ആമുഖം
This manual provides comprehensive instructions for the installation, operation, and maintenance of your Master Lock Hasp/Hidden Shackle Padlock Combo, Model 720-6271KA. This combination includes a hardened steel hasp and a high-security hidden shackle padlock, designed to provide robust security for various applications.

ചിത്രം 1: ഒരു ഓവർview of the Master Lock 720-6271KA combo, showing the hidden shackle padlock, the hardened steel hasp, and the two included keys.
സജ്ജീകരണവും ഇൻസ്റ്റാളേഷനും
The Master Lock Hasp/Hidden Shackle Padlock Combo comes with all necessary hardware for installation. Follow these steps for proper setup:
- ലൊക്കേഷൻ തിരഞ്ഞെടുക്കുക: Select a suitable location for installation, ensuring the surface is sturdy enough to support the hasp and resist tampering. The hinged body of the hasp is ideal for reaching around corners.
- Position Hasp: Place the hasp in the desired position. Ensure proper alignment for the padlock to fit securely.
- ഡ്രില്ലിംഗ് പോയിന്റുകൾ അടയാളപ്പെടുത്തുക: Use a pencil or marker to mark the locations for drilling screw holes through the mounting plates of the hasp.
- ഡ്രിൽ പൈലറ്റ് ദ്വാരങ്ങൾ: Drill pilot holes at the marked points. Ensure the drill bit size is appropriate for the included mounting hardware to prevent stripping or cracking the surface.
- Secure Hasp: Attach the hasp using the provided mounting hardware. Ensure all screws are tightened securely. The hardened steel construction and boron alloy staple provide maximum protection against cutting and sawing.
- ഫിറ്റ് പരിശോധിക്കുക: Once installed, test the hasp and padlock to ensure they align correctly and the lock can be easily engaged and disengaged.

Figure 2: The Master Lock 720DPF hardened steel hasp, featuring its single-hinge design and robust construction for secure attachment.
പ്രവർത്തന നിർദ്ദേശങ്ങൾ
The Master Lock hidden shackle padlock is designed for high security and ease of use. It comes with two keys.
- ലോക്കിംഗ്:
- Align the hasp's staple with the opening of the hidden shackle padlock. The padlock's opening dimensions are approximately 1-3/4 inches wide x 3/4 inches high x 11/16 inches depth (to the center of the pin).
- Insert the padlock into the hasp's staple.
- Turn the key clockwise to engage the locking mechanism. Remove the key. The lock is now secured.
- അൺലോക്ക് ചെയ്യുന്നു:
- Insert the key into the padlock's keyway.
- ലോക്കിംഗ് സംവിധാനം വിച്ഛേദിക്കുന്നതിന് കീ എതിർ ഘടികാരദിശയിൽ തിരിക്കുക.
- Remove the padlock from the hasp's staple.
The "Bolt Cutter Tough" design ensures the fully shielded hardened steel shackle offers impossible-to-cut and pry resistance features.

Figure 3: The Master Lock hidden shackle padlock, showcasing its design and the two keys used for operation.
മെയിൻ്റനൻസ്
To ensure the longevity and optimal performance of your Master Lock Hasp/Hidden Shackle Padlock Combo, follow these simple maintenance guidelines:
- വൃത്തിയാക്കൽ: Periodically wipe down the hasp and padlock with a clean, dry cloth to remove dust and dirt. For stubborn grime, a damp വീര്യം കുറഞ്ഞ സോപ്പുള്ള തുണി ഉപയോഗിക്കാം, തുടർന്ന് നന്നായി ഉണക്കാം.
- ലൂബ്രിക്കേഷൻ: Apply a small amount of graphite lubricant or a silicone-based spray specifically designed for locks into the keyway and shackle mechanism once or twice a year, or more frequently in harsh environments. This helps maintain smooth operation and prevents corrosion. Avoid oil-based lubricants as they can attract dirt.
- പരിശോധന: Regularly inspect the hasp and padlock for any signs of wear, damage, or corrosion. Ensure all mounting screws for the hasp remain tight. Address any issues promptly to maintain security.
- പ്രധാന പരിചരണം: Keep your keys clean and free of debris. Avoid using keys for purposes other than operating the lock, as this can bend or damage them.
ട്രബിൾഷൂട്ടിംഗ്
If you encounter issues with your Master Lock Hasp/Hidden Shackle Padlock Combo, refer to the following common problems and solutions:
- പ്രശ്നം: The lock does not fit onto the hasp or cannot be locked.
- പരിഹാരം 1: Verify the dimensions. Ensure the hasp's staple aligns correctly with the padlock's shackle opening. The padlock's opening is 1-3/4" wide x 3/4" high x 11/16" depth.
- പരിഹാരം 2: Check for obstructions. Ensure no debris or foreign objects are preventing the lock from seating properly.
- പരിഹാരം 3: Re-evaluate installation. If the hasp was recently installed, ensure it is mounted level and the staple is not misaligned or bent.
- പ്രശ്നം: താക്കോൽ തിരുകാനോ തിരിക്കാനോ പ്രയാസമാണ്.
- പരിഹാരം 1: Lubricate the keyway. Apply a small amount of graphite lubricant into the keyway.
- പരിഹാരം 2: Check the key. Ensure the key is not bent or damaged. Try the spare key if available.
- പരിഹാരം 3: Clean the keyway. Use compressed air to clear any dust or debris from the keyway.
- പ്രശ്നം: Hasp screws are not countersinking flush.
- പരിഹാരം: Ensure pilot holes are drilled to the correct depth and width for the provided screws. If using different screws, ensure they are compatible with the hasp's design.
സ്പെസിഫിക്കേഷനുകൾ
| ഫീച്ചർ | വിശദാംശങ്ങൾ |
|---|---|
| ബ്രാൻഡ് | മാസ്റ്റർ ലോക്ക് |
| മോഡൽ നമ്പർ | 720-6271കെഎ |
| ലോക്ക് തരം | Key Lock (Hidden Shackle) |
| മെറ്റീരിയൽ | അലോയ് സ്റ്റീൽ, സിങ്ക് |
| Hasp Length | 6-1/4 ഇഞ്ച് (16 സെ.മീ) |
| Shackle Acceptance (Hasp) | 7/16 inches (11 mm) diameter |
| Padlock Opening Dimensions (W x H x D) | 1-3/4 inches x 3/4 inches x 11/16 inches (to center of pin) |
| ഫിനിഷ് തരം | പൂശിയത് |
| കീകൾ ഉൾപ്പെടുത്തിയിട്ടുണ്ട് | 2 |
| മൌണ്ടിംഗ് ഹാർഡ്വെയർ | ഉൾപ്പെടുത്തിയിട്ടുണ്ട് |
| Combo Components | 1 Hasp, 1 Padlock |

Figure 4: Technical diagram illustrating key dimensions of the Master Lock hidden shackle padlock, including width and shackle opening measurements.
വാറൻ്റി വിവരങ്ങൾ
MASTER LOCK PRODUCT WARRANTY Limited Lifetime Warranty:
Master Lock Company LLC ("Master Lock") grants the following warranty: If this product or any part of the product fails due to a defect in materials or workmanship at any time during the life of the product, Master Lock will, at its own discretion, repair or replace the product or part free of charge.
To obtain repair or replacement, simply contact Master Lock using the support information provided below.
പിന്തുണ
For further assistance, technical support, or warranty claims, please contact Master Lock directly:
- Webസൈറ്റ്: www.masterlock.com
- ഫോൺ: 1.800.464.2088
Please have your product model number (720-6271KA) ready when contacting support.





