Door Lock Installation and Repair
Measure and mark lock height on door edge
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Tools Needed
- drill
- hole saw
- chisel
- screwdriver
- measuring tape
Parts & Materials
Available from multiple retailers
Available from multiple retailers
Available from multiple retailers
Available from multiple retailers
ā ļø Safety First
š§ Tools Needed
š¦ Materials
š Step-by-Step Instructions
1. Measure and mark lock height on door edge
2. Use template to mark hole locations accurately
3. Drill large hole through door face for lock cylinder
4. Drill smaller hole in door edge for deadbolt
5. Chisel mortise for lock faceplate in door edge
6. Install lock mechanism and test operation
7. Mark strike plate location on door frame
8. Drill hole in frame for deadbolt extension
9. Chisel mortise for strike plate in frame
10. Install strike plate with long screws
11. Test complete lock operation and adjust
š” Pro Tips
ā Common Mistakes to Avoid
š Troubleshooting
Key hard to turn in lock
*Cause:* Lock not properly aligned or needs lubrication
*Fix:* Adjust strike plate alignment and lubricate lock mechanism
Deadbolt doesn't fully extend
*Cause:* Hole in frame too small or misaligned
*Fix:* Enlarge hole in frame or adjust strike plate position
Door doesn't close properly
*Cause:* Strike plate too deep or lock interfering
*Fix:* Adjust strike plate depth or check lock installation
ā Frequently Asked Questions
Q: What grade of lock should I install
A: Grade 1 for maximum security, Grade 2 for residential use
Q: Can I install a lock on a hollow door
A: Yes, but may require special hardware or door reinforcement