1. Оршил ба түүнээс дээшview
The Master Lock 5400EC Set Your Own Combination Portable Lock Box is designed for secure storage of keys, offering durability and convenience. Its portable design allows for easy installation over door knobs. Users can set their own four-digit combination for keyless access and enhanced security. A protective shutter door shields the combination dials from environmental elements like weather, dirt, and grime. The molded body and vinyl-coated shackle are engineered to prevent scratching of door surfaces.

Figure 1: Master Lock 5400EC Key Lock Box
2. Үндсэн шинж чанарууд
- Том хүчин чадал: Securely stores up to five standard (2-inch) house keys.
- Тохируулж болох хослол: Features a four-digit combination lock that can be set and reset to thousands of personalized code options.
- Удаан эдэлгээтэй барилга: Built with a metal body for enhanced durability, suitable for both indoor and outdoor use.
- Гадаргуугийн хамгаалалт: Includes a vinyl-coated shackle to prevent scratching of door surfaces and a shutter door to protect combination dials from weather and debris.
- Зөөврийн дизайн: Offers removable "over the knob" installation, fitting most ball, biscuit, and tulip door knob styles.
- Pre-set Combination: The lock box combination is initially preset to 0-0-0-0. Instructions for resetting the combination are included.

Figure 2: Key features of the lock box including vinyl-coated shackle, 4-digit combination, weather protection cover, and storage compartment.
3. Тохируулах заавар
3.1 Setting Your Combination
- Open the lock box by setting the dials to the default combination (0-0-0-0) and pulling down the cover.
- Locate the reset lever inside the lock box. Push the reset lever into position 'A' (towards the shackle).
- Rotate the combination dials to your desired four-digit combination. Ensure the numbers are clearly aligned.
- Push the reset lever back to position 'B' (away from the shackle).
- Scramble the combination dials to lock the box. Your new combination is now set.

Figure 3: Visual guide for setting the lock box combination.
3.2 Installation (Over-the-Knob Design)
- Ensure the lock box is open and the shackle is released.
- Begin installing with the lock box facing away from the door.
- Turn the lock box around to face you once it is over the door knob or handle.
- Close the shackle securely onto the lock box and close the compartment door.

Figure 4: Proper installation method for the portable lock box.

Figure 5: The lock box is compatible with most knobs and handles, but not levers.
4. Ашиглалтын заавар
4.1 Түгжээний хайрцгийг нээх
- Rotate the combination dials to your set four-digit code.
- Pull down the shutter door to reveal the key compartment.
- Retrieve or place keys as needed.
4.2 Closing and Securing the Lock Box
- Ensure all keys are securely placed within the compartment.
- Close the shutter door firmly.
- Зөвшөөрөлгүй нэвтрэхээс сэргийлэхийн тулд хосолсон залгууруудыг холбоно уу.

Figure 6: The lock box provides a secure alternative to traditional key hiding spots.
5. Засвар үйлчилгээ
To ensure the longevity and proper functioning of your Master Lock Key Lock Box, follow these maintenance guidelines:
- Тогтмол цэвэрлэгээ: Гадна талыг үе үе зөөлөн, d-ээр арчиж байгаарайamp шороо, хир буртагийг арилгахын тулд даавуу. Зүлгүүрийн цэвэрлэгчээс зайлсхий.
- Shutter Door Care: Keep the shutter door free of debris to ensure smooth operation and proper protection of the combination dials.
- Тосолгоо: If the dials become stiff, apply a small amount of graphite lubricant to the moving parts. Do not use oil-based lubricants.
- Цаг агаарын хамгаалалт: While designed for outdoor use, extreme weather conditions may affect performance over time. Ensure the shutter door is always closed when not in use.
6. Алдаа засах
- Залгууд хатуу байна: Apply graphite lubricant to the dials. Ensure no foreign objects are obstructing movement.
- Cannot Open with Correct Combination: Double-check that each number is precisely aligned. Ensure the reset lever is in the correct position (B) after setting the combination.
- Shackle is Stuck: Ensure the combination is correctly entered and the release mechanism is fully engaged. Check for any obstructions.
7. Техникийн үзүүлэлтүүд
| Брэнд | Мастер түгжээ |
| Загварын нэр | 5400D (5400EC) |
| Түгжээний төрөл | Механик код түгжээ |
| Материал | Металл |
| Өнгө | Хар |
| Зүйлийн жин | 1.06 фунт |
| Гаднах хэмжээсүүд (H x W x D) | 6.25 инч (158.75 мм) x 3.56 инч (90.42 мм) x 1.50 инч (38 мм) |
| Дотоод хэмжээс (H x W x D) | 3in (76.2mm) x 2.75in (70mm) x 1in (25mm) (L-shaped interior) |
| Бөгжний урт | 1.406 инч (35.71 мм) |
| Бөгжний өргөн | 1.875 инч (47.62 мм) |
| Бөгжний диаметр | 0.406 инч (10.3 мм) |
| Түлхүүр багтаамж | 5 standard (2 inch) house keys |
| Гарал үүслийн улс | Хятад |
| UPC | 071649214516 |

Figure 7: Internal dimensions and key capacity of the lock box.
8. Баталгаат хугацаа ба дэмжлэг
The Master Lock 5400EC Key Lock Box comes with a Хязгаарлагдмал насан туршийн баталгаа, providing peace of mind regarding its durability and performance.
For additional support, user guides, or troubleshooting assistance, please refer to the official Master Lock website or contact their customer service. Digital versions of the user guide and manual are also available:





