from their website:

http://www.gotranzact.com/tranzact%20instructions%20pro%20brake.pdf

Intermediate band Adjustment; flex or hard
back, tighten to 75 inch lbs. then back off
1 3/4 turns on new band or 2 turns on used
band.

Rear band; tighten to 75 inch lbs. then back off 1 1/2 turns on new band or 1 3/4 turns on used
band.