Introduction
This manual provides detailed instructions for the installation, use, and maintenance of your Mail Boss 7121 In-Ground Mounting Post. This heavy-duty post is designed to securely mount any curbside Mail Boss locking mailbox, ensuring stability and compliance with postal regulations. Please read all instructions carefully before beginning installation.
Product Features
- Durable Construction: Made of heavy-duty 10- and 14-gauge electrogalvanized steel for long-lasting performance.
- Protective Finish: Features a durable powder-coated finish to resist corrosion and wear.
- Versatile Installation: Can be used independently or with a wooden 4"x4" post for deeper, reinforced in-ground installations.
- Compatibility: Designed to accept all Mail Boss brand Locking Security Mailboxes.
- Complete Hardware: Includes 4 mounting bolts and clear instructions for straightforward assembly.
Package Contents
- Mail Boss 7121 In-Ground Mounting Post (1 unit)
- Mounting Bolts (4 units)
- Installation Instructions (1 document)
Setup and Installation
Proper installation is crucial for the stability and security of your mailbox. Follow these steps carefully:
- Site Selection: Choose a location that complies with local postal regulations. Standard USPS mailbox requirements state that the mail entry point must be located between 41-45 inches above the road surface, and the front of the mailbox should be between 6-8 inches away from the road edge.
- Excavate the Hole: Dig a hole for the post. The 43-inch post should be buried approximately 12 inches in the ground to meet USPS height specifications when a Mail Boss mailbox is mounted. If using a 4"x4" wooden post for reinforcement, ensure the hole is deep enough to accommodate the wooden post and the steel post.
- Optional Wooden Post Reinforcement: For enhanced stability or in cold climates, insert a treated 4"x4" wooden post into the ground first. The Mail Boss 7121 post is designed to fit securely over a standard 3.5"x3.5" wooden post. Secure the steel post to the wooden post using lag screws through the pre-drilled holes on the sides of the steel post (lag screws for wooden post not included).
- Secure the Post: Place the Mail Boss 7121 post into the excavated hole. Ensure it is level and plumb. Fill the hole with concrete or compacted soil, following standard practices for post installation. Allow concrete to cure completely if used.
- Attach Mailbox: Once the post is securely installed, align your Mail Boss mailbox with the pre-drilled holes on the top plate of the mounting post. Use the provided 4 mounting bolts to securely fasten the mailbox to the post.
The Mail Boss 7121 In-Ground Mounting Post is designed to fit over a 4"x4" wooden post for deeper and more secure installations.
The top plate of the mounting post features four threaded holes for attaching your Mail Boss mailbox securely.
USPS guidelines for mailbox placement, showing height requirements for in-ground posts.
Recommended deep installation method for the 43-inch in-ground post, especially in cold climates, using a wooden post for reinforcement.
Usage
The Mail Boss 7121 In-Ground Mounting Post provides a stable and compliant foundation for your Mail Boss locking mailbox. Once installed, your mailbox will be at the correct height and distance from the road for postal service. Ensure your mailbox is properly secured to the post to prevent theft and damage.
Maintenance
The Mail Boss 7121 In-Ground Mounting Post is constructed from durable galvanized steel with a powder-coated finish, requiring minimal maintenance. To ensure its longevity and appearance:
- Regular Cleaning: Periodically wipe down the post with a damp cloth to remove dirt, dust, and debris. For stubborn grime, use a mild soap solution and rinse thoroughly.
- Inspect for Damage: Annually inspect the post for any signs of rust, scratches, or structural damage. Touch up any scratches in the powder coat with appropriate outdoor-grade paint to prevent rust.
- Check Stability: Ensure the post remains firmly anchored in the ground. If any wobbling occurs, re-secure the base as needed.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Post is wobbly after installation. | Insufficient concrete/soil compaction; improper depth. | Re-evaluate installation depth and method. Ensure adequate concrete or soil compaction around the base. Consider adding a wooden 4"x4" post for reinforcement. |
| Mailbox not aligning with post holes. | Incorrect mailbox model; misalignment during attachment. | Verify your mailbox is a Mail Boss brand model compatible with this post. Ensure the mailbox is centered and aligned before tightening bolts. |
| Rust spots appearing on the post. | Damage to powder-coated finish exposing bare metal. | Clean the rusted area, sand lightly, and apply a rust-inhibiting primer followed by an outdoor-grade, matching paint. |
Specifications
- Model Number: 7121
- Dimensions: 43 x 4 x 4 inches
- Item Weight: 14 pounds
- Material: Heavy-Gauge Galvanized Powder-Coated Steel
- Color: Black
- Style: In-Ground
- Included Components: Installation Hardware & Instructions, Mailbox Post
Warranty Information
The Mail Boss 7121 In-Ground Mounting Post comes with a Limited Lifetime Warranty Against Manufacturer Defects. For warranty claims or further details, please refer to the official Mail Boss website or contact customer support.
Customer Support
For any questions, assistance, or to report issues with your Mail Boss 7121 In-Ground Mounting Post, please visit the official Mail Boss website or contact their customer service department. Contact information can typically be found on the product packaging or the manufacturer's website.