[header] How to change a soft drink fountain syrup bib [title] Locate bib (bag-in-box) connected to the fountain tube. [title] Determine if the bib is actually empty. [substeps] Sometimes air will get caught in the tube and it will appear to be out of syrup when it really isn't. 
[title] If ready to replace, locate replacement bib. [substeps] Check with your employer whether to empty the box completely before replacing or if it should be replaced before it is completely used.