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Operator’s Manual
TB425CS
&
TB475SS
4-Cycle Gas Trimmers
IMPORTANT: READ SAFETY RULES AND INSTRUCTIONS CAREFULLY
P/N 769-02485A (12/06)
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INTRODUCTION THANK YOU TABLE OF CONTENTS Thank you for buying this quality product. This modern Service Information . . . . . . . . . . . . . . . . . . . . . . . . .2 outdoor power tool will provide many hours of useful service. You will find it to be a great labor-saving device. Rules for Safe Operation . . . . . . . . . . . . . . . . . . . . .3 This operator’s manual provides you with easy-to- understand operating instructions. Read the whole Know Your Unit . . . . . . . . . . . . . . . . . .
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RULES FOR SAFE OPERATION The purpose of safety symbols is to attract your SYMBOL MEANING attention to possible dangers. The safety symbols, and their explanations, deserve your careful attention and understanding. The safety warnings do not by Failure to obey a DANGER: themselves eliminate any danger. The instructions or safety warning will warnings they give are not substitutes for proper result in serious injury to yourself or to accident prevention measures. others. Always follow the safety p
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RULES FOR SAFE OPERATION • Always stop the engine and allow it to cool before • Always hold the unit with both hands when operating. filling the fuel tank. Never remove the fuel tank cap or Keep a firm grip on both handles or grips. add fuel when the engine is hot. Never operate the unit • Keep hands, face, and feet at a distance from all without the fuel cap securely in place. Loosen the fuel moving parts. Do not touch or try to stop the cutting tank cap slowly to relieve any pressure in the ta
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RULES FOR SAFE OPERATION 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 SYMBOL MEANING • ON/OFF STOP CONTROL • SAFETY ALERT SYMBOL ON / START / RUN Indicates danger, warning, or caution. May be used in conjunction with other symbols or pictographs. • ON/OFF STOP CONTROL OFF
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KNOW YOUR UNIT Spark Arrestor APPLICATIONS Spark Plug As a trimmer: Muffler • Cutting grass and light weeds • Edging • Decorative trimming around trees, fences, etc. Other optional accessories may be used with your unit. Muffler Guard Refer to Operating the EZ-Link System for a list of add-ons. NOTE: The below illustration may differ slightly Fuel Cap from your unit. For example, the picture shows Starter Rope Grip a straight shaft. Your unit may have a curved shaft. Shaft Grip On/Off Stop Cont
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ASSEMBLY INSTRUCTIONS 2. While holding the three pieces together, install the four For TB475SS only: ADJUST THE D-HANDLE (4) screws through the top clamp and into middle clamp. The TB475SS uses a D-handle only, which is pre- installed on the unit. If you ever need to adjust it, make NOTE: The holes in the top and middle clamp will line up only when assembled correctly. sure it is at least 6 inches from the end of the shaft grip (Fig. 1). 3. Place the clamps and the J-handle over the shaft housin
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OIL AND FUEL INFORMATION 2. Place the unit on a flat level surface (Fig. 18). OVERFILLING OIL WARNING: 3. Remove the oil plug / dipstick from the crankcase CRANKCASE MAY (Fig. 17). CAUSE SERIOUS PERSONAL INJURY. Check and maintain the proper oil level in the crank case; it is important and cannot be overemphasized. Check the oil before each use and change it as needed. See Changing the Oil. RECOMMENDED OIL TYPE O-Ring Using the proper type and weight of oil in Oil Fill Plug/Dipstick the crankca
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Unleaded Gasoline OIL AND FUEL INFORMATION RECOMMENDED FUEL TYPE FUELING THE UNIT Old fuel is the primary reason for improper unit Gasoline is performance. Be sure to use fresh, clean, unleaded WARNING: extremely gasoline. flammable. Ignited Vapors may explode. NOTE: This is a four cycle engine. In order to avoid Always stop the engine and allow it to cool damage to the unit, do not mix oil with before filling the fuel tank. Do not smoke gasoline. while filling the tank. Keep sparks and open fla
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STARTING/STOPPING INSTRUCTIONS Stop/Off (O) Operate this unit only in a Start/On (I) WARNING: well- ventilated outdoor area. Carbon monoxide exhaust fumes can be lethal in a confined area. Avoid accidental starting. WARNING: Make sure you are in the starting position when pulling the starter rope (Fig. 22). To avoid serious injury, the operator and unit must be in a stable position while starting. Throttle Control Make sure that any Add-On item is installed correctly and secure before starting t
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OPERATING INSTRUCTIONS ™ 2. While firmly holding the add-on, push it straight into OPERATING THE EZ-LINK SYSTEM the EZ-Link™ coupler (Fig. 25). The EZ-Link™ system enables the use of these optional Add-Ons: NOTE: Aligning the release button with the guide recess will help installation (Fig. 24). Cultivator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . TBGC Edger . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . TBLE Release Button Hedge Trimmer . . . . . .
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OPERATING INSTRUCTIONS HOLDING THE TRIMMER Always wear eye, WARNING: hearing, foot and body protection to reduce the risk of injury when operating this unit. Before operating the unit, stand in the operating position (Fig. 27). Check for the following: Fig. 28 •The operator is wearing eye protection and proper clothing • With a slightly-bent right arm, the operator’s right hand Some line breakage will occur from: is holding the shaft grip • Entanglement with foreign matter • The operator’s left
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MAINTENANCE AND REPAIR INSTRUCTIONS MAINTENANCE SCHEDULE NOTE: Maintenance, replacement, or repair of the emission control devices and system may be Perform these required maintenance procedures at the performed by any non-road engine repair frequency stated in the table. These procedures should establishment, individual or authorized service dealer. also be a part of any seasonal tune-up. NOTE: Some maintenance procedures may require To prevent serious special tools or skills. If you are unsure
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MAINTENANCE AND REPAIR INSTRUCTIONS Trimming Line Eyelet Line Loading Hole Fig. 42 Fig. 45 5. Insert the line into the locking hole (Fig. 43). Do not 9. If winding the line becomes difficult or if the line push the line more than a 1/2 inch (12.7 mm) into the jams, pull the ends of the line from the spool line locking hole. The line will form a small loop (Fig. 46). Continue winding the inner reel (Fig. 43) when it is inserted correctly. counterclockwise until approximately 6 inches of line is l
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MAINTENANCE AND REPAIR INSTRUCTIONS Inner Reel Fig. 50 5. Clean the shaft and the inner surface of the outer spool. To clean the shaft underneath the plunger, Fig. 48 press down on the plunger (Fig. 51). Remove any dirt or debris from the shaft. 4. Hold the inner reel in place and install the bump knob, spring and foam seal (Fig. 47). Press down and turn the bump knob clockwise. Grasp the ends Shaft and pull firmly to release the line from the holding slots in the inner reel. Plunger Releasing t
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MAINTENANCE AND REPAIR INSTRUCTIONS CHECKING THE OIL LEVEL CHANGING THE OIL For a new engine, change the oil after the first 10 hours of operation. Change the oil while the engine is still warm. The To prevent extensive CAUTION: oil will flow freely and carry away more impurities. engine wear and damage to the unit, always maintain the 1. Unplug spark plug boot to prevent accidental starting. proper oil level in the crankcase. Never operate the unit with the oil level below the Wear gloves to bo
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MAINTENANCE AND REPAIR INSTRUCTIONS 5. Squeeze the filter to spread and remove excess oil AIR FILTER MAINTENANCE (Fig. 59). Cleaning the Air Filter Clean and re-oil the air filter every 10 hours of operation. It is an important item to maintain. Failure to maintain your air filter properly can result in poor performance or can cause permanent damage to your engine. To avoid serious WARNING: personal injury, always turn the unit off and allow it to cool before you clean or service it. 1. Open the
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MAINTENANCE AND REPAIR INSTRUCTIONS Clean Air Filter ROCKER ARM CLEARANCE The condition of the air filter is important to the operation This requires disassembly of the engine. If you feel of the unit. A dirty air filter will restrict air flow. This is unsure or unqualified to perform this, take the unit to an often mistaken for an out of adjustment carburetor. authorized service center. Check the condition of the air filter before adjusting the NOTE: Inspect the valve to rocker arm clearance wi
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MAINTENANCE AND REPAIR INSTRUCTIONS 3. Remove the screw behind the engine cover (Fig. 64). Adjusting Nuts Rocker Arms INTAKE Screw EXHAUST Feeler Gauge Fig. 64 4. Disconnect the spark plug wire. Fig. 66 5. Clean dirt from around the spark plug. Remove the spark plug from the cylinder head by turning a 5/8 in. Exhaust socket counterclockwise. Adjusting Nut 6. Remove the engine cover (Fig. 63). Exhaust Rocker Arm 7. Clean dirt from around the rocker arm cover. Remove the screw holding the rocker a
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MAINTENANCE AND REPAIR INSTRUCTIONS REPLACING THE SPARK PLUG CLEANING Use a replacement part number 180852 spark plug. The correct air gap is 0.025 in. (0.635 mm.). Remove the plug To avoid serious WARNING: after every 25 hours of operation and check its personal injury, condition. always turn your unit off and allow it to cool before you clean or service it. 1. Stop the engine and allow it to cool. Grasp the plug wire firmly and pull the cap from the spark plug. Use a small brush to clean off t
