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TROY:BILT °

4-Cycle

Gasoline Trimmer

Model TB475SS

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. AUU.S. Forest Land and the state of Ca_itornia

(Public Resources Codes 4442 and 4443}, Oregon and Washington require, by law that certain internal combustion engines operated on forest brush

and/or grass-covered areas be equipped with a spark arresto[, maintained in effective working order, or the engine be constructed, equipped and

maintained for the prevention of fire. Check with your state or IocaI authorities for regulations pertaining to these requirements. Failure to follow these

requirements could subject you to liability or a fine. This unit is factory equipped with a spark arrestor, tf it requires replacement, Accessory Part 791-

180890 Spark Arrestor Screen is available by contacting the service department at Troy-Bilt LLC, P.O. Box 361131 Cleveland, Ohio 44136-0019.

TROY-BILT LLC, P.O. BOX 361131, CLEVELAND, OH 44136-0019

PIN 792-10827 (11/01 rev. P00)

PRINTED IN USA

Summary of content (32 pages)

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TROY:BILT ° 4-Cycle Gasoline Trimmer Model TB475SS 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. AU U.S.
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Content Page CallingCustomerSupport Rules for Safe Operation ................................................. 2 ............................................... 3 Know Your Unit ........................................................... 7 Assembly Instructions ................................................ Oil and Fuel Information ........................................... 8 9 Starting/Stopping 11 Instructions .............................................. Operating Instructions .........
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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 IA WARNING: Failure to obey a safety warning can result in injury to yourself and others.
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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.
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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. symbols or pictographs.
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SYMBOL MEANING • THROWN OBJECTS AND ROTATING CUTTER CAN CAUSE WARNING: Do not operate without the cutting attachment Keep away from the rotating cutting attachment. • ON/OFF SEVERE INJURY shield in place. STOP CONTROL ON / START / RUN • ON/OFF STOP CONTROL OFF OR STOP ° HOT SURFACE WARNING Do not touch a hot muffler or cylinder. You may get burned. These parts get extremely from operation. When turned off they remain hot for a short time.
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Spark Arrestor APPLICATIONS As a trimmer: Cutting grass and light weeds. Edging. Muffler Guard Decorative trimming around trees, fences, etc. Other optional accessories may be used with the TB475SS. See list of add-ons on page 12. Fuel Cap Starter Rope Grip Shaft Grip On/Off Stop Control Throttle Control Shoulder Str_ D-Handle Choke Lever Air Filter Cover \ Spark Plug _PrPrimer Bulb \ Shaft Housing Cutting Attachment Shield Y Cutting Attachment Line Cuttinq Oil Fill Plug / Dipstick 7
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ShaftGrip (4) Screws_ Shaft _b.! Housing I I On/Off Stop Control 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.
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DANGER: OVERFILLING OIL CRANKCASE MAY CAUSE SERIOUS PERSONAL INJURY! The importance of checking and maintaining the proper oil level in the crank case cannot be overemphasized. Check oil before each use and change as needed. See Changing the Oil. RECOMMENDED 2. Place the unit on a flat level surface. 3. Remove the oil plug / dipstick from the crankcase (Fig. 4). OIL TYPE Using the proper type and weight of oil in the _crankcase is extremely important.
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RECOMMENDED FUEL TYPE FUELING Old fuel is the primary reason for the unit not running properly. Be sure to use fresh, clean, and its vapors can explode if ignited. To avoid serious personal injury, always stop the engine and allow it to cool before filling the fuel tank. Do not smoke while filling the tank. ARNING: Gasoline is extremely flammable Keep sparks and open flames away from the area. unleaded Gasoline. NOTE: This is a four cycle engine.
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STARTING INSTRUCTIONS Cold Start - First Start of the Day or Engine Ran Out of Fuel I,_ ,_ ventilated area outdoors. Carbon monoxide WARNING: Operate this unit only in a well exhaust fumes can be lethal in a confined area, the starting position whenever pulling the starting rope. To avoid serious personal injury, the operator and unit must be inBe a in ARNING: Avoid accidental starting. stable position while starting. 1. Check oil level in crankcase. See Checking the Oil Level. 2.
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/ OPERATING THE EZ-LINK TM SYSTEM 2. The EZ-Link rM system enables the use of these optional add-ons. Blower/Vacuum .......................... BV720r Cultivator GC720r .............................. Edger .................................. NOTE: Hedge Trimmer .......................... Snow Thrower ........................... HS720r ST720r Straight Shaft Trimmer SS725r Sweeper/Blower ......................... Tree Pruner ............................. SB720r TP720r Turbo Blower ...........
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L 1 HOLDING I_b THE TRIMMER and body protection to reduce the risk of ARNING: injury when Always operatingwear this eye, unit. hearing, foot Before operating the unit, stand in the operating position (Fig. 13). 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. Each time the head is bumped, about 1 inch (25.4 mm.) of trimming line is released.
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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. 15). is at \ \ Fig. 15 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 SCHEDULE WARNING: To prevent serious injury, never do maintenance or repairs with unit running.
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LINE INSTALLATION ndex ng Teeth This section covers both Membrane line and standard single line installation. Always use manufacturer's 0.095 inch (2.41 mm) replacement line. Using line other than specified may make the engine overheat or fail. I,_ wire, chain, or rope, etc. These can break off and ARNING: become Never dangerous use metal-reinforced projectiles. line, Bump Knob / NOTE: Membrane line can only be used with the inner reel with the slotted holes.
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7. Windthelinesintightevenlayers,ontothereel (Fig.21).Windthelineinthe directionindicatedon theinnerreel.Placeyourindexfingerbetweenthe two linesto stopthelinesfromoverlapping. Donot overlaptheendsofthe line.Proceedto step11. Holding Slots Fig. 23 Fig. 21 Membrane 8. 9. Line Installation Take approximately 10 feet (3 m) of new trimming line. Insert one end of the line through one of the two holes in the inner reel (Fig. 21). Pull the line through the inner reel until only about 4 inches is left out.
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CHECKING THE OIL LEVEL CHANGING CAUTION: To prevent extensive engine wear and damage to the unit, always maintain the proper oil level in the crankcase. Never operate the unit with the oil level below the bottom of the dipstick. The importance of checking and maintaining the proper oil level in the crankcase cannot be overemphasized. Check oil before each use: 1. Stop engine and allow oil to drain into the crankcase. 2. Place the unit on a flat, level surface to get a proper oil level reading. 3.
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DANGER: OVERFILLING OIL CRANKCASE MAY CAUSE SERIOUS PERSONAL INJURY! The importance of checking and maintaining the proper oil level in the crank case cannot be overemphasized. Check oil before each use and change as needed. See Changing the Oil. Fig.
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AIR FILTER MAINTENANCE Cleaning the Air Filter [,_ always turn your trimmer off and allow it to cool before you clean serious or do any maintenance ARNING: TO avoid personal injury, 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. Open the air filter cover. Push the tab on the right side of the cover in, pull the air filter cover out and to the left (Fig. 30).
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CARBURETOR ADJUSTMENT The idle speed of the engine is adjustable. An idle adjustment screw is reached though a hole in the top of the engine cover (Fig. 35). j Idle Adjustment Screw J NOTE: Careless adjustments can seriously damage your unit. An authorized service dealer should make carburetor adjustments. Check Fuel Old fuel is usually the main reason for the unit not running properly. Drain and refill the tank with clean, fresh unleaded fuel prior to doing any adjustments.
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ROCKER ARM CLEARANCE 3. Remove the screw behind the engine cover (Fig. 38). This requires disassembly of the engine. If you feel unsure or unqualified to perform this, take the unit to an authorized service center. NOTE: Inspect the valve to rocker arm clearance with a feeler gauge after the first 10 hours of operation and then every 25 hours of operation thereafter. Screw • The engine must be cold when checking or adjusting the valve clearance.
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. Slide the feeler gauge between the rocker arm and the valve return spring. Measure the clearance between the valve stem and rocker arm (Fig. 40). Do both intake and exhaust valves. Rocker Arms Nuts 10. If the clearance is not within specification: a. Turn the adjusting nut using a 5/18 inch (8 mm) wrench or nut driver (Fig. 41). • To increase clearance, turn the adjusting nut counterclockwise. • To decrease clearance, turn the adjusting nut clockwise. b.
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REPLACING THE SPARK PLUG SPARK Use only Champion RDZ19H spark plug or equivalent. The correct air gap is 0.025 in. (0.655 mm.). Remove the plug after every 25 hours of operation and check its condition. 1. MAINTENANCE Remove the muffler cover. See Rocker Arm Clearance, Pg. 22. 2. With a flat blade screwdriver or Torx T-20 bit, remove the screw attaching the spark arrestor cover to the muffler (Fig. 43). Stop the engine and allow it to cool.
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CLEANING LONG TERM STORAGE If the unit will be stored for an extended time, ,_ always turn your trimmer off and allow it to WARNING: To avoid serious personal injury, cool before you clean or do any maintenance on it. Use a small brush to clean off the outside of the unit. Do not use strong detergents. Household cleaners that contain aromatic oils such as pine and lemon, and such as kerosene, can damage plastic housing or handle. Wipe off any moisture with a soft cloth. 1.
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CAUSE ACTION Ignition switch is OFF Turn switch to ON Empty fuel tank Fill fuel tank 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.
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ENGINE Engine Type ................................................................. Displacement ................................................................. Clutch Type ......................................................................... Operating RPM ................................................................. Idle Speed RPM ................................................................. Air-Cooled, 4-Cycle 1.6 cu. in. (26.
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ENGINE PARTS - MODEL TB475SS 4-CYCLE GAS TRIMMER (ppn - 41ADT47C063) Part Numbers (Serial Number 011 ......
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ENGINE PARTS - MODEL TB475SS 4-CYCLE GAS TRIMMER (ppn - 41ADT47C063) (Serial Number 011 ......... and ' greater) Item 1 2 3 4 5 Part NO.. 79%182338 79%182339 79%181025 79%182098 79%182099 Description Engine Cover Engine Cover Screws Valve Cover Screw Valve Cover Valve Cover Gasket Item 47 48 49 50 51 Part NO.
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BOOM AND TRIMMER (ppn - 41ADT47C063) PARTS - MODEL TB475SS 4-CYCLE GAS TRIMMER (Serial Number 011 ......... and greater) ® ®/ ®® @.@ @ Item 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 Optional Part No.
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MANUFACTURER'S LIMITED WARRANTY FOR: 0 TRO_ B!_Lr 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 LLC 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.