Locksmith articles

Free Locksmith knowledge from the Manuall Trade Library: diagnostic trees, SOPs, estimating and pricing guidance, and the business side of running a shop. No account needed; read it, share it, put it to work.

129 articles

How-to Guide ServiceDelivery

Keypad and Card Reader Installation Technique

Locksmith

How-to Guide ServiceDelivery

Keyed-Alike System Programming Technique

Locksmith

How-to Guide ServiceDelivery

Key Duplication and Code Cutting Machine Technique

Locksmith

How-to Guide ServiceDelivery

Interchangeable Core System Installation Technique

Locksmith

How-to Guide Process

Impressioning Technique for Lost Keys

Locksmith

How-to Guide ServiceDelivery

High-Security Cylinder Installation Technique

Locksmith

How-to Guide ServiceDelivery

Exit Device and Panic Hardware Installation Technique

Locksmith

How-to Guide ServiceDelivery

Electronic Strike Installation Technique

Locksmith

How-to Guide Equipment

Car Key Programming and Transponder Keys

Locksmith

How-to Guide ServiceDelivery

Broken Key Extraction Technique by Lock Type

Locksmith

Troubleshooting Diagnostics

Hard Turn: Check Key vs Cylinder vs Strike First, Sequencing Decision Tree

Locksmith

Troubleshooting Diagnostics

Dead Access Control: Which Power Test First, Strike vs Supply vs Board Tree

Locksmith

Troubleshooting Diagnostics

Stuck Deadbolt Decision Tree

Locksmith

Troubleshooting Equipment

Springs Weak but Working: Replace Now vs Monitor Condition Decision Tree

Locksmith

Troubleshooting Electronic Locks

Smart Lock Loses All Programmed Codes After Battery Change: DIY-Induced Diagnosis

Locksmith

Troubleshooting Diagnostics

Smart Lock Jams Only In Cold: Motor vs Alignment vs Battery

Locksmith

Troubleshooting Diagnostics

Smart Lock Drains Battery Only in Winter After Install Decision Tree

Locksmith

Troubleshooting Operations

Several Locks Failing on One Account: Which First Triage Decision Tree

Locksmith

Troubleshooting Diagnostics

Rekeyed Lock Sticks Only in Cold After Pinning Decision Tree

Locksmith

Troubleshooting Diagnostics

Rekeyed Lock Binds On New Key: Pin vs Spring vs Wear

Locksmith

Troubleshooting Diagnostics

Rekey Pin Stack Pressure Feedback Decision Tree

Locksmith

Troubleshooting Padlock Mechanisms

Padlock Shackle Opens Freely but Won't Close: Mechanism Fault Decision Tree

Locksmith

Troubleshooting Diagnostics

New Smart Lock Won't Lock: Calibration vs Strike vs Alignment Commissioning Tree

Locksmith

Troubleshooting Mortise Locks

Mortise Lock Door Handle Drops 90 Degrees and Hangs Down Suddenly: Single-Observable Diagnosis

Locksmith

Troubleshooting Diagnostics

Mortise Fail Secure Versus Fail Safe After Replace Decision Tree

Locksmith

Troubleshooting Master Key Systems

Master Key or Submaster Fails One Door After Cylinder Service: Post-Service Regression Decision Tree

Locksmith

Troubleshooting Diagnostics

Lock Turns Fine on Bench but Not in Door: Bypass vs Normal Decision Tree

Locksmith

Troubleshooting Cylinder Maintenance

Exterior Lock Cylinder Corroded After Power Washing: DIY-Induced Fault Decision Tree

Locksmith

Troubleshooting Diagnostics

Key Works but Customer Says It Feels Wrong: Reading-In-Spec Decision Tree

Locksmith

Troubleshooting Diagnostics

Key Turns But Bolt Will Not Throw Only When Door Is Closed

Locksmith