l lock metal door

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The G-Series lockset was discontinued in 1981, and all service parts for the G-Series lock were discontinued in 1985. 
 The current interconnect lock, S200 series (available in levers only), will not fit into the same door preparation.
There are several Schlage and/or Falcon locks that have been tested and approved for this application. For Commercial use the locks have been tested and approved as assemblies wit...
The 5100 electric strikes are for use with cylindrical locks only.  Instead use the following:6211 electric strike is used with mortise lock without deadbolt on a new single door, hollow ...
DISCONTINUED: The Falcon T lock had a reinforcement kit for a 1 3/4" thick hollow metal door that prevents lateral movement of the latch. It is a piece of hard foam shaped like a doughnut...
Thermal Bow is a temporary condition which occurs in metal doors mainly due to the temperature differential from one side of the door to the other. This may occur in exterior doors when direct sun ...
The L9000 lock can be ordered for doors greater than 1 3/4" thick.  The allowable door thickness is dependent on the L lock function and how the lock is extended.  All locks for exte...
The standard L9000 lock can be ordered for thin doors (1 3/8") and the appropriate parts will be shipped.  The LV9000, L400, LM9000, Anti-Ligature, and N escutcheon trims a...
The square block is probably the springcage assembly, L283-040.  This component has an internal spring to keep the lever in the horizontal position.
See image, ANSI A115.1 Mortise Lock PrepThis door prep requires the N escutcheon with the L283-029 spacer kit to keep the springcage from falling into the door.  Spacer kits are...
To remove the Schlage L Series from a door reference the appropriate installation instructions found here at https://us.allegion.com/en/home.html
The L Series lock can fit into a door prepped for the SCHLAGE K Series with some additional prep as described here.  
K and L trim and parts are not interchangeable. 
The Schlage L-Series mortise lock spindle and spring part number can be found in the Table 1.     Spindles and Springs   Part Number  Description  L283-060 Spindle and spring, 1...
Click on the applicable Schlage G Series link below for template information. Wood Template 1 1/8" x 4 1/4" Radius Wood Template 1 1/8" x 4 1/4" Square Wood Template 1 1/4" x 8"Metal Templ...
The Schlage L0170 is not available with the L escutcheon design because due to the narrow size you cannot fit the mounting plate underneath.  The mounting plate must sit on a "diamon...