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SHINDAIWA OWNER’S/OPERATOR’S MANUAL
C242 BRUSHCUTTER
C242
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.
Part Number 81359 Rev 8/06
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Introduction Attention Statements Safety Instructions The Shindaiwa 242 Series hand held Throughout this manual are special Work Safely power equipment has been designed and “attention statements”. Shindaiwa trimmers operate at very high built to deliver superior performance and speeds and can do serious damage or reliability without compromise to quality, injury if they are misused or abused. WARNING! comfort, safety or durability. Never allow a person without training or Shindai
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Safety Instructions The Properly Equipped Operator WARNING! Wear hearing protection devices UseGood Judgment and a broad-brimmed hat or ALWAYS wear eye protection to shield Wear close-fitting clothing to pro- helmet. tect legs and arms. Gloves offer against thrown objects. added protection and are strongly NEVER run the engine when Always wear eye protection such as recommended. Do not wear goggles or safety glasses. transporting the unit. clothing or jewelry that could get
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Be Aware of the Working Environment Make sure bystanders or observers outside the Avoid long-term operation in very hot or 50-foot “danger zone” wear eye protection. very cold weather. 50 FEET Reduce the risk of bystanders being struck by flying debris. Make sure no one is within 50 When operating in rocky terrain or near feet (15 meters)—that’s electric wires or fences, use extreme cau- about 16 paces—of an tion to avoid contacting such items with operating attachment. the cuttin
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Product Description C242 BRUSHCUTTER Throttle Ignition Spark Plug Interlock Switch Muffler Strap Throttle Hanger Trigger Fuel Tank Outer Tube Handle Bar Using the accompanying illustrations as a guide, familiarize yourself with this unit Gear Case and its various components. Understanding your unit helps ensure top performance, Cutting long service life, and safer operation. Attachment Shield WARNING! Do not make unauthorized modifica- tions or alterations to any of these units or their
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Assembly Cutting Attachment Shield Bracket Cutting Attachment Shield Socket- Head Cap Outer Screw Tube Shim Clamp Screw Shim Line Cutter Cutting Retaining Cutting Attachment Mounting Nut Attachment Plate Sub-shield with Shield Line Cutter Figure 5A Figure 5 Install the Cutting Attachment Shield C242 Cutting Attachment Shield 1. Insert the cutting attachment shield WARNING! between the outer tube and the cutting NEVER operate the unit without the attachment mounting plate. See Fig
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Assembly (Continued) Handle Bar C242 Ignition Switch Handle Positioning Label Install the handlebar: 1. Use the 4 mm hex wrench to remove POSITION HANDLE Hanger FORWARD OF THIS LINE the lower cap retaining screws from the handlebar bracket. Remove the cap from Shoulder Strap the bracket. See Figure 7. Throttle Trigger Protector Sleeve 2. Position the handle on the outer tube forward of Handle Positioning Label as shown in Figure 7. Reassemble the lower cap to the handlebar bracket in t
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Installing a Trimmer Head NOTE: Hand-tighten Trimmer Head (coun- ter-clockwise to install) The C242 is shipped with Holder A, Holder B, Shaft Bolt shaft bolt, and bolt guard installed. The shaft (not used) bolt is a LEFT-HAND thread. Remove it by turn- Gear Case ing CLOCKWISE! Shaft Bolt Guard 1. With the gear case output shaft facing (not used) up, rotate the gearshaft and holder A until the hole in holder A aligns with the Holder B matching hole in the gear case flange, and then lock
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Installing a Blade CAUTION! Turn the C242 upside down so the gear Shaft Bolt case output shaft is facing UP and Install the blade so its printed surface remove the shaft bolt, bolt guard and is visible to the operator when the holder B from the gear case shaft. Bolt Guard brushcutter is in the normal operating position. 1. Align the hole in blade holder A with the Holder B matching hole in the gear case flange and then temporarily lock the output Output Shaft shaft by inserting a hex
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Mixing Fuel CAUTION! Examples of 50:1 mixing quantities CAUTION! n 1 gallon of gasoline to 2.6 oz. mixing oil This engine is designed to operate on Some types of gasoline contain alcohol a 50:1 mixture consisting of unleaded as an oxygenate. Oxygenated gaso- n 5 liters of gasoline to 100 ml. mixing oil gasoline and ISO-L-EGD or JASO FC line may cause increased operating IMPORTANT! class 2-cycle mixing oil only. Use of temperatures. Under certain condi- Mix only enough fuel for your immedia
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Starting the Engine (continued) When the Engine Starts... WARNING! WARNING! n After the engine starts, allow the en- gine to warm up at idle 2 or 3 minutes The cutting attachment may rotate Never start the engine from the oper- before operating the unit. when the engine is started! ating position. n After the engine is warm, pick 5. When the engine starts, slowly move the IMPORTANT! up the unit and clip on the shoulder choke lever to the "OPEN" position. See strap. See page 12. If the en
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Checking Unit Condition NEVER operate the unit with the cut- ALWAYS stop the engine immediately Do not make modifications to this unit with- ting attachment shield or other protective and check for damage if you strike a for- out written approval from Shindaiwa, Inc. devices removed! eign object or if the unit becomes tangled. ALWAYS make sure the cutting attach- Do not operate with broken or damaged ment is properly installed and firmly tight- equipment. WARNING! ened before operation. NE
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T U C T O N O D Using a Blade C242 Blade Thrust Engine Operating Speeds ‘Blade thrust’ is a sudden sideways or Operate the unit at full throttle while cut- WARNING! backward motion of the brushcutter. Such ting. Best fuel efficiency is obtained by n Before working with a blade- motion may occur when the blade jams or releasing the throttle when swinging back equipped unit, always inspect and catches on an object such as a sapling tree after a cut. clean the area of objects that could or
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General Maintenance IMPORTANT! NOTE: MAINTENANCE, REPLACEMENT OR Using non-standard replacement WARNING! REPAIR OF EMISSION CONTROL parts could invalidate your Shindaiwa DEVICES AND SYSTEMS MAY BE warranty. Before performing any maintenance, PERFORMED BY ANY REPAIR ESTAB- repair or cleaning work on the unit, Muffler LISHMENT OR INDIVIDUAL; HOWEVER, make sure the engine and cutting This unit must never be operated with WARRANTY REPAIRS MUST BE PER- attachment are completely stopped. a
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10/15-Hour Maintenance Every 10 to 15 hours Clean the of operation: spark plug and check the gap Remove and clean the spark plug. Adjust 0.024–0.028 inch at the electrode. the spark plug electrode gap to 0.024 - 0.028 (0.6–0.7 mm) inch (0.6 - 0.7 mm). If the spark plug must be replaced, use only an NGK BPMR6A or equivalent resistor type spark plug of the correct heat range. See Figure 27. CAUTION! Before removing the spark plug, clean XST021 the area around the plug to prevent Figure 27
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135-hour Maintenance Every 135 hours of operation, Engine remove and clean the muffler. Engine Cover Cover Screws WARNING! Muffler Never operate this trimmer Cover with a damaged or missing muffler or spark arrester! Operating with missing or damaged exhaust components is Muffler a fire hazard, and can also damage Cover Screw your hearing! Muffler Screws 1. Remove the spark plug boot. Muffler 2. With a 3 mm hex wrench remove the 1 muffler cover and 3 engine cover screws Gasket Screws a
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Long Term Storage CAUTION! Whenever the unit will not be used for n Remove the spark plug and pour about 30 days or longer, use the following 1/4 ounce of 2-cycle mixing oil into the Gasoline stored in the carburetor procedures to prepare it for storage: cylinder through the spark plug hole. for extended periods can cause hard Slowly pull the recoil starter 2 or 3 times starting and could also lead n Clean external parts thoroughly. so oil will evenly coat the interior of the to in
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Troubleshooting Guide ENGINE DOES NOT START What To Check Possible Cause Remedy Faulty recoil starter. Does the engine crank? NO Fluid in the crankcase. Consult with an authorized servicing dealer. Internal damage. YES Loose spark plug. Tighten and re-test. Good compression? NO Excess wear on cylinder, piston, rings. Consult with an authorized servicing dealer. YES Fuel incorrect, stale or contaminated; Refill with fresh, clean unleaded gasoline with Does the tank contain NO mixture inco
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Troubleshooting Guide (continued) ADDITIONAL PROBLEMS Symptom Possible Cause Remedy Clean the air filter. Clogged air filter. Poor acceleration. Clogged fuel filter. Replace the fuel filter. Lean fuel/air mixture. Consult with an authorized servicing dealer. -1 Idle speed set too low. Adjust: 3,000 ( 250) RPM (min ) Switch turned off. Reset the switch and and restart. Engine stops abruptly. Fuel tank empty. Refuel. See page 10. Clogged fuel filter. Replace fuel filter. Water in fuel. Drain;
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Emission System Warranty Statement Your Warranty Rights and Owners Warranty Obligations Responsibilities The California Air Resources Board, the U.S. Environmental As the small off-road engine owner, you are responsible for the Protection Agency and Shindaiwa Corporation are pleased to performance of the required maintenance listed in this owners explain the emission control system warranty on your new small manual. Shindaiwa Corporation recommends that you retain all off-road (non-road)
