Locate the main shutoff valve on your irrigation system. It is between the main water supply to your home and the sprinkler controller. Alternately, the main shutoff is located outdoors near a faucet bib. The main valve may be in a box in this area to protect it from the elements.
If manual cleaning is not performed immediately, instruments should be placed into a container and soaked with a detergent, a disinfectant/detergent, or an enzymatic cleaner to prevent drying of patient material and make manual cleaning easier and less time consuming.
Prepping The Brass For Cleaning. 1  1. Determine if the piece you want to clean is actually brass. Hold a household magnet near the brass piece, and see if it is magnetically attracted to the brass. 2  2. Determine if the piece you want to clean should be cleaned.