Installing the Cover Cradle II: A Step-by-Step Guide for Hot Tub Cover Lifters

Installing a hot tub cover lifter such as the Cover Cradle II is essential for simplifying spa maintenance and ensuring the safety of the cover. The Cover Cradle II is a second-generation system that employs a single pneumatic gas spring to reduce the physical effort required to open and close the spa cover. This article provides a detailed, step-by-step installation guide based on information from official manuals, technical documentation, and verified product compatibility lists. The instructions are designed for U.S. consumers and DIY users who are installing the system on spas made by Hot Spring, Limelight, and other compatible brands.

Overview of the Cover Cradle II System

The Cover Cradle II is an advanced cover lifting system intended for spas with plastic or metal frames, including models with removable or non-removable panels. It utilizes a pivot assembly, gas springs, and mounting brackets to provide smooth and controlled cover movement. The system is designed to be installed by a single technician, though it is recommended to read the full instructions before beginning.

Key features of the Cover Cradle II include:

• A single pneumatic gas spring for controlled cover movement
• Pivoting arms that attach to the cover and spa frame
• Mounting brackets for secure installation
• Compatibility with a wide range of spa models and years

The installation process involves multiple steps, including attaching the rear and side hinges, securing the crosslink assembly, and installing the gas spring. Each step must be followed carefully to ensure the system operates correctly and safely.

Installation Requirements and Tools

Before beginning the installation, ensure that you have the following tools and materials:

• Cordless drill
• Flat head screwdriver
• 7/16” socket with a #2 square drive bit
• Ratchet
• 1/8” drill bit
• Fine tip marker
• 1/2” wrench
• Safety glasses

The installation kit includes the following components:

• Right and left pivot assemblies
• Mounting brackets
• Screws (including #10 x 1” and #10 x 1½” square flat head screws)
• Gas springs
• Side arm assemblies

It is important to organize these components before beginning the installation to avoid confusion later.

Step-by-Step Installation Guide

Step 1: Prepare the Spa and Cover

Before beginning the installation, ensure that the spa is in a stable, dry location. Locate the cardboard template (H) included in the kit and place it on the ground beneath the side arm assembly (F). This template helps to guide the installation of the side arm and ensures proper alignment.

Carefully examine the spa cover to ensure it is aligned evenly with the outside edges of the spa bar top. This alignment is crucial for the smooth operation of the cover lifter.

Step 2: Attach the Rear Hinges

Begin by attaching the rear hinges (G) to the spa. Locate Bag #1, which contains some of the components needed to fasten the rear hinges. Using the 1/8” drill bit, drill through the top (marked) holes of the side hinge. Then, using the #10 x 1½” square flat head screws, secure the rear hinges in place.

For spas with non-removable panels, ensure that the hinges are aligned with the spa frame and that the mounting brackets are properly secured. For spas with removable panels, the mounting brackets must be secured to the frame using the appropriate fasteners.

Step 3: Attach the Crosslink Assembly

The crosslink assembly connects the rear hinges to the side arm assembly. Locate the mounting bracket (bottom part) and secure it to the rear hinges using the pan head screws provided in the kit. This step ensures that the side arm can pivot smoothly when the cover is opened or closed.

For spas with plastic or metal frames, the crosslink assembly must be aligned with the spa’s structural components to ensure stability and prevent movement during use.

Step 4: Secure the Side Arm Assemblies

The side arm assemblies are responsible for supporting the cover and guiding its movement. To attach the side arm assemblies, follow these steps:

1. Locate the Side Arm Assembly (F) and remove the single bolt attached to the side hinge.
2. Align the side arm with the mounting bracket and secure it using the appropriate fasteners.
3. For spas with removable panels, ensure that the side arm is aligned with the panel edges and that the mounting bracket is securely fastened.
4. For spas with non-removable panels, secure the side arm directly to the frame using the mounting bracket and the #10 x 1” square flat head screws.

Repeat this process for both the left and right side arm assemblies to ensure balanced support for the cover.

Step 5: Install the Gas Spring

The gas spring (C) is a critical component of the Cover Cradle II system, as it provides the mechanical force needed to lift and lower the cover. To install the gas spring:

1. Locate the gas spring and snap it onto the upper ball stud, which is attached to the pivot arm.
2. Ensure that the gas spring is aligned with the pivot arm and that it is securely fastened.
3. Test the motion of the cover to ensure that it moves smoothly and rotates to a gentle stop.

The gas spring should provide controlled movement of the cover when opening and closing. It is important to "ease" the cover into the open and closed positions to avoid slamming, which can damage the system and reduce its service life.

Step 6: Adjust the Gas Spring

After installing the gas spring, it may be necessary to adjust its tension to ensure smooth operation. The motion of the cover should be controlled and smooth, with a gentle stop at the fully open or closed position.

To adjust the gas spring:

1. Locate the adjustment mechanism on the gas spring.
2. Turn the adjustment knob or lever to increase or decrease the tension as needed.
3. Test the cover again to ensure that the motion is smooth and controlled.

It is important to avoid over-tightening the gas spring, as this can cause the cover to become too difficult to open or close.

Step 7: Final Installation and Testing

Once all components are installed, it is time to test the system. Carefully open and close the cover to ensure that it moves smoothly and that the gas spring provides the correct amount of assistance. If the cover does not move smoothly or if it stops abruptly, review the installation steps to ensure that all components are properly aligned and secured.

If the cover lifter does not function as expected, it may be necessary to recheck the installation of the pivot arms, mounting brackets, and gas spring. It is also recommended to contact the manufacturer or a certified technician for further assistance.

Compatibility and Model-Specific Notes

The Cover Cradle II is compatible with a wide range of spa models and years. The following compatibility table outlines the supported models and their respective years:

It is important to verify that your spa model and year are listed in the compatibility table before proceeding with the installation. If your spa is not listed, it may not be compatible with the Cover Cradle II system, and a different model of cover lifter may be required.

Additional Installation Tips

• Always wear safety glasses and use proper hand tools to avoid injury during installation.
• Ensure that the spa cover warning label is facing the front of the spa or the right side of the spa, depending on the cover configuration.
• If the cover lifter includes hand grips or towel racks, install them after the main components are in place. Adjust the position of the hand grips to a comfortable height.
• If the cover lifter includes electrical components, take care to avoid water contact and follow the manufacturer’s instructions carefully.

Conclusion

The Cover Cradle II is a reliable and efficient cover lifting system that simplifies the process of opening and closing a hot tub cover. By following the step-by-step installation guide provided in this article, users can ensure that the system is installed correctly and operates smoothly. The key to a successful installation is attention to detail, proper alignment of components, and careful adjustment of the gas spring.

For users who are unsure about any step in the installation process, it is recommended to consult the manufacturer’s technical documentation or contact a certified technician for assistance. With the right tools and a clear understanding of the installation requirements, most users should be able to install the Cover Cradle II system without difficulty.

Sources

1. Watkins Wellness Cover Cradle Installation Manual
2. Cover Cradle II Pivot Assembly Compatibility
3. How to Install a Spa Cover Lifter
4. Hot Spring CoverCradle II Cover Lifter
5. Spa Cover Lifter Installation Tips