CML Safe & Vault Servicing Flashcards

What is the first step a CML technician should take when a customer reports a safe with an unknown combination?

Answer: Verify ownership documentation before attempting any entry

Verifying ownership documentation protects the locksmith from liability and ensures legal authorization before any entry attempt.

Which safe lock type uses a relocker mechanism that activates when the glass plate is broken?

Answer: Glass relocker

A glass relocker is a secondary locking mechanism that triggers when an intruder attempts to drill or punch through the lock area.

What UL rating is required for a safe to be classified as TL-15?

Answer: Withstands 15 minutes of attack with common and electric tools

UL TL-15 means the safe resists 15 net working minutes of attack using common hand tools, electrical tools, and picking tools.

When drilling a safe, which area is typically targeted to bypass the combination lock?

Answer: The drill point above the dial to access the lock lever pack

Drilling above the dial provides access to the lock's lever pack or wheel pack, allowing the technician to view and align the gates.

A Group 2 combination lock differs from a Group 1 lock primarily in that it:

Answer: Offers lower manipulation resistance under UL standards

Group 2 locks meet a lower UL standard for manipulation resistance compared to Group 1 locks, which require significantly more time to manipulate.

What is 'scoping' in the context of safe servicing?

Answer: Using a borescope or fiber optic camera through a drill hole to view internal components

Scoping involves inserting a borescope through a small drill hole to visually inspect the lock's internal wheel gates and alignment.