Delay Node Not working properly

HI eveyone,

For FPS game i have simple reloading setup with delay node and boolean for animation to work and works with delay of 1.2 sec or below 1.2 sec but above 1.2 sec not working.
In setup there is nothing but changing boolean value.

I even tried with timer by event and timer by function but no luck

I have attached image of my setup.