Original Series – Monitor: How to replace the sensor (S4 and S4 Bluetooth Monitors)

Replacement of the sensor of your Original Series rower’s S4 Monitor or S4 Bluetooth Monitor is a relatively simple task to perform.

As a guide, watch the video below:

Diagram showing the side view of a rower's monitor assembly with direction indicator for removal.

Step 1

Remove the handle from the handle rests and place the handle in the full forward position as shown.

Illustration of a WaterRower in an upright position, showing the handle, bungee, and other components involved in maintenance.

Step 2

Stand the WaterRower upright and disconnect the bungee as shown.

Diagram showing the location of the JCB screw and Tie Rod on a WaterRower assembly.

Step 3

Remove the Tie Rods and JCBs connecting the Top Deck to the Tank assembly as shown.

Illustration showing the WaterRower with the Top Deck positioned above the Tank assembly, indicating points for disconnection and removal.

Step 4

Remove the top deck assembly as shown, being careful not to dislodge the guide pulleys.

Diagrams showing the assembly of the sensor and wiring for the Original Series rower's S4 Monitor.

Step 5

Remove the Sensor as shown.

Diagram showing the position of the sensor and its connections in the WaterRower's monitor assembly.

Step 6

Replace the Sensor as shown.

Diagram showing the WaterRower assembly with an emphasis on the top deck and sensor placement.

Step 7

Before replacing the Top Deck, connect the Sensor Plug, then fit the Top Deck.

Diagram showing the placement of a JCB and Tie Rod in relation to a WaterRower assembly.

Step 8

Replace the JCB bolts and Tie Rods connecting the Top Deck to the Tank assembly as shown. Ensure that the Tie Rod cross dowel slots are aligned with the Tie Rod. You may utilize a screw driver to assist this.

Illustration of a WaterRower assembly showing components including the handle, bungee, and guide pulleys.

Step 9

Stand the WaterRower upright and connect the Recoil Belt to the bungee as shown.
Note: If the Recoil Belt buckle and D-ring have been removed it will be necessary to refit them. Refer to the Recoil Buckle Replacement Instruction on our service website for details.

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