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    New LineWise TLL-500A Series 3 Triple Line Lifter for Subtransmission Applications Features Hydraulic Articulation, Extension and Retraction

  • Mar 04, 2021

    LineWise has introduced its TLL-500A Series 3 Triple Line Lifter for sub-transmission applications. Designed to support three phases of energized conductors between 34.5 kV and 72.5 kV, the product features all-new hydraulic articulation, allowing operators to easily rotate phases up to 90 degrees from horizontal to vertical orientation while servicing sub-transmission lines. It also includes hydraulic cylinders to extend and retract the outer phases.

    The TLL-500A Series 3 has been specifically designed to work with large digger derrick trucks, such as those provided by Terex, Elliott and Altec. It includes three lightweight polymer insulators that are rated for 34.5 kV or 72.5 kV to hold the phases. The product has a maximum load capacity of 475 pounds per phase for a total capacity of 1,425 pounds.

    Exclusive to the new Series 3, the phases can be hydraulically rotated from a horizontal to vertical orientation. The outside phases can also be extended to a maximum overall span of 16 feet or retracted to a minimum overall span of 7 feet, 10 inches. This feature allows the three phases to be positioned anywhere from 3 feet, 11 inches to 8 feet apart. Wear pads are installed within the assembly to maximize service life. A radio remote allows operators to control all hydraulic functions while working in a bucket.

    The hydraulic power unit comes standard with the Series 3. It features a 7.5-horsepower gasoline engine with electric start and provides 2,600 psi at 4 gpm. A convenient transportation skid with fork pockets comes standard for easily loading, transporting and storing the unit. The transportation skid also makes mounting the TLL-500A Series 3 to the digger derrick or boom truck crane much easier.

    Available add on options include fiberglass insulators and a crane adapter to allow crews to use this product with boom truck cranes.

    In addition to the TLL-500A Series 3, LineWise also offers a Series 1 and Series 2 to meet the needs and budgets of various operations. The Series 1 features manual pin adjustment of the insulator sliders in 3-inch increments. The Series 2 offers up to 30 inches of insulator travel via lead screw assembly, allowing linemen to extend and retract phases by using an impact driver.

    LineWise is a division of Diversified Products. The company designs, engineers and manufactures a full line of utility products, including line lifters, insulated work platforms, phase lifters, transmission temporary conductor supports and the Buddy Bushing transmission hardware reinforcement system. 

    www.line-wise.com

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