Master Lock Manuals & User Guides

User manuals, setup guides, troubleshooting help, and repair information for Master Lock products.

Tip: include the full model number printed on your Master Lock label for the best match.

Master Lock manuals

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Master Lock Instruction Manual

29-март, 2021-жыл
Transportation Security Administration (TSA) baggage screeners are trained to recognize the Travel Sentry® red diamond logo on TSA – accepted locks. They have access to a secured set of codes and tools which allow them to open, inspect and relock…

Master Lock 178D Combination Padlock User Manual

178D • 2025-жылдын 28-ноябры • Amazon
This manual provides instructions for the Master Lock 178D Set Your Own Combination Padlock. Learn about its features, setup, operation, and maintenance. This padlock offers a 2-inch wide solid body, a 5/16-inch hardened steel shackle, and a 4-digit resettable combination for enhanced…

Master Lock 5480EURD Key Cabinet Instruction Manual

5480EURD • October 29, 2025 • Amazon
This manual provides comprehensive instructions for the setup, operation, maintenance, and troubleshooting of your Master Lock 5480EURD Key Cabinet. Learn how to set your personal combination, install the removable shackle, and effectively use your key storage device.