Original Series – Monitor: How to install the monitor retrofit kit (S3 Monitor to S4 or S4 Bluetooth Monitor)

If you have an older Series III rower equipped with the S3 Monitor, upgrading to an S4 or S4 Bluetooth Monitor will significantly improve your experience on the rower.

Installing the S4 Monitor or S4 Bluetooth Monitor is a relatively simple task to perform. Follow the steps below.

Diagram showing the side view of a rower with an arrow indicating the direction for monitor installation.

Step 1

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

Illustration of a WaterRower with labeled components, showing the arrangement of the handle and bungee for monitor installation.

Step 2

Stand the WaterRower upright and disconnect the bungee as shown.

Diagram showing the assembly components of a WaterRower, including labels for JCB, Tie Rod, and Barrel Nut.

Step 3

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

Diagram illustrating the installation of the new monitor on a WaterRower, showing various components such as the spigot tube, black washer, and positioning of the new monitor.

Step 4

Remove the Top Deck assembly as shown, being careful not to dislodge the Guide Pulleys. You may have to disconnect the Tacho pulley. Disconnect the Tacho motor plug.

Diagram showing installation components for a rowing machine monitor, including an arrow indicating direction, a spring, and an R-clip next to a monitor with buttons.

Step 5

Remove the old monitor Retaining Pin and remove the old monitor from the key bracket.

Illustration of the installation process for a monitor on a WaterRower, showing the orientation of components and alignment of parts.

Step 6

Remove the old monitor Tacho Pulley from the clutch.

Step 7

Remove the batteries and battery bracket.

Diagram illustrating the installation process of a new performance monitor on a rower, showing the position of the retaining pin and monitor with directional arrows.

Step 8

Position the S4 monitor assembly through the right key bracket as shown. Ensure that the spring and washer orientation is correct. Replace the R-clip retaining the monitor assembly as shown. Place the new Top Deck (top side down) on the top of the tank on the side opposite the monitor. Connect the sensor connector.

Diagram illustrating the assembly of the S4 monitor on a WaterRower, showing the placement of components and connections.

Step 9

Place the S4 monitor sensor disk onto the clutch. The internal boss fits around the internal boss of the clutch.

Illustration depicting the positioning of the Top Deck assembly on a WaterRower, indicating the connection points and orientation for assembly.

Step 10

Install the new top deck as shown.

Diagram showing the connection points for the JCB and Tie Rod on the WaterRower, with annotations explaining the cross dowel positioning.

Step 11

Replace the JCBs 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's handle mechanism showing the positioning of the handle, bungee, and pulley system.

Step 12

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 before Step 9 may be completed. Refer to the Recoil Buckle Replacement Instruction for details.

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