導入
The Master Lock 175D is a durable, resettable combination padlock designed for various security needs. It features a robust construction and a customizable 4-digit combination for enhanced security and convenience. This manual provides instructions for setting up, operating, maintaining, and troubleshooting your lock.

Image: The Master Lock 175D Resettable Combination Lock, featuring a solid body and shackle.
製品の特徴
- 2 inch (51mm) Wide Solid Body: Provides strength and reliability.
- 硬化鋼シャックル: 5/16 inch (8mm) diameter and 1 inch (25mm) long, offering extra resistance to cutting and sawing.
- 4-Digit Resettable Combination: Allows for thousands of possible numeric combinations, which can be set and reset by the user.
- Combination Change Key: Included for easy resetting of the combination.
セットアップ: 組み合わせの設定
Follow these steps to set your personal combination for the Master Lock 175D:
- ロックを開く: The lock is preset to open at 0-0-0-0 from the factory. Align the numbers 0-0-0-0 with the indicator line and pull up the shackle to open the lock.
- リセットキーを挿入します: With the lock open, locate the small hole on the side or bottom of the lock body. Insert the included combination change key into this hole.
- Rotate Shackle: While the key is inserted, rotate the shackle 90 degrees (a quarter turn) in either direction. The shackle should remain in this rotated position.
- 新しい組み合わせを設定: With the shackle rotated and the key inserted, set your desired 4-digit combination by turning the dials. Ensure the numbers are aligned with the indicator line.
- Return Shackle and Remove Key: Rotate the shackle back to its original open position. Then, remove the combination change key.
- Test Combination: Scramble the dials to lock the shackle. Then, enter your new combination and pull up the shackle to confirm it opens correctly.
重要: Remember your combination. Master Lock does not retain user-set combinations.

Image: A combination lock secured on a locker, demonstrating a typical application.
ロックの操作
To open the Master Lock 175D:
- Rotate the dials to align your personal 4-digit combination with the indicator line on the front of the lock.
- Pull up on the shackle to release it from the lock body.
To close and secure the Master Lock 175D:
- Push the shackle firmly back into the lock body until it clicks into place.
- Scramble the dials to a random set of numbers to secure the lock and prevent unauthorized opening.
メンテナンス
Proper maintenance ensures the longevity and smooth operation of your Master Lock 175D:
- クリーニング: Keep the dials and shackle free from dirt, dust, and debris. Use a soft, dry cloth for cleaning. Avoid abrasive cleaners.
- 潤滑: Periodically apply a small amount of graphite-based lubricant or a silicone spray to the shackle mechanism and dials to ensure smooth movement. Do not use oil-based lubricants as they can attract dirt.
- ストレージ: When not in use, store the lock in a clean, dry environment to prevent corrosion.
トラブルシューティング
If you encounter issues with your Master Lock 175D, consider the following:
- Lock Will Not Open:
- Ensure the correct combination is entered and the numbers are precisely aligned with the indicator line.
- Check if the dials are stiff or jammed. Try applying lubricant as described in the Maintenance section.
- Cannot Reset Combination:
- Verify that the lock is in the open position (shackle pulled up).
- Ensure the combination change key is fully inserted into the reset hole.
- Confirm the shackle is rotated 90 degrees and held in that position while setting the new combination.
- Dials Are Stiff:
- Clean any visible dirt or grime from the dials.
- Apply a suitable lubricant to the dial mechanism.
仕様
| ブランド | マスターロック |
| モデル名 | 175D |
| ロックタイプ | コンビネーションロック |
| 特集 | Keyless, Resettable |
| ボディ幅 | 2インチ(51mm) |
| シャックル直径 | 5/16インチ(8mm) |
| シャックル長さ | 1インチ(25mm) |
| 材料 | Brass, Hardened Steel |
| 製品寸法(長さ x 幅 x 高さ) | 6.56 x 3.5 x 1.18インチ |
| アイテム重量 | 9オンス(0.56ポンド) |
| 欧州連合 | 071649101489 |
保証とサポート
The Master Lock 175D combination padlock comes with a 限定生涯保証, providing peace of mind regarding its quality and durability.
さらに詳しいサポート、製品登録、または view additional support resources, please visit the official Master Lock website or contact their customer service department. Contact information can typically be found on the Master Lock packaging or their official webサイト。