Depth Sensor Node Bridge Mounted Replacement Procedure
Brooke Mason and 2 other contributors
Last updated on Dec 29, 2020
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Community-Contributed Guide
An awesome member of our community made this guide. It was not created by iFixit staff.
What you need
Parts
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×41/2" Hex Nut
Two nuts for each, the top and bottom, small strut channels connecting the node to the long strut channel
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×41/2" Hex Head Screw
Two screws for each, the top and bottom, small strut channels connecting the node to the long strut channel
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×43/4" Hex Nut
Two nuts for each of the two U-brackets
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×8316 Stainless Steel Washer Available for sale on McMaster-Carr
One for each of the four U-bracket mounts and one for each of the four small strut channel mounts
Tools
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Tape MeasureAffiliate linkAvailable for sale on Amazon
Bringing a weight and means to attach it the tape measure can be useful for the sensor to river bed measurement
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Using an adjustable or socket wrench, remove the four 3/4" nuts and washers from the U-brackets attaching the long strut channel to the bridge.
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Note: You do not have to remove the two 3/4" hex head screws and washers attaching the U-brackets to the long strut channel.
Ask FixBot
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These are the two small strut channels attaching the node to the long strut channel.
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Using a 1/2" adjustable or socket wrench, remove the four 1/2" hex head screws attaching the old node to the small strut channels.
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Be sure to remove the nuts and washers on the inside of the small strut channels as well. (Total: Four 1/2" hex head screws, four 1/2" nuts, and four washers)
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Obtain a new depth sensor node and attach a padlock to the new depth sensor node.
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This step will use the same 1/2" hex head screws, 1/2" nuts, and washers from the removal of the old depth sensor node.
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Using a 1/2" adjustable or socket wrench, attach the new depth sensor node to the small strut channels with four 1/2" hex head screws, 1/2" nuts, and washers. Tighten and secure.
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This is what the bridge mount looks like before reattaching the long strut channel with the new depth sensor node.
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Line up and place the U-brackets, still attached to the long strut channel, onto the bridge mount.
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Using a 3/4" adjustable or socket wrench, secure the long strut channel and U-brackets to the bridge with the 3/4" nuts and washers. Tighten and secure.
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Using a (weighted) tape measure, measure and record the distance from the bottom of the depth sensor node to the bottom of the river.
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The bottom of the depth sensor node is defined as the bottom of the sensor cone.
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To reassemble your device, follow these instructions in reverse order.
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