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Node Swap

What you need

  1. Node Swap, Loosen front tapcon: step 1, image 1 of 2 Node Swap, Loosen front tapcon: step 1, image 2 of 2

    • the standard concrete drilled node

    • If your node is clamped or pole mounted skip to step 3

    Edit

  2. Node Swap, loosen back tapcon and swivel node toward you: step 2, image 1 of 1

    • with the front tapcon removed you should be able to swing the node back toward the concrete surface it's mounted on

    • you'll likely need to loosen the back tapcon and pull up on the cantilever for the node to pivot freely

    Edit

  4. Node Swap, remove old node: step 3, image 1 of 2 Node Swap, remove old node: step 3, image 2 of 2

    • first, note if the pin is weight bearing. if so make sure to support the node while you remove the pin (or lock)

    • pull old node out

    Edit

  5. Node Swap, replace with new node and measure: step 4, image 1 of 1

    • after sliding a new node in and replacing the pin or lock, measure the distance from the bottom of the ultrasonic depth sensor cone to the top of the cantilever beam. you may find a spare piece of strut to help with this.

    • you should do this before reattaching the front tapcon or clamp

    Edit

  6. Node Swap: step 5, image 1 of 2 Node Swap: step 5, image 2 of 2

    • Using a (weighted) tape measure, measure and record the distance from the bottom of the depth sensor node to the bottom of the river.

    • The bottom of the depth sensor node is defined as the bottom of the sensor cone.

    Edit

    • if node is drilled into concrete swivel the cantilever back to its full extent and reattach the front tapcon

    • if the node is clamped, reclamp the node at its full extent

    • for a pole-mounted node, you should be able to swap without altering the structure at all

    Edit
Finish Line

Author

with 1 other contributor

Travis Dantzer

Member since: 05/06/21

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