WARNING: This page is about a different car, the 2002 Volvo C70, 2001 Volvo C70, 2000 Volvo C70, 1999 Volvo C70, and 1998 Volvo C70. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Identifying Parking Brake Shoes
Courtesy of VOLVO CARS OF NORTH AMERICA.
Install brake shoes on hub and install upper return spring.
Check that adjusting bolts are turned correctly as per the illustration above. The illustration is looking from outside.