Einführung
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.
Produkteigenschaften
- 2 inch (51mm) Wide Solid Body: Provides strength and reliability.
- Gehärteter Stahlschäkel: 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.
Einrichtung: Ihre Kombination einstellen
Follow these steps to set your personal combination for the Master Lock 175D:
- Öffne das Schloss: 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.
- Reset-Taste einstecken: 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.
- Neue Kombination festlegen: 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.
- Testkombination: Scramble the dials to lock the shackle. Then, enter your new combination and pull up the shackle to confirm it opens correctly.
Wichtig: Merken Sie sich Ihre Kombination. Master Lock speichert keine vom Benutzer festgelegten Kombinationen.

Image: A combination lock secured on a locker, demonstrating a typical application.
Bedienung des Schlosses
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.
- Ziehen Sie am Bügel, um ihn vom Schlosskörper zu lösen.
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.
Wartung
Proper maintenance ensures the longevity and smooth operation of your Master Lock 175D:
- Reinigung: Keep the dials and shackle free from dirt, dust, and debris. Use a soft, dry cloth for cleaning. Avoid abrasive cleaners.
- Schmierung: 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.
- Lagerung: When not in use, store the lock in a clean, dry environment to prevent corrosion.
Fehlerbehebung
If you encounter issues with your Master Lock 175D, consider the following:
- Schloss lässt sich nicht öffnen:
- 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.
- Die Skalen sind schwergängig:
- Entfernen Sie sichtbaren Schmutz oder Ablagerungen von den Zifferblättern.
- Apply a suitable lubricant to the dial mechanism.
Technische Daten
| Marke | Hauptschloss |
| Modellname | 175D |
| Sperrtyp | Kombinationsschloss |
| Besonderheit | Keyless, Resettable |
| Gehäusebreite | 2 Zoll (51mm) |
| Schäkeldurchmesser | 5 mm (16/8 Zoll) |
| Schäkellänge | 1 Zoll (25mm) |
| Material | Brass, Hardened Steel |
| Produktabmessungen (L x B x H) | 6.56 x 3.5 x 1.18 Zoll |
| Artikelgewicht | 9 Unzen (0.56 Pfund) |
| UPC | 071649101489 |
Garantie und Support
The Master Lock 175D combination padlock comes with a Eingeschränkte lebenslange Garantieund bietet Ihnen somit Sicherheit hinsichtlich Qualität und Langlebigkeit.
Für weitere Unterstützung, Produktregistrierung oder um 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 webWebsite.





