As this is the Swyama Siddha Hanuman Mantra it doesn't have to become chanted for a fixed variety of Mantra Repetitions for having the ability to utilize it. Unique worship and rituals and principles with regards to course, sitting down mat, and counting rosary are usually not advised for chanting https://www.youtube.com/watch?v=ufkmD95y7fE&t=32s