Troy-Bilt TB70SS Operator's Manual
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Troy-Bilt TB70SS Operator's Manual

2-cycle gasoline trimmer
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v®
Operator's Manual
2-Cycle Gasoline
Trimmer
Model TB70SS
IMPORTANT:
READ SAFETY RULES AND INSTRUCTIONS
CAREFULLY
P/N 769-02173
(10/05)

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Summary of Contents for Troy-Bilt TB70SS

  • Page 1 v® Operator's Manual 2-Cycle Gasoline Trimmer Model TB70SS IMPORTANT: READ SAFETY RULES AND INSTRUCTIONS CAREFULLY P/N 769-02173 (10/05)
  • Page 2 THANK YOU TABLE OF CONTENTS Thank you for buying this quality product. This modern Service Information ......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 .....
  • Page 3 The purpose of safety symbols is to attract your I SYMBOL MEANING attention to possible dangers. The safety symbols, and their explanations, deserve your careful attention and understanding. The safety warnings do not by DANGER: Failure to obey a 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...

  • Page 4: While Operating

    • Always s toptheengine andallowittocoolbefore filling Keep hands, face, and feet at a distance from all thefueltank.Never r emove t hecapofthefueltank,or moving parts. Do not touch or try to stop the cutting addfuel,when theengine ishot.Never o perate theunit attachment when it is rotating. without t hefuelcapsecurely i nplace.
  • 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. MEANING SYMBOL MEANING SYMBOL • THROWN OBJECTS AND •...
  • Page 6 Blue Choke Lever APPLICATIONS Asa trimmer: • Cutting grassandlightweeds. Fuel Cap • Edging • Decorative t rimming around trees,fences, e tc. Muffler Otheroptional accessories maybeusedwiththe TB70SS. R efer t o Operating the EZ-Link System Starter Rope for a list of add-ons. Grip Spark Plug Shaft Grip...
  • Page 7 INSTALLING THE CUTTING ATTACHMENT SHIELD On some units, the D-handle may be pre-installed, requiring only loosening screws and some adjustment. If Use the following instructions if the cutting attachment this is the case, go to step 4. 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

    WARNING: Operate this unit only in a well- ventilated outdoor Start/On ( I) area. Carbon monoxide exhaust fumes can be lethal in a confined area. WARNING: Avoid accidental starting. Make sure you are in the starting position when pulling the starter rope (Fig. 8). To avoid serious injury, the operator and unit must be Throttle in a stable position while starting.
  • Page 10 OPERATING THE EZ-LINK SYSTEM 2. 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 will help installation (Fig. 9). Cultivator ........

  • Page 11: Holding The Trimmer

    HOLDING THE TRIMMER NOTE: Do not rest the Bump Head on the ground while the unit is running. WARNING: A, ways wear eye, Some line breakage will occur from: hearing, foot and • Entanglement with foreign matter body protection to reduce the risk of injury when operating this unit.

  • Page 12: 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 13 Insert the end of the line into the open hole in the For Use with Single For Use with SplitLine Line ONLY or Single Line inner reel and pull the line tight to make the loop as small as possible (Fig. 21). 10.

  • Page 14: Installinga Prewound Reel

    INSTALLING A PREWOUND REEL Cleaning the Air Filter Clean and re-oil the air filter every 10 hours of operation. Hold the outer spool with one hand and unscrew the It is an important item to maintain. Failure to maintain bump knob counterclockwise (Fig.

  • Page 15: Spark Arrestor

    CARBURETOR ADJUSTMENT SPARK ARRESTOR MAINTENANCE The idle speed of the engine is adjustable through the air Remove air filter/muffler cover. Refer to Removing filter/muffler cover (Fig. 30). the Air Filter/Muffler Cover. NOTE: Careless adjustments can seriously damage your Locate the muffler, but do not remove it. Find the unit.
  • Page 16 TRANSPORTING Release the throttle trigger and let the engine idle. If the engine stops, insert a small phillips or flat blade • Allow the engine to cool before transporting. screwdriver into the hole in the air filter/muffler cover (Fig. 30). Turn the idle speed screw in, clockwise, 1/8 of a •...
  • Page 17 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 18 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 - 3,600 rpm Operating RPM ..............................7,200+ rpm Ignition Type ................................Electronic Ignition Switch .............................. Rocker Switch Spark Plug Gap ............................
  • Page 19 Troy-Bilt recommends that you retain all receipts covering maintenance on your small off-road engine, but Troy-Bilt cannot deny warranty solely for the lack of receipts or for your failure to ensure the performance of all scheduled maintenance.
  • Page 20 (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.
  • Page 21 ENGINE PARTS - TB70SS 2-CYCLE GAS TRIMMER - ENGINE Item Part No. Description Item Part No. Description 753-04511 Air Cleaner Cover Assembly (includes 2 & 37) 753-04402 Starter Housing Assembly 791-180350B Air Cleaner Filter (includes 25-32, 34 & 39) 791-180351 Carburetor Mounting Screw Assembly 791-181862 Housing Screw...
  • Page 22 BOOM AND TRIMMER PARTS - TB70SS 2 CYCLE TRIMMER ® Item Pa_ No. Description 753-04234 Throttle Housing Assembly (includes 2-4) 753-04119 Throttle Trigger 791-182690 Throttle Trigger Spring 791-182405 Switch 753-04405 Throttle Cable Assembly 753-04344 Upper Drive Shaft Housing Assembly 791-180869 Deluxe D-Handle Assembly (includes 8-10) 791-181070 Screw...

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