Current through Register Vol. 54, No. 44, November 2, 2024
Section 9.80 - Forging and hot metal stamping(a) All hammers operated by steam, air, gravity or electricity shall be provided with positive locking devices so that when the ram is at the top or the bottom of its stroke, it cannot be accidentally moved.(b) Every steam and air hammer shall be provided with a stop valve in the admission pipe line, which shall be closed, prior to, and during the repair of the hammer or while changing dies.