1. Introduction
This instruction manual provides essential information for the proper installation, operation, and maintenance of your KOTARBAU Mortice Lock, model 05907465903172. This key lock is designed for various door types, including interior doors, garden gates, and garage doors. Please read this manual thoroughly before proceeding with installation or use to ensure safety and optimal performance.
2. Product Components
The KOTARBAU Mortice Lock package includes the following components:
- Mortice Lock body (72/55 mm)
- Counter plate
- Fixing screws
- Key(s)
Image 2.1: Overview of the KOTARBAU Mortice Lock and its included components. This image displays the main lock mechanism, the strike plate, a set of screws, and a key, all laid out on a surface.
3. Specifications
Refer to the following specifications for detailed product dimensions and material information:
| Feature | Detail |
|---|---|
| Model Number | 05907465903172 |
| Lock Spacing | 72 mm |
| Backset (Dormas) | 55 mm |
| Front Panel Width | 20 mm |
| Depth | 86 mm |
| Total Length | 235 mm |
| Front Plate Thickness | 3 mm |
| Version | BB (Buntbart) |
| Material | Alloy Steel |
| Color | Silver |
| Item Weight | 561 g (1.24 pounds) |
| Dimensions (L x W x H) | 9.25 x 3.35 x 0.79 inches |
| Lock Type | Key Lock |
| Recommended Use | Doors (residential, office, industrial) |
Image 3.1: Detailed technical drawing illustrating the dimensions of the mortice lock, including lock spacing, backset, and overall length, crucial for pre-installation measurements.
4. Safety Information
The KOTARBAU Mortice Lock is constructed from alloy steel to provide durability and resistance to external factors. Proper installation and maintenance contribute to the security of your door. Ensure all components are correctly fitted and secured to prevent unauthorized access.
5. Setup and Installation
Follow these steps for installing the KOTARBAU Mortice Lock:
- Prepare the Door: Ensure the door is properly mortised to accommodate the lock body. Refer to the dimensions provided in Section 3.
- Insert Lock Body: Slide the mortice lock body into the prepared recess in the door edge. Ensure it fits snugly and is aligned correctly.
- Secure Lock Body: Use the provided fixing screws to secure the lock body to the door edge. Tighten screws firmly but do not overtighten.
- Install Spindle and Handles (not included): Insert the door handle spindle through the square hole in the lock body. Attach your chosen door handles according to their specific instructions.
- Install Cylinder/Key Mechanism: Insert the key mechanism into the designated opening.
- Attach Counter Plate: Position the counter plate (strike plate) on the door frame, aligning it with the latch and deadbolt of the mortice lock. Mark and chisel out the recess for the plate if necessary.
- Secure Counter Plate: Fasten the counter plate to the door frame using the remaining screws.
- Test Operation: Close the door and test the latch and deadbolt functions with the key to ensure smooth operation and proper engagement.
Image 5.1: A person demonstrating the installation of a mortice lock into a pre-cut door recess, highlighting the alignment process before securing the unit.
6. Operation
To operate the KOTARBAU Mortice Lock:
- Opening the Door: Turn the door handle to retract the latch and open the door.
- Locking the Door: Insert the key into the keyhole and turn it to extend the deadbolt, securing the door.
- Unlocking the Door: Insert the key into the keyhole and turn it in the opposite direction to retract the deadbolt.
Image 6.1: The KOTARBAU Mortice Lock shown installed in a white door, complete with a door handle and a key inserted into the lock, demonstrating its functional appearance.
7. Maintenance
Regular maintenance ensures the longevity and smooth operation of your mortice lock:
- Cleaning: Wipe the visible parts of the lock with a soft, dry cloth. Avoid abrasive cleaners or solvents.
- Lubrication: Periodically apply a small amount of graphite-based lubricant to the keyhole and internal mechanisms to maintain smooth key rotation and bolt movement. Do not use oil-based lubricants as they can attract dust.
- Inspection: Regularly check all screws for tightness and ensure the lock body and strike plate are securely fastened.
8. Troubleshooting
If you encounter issues with your KOTARBAU Mortice Lock, consider the following:
- Key is Stiff or Hard to Turn: Apply graphite lubricant to the keyhole. Check if the key is bent or damaged.
- Latch or Deadbolt Not Engaging: Inspect the alignment of the strike plate on the door frame. Adjust if necessary. Ensure no debris is obstructing the bolt's path.
- Loose Components: Tighten any loose screws on the lock body or strike plate.
If problems persist after attempting these solutions, it is recommended to consult a professional locksmith.
9. Warranty and Support
For information regarding warranty coverage or technical support for your KOTARBAU Mortice Lock, please refer to the product packaging or contact KOTARBAU customer service directly. Keep your purchase receipt as proof of purchase.
