TROKBILT Manual 2-Cycle Gasoline Trimmer Model TB75SS IMPORTANT: READ SAFETY RULES AND INSTRUCTIONS CAREFULLY NOTE: For users on U,S, Forest Land and in the states of California, Maine, Oregon and Washington, All U.
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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 MEANING _ DANGER: Failure to obey a safety warning will result in serious injury to yourself or to others.
WHILE OPERATING • Never start or run the unit inside a closed room or building. Breathing exhaust fumes can kill. Operate this unit only in a well ventilated area outdoors. • Wear safety glasses or goggles that are marked as meeting ANSI Z87.1-1989 standards, and ear/hearing protection when operating this unit. Wear a face or dust mask if the operation is dusty. Long sleeve shirts are recommended. • Wear heavy, long pants, boots and gloves.
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 Inc_iczttesdanger, wztrning, or cztution, Mzty be used in conjunction symbols or pictographs. WARNING - READ OPERATOR'S with other MANUAL Read the Operator's M_.mus.
SYMBOL MEANING THROWN OBJECTS AND ROTATING CUTTER CAN CAUSE WARNING: Do not operate without the cutting _chment Keep _way from the rotating cutting _tt_chment. ON/OFF SEVERE INJURY shield in pl_ce. STOP CONTROL ON / START / RUN • ON/OFF STOP CONTROL OFF OR STOP HOT SURFACE WARNING Do not touch a hot muffler or cylinder. You _ty get burnecl. These parts get extremely from operation. When turned off they remain hot for _ short tinge.
EZ-Start TM Lever ...... APPLICATIONS As a trimmer; Muffler Guard • Cutting grass and light weeds. • Edging • Decorative trimming around trees, fences, etc. Fuel Cap Other optional accessories may be used with the TB75SS. See list of add-ons on page 11.
ShaftGrip Shaft Housing 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. INSTALLING Remove the screws 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. 1). Place it a minimum of 6 inches (15.24 cm) from the end of the shaft grip. 3.
OIL AND FUEL MIXING INSTRUCTIONS Old and/or improperly mixed fuel are the main reasons for the unit not running properly. Be sure to use fresh, clean unleaded fuel. Follow the instructions carefully for the proper fuel/oil mixture. Definition of Blended Fuels Today's fuels are often a blend of gasoline and oxygenates such as ethanol, methanol, or MTBE (ether). Alcohol-blended fuel absorbs water.
STARTING INSTRUCTIONS On/Off Stop Control WARNING: Operate this unit only in a wellventilated are& outdoors. Carbon monoxide exhaust fumes can be lethal in a confined area. WARNING: Avoid accidental starting. Be in the starting position when pulling the starter rope (Fig. 9). The operator and unit must be in a stable position while starting to avoid serious personal injury. Avoid serious personal injury, ensure any Add-On being used is installed corrsc'dy and secure before starting unit. Primer Bulb 1.
OPERATING THE EZ-LINK TM 2. SYSTEM The EZ-Link _ system enables the use of these optional add-ons. Blower/Vacuum .......................... BV720r Cultivator GC720r .............................. Edger .................................. LE720r Hedge Trimmer .......................... Snow Thrower ........................... HS720r ST720r Straight Shaft Trimmer SS725r .................... Sweeper/Blower ......................... Tree Pruner .............................
HOLDING THE TRIMMER WARNING: Always wear eye, 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. 9). Check for the following: • The operator is wearing eye protection and proper clothing. • The right arm is slightly bent, and the hand is holding the shaft grip. • The left arm is straight, and the hand is holding the D-handle. Each time the head is bumped, about 1 inch (25.4 mm.
DECORATIVE TRIMMING Decorative trimming is accomplished by removing all vegetation around trees, posts, fences, etc. Rotate the whole unit so that the cutting attachment a 30" angle to the ground (Fig. 11). is at 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 WARNING; To prevent serious injury, never do maintenance or repairs with uni± running.
i Loop 4. Use a clean cloth to clean the the inner reel, spring, shaft, and inner surface of the outer spool. 5. Check the indexing teeth on the inner reel and outer spool for wear (Fig. 14). If necessary, remove burrs or replace the reel and spool. NOTE: Membrane line can only be used with the inner reel with the slotted holes. Single line can be used on either type of inner reel. Use Figure 15 to identify the inner reel you have.
13. Insert the ends of the line through the eyelets in the outer spool and place inner reel with spring inside the outer spool (Fig. 20). Push the inner reel and outer spool together. While holding the inner reel and outer spool, grasp the ends and pull firmly to release the line from the holding slots in the reel. NOTE: The spring must be assembled on the inner reel before reassembling the cutting attachment. 14. Hold the inner reel in place and install the bump knob by turning clockwise. Tighten securely.
AIR FILTER MAINTENANCE Removing the Air Filter/Muffler l_i Cleaning the Air Filter Cover _lw_ys turn your trimmer off and allow it to cool WARNING; To avoid sedous pero._3n_linjury, before you clean or do any maintenance on it. 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. Remove air filter/muffler cover. See Removing the Air Filter/Muffler Cover. 1.
Reinstalling the Air Filter/Muffler Cover 1. Place the air filter/muffler cover over the back of the carburetor and muffler. Align the screw holes. 2. Spark Arrestor Exhaust Gasket Insert the four (4) screws into the holes in the air filter/muffler cover (Fig. 21) and tighten. Do not over tighten. SPARK ARRESTOR MAINTENANCE 1. Remove air filter/muffler cover. See Removing the Air Filter/Muffler Cover. Locate muffler front and the two (2) bolts securing it to the engine. (Fig. 26).
CARBURETOR ADJUSTMENT The idle speed of the engine is adjustable through the Air filtedMuffler cover (Fig. 28). NOTE: Careless adjustments can seriously damage your unit. An authorized service dealer should make carburetor adjustments. J Check Fuel Mixture Old and/or improperly mixed fuel is usually the reason for the unit not running properly. Drain and refill the tank with fresh, properly mixed fuel prior to making any adjustments. Refer to Oil and Fuel Information Pg. 9.
REPLACING THE SPARK PLUG Use a Champion RDJ7Y spark plug (or equivalent). The correct air gap is 0.020 inch {0.5 ram}. Remove the plug after every 25 hours of operation and check its condition. 1, 2, 3. ,_ 4. Stop the engine and allow it to cool. Grasp the plug wire firmly and pull it from the spark plug. Clean around the spark plug. Remove the spark plug from the cylinder head by turning a 5/8 in. socket counterclocl_Ase. Replace cracked, fouled or dirty spark plug. Set the air gap at 0.020 in. (0.
CAUSE ACTION On/Off Stop Control is in OFF position Turn On/Off Stop Control to ON 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 the EZ-Start _"_Lever to the right on page 10 Old or improperly mixed fuel Drain gas tank / Add fresh fuel mixture Fouled spark plug Replace or clean the spark plug Plugged spark arrestor Clean or replace spark arrestor CAUSE ACTION
Engine Type ................................................................... Stroke ........................................................................ Displacement .................................................................... Clutch Type ........................................................................... Idle Speed RPM ................................................................. Operating RPM ................................................................. Ignition Type .......
EPA Emission Control Warranty Statement Your Warranty Rights and Obligations The Environmental Protection Agency and TROY-BILT LLO (TROY-BET) are pleased to explain the emiesion control system warranty on your 2002 and later small off-toed engine. New small off-toed engines must be designed, built and equipped to meet stringent anti-smog standards.
MANU FAG U RER!S LIMITED WAR The limited warranty set forth below is given by Troy-Bilt LLC with respect to new merchandise purchased and used in the United States, its possessions and territories. Troy-Bilt LLO 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.
