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 ...
This is in regards to the California State Reference Code, (Formerly Title 19, California State Fire Marshal Standard) stating that all levers with returns comply; levers must return to within 1/2"...
The old D series springcage part numbers are as follows:
C303-035 - Inside Springcage
C303-036 - Outside Springcage
These parts are no longer available.