1. Product Overview
The LOCINOX LSKZ4040U2L is a robust sliding gate lock designed for integration with 40mm square gate tubes. Constructed from durable aluminum with an aluminum silver finish, this industrial-style lock provides secure key-operated unlocking. It is engineered for reliable performance in various gate applications.
Key Features:
- Designed for 40mm square gate profiles.
- Durable aluminum construction.
- Key-operated unlocking mechanism.
- Industrial-grade polished finish.
2. Safety Information
Please read and understand all instructions before installation and operation. Failure to follow these instructions may result in injury or damage to the product or property.
- Always wear appropriate personal protective equipment (PPE) during installation, including safety glasses and gloves.
- Ensure the gate structure is stable and properly supported before installing the lock.
- Keep children and pets away from the work area during installation.
- Do not attempt to modify the lock or its components. Use only original replacement parts if necessary.
3. Installation Guide
This section provides detailed steps for installing your LOCINOX LSKZ4040U2L sliding gate lock. Ensure you have all necessary tools and components before beginning.
3.1 Package Contents
Verify that all components are present:
- LOCINOX LSKZ4040U2L Sliding Gate Lock unit
- Lock cylinder with keys
- Mounting hardware (screws, bolts, spacers)
- Strike plate (keeper) - Note: The strike plate is a critical component for proper lock function and may be sold separately. Verify your purchase includes it or acquire it if needed.
3.2 Tools Required
- Drill
- Drill bits (appropriate sizes for mounting holes)
- Measuring tape or ruler
- Pencil or marker
- Wrenches or screwdrivers
3.3 Installation Steps
Follow these steps for secure installation:
- Prepare the Gate Post: Identify the desired mounting location on your 40mm square gate tube. Ensure the surface is clean and free of obstructions.
- Mark Drilling Points: Use the provided template (if available) or carefully measure and mark the drilling points for the lock body and the handle/cylinder. Refer to the dimension diagram for precise measurements.

Figure 1: Exploded view with key dimensions for drilling and assembly.
- Drill Holes: Drill the necessary holes for the lock mechanism, handle spindle, and cylinder. Ensure holes are straight and of the correct diameter as indicated in the diagram.

Figure 2: Components of the lock and their alignment for installation on a square gate tube.
- Assemble Lock Components: Insert the lock mechanism into the gate tube. Attach the handles and cylinder, securing them with the provided screws or bolts.
- Install Strike Plate (Keeper): Position the strike plate on the adjacent gate post or frame, ensuring it aligns perfectly with the lock's bolt when the gate is closed. Mark and drill holes for the strike plate, then secure it.

Figure 3: The lock unit and the strike plate, showing how they interact.

Figure 4: Front view of the lock and strike plate in a closed position on a gate.
- Test Operation: Close the gate and test the lock's functionality. Ensure the bolt extends smoothly into the strike plate and the key operates the lock correctly. Adjust the strike plate position if necessary for optimal alignment.

Figure 5: The Locinox LSKZ4040U2L lock installed on a gate.
4. Operating Instructions
The LOCINOX LSKZ4040U2L sliding gate lock is designed for straightforward operation.
- To Lock: Close the gate completely. Insert the key into the cylinder and turn it to extend the bolt into the strike plate. Remove the key.
- To Unlock: Insert the key into the cylinder and turn it to retract the bolt from the strike plate. The gate can now be opened.
The handle allows for manual operation of the latch (if applicable) or simply serves as a pull handle for the gate.
5. Maintenance
Regular maintenance ensures the longevity and smooth operation of your gate lock.
- Cleaning: Periodically clean the exterior of the lock with a soft, damp cloth. Avoid abrasive cleaners or solvents that could damage the finish.
- Lubrication: Apply a small amount of graphite powder or a silicone-based lubricant to the key cylinder and moving parts of the bolt mechanism annually, or as needed, to ensure smooth operation.
- Inspection: Regularly inspect the lock and strike plate for any signs of wear, damage, or loose fasteners. Tighten any loose screws or bolts.
- Alignment: Check that the lock bolt and strike plate remain properly aligned. Misalignment can cause excessive wear and difficulty in locking/unlocking.
6. Troubleshooting
If you encounter issues with your LOCINOX LSKZ4040U2L lock, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Lock bolt does not extend or retract smoothly. | Lack of lubrication, dirt in mechanism, bent key. | Lubricate the cylinder and bolt mechanism. Clean any visible debris. Try a different key if available. |
| Key is difficult to insert or turn. | Dirt in cylinder, worn key, cylinder malfunction. | Apply graphite powder to the key and insert it into the cylinder several times. Check if the key is bent or damaged. If issues persist, the cylinder may need replacement. |
| Gate does not lock securely. | Misaligned strike plate, worn bolt, gate sag. | Adjust the position of the strike plate for proper alignment. Inspect the bolt for wear. Check the gate hinges and structure for sagging and reinforce if necessary. |
| Missing components upon delivery (e.g., strike plate). | Packaging error, item sold separately. | Verify your order details. Contact the seller or manufacturer immediately to report missing parts or to inquire about purchasing the necessary components separately. |
7. Specifications
| Attribute | Detail |
|---|---|
| Brand | Locinox |
| Model Number | LSKZ4040U2LZILVVSZS |
| Product Dimensions (L x W x H) | 20 x 13 x 5 cm |
| Weight | 1 Kilogram |
| Material | Aluminium |
| Color | Aluminium Silver |
| Style | Industrial Lock |
| Finish | Polished |
| Special Feature | Key Unlock |
| Number of Pieces | 1 (main item) |
8. Warranty and Support
For warranty information or technical support, please contact your retailer or the manufacturer directly. Keep your proof of purchase for any warranty claims.
Manufacturer: Locinox
For further assistance, visit the official Locinox website or contact their customer service department.





