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Troy-Bilt TB25ET Operator's Manual

2-cycle gasoline trimmer/edger
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Operator's Manual
2-Cycle Gasoline
Trimmer ledger
Model TB25
IMPORTANT:
READ SAFETY RULES AND INSTRUCTIONS
CAREFULLY
P/N 769-00551 (12/02)
PRINTED IN USA

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Summary of Contents for Troy-Bilt TB25ET

  • Page 1 Operator's Manual 2-Cycle Gasoline Trimmer ledger Model TB25 IMPORTANT: READ SAFETY RULES AND INSTRUCTIONS CAREFULLY P/N 769-00551 (12/02) PRINTED IN USA...
  • Page 2 Content Page Calling Customer Support ............ Rules for Safe Operation ............. <now Your Unit ............Assembly Instructions ..........Oil and Fuel Information ............Starting/Stopping Instructions ..........Operating Instruet=ons ............Maintenance and Repair Instructions ........Cleaning and Storage ............Accessories and Replacement Parts ........Troubleshooting Chart ............

  • Page 3: Before Operating

    SYMBOL MEANING 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 will result in serious injury to yourself or to DANGER: Failure to Obey a safety warning themselves eliminate any danger.

  • Page 4: While Operating

    WHILE OPERATING Use only Genuine Factory Parts rM replacement parts and accessories for this unit. These are available from • Never start or run the unit inside a closed room or your authorized service dealer. Use of any building. Breathing exhaust fumes can kill. Operate unauthorized parts or accessories could lead to this unit only in a well ventilated outdoor area.
  • Page 5 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 • THROWN OBJECTS AND ROTATING CUTTER CAN CAUSE SEVERE INJURY Indicates danger, warning, or...
  • Page 6 APPLICATIONS Other optional accessories may be used with the TB25ET. Refer to Operating the EZ-Link System for a list As a trimmer: of add-ons. • Cutting grass and light weeds. • Decorative trimming around trees, fences, etc. EZ-Start Lever Air Filter/Muffler With Edger Add-On: Cover •...
  • Page 7 Onsomeunits,theJ-handle maybe pre-installed. Inthis INSTALLING THE CUTTING SHIELD caseyoumustloosenscrews andadjust t he handle to fit Use the following instructions if the cutting attachment theoperator. G oto step5 if theJ-handle is pre-installed. shield on your unit is not installed or if you ever need to re-install it.
  • Page 8 OIL AND FUEL MIXING INSTRUCTIONS Thoroughly mix the proper ratio of 2-cycle engine oil with unleaded gasoline in a separate fuel can. Use a 40:1 Old and/or improperly mixed fuel are the main reasons fuel/oil ratio. Do not mix them directly in the engine fuel for the unit not running properly.

  • Page 9: Stopping Instructions

    outdoor area. Carbon monoxide exhaust fumes can be Start/On StoplOff (O) ARNING: Operate this unit Only in a well- ventilated I ethan a confined area. WARNING: Avoid accidental startin 9. Make sure you are in the starting position when pulhng the starter rope (Fig.
  • Page 10 OPERATING THE EZ-LINW M SYSTEM While firmly holding the add-on, push it straight into the EZ-Link coupler (Fig. 10). The EZ-Link system enables the use of these optional Add-Ons. NOTE: Aligning the release button with the guide recess Blower/Vacuum ......TBBV will help installation (Fig.

  • Page 11: Holding The Trimmer

    HOLDING THE TRIMMER Each time the head is bumped, about 1 inch (25.4 mm) of trimming line releases. A blade in the cutting WARNING: Always wear eye, hearing, foot attachment shield will cut the line to the proper length if and body protection to reduce the risk of I any excess line is released.
  • Page 12 DECORATIVE TRIMMING ADJUSTING EDGER CUTTING DEPTH Decorative trimming is accomplished by removing all Loosen the adjustment knob above the wheel vegetation around trees, posts, fences and more. (Fig 16). Rotate the whole unit so that the cutting attachment is at Slide the wheel to the desired position: a 30 °...

  • Page 13: Maintenance Schedule

    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 also be a part of any seasonal tune-up.
  • Page 14 Pull old line out of the line loading and line locking Repeat procedures 4-6 with the second piece of line. holes (Fig. 19 and 20). Hold the outer spool. Wind the inner reel Insert a piece of trimming line straight into one of the counterclockwise until approximately four (4) inches...

  • Page 15: Cleaning The Speedspool

    Pull the old inner reel with existing line from the outer Remove any existing line from the inner reel before spool. cleaning. Remove any debris or grass from the knob, spring, inner reel and foam seal. Wash the inner reel Insert the ends of the prewound inner reel line into with warm soapy water (Fig.

  • Page 16: Edger Blade Replacement

    EDGER BLADE REPLACEMENT |injury, always wear gloves while handling, T WARNING: To avoid serious personal _|removing or installing the blade. WARNING: The gear housing gets hot after long periods of use. To avoid serious personal injury, do not touch the housing t has cooed.

  • Page 17: Air Filter Maintenance

    AIR FILTER MAINTENANCE Removing the Air Filter/Muffler Cover WARNING: To avoid serious personal injuryl always turn your trimmer off and allow it to cool before you clean or service it, Remove the four (4) screws securing the air filter/muffler cover (Fig. 34). Use a flat blade or Air Filter T20 Torx bit screwdriver.

  • Page 18: Spark Arrestor

    SPARK ARRESTOR MAINTENANCE Remove the air filter/muffler cover. See Removing the Air Filter/Muffler Cover. Spark Exhaust Arrestor Gasket Locate the muffler front and the two (2) bolts securing it to the engine (Fig. 39). Remove the two (2) bolts using a flatblade screwdriver or 5/16-inch socket or nut driver.

  • Page 19: Carburetor Adjustment

    CARBURETOR ADJUSTMENT The idle speed of the engine is adjustable through the air filter/muffler cover (Fig. 41). NOTE: Careless adjustments can seriously damage your unit. An authorized service dealer should make carburetor adjustments. Check Fuel Mixture Old and/or improperly mixed fuel is usually the reason for improper unit performance, Drain and refill the tank Idle Speed Screw...
  • Page 20 REPLACING THE SPARK PLUG LONG TERM STORAGE If the unit will be stored for an extended time, use the Use a Champion RDJ7Y spark plug (or equivalent). The correct air gap is 0.020 inch (0.5 ram). Remove the following storage procedure: plug after every 25 hours of operation and check its Drain all fuel from the fuel tank into a container with condition.
  • Page 21 CAUSE ACTION Empty fuel tank Fill fuel tank with properly mixed fuel Primer bulb wasn't pressed enough Press primer bulb fully and slowly 10 times Engine is flooded Squeeze the trigger and pull the starter rope Old or improperly mixed fuel Drain gas tank and add fresh fuel mixture Fouled spark plug Replace or clean the spark plug...
  • Page 22 Engine Type ............................Air-Cooled, 2-Cycle Stroke ..............................1.25 in. (31.75 mm) Displacement ............................. 1.9 cu in. (31 cc) Clutch Type ................................. Centrifugal Idle Speed RPM ............................2,800 - 4,000 rpm Operating RPM ..............................7,200+ rpm Ignition Type ................................Electronic Ignition Switch .............................. Rocker Switch Spark Plug Gap ............................
  • Page 23 • Repair or replacement of warranted part will be performed at no charge to the owner at an Authorized Troy-Bilt Service Center. For the nearest location please contact Troy-Bilt at: 1-800-520-5520.
  • Page 24 ENGINE PARTS - MODEL TB25ET 2-CYCLE GAS TRIMMER - ENGINE PPN 41BDT2EC063 Item Part No. Description Item Part Description 753-1203 Starter Housing Assembly (includes 25-32 & 34) 753-1192 Air Cleaner/Muffler Cover Assembly 791-181862 (includes 2 & 40) Housing Screw 791-182368 Clutch Washer 79%180350B Air Cleaner Filter...
  • Page 25 BOOM AND TRIMMER PARTS - MODEL TB25ET 2 CYCLE TRIMMER - BOOM PPN - 41BDT2EC063 Item Part No. Description 753-04118 Throttle Housing and Trigger Assembly (includes 2, 3 & 44) 753*04119 Throttle Trigger 791-182690 Throttle Trigger Spring 791-182405 Switch Assembly 753*04136 ThrotSe Cable 791-180687...
  • Page 26 REPLACEMENT PARTS - MODEL TB25ET 2 CYCLE GAS TRIMMER - ADD-ON PPN 41BDT2EC063 ® ® ® Item Part No. Description 753-04259 3oom Assembly 791-181570 Drive Shaft 79%182195 3oom Mounting Hardware 79%182519 Anti-Rotation Scre_ 753-1217 Guard Mounting 4ardware 791-182193 Gearbox Assembl_ 753-04260 3lade Guard 753-04262...
  • Page 27 (90) days from the date of original retail for related expenses, or for rental expenses purchase for any Troy-Bilt product that is used for rental or temporarily replace a warranted product. (Some states commercial purposes, or any other income-producing do not allow limitations on how long an implied warranty purpose.

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