I think you can just remove the hand and set it at zero when in reset position. If that doesn't do it there's a laundry list of potential issues, on which books have been written. Try that and if you still have a problem it can be addressed.
Thanks. Not broken, the balance cock spring is identical. Huge ping hazard though. These function very much like the usual Incabloc springs in that you release the legs and then lift the spring out of the housing. Thanks,