Can I use alcohol wipes to clean the breast shield assembly? Natalie March 21, 2017 00:35 Follow It is best to use warm water and soap to clean your breast shield assembly as it will not leave any residue. Related articles Do you offer a travel bag? Do I need to boil the parts every day? How frequently do I need to replace my breast pump parts? How does altitude affect the pump’s fluid level or efficiency? How do I maintain the valve? Comments 0 comments Article is closed for comments.