1. Introduction
This manual provides comprehensive instructions for the installation, operation, and maintenance of the TACO ED-501-AL Grade 1 Rim Surface Exit Device. This device is designed for commercial applications, offering a durable and efficient solution for emergency exits.
The ED-501-AL is a Grade 1 certified product, ensuring high durability and reliability for demanding environments such as offices, factories, and storehouses. Its design allows for a closer integration with the door, minimizing obstruction.
2. Safety Information
Important: Read all instructions carefully before installation and use. Failure to follow these instructions may result in property damage or injury.
- Always wear appropriate personal protective equipment (PPE) during installation, including safety glasses and gloves.
- Ensure the door and frame are structurally sound and capable of supporting the device.
- Do not modify the device in any way, as this may compromise its functionality and safety ratings.
- Keep children and unauthorized personnel away from the installation area.
3. Package Contents
Verify that all components are present before beginning installation:
- TACO ED-501-AL Rim Surface Exit Device
- Lock front filler
- Strike filler
- Sex bolts
- Mounting screws and hardware
- Installation instructions (this manual)

Figure 3.1: Included hardware components, including various screws, fillers, and a strike plate.
4. Specifications
| Feature | Detail |
|---|---|
| Model Number | ED-501-AL |
| Material | Aluminum |
| Finish | Lacquered Aluminum |
| Door Thickness Compatibility | 1-3/4" to 2 inches |
| Door Width Compatibility | 26" to 36" inches |
| Minimum Stile Required | 3 inches |
| Product Dimensions | 41.5 x 2.5 x 6 inches |
| Item Weight | 8.38 pounds |
| Certifications | ANSI A156.3 Grade 1, UL Listed SA32524 |
| Usage | Indoor, Commercial/Industrial |
5. Setup and Installation
The TACO ED-501-AL exit device is designed for easy installation with minimum working parts. Ensure your door meets the compatibility requirements listed in the specifications section before proceeding.

Figure 5.1: Front view of the TACO ED-501-AL exit device.
5.1. Pre-Installation Checks
- Confirm door thickness is between 1-3/4" and 2 inches.
- Verify door width is between 26" and 36" inches.
- Ensure a minimum stile width of 3 inches is available on the door.
- Gather necessary tools: drill, measuring tape, screwdriver, pencil.
5.2. Installation Steps
- Prepare the Door: Mark the desired height for the exit device on the door. The device should be installed at a height that allows for comfortable operation.
- Mount the Device Body: Position the main body of the exit device on the door. Use the provided sex bolts and mounting screws to secure it firmly. The interlocking top latch and Pullman bottom latch are designed for faster installation.
- Install the Strike Plate: Align the strike plate with the latch mechanism on the door frame. Mark and drill pilot holes, then secure the strike plate using the appropriate screws. Use the included strike filler if necessary for proper alignment.
- Install Lock Front Filler (if applicable): If your installation requires it, install the lock front filler according to the specific door configuration.
- Test Operation: Once installed, test the device by pushing the bar to ensure smooth and complete retraction of the latch bolt. Ensure the door opens freely.

Figure 5.2: Angled view of the TACO ED-501-AL exit device, showing its low-profile design.
6. Operating Instructions
The TACO ED-501-AL Rim Surface Exit Device is designed for intuitive and reliable operation.
6.1. Exiting a Secured Area
To exit a secured area, simply apply pressure to the push bar of the exit device. The latch bolt will retract, allowing the door to open. Release the push bar, and the latch bolt will automatically extend, securing the door once closed.
6.2. Entry (External Access)
This device is primarily for exit-only applications. For external entry, an appropriate external trim (e.g., lever or knob with key cylinder) must be installed in conjunction with the exit device. Refer to the external trim's installation manual for specific instructions.
7. Maintenance
Regular maintenance ensures the longevity and proper functioning of your TACO ED-501-AL exit device.
- Cleaning: Clean the device periodically with a soft, damp cloth. Avoid abrasive cleaners or solvents that could damage the finish.
- Lubrication: Lightly lubricate moving parts (e.g., latch bolt mechanism) annually with a silicone-based lubricant. Do not over-lubricate.
- Inspection: Regularly inspect the device for any signs of wear, loose screws, or damage. Ensure the push bar operates smoothly without binding.
- Adjustments: If the device does not operate smoothly, check for proper alignment of the strike plate and latch bolt. Adjust as necessary.
8. Troubleshooting
Refer to the following table for common issues and their solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Device does not latch properly. | Misaligned strike plate; Latch bolt obstructed; Worn components. | Check and adjust strike plate alignment. Clear any obstructions. Inspect for wear and replace if necessary. |
| Push bar is stiff or binds. | Lack of lubrication; Debris in mechanism; Bent push bar. | Apply lubricant to moving parts. Clean out any debris. Inspect for damage and replace if bent. |
| Door does not open when push bar is pressed. | Latch bolt not retracting fully; Door binding in frame. | Check for obstructions around the latch bolt. Ensure door hinges are functioning correctly and door is not binding. |
9. Warranty and Support
For warranty information or technical support regarding your TACO ED-501-AL Rim Surface Exit Device, please contact TACO customer service directly. Keep your purchase receipt and model number handy for faster service.
Manufacturer: Taco
Model: ED-501-AL
For further assistance, visit the manufacturer's official website or contact their support line.





