If your Von Duprin EL (solenoid) device pulls and releases quickly instead of holding the latch retracted, please check all of the items below.In most cases, one or more of these solutions will r...
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...