1. Thoroughly heat the part to Cherry Red in color. Be sure the part or section of the part to be hardened is completely heated for best results.
2. Coat part in Cherry Red compound. Cover all surfaces t0 be hardened. Compound will blister and harden. Reheat part to Cherry Red color.
3. Quench in water, oil or let cool and brush off excess compound. Cherry Red is water soluble and excess can be removed with water and a little brushing.