Owner/Operator Manual 2-Cycle Trimmer • • • • Safety Assembly Operation Maintenance Models TB2000 – 22.5cc Curved Shaft ©2000 MTD SOUTHWEST INC FORM 182821 (1/01) (10201 rev. A) Printed in U.S.A.
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 operating instructions. Read the whole manual and follow all the instructions to keep your new outdoor power tool in top operating condition.
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.
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 and understanding. The safety warnings do not by themselves eliminate any danger. The instructions or warnings they give are not substitutes for proper accident prevention measures. SYMBOL Failure to obey a safety warning will result in serious injury to yourself or to others.
Safety (continued) • Always stop the engine and allow it to cool before filling the fuel tank. Never remove the cap of the fuel tank, or add fuel, when the engine is hot. Never operate the unit without the fuel cap securely in place. Loosen the fuel tank cap slowly to relieve any pressure in the tank. • Add fuel in a clean, well-ventilated area outdoors where there are no sparks or flames. Slowly remove the fuel cap only after stopping engine. Do not smoke while fueling or mixing fuel.
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.
Safety (continued) SYMBOL MEANING • ON/OFF STOP CONTROL ON / START / RUN • ON/OFF STOP CONTROL OFF OR STOP • HOT SURFACE WARNING Do not touch a hot muffler, gear housing or cylinder. You may get burned. These parts get extremely hot from operation. When turned off they remain hot for a short time. • 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.
Section 2 Know Your Unit APPLICATIONS As a trimmer; • Cutting grass and light weeds. • Edging • Decorative trimming around trees, fences, etc.
Section 3 Assembly Shaft Grip (4) Screws (4) Screws Shaft Housing Fig. 3-4 Minimum 6 inches (15.24 cm) On some units, the D-handle may be preinstalled and only require loosening the screws and adjusting the D-handle to the operator. Go to step 4 for adjusting the D-handle if preinstalled. D-Handle Bottom Clamp INSTALLING AND ADJUSTING THE D-HANDLE (4) Nuts 1. Remove the screws, nuts and bottom clamp piece that were installed on the D-handle for shipping. 2.
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 additives directly to the unit's fuel tank. + UNLEADED GAS 1 US. GALLON (3.8 LITERS) TROY-BILT 2 CYCLE OIL + 4.0 FL. OZ. (118 ml) MIXING RATIO - 32:1 Fig.
Section 5 Operation Start/ On (I) Avoid accidental starting. Be in the starting position whenever pulling the starting rope. To avoid serious personal injury, the operator and unit must be in a stable position while starting. STARTING INSTRUCTIONS Stop/ Off (O) On/Off Stop Control Fig. 5-1 Choke Lever Run (B) Start (A) Primer Bulb Fig. 5-2 Starter Rope Fig. 5-3 Throttle Control 1. Mix gas with oil. Fill fuel tank with fuel/oil mixture. See Section 4, Oil and Fuel. 2.
Operation (continued) Do not remove or alter the line cutting blade assembly. Excessive line length will make the clutch overheat. This may lead to serious personal injury or damage to the unit. Some line breakage will occur from: • Entanglement with foreign matter • Normal line fatigue • Attempting to cut thick, stalky weeds • Forcing the line into objects such as walls or fence posts TIPS FOR BEST TRIMMING RESULTS Fig.
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. 5-5). Fig. 5-5 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 dealer.
Maintenance (continued) LINE INSTALLATION This section covers both Membrane line and standard single line installation. Always use manufacturer’s 0.080 inch (2.03 mm) replacement line. Line other than specified may make the engine overheat or fail. Tab PRESS TABS TO REMOVE Fig. 6-1 There are two methods to replace the trimming line. • Wind the inner reel with new line • Install a prewound inner reel Outer Spool Inner Reel Bottom Cover Pawl Winding the Existing Inner Reel 1.
Maintenance (continued) Slotted Hole Fig. 6-4 12. Insert the ends of the line into the two holding slots (Fig. 6-6). Leave about 4 inches (102 mm) of line beyond the holding slots. 13. Insert the ends of the line through the eyelets in the outer spool and place inner reel inside the outer spool (Fig. 6-7). 14. While holding the inner reel and outer spool, grasp the ends and pull firmly to release the line from the holding slots in the inner reel. 15.
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 Fig. 6-9 Air Filter Fig. 6-10 Clean and re-oil the air filter every 10 hours of operation. It is an important item to maintain. Not maintaining the air filter will VOID the warranty. 1.
Maintenance (continued) If after checking the fuel mixture and cleaning the air filter the engine still will not idle, adjust the idle speed screw as follows. 1. Start the engine and let it run at a high idle for a minute to warm up. 2. Release the throttle trigger and let the engine idle. If the engine stops, insert a small phillips or flat blade screwdriver into the screw next to the air filter cover (Fig. 6-12).
Maintenance (continued) ACCESSORIES/REPLACEMENT PARTS LONG TERM STORAGE Spark Plug . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 181765 Spark Arrestor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 182153 Replacement Line Cartridge . . . . . . . . . . . . . . . . 49U0333L063 Fuel Cap . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 180000 Shoulder Harness . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Section 7 Troubleshooting ENGINE WILL NOT START CAUSE On/Off Stop Control is in STOP position Empty fuel tank Primer bulb wasn't pressed enough Engine flooded Old or improperly mixed fuel Fouled spark plug ACTION Turn On/Off Stop Control to START Fill fuel tank with properly mixed fuel Press primer bulb fully and slowly 5-7 times Use starting procedure with choke lever in the RUN position, Pg.
Section 8 Specifications ENGINE Engine Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Air-Cooled, 2-Cycle Displacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.37 cu. in. (22.5 cc) Clutch Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Notes 21
MANUFACTURER’S LIMITED WARRANTY FOR: The limited warranty set forth below is given by MTD SOUTHWEST INC (“MTD”) with respect with new merchandise purchased and used in the United States, its possessions and territories. MTD warrants this product against defects in material and workmanship for a period of two (2) years commencing on the date of original purchase and will, at its option, repair or replace, free of charge, any part found to be defective in material or workmanship.