lock See Figure 12 mM The cutter blades are very sharp Do not grasp the blades with your hands Do not brush the blades against Latch Release your body Never run the engine nor operate the articulated hedge trimmer when the cutter assembly is in the storage transport position IMPORTANT Always use gloves when working near the cutter assembly Position the hedge trimmer on a flat level surface with the engine resting on the fuel tank guard Make sure the isi Latch Lock scabbard is in place on the blade ETER 1 With your right hand grasp the handle located immediately behind the hand guard With your left hand grip the adjustment lever on the cutter assembly See Figure 11 3 While holding the latch lock down pivot the cutter assembly using the adjustment lever until it is straight
33. ue the spark plug to 148 165 in lb 170 190 kg cm 5 Repeat the starting procedure for a warm engine 6 If the engine still fails to start refer to the troubleshooting section near the end of this manual Stopping the Engine Ad warnine The cutter attachment can con tinue moving after the engine is stopped 1 Cool the engine by allowing it to idle for two or three minutes 2 Slide the ignition switch to the O or STOP position See Figure 22 18 e g m J gt e Z
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