I've seen some hideously tight screws in grips b4..almost made me weap when I consider the price of solenoids....yes it's happened to me with a marker I purchased an Egor '6...there are silver marks from screws but none have caused a hole in the solenoid, there is no gas leaking at all, the marks are quite substantial and I have only removed the grip frame once to put in a fresh battery as suggested above as I had no reason to before
Even a dent could affect the movement,like a car with sticking brakes as soon as it starts moving it's ok,just the inital start is impaired.
Service the solenoid as a last resort it's not hard follow the manual.
G..L>>