B2600i 4WD, MPV 3.0L & 929
WARNING: This page is about a different car, the 1992 Mazda Navajo. However, it is still accessible from the selected car via links, so may be relevant.
Loosen lock nut on band adjusting bolt. See Fig 1 . Tighten bolt to 35-53 INCH lbs (4-6 N.m). Loosen band adjusting bolt 2 1/2 turns. Tighten lock nut to 23-31 ft. lbs. (31-42 N.m).