Introduction
This manual provides essential information for the proper use, setup, and maintenance of your Master Lock 5KALF-473 Laminated Padlock. Please read this manual thoroughly before using the product to ensure safe and effective operation.

Product Overview
The Master Lock 5KALF-473 is a durable, keyed-alike laminated padlock designed for general security applications. It features a solid steel body and a hardened steel shackle for enhanced cut resistance.
Key Features
- 2-inch (51mm) wide laminated steel body for strength.
- 1-1/2 inch (38mm) tall, 5/16 inch (8mm) diameter hardened steel shackle for cut resistance.
- 4-pin tumbler cylinder for increased pick resistance.
- Keyed Alike: All padlocks in a set open with the same key.
- Dual locking levers for added pry resistance.
- Non-rekeyable cylinder.
Setup
The Master Lock 5KALF-473 padlock comes pre-assembled and ready for use.
Initial Inspection
- Inspect the padlock for any signs of damage from shipping.
- Verify that the keys provided operate the padlock smoothly.
Key Management
- Keep a spare key in a secure location separate from the padlock.
- Do not leave keys unattended or in easily accessible places.
Operating Instructions
Locking the Padlock
- Ensure the shackle is fully open.
- Position the shackle through the item(s) you wish to secure.
- Push the shackle firmly into the padlock body until it clicks into place.
- Tug on the shackle to ensure it is securely locked.
Unlocking the Padlock
- Insert the correct key into the keyway.
- Turn the key clockwise (or counter-clockwise, depending on the lock) until the shackle springs open.
- Remove the shackle from the secured item(s).
- Remove the key from the keyway.
Maintenance
Regular maintenance will ensure the longevity and smooth operation of your padlock.
- Lubrication: Apply a small amount of graphite-based lubricant or a silicone spray into the keyway and around the shackle entry points every 6-12 months, or more frequently in harsh environments. Avoid oil-based lubricants as they can attract dirt.
- Cleaning: Wipe the padlock body and shackle with a clean, dry cloth to remove dirt and debris.
- Storage: When not in use, store the padlock in a dry environment to prevent corrosion.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Key is difficult to insert or turn | Dirt or debris in keyway; lack of lubrication | Apply graphite lubricant to the keyway. Gently wiggle the key while turning. |
| Shackle is stiff or won't open | Corrosion; lack of lubrication; shackle misalignment | Apply lubricant to shackle entry points. Ensure the key is fully inserted and turned. |
| Padlock does not lock | Shackle not fully inserted; internal mechanism issue | Ensure shackle is pushed firmly until it clicks. If problem persists, contact support. |
Specifications
- Model Number: 5KALF-473
- Body Width: 2 inches (51mm)
- Shackle Height: 1-1/2 inches (38mm)
- Shackle Diameter: 5/16 inches (8mm)
- Material: Laminated Alloy Steel
- Lock Type: Key Lock, 4-pin tumbler
- Finish: Laminated
- Item Weight: Approximately 1.05 - 1.1 pounds
- Dimensions (L x W x H): 5 x 3 x 2 inches
- UPC: 071649028014
Warranty Information
Specific warranty details for the Master Lock 5KALF-473 Laminated Padlock are not provided in this manual. Please refer to the manufacturer's official website or contact Master Lock customer service for current warranty terms and conditions.
Customer Support
For further assistance or inquiries regarding your Master Lock product, please visit the official Master Lock website or contact their customer service department.
Master Lock Official Website: www.masterlock.com





