Fig. 28.
Q. How should gas-check pads be adjusted before firing?
A. First: Close the breech.
Second: Loosen spindle and locking-nuts.
Third: Rotate block half-way.
Fourth: Tighten spindle and locking-nuts in the usual manner, rotate the breech-block home, and pad is adjusted.
Q. How far should a projectile be rammed?
A. Until the zero of the brass ring on the rammer comes flush with the face of the breech-plate. (See Fig. 29.)