Giới thiệu
This manual provides detailed instructions for the installation, operation, and maintenance of the U-Box Rear Door Hinge Mounted Flag and Antenna Holder Kit. Designed for Jeep Wrangler JL and JL Unlimited models from 2018 to 2022, this kit allows for secure mounting of a flag pole or an antenna on the vehicle's rear door hinges without requiring drilling or modifications.
Nội dung gói
Vui lòng xác minh rằng tất cả các thành phần đều có sẵn trước khi bắt đầu cài đặt.
- 1x U-Box Rear Door Hinge Mounted Holder
- 2x M10*40 Bolts
- Necessary washers and nuts (not included in product details, but typically part of such kits)

Hình ảnh: Kit components, showing the main holder and two M10*40 bolts.
Khả năng tương thích
This U-Box holder kit is compatible with the following vehicle models:
- Jeep Wrangler JL (2018, 2019, 2020, 2021, 2022)
- Jeep Wrangler JL Unlimited (2018, 2019, 2020, 2021, 2022)
Hướng dẫn cài đặt
The installation process is designed to be straightforward and typically takes about 10-15 minutes. No drilling or permanent modifications are required.
Công cụ cần thiết:
- Wrench or socket set (appropriate size for M10 bolts)
Hướng dẫn từng bước:
Xác định vị trí lắp đặt: The holder mounts to the rear door hinges of your Jeep Wrangler JL. Locate the two bolts on the upper part of the rear door hinge.

Hình ảnh: The holder mounted on the rear door hinge, showing the bolt locations.
Remove Hinge Bolts: Carefully remove the two existing bolts from the rear door hinge using the appropriate wrench or socket. Keep these bolts safe in case you need them later.
Đặt giá đỡ vào vị trí: Align the U-Box holder with the bolt holes on the rear door hinge. Ensure the holder is oriented correctly, with the flag/antenna receiving tube facing upwards.

Hình ảnh: Chi tiết view of the holder's structure and mounting brackets.
Bảo vệ giá đỡ: Insert the provided M10*40 bolts through the holder's mounting points and into the hinge bolt holes. Tighten the bolts securely. Do not overtighten.
Kiểm tra cuối cùng: Ensure the holder is firmly attached and does not wobble. The installation is now complete.
Hướng dẫn sử dụng
This holder is designed to securely mount a flag pole or an antenna.
Insert Flag Pole/Antenna: Insert your flag pole (up to 1.1 inches in diameter) or antenna into the receiving tube of the holder.

Hình ảnh: The holder with an antenna and flag pole in place.
Secure with Thumb Screw: Tighten the adjustable thumb screw located on the side of the holder to firmly secure the flag pole or antenna in place. Ensure it is snug to prevent movement during vehicle operation.

Hình ảnh: Detail of the adjustable thumb screw for securing the pole.
Xác minh tính ổn định: Before driving, gently tug on the flag pole or antenna to confirm it is securely held and will not slip or detach.

Hình ảnh: The holder in use with a flag on a Jeep Wrangler JL.
BẢO TRÌ
Regular maintenance will help prolong the life and appearance of your U-Box holder.
- Vệ sinh: Clean the holder periodically with mild soap and water to remove dirt and road grime. Rinse thoroughly and dry.
- Điều tra: Regularly inspect all bolts and the thumb screw for tightness. Retighten if necessary.
- Phòng chống ăn mòn: While made of aluminum alloy, the bolts may be susceptible to rust over time, especially in wet conditions. Consider applying a rust-inhibiting spray or grease to the bolts to prevent corrosion.
Xử lý sự cố
- Issue: Flag pole or antenna slips down.
- Giải pháp: Ensure the thumb screw is tightened sufficiently. The holder is designed for poles up to 1.1 inches in diameter; poles smaller than this may require additional shimming for a secure fit. Verify the pole is inserted fully.
- Issue: Bolts are rusting.
- Giải pháp: This can occur due to exposure to moisture. Apply a rust-inhibiting product to the bolts. For severe rust, consider replacing the bolts with stainless steel hardware.
- Issue: Holder feels loose after installation.
- Giải pháp: Recheck the tightness of the M10*40 mounting bolts. Ensure they are securely fastened to the vehicle's hinge. If the issue persists, verify correct installation steps were followed.
Thông số kỹ thuật
| Thương hiệu | Hộp chữ U |
| Số hiệu mẫu | SHM31819 |
| Vật liệu | Hợp kim nhôm |
| Màu sắc | Đen |
| Max Pole Diameter | 1.1 inch (2.8 cm) |
| Loại cài đặt | Bolt-on, Rear Door Hinge Mount |
| Khả năng tương thích | Jeep Wrangler JL / JL Unlimited (2018-2022) |
Thông tin bảo hành
Warranty information for this product is not explicitly provided in the available product details. Please refer to the retailer's return policy or contact U-Box directly for specific warranty terms.
Hỗ trợ khách hàng
For further assistance, technical support, or inquiries regarding this product, please contact the retailer where the product was purchased. You may also visit the official U-Box webTrang web này cung cấp thông tin chung về sản phẩm.





