Final answer:
The specific torque value for installing a repacked hub is not provided and can vary, but involves initially torquing the nut while turning the hub counterclockwise, then loosening and hand-tightening it for proper bearing preload adjustment.
Step-by-step explanation:
When installing a repacked hub, the specific torque to initially apply to the nut cannot be given without further context, as it varies depending on the vehicle's specifications and the bearing type. Generally, maintenance manuals would specify the required torque value for this process. The procedure involves torquing the nut to a specified value while turning the hub counterclockwise, possibly to help seat the bearings properly. After this, the nut is loosened by 1/2 turn and then hand-tightened, which is typically done to adjust the preload on the bearings and ensure they are not overly tight, allowing them to operate smoothly without excessive friction.