1. Introducció
This manual provides essential instructions for the proper setup, operation, and maintenance of your Master Lock 1 Non-Rekeyable Safety Padlock. Please read this manual thoroughly before using the product to ensure optimal performance and security.
The Master Lock No. 1 padlock features a robust laminated steel body and a hardened steel shackle, designed for superior strength and cut resistance. It is equipped with a 4-pin W1 cylinder for enhanced security against picking.
2. Producte acabatview

Figura 1: Master Lock 1 Non-Rekeyable Safety Padlock with accompanying keys. This image displays the padlock in its open position, showcasing the laminated steel body and the hardened steel shackle, alongside two brass keys.
The Master Lock 1 is a keyed-different padlock, meaning each padlock in a set has a unique key. It is suitable for various applications requiring reliable security, including:
- Ús exterior
- Security gates and fences
- Industrial and storefront gates
- Tool cribs
- Màquines expenedores
3. Configuració
Your Master Lock 1 padlock comes ready for immediate use. No assembly is required.
- Inspeccioneu el cadenat: Abans del primer ús, inspeccioneu visualment el cadenat i les claus per detectar qualsevol signe de danys o defectes de fabricació.
- Identifica les teves claus: Each padlock is supplied with its unique keys. Keep your keys in a safe and accessible location. It is recommended to keep a spare key separate from the primary key.
4. Instruccions de funcionament
4.1. Desbloqueig del cadenat
- Insert the correct key into the keyway of the padlock.
- Turn the key clockwise (or counter-clockwise, depending on the lock mechanism) until the shackle springs open or can be pulled open.
- Remove the shackle from the item you are securing.
- Remove the key from the padlock.
4.2. Bloqueig del cadenat
- Col·loqueu el grilló a través de l'element o elements que voleu assegurar.
- Align the shackle ends with the padlock body's openings.
- Push the shackle firmly into the padlock body until it clicks into place. The padlock is now locked.
- Ensure the shackle is fully engaged by gently pulling on it. If it does not open, it is securely locked.
5. Manteniment
Un manteniment regular garanteix la longevitat i el funcionament fiable del cadenat Master Lock.
- Lubricació: Periodically apply a small amount of graphite-based lubricant or a silicone-based spray into the keyway and around the shackle openings. This helps prevent corrosion and ensures smooth operation, especially in outdoor or harsh environments. Avoid oil-based lubricants as they can attract dirt.
- Neteja: Keep the keyway free of dirt, dust, and debris. Use compressed air or a small brush to clear any obstructions.
- Atenció clau: Do not force the key if it feels stiff. Inspect the key for bends or damage. Damaged keys should be replaced.
6. Solució De Problemes
- Key is difficult to insert or turn:
- Check for debris in the keyway. Clean with compressed air.
- Apply lubricant to the keyway.
- Assegureu-vos que esteu fent servir la clau correcta per al cadenat.
- Inspect the key for damage or bending.
- Shackle is stuck or difficult to open/close:
- Apply lubricant to the shackle legs and the shackle openings on the padlock body.
- Ensure the key is fully turned when attempting to open the shackle.
- Comproveu si hi ha obstruccions físiques que impedeixin que el grillet es mogui lliurement.
- Padlock does not lock:
- Ensure the shackle is fully inserted into the padlock body until it clicks.
- Check for any foreign objects preventing the shackle from engaging the locking mechanism.
7. Especificacions

Figura 2: Packaging for the Master Lock 1 padlock, illustrating key dimensions and highlighting its commercial use suitability.
| Característica | Detall |
|---|---|
| Número de model | 1 |
| Amplada del cos | 1-3/4 polzades (44 mm) |
| Longitud del grillet | 15/16 polzades (24 mm) |
| Diàmetre del grillet | 5/16 polzades (8 mm) |
| Material | Acer laminat |
| Tipus de bloqueig | Keyed Different, 4-pin W1 cylinder |
| Color | Plata |
| Pes de l'article | 8 unces (226.8 grams) |
| Dimensions del producte (L x A x A) | 1 x 1 x 1 polzades |
8. Garantia i Suport
For information regarding warranty coverage, product support, or to purchase replacement keys, please visit the official Master Lock website or contact Master Lock customer service directly. Keep your purchase receipt as proof of purchase.
Oficial de Master Lock Weblloc: www.masterlock.com





