Introduction
This manual provides detailed instructions for the safe assembly, operation, and maintenance of the Hauck Alpha Tray and 5-Point Harness. This accessory set is specifically designed for use with the Hauck Alpha+ wooden highchair (sold separately). It allows your child to comfortably eat at their own table while ensuring their safety and security. The Alpha Tray features adjustable depth, a removable upper tray for easy cleaning, and elevated edges to prevent spills. The included 5-point harness provides additional security.

Image 1: The Hauck Alpha+ highchair shown with the Alpha Tray and 5-point harness correctly installed. Note that the highchair is sold separately.
Safety Information
Please read all safety warnings and instructions before assembling and using the Hauck Alpha Tray and 5-Point Harness. Failure to follow these instructions could result in serious injury.
- Always use the 5-point harness to secure your child in the highchair.
- Ensure the tray is securely attached to the highchair before placing your child in it.
- Never leave your child unattended in the highchair.
- Regularly check all components for wear, damage, or loose parts. Discontinue use if any damage is found.
- The middle bar of the tray prevents the child from slipping down. Ensure it is properly positioned.
- Keep children away from the product during assembly.
- This product is designed for use with the Hauck Alpha+ wooden highchair only. Do not attempt to attach it to other highchair models.
Setup and Assembly
The Alpha Tray and 5-Point Harness are designed for straightforward installation onto your Hauck Alpha+ highchair.
1. Attaching the 5-Point Harness
- Ensure your Hauck Alpha+ highchair is fully assembled and stable.
- Thread the shoulder straps of the 5-point harness through the designated slots in the highchair's backrest.
- Thread the waist straps and crotch strap through the appropriate openings on the highchair seat and the tray's base.
- Connect all straps to the central buckle. Adjust the strap lengths to ensure a snug and secure fit for your child.

Image 2: The individual components of the 5-point harness, showing the straps and central buckle.

Image 3: The base of the Alpha Tray with the 5-point harness correctly threaded through its slots.
2. Attaching the Alpha Tray
- Position the Alpha Tray onto the front bar of the Hauck Alpha+ highchair.
- Slide the tray onto the highchair until it clicks into place. Ensure both sides are securely engaged.
- The tray can be adjusted to three different depths. To adjust, press the release buttons (if present, or follow specific mechanism) on both sides of the tray and slide it to the desired position. Release the buttons to lock it.
- Place the removable upper tray onto the main tray base. It should fit snugly.

Image 4: The Hauck Alpha+ highchair, Alpha Tray, and 5-point harness shown separately, illustrating how they connect.

Image 5: The underside of the Alpha Tray base, showing the attachment mechanism.
Operating Instructions
Adjusting Tray Depth
The Alpha Tray can be adjusted to three different depths to accommodate your child's growth and provide optimal comfort.
- With your child out of the highchair, locate the adjustment mechanisms on both sides of the tray.
- Simultaneously press the release buttons (or levers) and slide the tray forward or backward to the desired depth.
- Ensure the tray locks securely into one of the three positions before use.

Image 6: A close-up view of the Alpha Tray, highlighting the adjustable depth feature.
Using the 5-Point Harness
The 5-point harness is essential for securing your child safely in the highchair.
- Place your child in the highchair.
- Bring the shoulder straps over your child's shoulders and the waist straps around their waist.
- Insert all five points (two shoulder, two waist, one crotch) into the central buckle until they click securely.
- Adjust the straps so they are snug against your child's body without being too tight. There should be no more than one finger's width between the strap and your child.
- To release, press the button on the central buckle.
Utilizing the Removable Upper Tray
The Alpha Tray includes a removable upper tray for convenience during meals and cleaning.
- The upper tray features elevated edges to help contain spills and a cup molding to keep drinks stable.
- To remove, simply lift the upper tray from the main tray base.
- After cleaning, align the upper tray with the main tray base and press down until it sits securely.

Image 7: A top-down view of the Alpha Tray, showing the removable upper tray with its elevated edges and cup holder.

Image 8: The Alpha Tray with a clear protective cover, demonstrating its functionality during use.
Maintenance and Cleaning
Regular cleaning and maintenance will prolong the life of your Alpha Tray and 5-Point Harness.
Tray Cleaning
- The removable upper tray can be easily detached for cleaning. Wash with warm soapy water or wipe with a damp cloth.
- The main tray base can be wiped clean with a damp cloth and mild detergent.
- Do not use abrasive cleaners or solvents, as these may damage the plastic.
- Ensure all parts are completely dry before reassembling.
Harness Cleaning
- The 5-point harness can be wiped clean with a damp cloth.
- For more thorough cleaning, the harness may need to be removed from the highchair. Refer to the highchair's manual for specific instructions on harness removal, as this may involve partial disassembly of the chair.
- Hand wash the harness straps with mild soap and water. Air dry completely before reattaching.
- Do not bleach, iron, or tumble dry the harness.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Tray does not attach securely. | Not aligned correctly; debris in mechanism; highchair not compatible. | Ensure the tray is properly aligned with the highchair's front bar. Check for any obstructions. Verify that you are using a Hauck Alpha+ highchair. |
| Harness straps are twisted or difficult to adjust. | Incorrect threading; straps caught. | Untwist straps and re-thread them correctly through all slots. Ensure no parts of the harness are caught in the highchair frame. |
| Removable upper tray does not sit flat. | Debris underneath; not aligned. | Check for food particles or other debris between the upper tray and the main tray base. Realign and press down firmly. |
Specifications
- Model Number: 661867
- Product Dimensions: 18 x 22.2 x 8.9 inches (Tray)
- Item Weight: 5.1 pounds (Tray and Harness)
- Material Type: Plastic (Tray), Fabric (Harness)
- Color: White (Tray and Harness)
- Compatibility: Hauck Alpha+ Wooden Highchair
- Features: 3-position depth adjustable tray, removable upper tray, cup molding, elevated edge, 5-point safety harness.
Warranty Information
Hauck products are manufactured to high-quality standards. For specific warranty details regarding your Alpha Tray and 5-Point Harness, please refer to the warranty card included with your original purchase or visit the official Hauck website. Keep your proof of purchase for any warranty claims.
Support and Contact
If you have any questions, require assistance with assembly, or need to report a missing or damaged part, please contact Hauck customer support.
- Website: www.hauck.de/en/ (Please check the official website for regional contact information)
- Email: Refer to the website for contact forms or email addresses.
- Phone: Refer to the website for regional phone numbers.
When contacting support, please have your product model number (661867) and purchase information readily available.





