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double cylinder lock
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RELATED FAQS
Question
Answer
How do I remove an X lock from the door?
Resolution:
To disassemble an X lock, remove the inside knob and unscrew the inside collar and rose. The X lock spanner wrench (012172-000-30) can be used to depress the knob catch as well as tighten/loo...:
Available kits to convert classroom mortise locks to classroom security locks.
Resolution:
Schlage has conversion kits to convert the classroom L/LV9070 to the classroom security L/LV9071 and the classroom holdback L/LV9076 to the classroom security holdback L/LV9077. The...:
What is a mechanical Lock?
Resolution:
A lock is any device which prevents access or use by requiring special knowledge or equipment. Mechanical locks are mechanical devices which secure an opening by keeping a door closed until a rel...:
How does the 98-2 or 99-2 double cylinder function affect the outside lever trim?
Resolution:
Double cylinder (-2 or -2SI) features an inside key cylinder which locks or unlocks the outside trim and an outside key cylinder which retracts the latch bolt only (Night latch function). Thi...:
How to convert a ND series lock cylinder format from PD to BD?
Resolution:
On ND locks manufactured prior to January 30, 2017, the lever, spring cage and tailpiece needed to be replaced with the SFIC lever, SFIC spring cage and the SFIC driver . N123-056 - Outside sp...:
Can you add double cylinder to an existing 99 rim device?
Resolution:
The 98/99 rim device can be converted to double cylinder 98-2 or 99-2. Double cylinder features an inside key cylinder which locks or unlocks the outside trim (Classroom Function) and an outside...:
What does the hotel indicator look like for the A, AL, D, and ND?
Resolution:
The indicator on a cylindrical hotel lock is a small pin that projects outward from the face of the cylinder plug (Figure 1) when the inside push button is depressed. When this pin is ...:
What cylinder is used for the Von Duprin -2 double cylinder function?
Resolution:
The 98/99 rim device can be converted to double cylinder 98-2 or 99-2.Double cylinder features an inside key cylinder which locks or unlocks the outside trim (Classroom Function) and an&n...:
Why does my 7500 retract the latch bolt but not re-lock the trim?
Resolution:
Tips for changing the function: The NL Drive screw will not be visible when lock body is set to Classroom function There is locktite on the screw that makes it seem like its turned down enou...:
What type of core will a lock with the cylinder suffix "J" accept?
Resolution:
The full size interchangeable cores or FSIC from Schlage.:
Explain the function for the L9485.
Resolution:
L9485: Latchbolt retracted by key outside or by knob/lever inside. Outside knob/lever always fixed. Deadbolt thrown or retracted by inside thumbturn. When deadbolt is thrown, all keys become ino...:
Why does my AD or CO series lock unlock when the lever is raised?
Resolution:
Installers have reported that their AD-CO Series cylindrical or mortise locks will unlock whenever the outside lever is lifted. This will occur if the outside spindle (square post) is install...:
How to remove a double cylinder deadbolt?
Resolution:
Schlage and Falcon double cylinder deadbolts have concealed screws to prevent tampering. The two methods used to conceal the thru-bolts are using screw caps or a faceplate. Use the below instructio...:
What are the part numbers for the ND lock spring cages?
Resolution:
ND-series locks manufactured before January 30, 2017 used the following spring cages::