SKF says this:
(see `VOA` procedure for 740 Volvos bet 1985-1990)
Tighten adjusting nut to 50 ft-lbs/68 Nm while
rotating wheel. Back off 1/3 turn. Loosen slightly
and install cotter pin.
http://www.vsm.skf.com/~/media/Files...ve/457377.ashx
(BUT for Volvo 760 1988-1990 it says `VOA`procedure with 102/140. )