Résumé du contenu de la page N° 1
Owner/Operator
Manual
2-Cycle Trimmer
• Safety
• Assembly
• Operation
• Maintenance
Models
TB3000 – 25cc Straight Shaft
©2000 MTD SOUTHWEST INC FORM 182823 (12/00) (10209 rev. A)
Printed in U.S.A.
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Introduction THANK YOU Thank you for buying this quality product. This modern outdoor power tool will provide many hours of useful service. You will find it to be a great labor-saving device. This operator’s manual provides you with easy-to-understand oper- ating instructions. Read the whole manual and follow all the instructions to keep your new outdoor power tool in top operating condition. PRODUCT REFERENCES, ILLUSTRATIONS AND SPECIFICATIONS All information, illustrations and specifications
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Service Information SERVICE INFORMATION Service on this unit both within and after the warranty period should be performed only by an authorized and approved service dealer. Dial: • 1-800-345-8746 for authorized service dealers in the United States Or • 1-800-668-1238 in Canada to obtain the listing of the authorized service dealer nearest you. DO NOT RETURN THE UNIT TO THE RETAILER. NOTE: PROOF OF PURCHASE WILL BE REQUIRED FOR WARRANTY SERVICE. Make sure this manual is carefully read and un
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Section 1 Safety The purpose of safety symbols is to attract your attention to possible dangers. The safety symbols, and their explanations, deserve your careful attention Failure to obey a safety warning will result in and understanding. The safety warnings do not by serious injury to yourself or to others. Always themselves eliminate any danger. The instructions or follow the safety precautions to reduce the risk warnings they give are not substitutes for proper of fire, electric shock, an
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Safety (continued) • Always stop the engine and allow it to cool before • Always hold the unit with both hands when operat- filling the fuel tank. Never remove the cap of the fuel ing. Keep a firm grip on both the front and rear han- tank, or add fuel, when the engine is hot. Never dle or grips. operate the unit without the fuel cap securely in • Keep hands, face, and feet at a distance from all place. Loosen the fuel tank cap slowly to relieve any moving parts. Do not touch or try to stop the
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Safety (continued) SAFETY AND INTERNATIONAL SYMBOLS This operator's manual describes safety and international symbols and pictographs that may appear on this product. Read the operator's manual for complete safety, assembly, operating and maintenance and repair information. SYMBOL MEANING • SAFETY ALERT SYMBOL Indicates danger, warning, or caution. May be used in conjunction with other symbols or pictographs. • WARNING - READ OPERATOR'S MANUAL Read the Operator’s Manual(s) and follow all warni
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Safety (continued) SYMBOL MEANING • SHARP BLADE WARNING: Sharp blade on cutting attachment shield. To prevent serious injury, do not touch line cutting blade. • CHOKE CONTROL A • START position. B • RUN position. WARNING: The operation of any power tool can cause foreign objects to be thrown into your eyes. This can lead to severe eye damage. Before commencing power tool operation, always wear safety glasses or goggles that are marked as meeting ANSI Z87.1 standards, and a full face shield wh
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Section 2 Know Your Unit APPLICATIONS With the optional brushcutter accessory kit; As a trimmer; • Cutting weeds and light bush of up to 1/2 inch in • Cutting grass and light weeds. diameter. • Edging • Decorative trimming around trees, fences, etc. Spark Plug Starter Rope Grip Fuel Cap Shaft Grip Support Air Filter Cover Fitting Throttle Control On/Off Stop Control D-Handle Shaft Housing Choke Lever Primer Bulb Gear Housing Cutting Attachment Shield Line Cutting Blade Cutting Attachment 8
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Section 3 Assembly On some units, the D-handle may be preinstalled and Shaft Grip (4) Screws only require loosening the screws and adjusting the D-handle to the operator. Go to step 4 for adjusting the Shaft D-handle if preinstalled. Housing INSTALLING AND ADJUSTING THE D-HANDLE 1. Remove the screws, nuts and bottom clamp piece that were installed on the D-handle for shipping. 2. Place D-handle the over the shaft housing and onto the bottom clamp (Fig. 3-1). Place it a minimum of Minimum 6 inc
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Section 4 Oil and Fuel If unavailable, use a good 2-cycle oil designed for air-cooled engines along with a fuel additive, such as STA-BIL® Gas Stabilizer or an equivalent. Add 0.8 oz. (23 ml) of fuel additive per gallon of fuel according to the instructions on the container. NEVER add fuel addi- + tives directly to the unit's fuel tank. For proper engine operation and maximum relia- UNLEADED GAS TROY-BILT 2 CYCLE OIL bility, pay strict attention to the oil and fuel mix- ing instructions on the
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Section 5 Operation Avoid accidental starting. Be in the starting Start/ position whenever pulling the starting rope. To On (I) avoid serious personal injury, the operator and unit must be in a stable position while starting. STARTING INSTRUCTIONS Stop/ 1. Mix gas with oil. Fill fuel tank with fuel/oil mixture. Off (O) See Section 4, Oil and Fuel. On/Off Stop Control 2. Put the On/Off Stop Control in the START (I) Fig. 5-1 position (Fig. 5-1). 3. Fully press and release primer bulb slowly 5 to
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Operation (continued) NOTE: Always keep the trimming line fully extend- ed. Line release becomes more difficult as cutting line becomes shorter. Each time the head is bumped, about 1 inch (25.4 mm) of trimming line is released. A blade in the cutting attachment shield will cut the line to the proper length if excess line is released. For best results, tap the Bump Head on bare ground or hard soil. If line release is attempted in tall grass, the engine may stall. Always keep the trimming line fu
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Operation (continued) DECORATIVE TRIMMING Decorative trimming is accomplished by removing all vegetation around trees, posts, fences, etc. Rotate the whole unit so that the cutting attachment is at a 30° angle to the ground (Fig. 5-6). Fig. 5-6 Section 6 MAINTENANCE NOTE: Some maintenance procedures may require special tools or skills. If you are unsure about these procedures take your unit to an authorized service To prevent serious injury, never do maintenance dealer. or repairs with unit r
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Maintenance (continued) LINE INSTALLATION This section covers both Membrane line and standard single line installation. Always use manufacturer’s 0.095 inch (2.41 mm) replacement line. Line other than specified may make Outer Spool the engine overheat or fail. Spring Inner Reel Never use metal-reinforced line, wire, chain, or Bolt Bump Knob rope, etc. These can break off and become a dangerous projectile. Fig. 6-1 There are two methods to replace the trimming line. • Wind the inner reel with n
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Maintenance (continued) Membrane Line Installation 8. Take approximately 20 feet (6.1 m) of new trimming line. Insert one end of the line through one of the two holes in the inner reel (Fig. 6-6). Pull the line through the inner reel until only about 4 inches is left out. 9. Insert the end of the line into the open hole in the inner reel and pull the line tight to make the loop as small as possible (Fig. 6-6). Fig. 6-5 10. Before winding, split the line back about 6 inches. 11. Wind the line in
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Maintenance (continued) AIR FILTER MAINTENANCE Cleaning the Air Filter Carburetor/ Air Filter Cover To avoid serious personal injury, always turn your trimmer off and allow it to cool before you clean or do any maintenance on it. Tab Clean and re-oil the air filter every 10 hours of opera- tion. It is an important item to maintain. Not maintain- ing the air filter will VOID the warranty. Fig. 6-9 1. Remove the carburetor/air filter cover by pushing on the tab on top of the cover (Fig. 6-9). 2.
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Maintenance (continued) If after checking the fuel mixture and cleaning the air REPLACING THE SPARK PLUG filter the engine still will not idle, adjust the idle speed Use a Champion RCJ6Y spark plug (or equivalent). The screw as follows. correct air gap is 0.025 inch (0.655 mm). Remove the 1. Start the engine and let it run at a high idle for a plug after every 50 hours of operation and check its minute to warm up. condition. 2. Release the throttle trigger and let the engine idle. If 1. Stop
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Maintenance (continued) ACCESSORIES/REPLACEMENT PARTS LONG TERM STORAGE If the unit will be stored for an extended time, Spark Plug . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 181765 1. Drain all fuel from the gas tank into a container. Do Spark Arrestor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 182153 not use fuel that has been stored for more than 60 Replacement Line Cartridge . . . . . . . . . . . . . . . . 49U5001L063 days. Dispose of the old fuel
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Section 7 Troubleshooting ENGINE WILL NOT START CAUSE ACTION On/Off Stop Control is in STOP position Turn On/Off Stop Control to START Empty fuel tank Fill fuel tank with properly mixed fuel Primer bulb wasn't pressed enough Press primer bulb fully and slowly 5-7 times Engine flooded Use starting procedure with choke lever in the RUN position, Pg. 11 Old or improperly mixed fuel Drain gas tank / Add fresh fuel mixture Fouled spark plug Replace or clean the spark plug ENGINE WILL NOT IDLE CAUSE
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Section 8 Specifications ENGINE Engine Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Air-Cooled, 2-Cycle Displacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.4 cu. in. (25cc) Clutch Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
