1. Giriş
This manual provides instructions for the proper use and maintenance of your Master Lock 5KA A389 Laminated Steel Pin Tumbler Padlock. This padlock is designed for security applications requiring a durable, keyed-alike locking solution.
The Master Lock 5KA A389 features a 2-inch (51mm) wide laminated steel body for strength and a hardened boron alloy shackle for superior cut resistance. It incorporates a 4-pin cylinder to help prevent picking and dual locking levers for enhanced pry resistance.

Şekil 1: Master Lock 5KA A389 Laminated Steel Padlock with accompanying keys. This image shows the front view of the padlock, highlighting its laminated steel construction and the "COMMERCIAL" and "Master" branding.
2. Kurulum
The Master Lock 5KA A389 padlock is ready for immediate use upon receipt. No assembly is required.
2.1 Keyed Alike Feature
This padlock is part of a "Keyed Alike" system (W1 cylinder). If you have ordered multiple 5KA A389 padlocks with the same key code, all padlocks will operate with the same key. This simplifies key management for multiple locks.

Şekil 2: Kapatmak view of the padlock's keyhole, demonstrating where the key is inserted for operation. The key is partially inserted, showing the A389 key code.
3. Operasyon
3.1 Locking the Padlock
- Ensure the shackle is in the open position.
- Position the shackle through the item(s) you wish to secure.
- Press the shackle firmly into the padlock body until it clicks into place. The padlock is now locked.

Şekil 3: The Master Lock 5KA A389 padlock shown in a locked position, securing a metal hasp. This illustrates a typical application of the padlock.
3.2 Unlocking the Padlock
- Insert the correct key into the keyway.
- Turn the key clockwise until the shackle springs open.
- Remove the shackle from the secured item(s).
- Remove the key. The padlock is now unlocked.
4. Bakım
Regular maintenance ensures the longevity and reliable operation of your Master Lock padlock.
- Temizlik: Periodically wipe the padlock body and shackle with a clean, dry cloth to remove dirt and debris.
- Yağlama: For optimal performance, especially in cold or harsh environments, apply a small amount of graphite lubricant or a silicone-based spray lubricant into the keyway and around the shackle mechanism once or twice a year. Avoid oil-based lubricants as they can attract dirt.
- Pas Koruması: The padlock features proprietary rustproofing. However, for prolonged exposure to extreme moisture or corrosive conditions, additional protective measures may be considered.
5. Sorun Giderme
| Sorun | Olası Neden | Çözüm |
|---|---|---|
| Anahtarın takılması veya çevrilmesi zor. | Dirt or debris in the keyway; lack of lubrication; worn key. | Clean the keyway with compressed air. Apply graphite or silicone lubricant. Try a spare key if available. |
| Shackle sticks or does not spring open. | Lack of lubrication; corrosion; extreme cold temperatures. | Apply lubricant to the shackle mechanism and keyway. In cold weather, ensure the lock is not frozen; gently warm if necessary (avoid open flames). |
| Padlock does not lock securely. | Obstruction preventing shackle from fully engaging; internal mechanism issue. | Ensure no debris is blocking the shackle. If the issue persists, contact Master Lock customer support. |
6. Özellikler
| Özellik | Detay |
|---|---|
| Model Numarası | 5KA A389 |
| Gövde Genişliği | 2 inç (51 mm) |
| Gövde Malzemesi | Laminated Steel |
| Kelepçe Çapı | 3/8 inç (10 mm) |
| Kelepçe Malzemesi | Hardened Boron Alloy |
| Shackle Clearance (Vertical) | 1 inç (25mm) |
| Kilit Mekanizması | 4-Pin Pin Tumbler Cylinder |
| Kilitleme Kolları | Dual Locking Levers |
| Anahtarlama | Keyed Alike (W1 Cylinder) |
| Boyutlar (U x G x Y) | 3.71 x 1.38 x 2.26 inç |
| Ürün Ağırlığı | 12.8 ons |
| UPC | 071649036743 |
7. Garanti ve Destek
For information regarding warranty coverage, product support, or to contact customer service, please visit the official Master Lock websiteye bakın veya ürün ambalajına bakın.
Ayrıca ziyaret edebilirsiniz Master Lock Store on Amazon Ek ürün bilgisi ve kaynakları için.

Şekil 4: Example of Master Lock product packaging. This packaging typically contains warranty details and contact information.





