As this can be a Swyama Siddha Hanuman Mantra it doesn't have to generally be chanted for a set number of Mantra Repetitions for with the ability to use it. Specific worship and rituals and rules regarding course, sitting mat, and counting rosary are not encouraged for chanting this Hanuman https://www.youtube.com/watch?v=ufkmD95y7fE&t=32s