1. Introduction
This instruction manual provides essential information for the proper installation, operation, and maintenance of the Cruz 934-406 Support System. This product is designed to provide reliable support for Light Commercial Vehicles (LCV) including Jumper, Relay, Ducato, and Boxer models manufactured between 1994 and 2014. Please read this manual thoroughly before attempting installation or use to ensure safety and optimal performance.

Figure 1: The Cruz 934-406 Support System component. This image displays a single black support foot, featuring the Cruz brand logo and a keyhole for secure attachment.
2. Setup and Installation
The Cruz 934-406 Support System is designed for precise and easy installation. Its compact size facilitates straightforward mounting. While specific vehicle-dependent instructions may vary, the general procedure involves securing the support components to the designated mounting points on your vehicle.
- Preparation: Ensure the vehicle's mounting surfaces are clean and free from debris.
- Component Identification: Familiarize yourself with all components included in the package.
- Mounting: Attach the support feet to the vehicle's roof or designated attachment points according to the vehicle manufacturer's guidelines and any supplementary instructions provided with the product packaging.
- Securing: Tighten all fasteners securely, but do not overtighten. Refer to torque specifications if available.
- Verification: After installation, gently test the stability of the support system to ensure it is firmly attached.
For detailed, vehicle-specific installation steps, please consult the supplementary fitting instructions that accompany your product or visit the official Cruz website.
3. Operating Instructions
Once properly installed, the Cruz 934-406 Support System provides a stable base for various applications. This system is designed for intuitive use, allowing for easy attachment of compatible accessories such as roof bars or other load-carrying equipment.
- Load Capacity: Always adhere to the maximum load capacity specified for both the support system and your vehicle. Exceeding these limits can compromise safety and product integrity.
- Accessory Attachment: When attaching additional accessories, ensure they are compatible with the Cruz 934-406 system and are securely fastened according to their respective instruction manuals.
- Regular Checks: Periodically check all fasteners and connections to ensure they remain tight, especially after driving on rough terrain or after significant temperature changes.
4. Maintenance
To ensure the longevity and continued performance of your Cruz 934-406 Support System, regular maintenance is recommended.
- Cleaning: Clean the support system regularly with mild soap and water. Avoid abrasive cleaners or solvents that could damage the finish or material.
- Inspection: Routinely inspect the components for any signs of wear, damage, or corrosion. Pay close attention to mounting points and fasteners.
- Fastener Check: Re-tighten any loose bolts or screws as necessary.
- Storage: If removing the support system for extended periods, store it in a clean, dry place away from direct sunlight and extreme temperatures.
5. Troubleshooting
This section addresses common issues you might encounter with the Cruz 934-406 Support System.
| Problem | Possible Cause | Solution |
|---|---|---|
| Support system feels loose after installation. | Fasteners not sufficiently tightened. Incorrect installation. | Re-check all mounting bolts and ensure they are tightened according to instructions. Verify correct component placement. |
| Unusual noise during driving. | Loose components. Improperly secured accessories. | Inspect all parts of the support system and any attached accessories for looseness. Secure any rattling components. |
| Difficulty attaching accessories. | Incompatible accessories. Obstruction. | Ensure accessories are designed for use with the Cruz 934-406 system. Check for any physical obstructions. |
If you encounter issues not listed here or if problems persist, please contact Cruz customer support or your authorized dealer.
6. Specifications
| Feature | Detail |
|---|---|
| Brand | Cruz |
| Model Number | 934-406 |
| Compatibility | LCV Jumper/Relay/Ducato/Boxer (1994-2014) |
| Manufacturer | Cruz |
| Parcel Dimensions | 65 x 5 x 5 cm |
| Item Weight | 1 kg |
| ASIN | B085ZQ48TW |
7. Warranty and Support
Information regarding product warranty and customer support is typically provided with the product packaging or available on the manufacturer's official website. For specific warranty terms, registration, or technical assistance, please refer to the documentation included with your Cruz 934-406 Support System or visit the Cruz official website.
When contacting support, please have your product model number (934-406) and purchase details readily available.





