1. Introduction
This instruction manual provides essential information for the proper installation, operation, and maintenance of the Dorma 8062 Center Hung Top Pivot. Please read this manual thoroughly before beginning installation to ensure safe and correct usage. Retain this manual for future reference.
2. Product Overview
The Dorma 8062 is a center hung top pivot designed for door installations. It features a walking beam mechanism and includes a cover plate. This pivot is engineered to allow for lateral adjustment, which is crucial for ensuring the door is plumb during installation. It can accommodate various top door clearances, specifically 1/8 inch, 3/8 inch, or 3/4 inch. It is important to note that this product is not recommended for use with overhead stops or holders.
Figure 1: Dorma 8062 Center Hung Top Pivot. This image shows the Dorma 8062 Center Hung Top Pivot, a crucial component for door installation, featuring its robust metal construction and design for center-hung applications.
3. Components
The Dorma 8062 Center Hung Top Pivot package includes the following main components:
- Dorma 8062 Center Hung Top Pivot mechanism
- Cover plate
- Mounting hardware (screws, etc. - specific types may vary, refer to packaging)
4. Installation
Proper installation is critical for the functionality and longevity of the Dorma 8062 Center Hung Top Pivot. It is recommended that installation be performed by a qualified professional.
- Preparation: Ensure the door frame and door are prepared according to architectural specifications for a center-hung pivot system. Verify that the top door clearance is compatible (1/8", 3/8", or 3/4").
- Mounting the Pivot: Securely attach the Dorma 8062 pivot mechanism to the top of the door frame or header. Use appropriate fasteners for the substrate material.
- Attaching to Door: Install the corresponding component (typically a pivot block or shoe) into the top edge of the door.
- Door Placement: Carefully lift and position the door, engaging the door-mounted component with the pivot mechanism.
- Lateral Adjustment: Utilize the lateral adjustment feature of the pivot to ensure the door is perfectly plumb. This adjustment is crucial for correct door swing and alignment.
- Secure and Cover: Once the door is plumb and operating correctly, tighten all fasteners. Install the provided cover plate over the pivot mechanism for a finished appearance and protection.
Important: Do not use this pivot with overhead stops or holders, as this can damage the mechanism and void the warranty.
5. Operation
Once installed, the Dorma 8062 Center Hung Top Pivot allows the door to swing smoothly from its center axis. The pivot ensures stable and controlled movement. No specific user operation is required beyond the normal opening and closing of the door.
6. Maintenance
The Dorma 8062 Center Hung Top Pivot is designed for durability and requires minimal maintenance. However, periodic checks can help ensure its long-term performance:
- Cleaning: Keep the visible parts of the pivot and cover plate clean using a soft, damp cloth. Avoid abrasive cleaners.
- Inspection: Periodically inspect the pivot for any signs of wear, loose screws, or damage.
- Lubrication: If any squeaking or stiffness occurs, a small amount of silicone-based lubricant can be applied to moving parts, if accessible, without disassembling the unit. Consult a professional if unsure.
- Adjustment Check: If the door alignment changes over time, re-check the lateral adjustment.
7. Troubleshooting
If you encounter issues with your Dorma 8062 Center Hung Top Pivot, consider the following:
| Problem | Possible Cause | Solution |
|---|---|---|
| Door is not plumb/aligned | Incorrect lateral adjustment during installation or shifting over time. | Re-adjust the lateral adjustment mechanism on the pivot. |
| Door movement is stiff or noisy | Lack of lubrication, dirt accumulation, or minor damage. | Clean the pivot area. Apply a silicone-based lubricant if accessible. Inspect for damage. |
| Pivot cover plate is loose | Mounting screws are loose. | Tighten the screws securing the cover plate. |
If problems persist after attempting these solutions, contact a qualified door hardware technician or Dorma customer support.
8. Specifications
| Feature | Detail |
|---|---|
| Model Number | 8062 |
| Type | Center Hung Top Pivot |
| Material | Metal (Alloy Steel) |
| Accommodates Door Clearances | 1/8", 3/8", 3/4" |
| Included Components | Pivot mechanism, Cover |
| Finish Options (as per product description) | Oxidized Satin Oil Rubbed 613, Satin Chrome 626 |
| Brand | Dorma |
| Manufacturer | Dorma |
9. Warranty and Support
For warranty information and technical support regarding your Dorma 8062 Center Hung Top Pivot, please refer to the official Dorma website or contact Dorma customer service directly. Keep your purchase receipt as proof of purchase.
Dorma Contact Information: Please visit www.dormakaba.com for the most up-to-date contact details and support resources.