Product Overview
The Prime-Line N 6791 is a plastic top guide assembly specifically designed for use with Acme mirrored panel doors. This component ensures the smooth and proper guidance of sliding mirror doors within their upper track system. The assembly features a stamped steel housing that securely snaps into a slot on the inside of the door frame, with a durable plastic top guide for reliable performance.
Key Features
- Compatible with Acme and various other mirrored wardrobe door manufacturers.
- Mounts to the top of mirrored wardrobe doors.
- Brackets feature a snap-in clip for secure assembly locking.
- Constructed with a stamped steel housing and a flat nylon top guide.
- Suitable for steel-framed mirror doors.

Image 1: The Prime-Line N 6791 Plastic Top Guide Sliding Mirror Door Assembly, showing its overall design and components.
Specifications
| Attribute | Value |
|---|---|
| Brand | PRIME-LINE |
| Model Number | N6791 |
| Material | Plastic (Guide), Stamped Steel (Housing) |
| Color | Mill |
| Mounting Type | Door Mount |
| Number of Pieces | 2 (per pack) |
| UPC | 049793067913 |

Image 2: Dimensional drawing of the Prime-Line N 6791 top guide, illustrating key measurements for fitment.
Installation Instructions
Tools Required
- Screwdriver (appropriate type for existing fasteners, if any)
- Pliers (optional, for removing old parts)
- Measuring tape (to verify dimensions if needed)
Step-by-Step Installation
- Prepare the Door: Carefully remove the sliding mirror door from its track. Lay the door flat on a clean, protected surface to prevent damage to the mirror.
- Remove Old Guide (if applicable): Locate the existing top guide assembly on the door frame. If present, remove any screws or clips securing it. Gently pry out the old guide from the slot.
- Inspect the Slot: Clean any debris or dust from the slot on the inside of the door frame where the new guide will be installed. Ensure the slot is clear and undamaged.
- Install New Top Guide: Align the stamped steel housing of the Prime-Line N 6791 top guide with the slot on the inside of the door frame. Press firmly until the snap-in clips engage and the assembly is securely seated. Ensure the plastic guide component is facing upwards, ready to engage with the upper track.
- Reinstall Door: Carefully lift the mirror door and place it back into the upper and lower tracks. Ensure the new top guide engages properly with the upper track, allowing the door to slide smoothly.
- Test Operation: Slide the door back and forth several times to confirm smooth movement and proper alignment. Adjust if necessary.
Operation
The Prime-Line N 6791 Plastic Top Guide is a passive component designed to guide your sliding mirror door along its upper track. Once installed correctly, it ensures the door remains aligned and slides smoothly without binding or derailing. No active operation is required from the user beyond normal use of the sliding door.
Maintenance
To ensure the longevity and optimal performance of your sliding mirror door assembly, consider the following maintenance tips:
- Regular Cleaning: Periodically clean the upper track and the plastic guide to remove dust, dirt, and debris that can impede smooth operation. Use a soft cloth and a mild cleaner.
- Inspection: Annually inspect the top guide for any signs of wear, cracks, or damage. If the plastic guide appears worn or broken, replacement may be necessary.
- Lubrication: While the plastic guide is designed for low friction, a light application of a silicone-based lubricant to the upper track can further enhance smooth sliding. Avoid oil-based lubricants as they can attract dirt.
Troubleshooting
| Issue | Possible Cause | Solution |
|---|---|---|
| Door binds or sticks | Debris in track, worn guide, misaligned door | Clean track, inspect/replace guide, check door alignment. |
| Door wobbles in track | Worn guide, incorrect guide size | Inspect guide for wear; ensure correct model N 6791 is installed. |
| Guide detaches from door | Improper installation, damaged snap-in clips | Re-install guide ensuring clips fully engage; replace if clips are damaged. |
Warranty and Support
Goods are warranted against manufacturing defects for 1 year. In no case is Prime-Line responsible for user-related damage or damage incurred during installation. Warranty is void if products are subjected to abnormal conditions, misapplication, or abuse.
For further assistance or to explore other Prime-Line products, please visit the official PRIME-LINE Store.
Product Video
Video 1: An official Prime-Line brand video, providing an overview of the company and its commitment to quality hardware solutions.