ALOA CMST flashcards
ALOA CMST · Build recall with a focused review session.
32 cards. Read the term and the definition here. The deck at the top of this page is optional.
- TL-15 rating
- A UL 687 burglary rating meaning the safe resists sophisticated tool attack for at least 15 minutes. It does not imply any fire rating.
- TRTL-30 rating
- A UL burglary rating combining torch and tool resistance for 30 minutes. The torch test uses an oxy-fuel cutting torch against the door and body.
- Fire class 350
- A UL fire rating meaning the interior stays below 350°F during the test. Paper chars near 405°F, so 350°F protects documents.
- Glass relocker
- A tempered glass plate wired to a spring-loaded bolt. If an attacker drills and breaks the glass, the bolt fires to block the boltwork.
- Active versus dead bolts
- Active bolts are driven by the lock or handle into the frame. Dead (passive) bolts are fixed and resist spreading but do not retract.
- Composite safe construction
- A steel inner and outer shell filled with concrete or fire-insulating material. The fill adds mass and fire resistance but is drillable.
- Floor safe security
- A floor safe's resistance depends on the surrounding concrete. The body may be light; installation depth and concrete strength set the real protection.
- Vault door anchorage
- A rated vault door protects only as well as its frame and wall. Grouting and anchor bolts transfer attack loads to the structure.
- Contact points defined
- Dial positions where the drive cam or fence first contacts a wheel. Manipulation begins by locating each wheel's contact points.
- Wheel order determination
- The sequence in which wheels are picked up by the drive cam. Identifying order lets the technician graph each wheel independently.
- Drop-in point
- The dial reading where a wheel's gate aligns with the fence. Graphing readings across contact points reveals the drop-in area.
- Dial tolerance
- The allowable deviation at the opening index, often ±1.5 to ±2.5 increments on Group 2 locks. Tolerance affects both opening and manipulation graphing.
- Scope hole
- A small drilled hole positioned to view the wheel pack. A borescope through it allows reading gate positions without destroying the lock.
- Hardplate
- A hardened steel or carbide plate inside the door that dulls drill bits. Defeat requires carbide tooling, a drill press, or a punch technique.
- Relocker defeat
- Pinning or bypassing a relocker before the primary lock is compromised. Manufacturer drill sheets identify relocker locations and safe drill points.
- Combination change verification
- After changing a combination, test the new number at least twice with the door open. This catches wheel or fly misassembly before closing.
- Group 2 lock
- A three-wheel mechanical combination lock meeting UL 768 Group 2 standards. It offers moderate manipulation resistance and is common on commercial safes.
- Group 1 lock
- A high-security mechanical combination lock with tight tolerances and strong manipulation resistance. Often paired with relockers and hardplate.
- Drive cam and flys
- The cam turned by the dial spindle, with flys that engage wheels in sequence. Incorrect fly orientation causes wrong wheel pickup and opening failure.
- Dial ring alignment
- The dial ring must be centered on the spindle and the index mark true. Misalignment causes offset readings and inconsistent combinations.
- Electronic lock battery
- Low battery is a common cause of electronic safe lock no-opens. Test and replace batteries before assuming a motor or solenoid failure.
- Time delay lockout
- A programmed delay before the lock opens. If it will not clear, suspect failed electronics or programming lockout rather than mechanical fault.
- Lock lubrication rule
- Use only the lubricant specified by the manufacturer. Oil in a dry-design lock attracts dust and gums the wheel pack.
- Opens only when open
- A lock that works with the door open but binds when closed points to boltwork binding, strike misalignment, or a sagging door, not the lock.
- Pre-service documentation
- Record the existing combination, wheel orientation, and boltwork condition before disassembly. This supports correct reassembly and resolves later disputes.
- Work order contents
- A written authorization listing make, model, serial, lock type, reported problem, and customer approval to open or drill before work starts.
- Drilling risk disclosure
- A signed statement warning that opening may destroy the lock and damage the safe. It limits liability and documents informed consent.
- Combination disclosure rule
- Release a combination only to the verified owner or authorized agent. Document the identity check used to confirm authorization.
- Abandoned safe lien
- Statutory rules let a technician recover costs from an unclaimed safe after notice. Notice periods and procedures vary by jurisdiction.
- Itemized invoicing
- Separate labor, parts, and drilling or repair on the invoice. Clear itemization reduces disputes and supports warranty claims.
- Contents confidentiality
- Inventory safe contents only with the customer present or with written permission. Observed contents are confidential business information.
- Insurance and bonding
- General liability usually excludes customer safe contents. Bonding and contents coverage protect the technician during opening and repair work.