mortise lock lever return spring positioning

RELATED FAQS

Question
Answer
The lever removal tool can be used to remove levers in both the ND and the L Series mortise locks.
On August 15, 2012 Schlage began shipping a new, more ergonomic, lever removal tool to coincide with Phase 1 of the ND-Series improvement project.  This tool can be used for Schlage ND-Series ...
The L9466 Store/Utility Room lock can provide this functionality. Operation: Latchbolt retracted by knob/lever either side. Deadbolt thrown or retracted by key from either side. When the deadbolt ...
The MA lock does not have Vandlgard or a breakaway trim feature, however, the lever spindle on the MA lock will shear if too much force is applied in order to prevent internal lock damage and resis...
The part number is the 09-402, specify the design and finish.
To convert the Von Duprin 9975NL(Night Latch or Storeroom) to 9975L (Classroom) exit function follow these steps (Note: the mortise lock is shipped as Night Latch from the factory): Turn the NL ...
To convert the Von Duprin 9975L to 9975NL exit function follow these steps (Note: the mortise lock is shipped as Night Latch from the factory): Turn the NL screw on 7500 mortise lock counter clo...
Levers may sag due to an incorrectly installed springcage or an incorrect springcage.Mortise locks with a fixed (rigid) lever such as an L9080 will use a spacer on the rigid lever (outside) and a s...
Falcon is reintroducing the lever return spring for the discontinued Falcon M mortise series.  Effective November 1, 2014 the lever return spring is now available for purchase with a list pric...
Issue: One or both levers don't stay horizontal and droop down.Facts: Falcon T series locks in a high use application.Cause: Weak or broken springs within the springcage.Solution: Replacement sprin...
See Falcon MA lever assembly below: The spring mechanism (E) returns the lever to horizontal.  The parts are not sold separate, so if the lever sags, the entire lever assembly shoul...
Lever assemblies part numbers are found in the Pricebook.  Note they are handed.
Only the lever return spring is available.
Related solution: What is the part number for the lever return spring for the old M series mortise lock?
These parts are no longer available.  For reference the spring part number is 4841 and the clip part number is 4326.
The springcage part number is L283-040.
You can order an L lock with a lever on one side and knob on the other as long as it's still rose by rose, or escutcheon by escutcheon (must be same style escutcheon). EXCEPTIONS: Knob trim on the...
Includes the SL1 lever on one side and the SK1 knob trim on the other side.
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...
Schlage offers a High, Medium, and Low risk HSLR ligature Resistant trim offering for the L9000 and ND locks, Data Sheet.Schlage offers a Low to Medium Risk SL1/SK1 ligature resistant trim for...
High Risk Areas*Patient bedroomIn-suite bathroomIn-suite closetTime-out roomPatient difficult to manage; or risk of solitary and/or unsupervised areas.Medium risk areas*Living roomDining roomGroup ...
The AL and ND locks are not available in any stainless steel finishes.  The only option is either the 626 satin chrome or 625 bright chrome.
ND locks shipping on or after January 30, 2017 will have redesign levers that will not work with the AD cylindrical locks.
Prior to January 30, 2017 the only AD levers that were the same as the ND are on the AD units with the cylindrical chassis style.The AD mortise, mortise deadbolt, or 993 exit trim, the le...
The old D series springcage part numbers are as follows: C303-035 - Inside Springcage C303-036 - Outside Springcage These parts are no longer available.
With the new FW package 2.19.0; AD300 FW 2.17.0 and AD400 FW 2.17.0 (released 09/23/2011) the firmware looks for a motor clutch switch change after a motor move command. If there is no motor clutch...
If the triangles in the spring cage spindle are not aligned properly the motor will not move enough to change the clutch switch. Is is very likely with a lock on the bench; but a properly install...
When the new firmware moves the motor three times without seeing the clutch switch change it reports to the SUS diagnostics that the motor is stalled. Aligning the triangles will let the motor move...
If the lock is mounted on the door, it is necessary to adjust the mortis/cylinder tightness and spring cage tailpiece alignments, making sure there is no binding or stopping of the spring...
Just align the triangles per the installation instructions to allow full motor movement.   - This will eliminate the SUS motor STALL report. - This will eliminate the three ...
Number of reasons could Von Duprin 55 or 88 series cross bar to sag. Attached are the reasons that could cause the cross bar to sag or not lift. The hinge case spring lifts both lever arms and t...
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...
At one time we offered a 9453 function in several different lever, knob and grip handleset designs. A wide variety of trim offerings were available. The mortise lockcase was a smaller version of th...
AL-Series and discontinued D Lever-Series locks use castle nuts to hold the chassis to the spring cages and to keep the chassis positioned in the door. This causes confusion at times when the lock ...
Cylindrical Locks: a bored lockset whose latch or bolt locking mechanism is contained in the portion installed through the cross-bore Medium, high to extra heavy duty Commercial, multi-family a...
To convert a Schlage mortise L9080 function to a L9070 function purchase and replace the following:   L283-133, L9070 lock case  L283-040, spring cage (for outside lever)
On ND locks manufactured on or after January 30, 2017 only the SFIC lever and SFIC driver are needed to convert the lock from Full Size conventional (PD) or Full Size IC (JD, RD, TD) prep to S...
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...
The blue lever tool remover, 24002693, is not shipped in every box. The existing wire spring lever removal tool will be included in every box.  
The JD YA6 tailpiece is intentionally designed such that the tailpiece cannot be installed at the same time as the cylinder.  Interchangeable cylinders assume that the lever and taipiece is in...
See the JD Yale Lever installation instruction HERE
The square block is probably the springcage assembly, L283-040.  This component has an internal spring to keep the lever in the horizontal position.