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SHINDAIWA OWNER’S/OPERATOR’S MANUAL
C3410 BRUSHCUTTER
C3410
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 81714 Rev 2/07
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Introduction Attention Statements Safety Instructions The Shindaiwa 3410 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 Shindaiwa
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Safety Instructions The Properly Equipped Operator WARNING! Wear hearing protection Use Good Judgment devices and a broad-brimmed ALWAYS wear eye protection to shield Wear close-fitting clothing to hat or helmet. protect legs and arms. Gloves against thrown objects. offer added protection and are Always wear eye protection such NEVER run the engine when strongly recommended. Do not as goggles or safety glasses. transporting the unit. wear clothing or jewelry that could get caught
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Be Aware of the Working Environment Avoid long-term Make sure bystanders or observers outside the 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 about 16 paces—of an caution to avoid contacting such items operating attachment. with the cutting
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Product Description C3410 BRUSHCUTTER Spark Plug Ignition Throttle Switch Interlock Muffler Throttle Trigger Hanger Fuel Tank Outer Tube Using the accompanying illustrations as Handle Bar a guide, familiarize yourself with this unit Gear Case and its various components. See Figure 4. Understanding your unit helps ensure top performance, long service life, and safer Cutting operation. Attachment Shield WARNING! Do not make unauthorized modifications or alterations to any of these units o
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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 Shield with Line Figure 9A Figure 9 Install the Cutting Attachment Shield Cutting Attachment Shield C3410. WARNING! 1. Insert the cutting attachment shield NEVER operate the unit without the between the outer tube and the cutting cutting attachment shield installed
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Assembly (continued) Handle Bar C3410 Install the handlebar: Handle Positioning Label 1. Use the 4 mm hex wrench to remove POSITION HANDLE the lower cap retaining screws from FORWARD OF THIS LINE the handlebar bracket. Remove the cap Handlebar bracket from the bracket, and note the position Bands of the two " long spacers to be installed between the bracket halves. See Figure 5. . Position the handle on the outer tube forward of Handle Positioning Label Spacer as shown in Figure 5. Reas
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Installing a Trimmer Head NOTE: Hand-tighten Trimmer Head (counter-clockwise to install) The C3410 is shipped with Holder A, the Shaft Bolt blade retainer (safety clip), Holder B, shaft (not used) bolt, and bolt guard installed. The shaft bolt is Gear Case a LEFT-HAND thread. Remove it by turning Shaft CLOCKWISE! Bolt Guard (not used) 1. With the gear case output shaft facing up, rotate the gearshaft and holder A Holder B until the hole in holder A aligns with the matching hole in th
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Installing a Blade Slide the safety clip off-center Turn the C3410 upside down so the gear Shaft Bolt case output shaft is facing UP and remove the shaft bolt, bolt guard and Bolt Guard holder B from the gear case shaft. 1. Align the hole in blade holder A with the Holder B Output matching hole in the gear case flange Shaft and then temporarily lock the output Output Shaft Safety shaft by inserting a hex wrench Clip Safety Clip through both holes. See Figure 1. Holder A . Slide
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Mixing Fuel CAUTION! Examples of 50:1 mixing quantities CAUTION! n 1 gallon of gasoline to .6 oz. mixing oil This engine is designed to operate on Some types of gasoline contain alcohol a 50:1 mixture consisting of unleaded n 5 liters of gasoline to 100 ml. mixing oil as an oxygenate. Oxygenated gaso- 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- non-approved mixing oils can lead to
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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 or 3 minutes Never start the engine from the oper- The cutting attachment may rotate before operating the unit. ating position. when the engine is started! n After the engine is warm, pick 6. When the engine starts, slowly move the 7. Operating the throttle will up the unit and clip on the shoulder choke lever to the "OPEN" position. See automat
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Checking Unit Condition NEVER operate the unit with the cut- Do not make modifications to this unit with- ALWAYS stop the engine immediately and ting attachment shield or other protective out written approval from Shindaiwa, Inc. check for damage if you strike a foreign devices removed! object or if the unit becomes tangled. Do not ALWAYS make sure the cutting attachment operate with broken or damaged equipment. is properly installed and firmly tightened WARNING! before operation. NEVER a
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T U C T O N O D Using a Blade C3410 Blade Thrust Engine Operating Speeds WARNING! ‘Blade thrust’ is a sudden sideways or Operate the unit at full throttle while cut- 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 o
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General Maintenance NOTE: IMPORTANT! Using non-standard replacement parts could MAINTENANCE, REPLACEMENT OR RE- WARNING! invalidate your Shindaiwa warranty. PAIR OF EMISSION CONTROL DEVICES Before performing any maintenance, re- AND SYSTEMS MAY BE PERFORMED Muffler pair or cleaning work on the unit, make BY ANY REPAIR ESTABLISHMENT OR sure the engine and cutting attachment This unit must never be operated with a faulty INDIVIDUAL; HOWEVER, WARRANTY are completely stopped. Disconnect or
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10/15-Hour Maintenance Every 10 to 15 hours of operation: Remove and clean the spark plug. Adjust Clean the spark plug the spark plug electrode gap to 0.04 - 0.08 and check the gap at 0.024–0.028 inch the electrode. inch (0.6 - 0.7 mm). If the spark plug must (0.6–0.7 mm) be replaced, use only an NGK CMR5H or equivalent resistor type spark plug of the correct heat range. See Figure 9. NOTE: The NGK CMR5H also meets the require- ments for electro magnetic compliance (EMC). CAUTION! Fig
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139/150-Hour Maintenance NOTE: Maintenance after first 139-hours, n Replace the spark plug annually: Use The NGK CMR5H also meets the require- only NGK CMR5H or equivalent resis- then every 150-hours thereafter. ments for electro magnetic compliance (EMC). tor type spark plug of the correct heat n Combustion chamber should be decar- range. Set spark plug electrode gap to bonized, and the valve clearance should 0.04-0.08 inch (0.6 -0.7 mm). be adjusted. It is highly recommended that this i
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Long Term Storage Whenever the unit will not be used for CAUTION! n Remove the spark plug and pour about 30 days or longer, use the following 1/4 ounce of -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 or 3 times starting and could also lead to increased n Clean external parts thoroughly. so oil will evenly coat the interior of
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Troubleshooting Guide ENGINE DOES NOT START LOW POWER OUTPUT 18 18
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Troubleshooting Guide (continued) ADDITIONAL PROBLEMS ADDITIONAL PROBLEMS 19 19
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SHINDAIWA LIMITED WARRANTY STATEMENT FOR PRODUCT SOLD IN USA AND CANADA BEGINNING 01/01/2010 ECHO, INC'S RESPONSIBILITY ECHO Incorporated’s (ECHO, INC.) Limited Warranty, 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 purchase, ECHO, INC. agrees to repair or replace at it’s discretion, any defective product free of charge at any authorized Shindaiwa servicing dealer within listed b
