Lever Stroke

Adjust the shoe clearance before adjusting lever stroke. Ref. to PARKING BRAKE>Parking Brake Assembly (Rear Disc Brake)>ADJUSTMENT>SHOE CLEARANCE .
Release the claws, and then remove the boot - parking brake.

Fig 1: Removing Parking Brake Boot Claws
Courtesy of SUBARU OF AMERICA, INC.
Pull the lever assembly - hand brake hard 3 to 5 times.
Turn the adjusting nut (a) until the lever stroke is at the specified value.
Lever stroke:

7 to 8 notches when pulled with a force of 200 N (20.4 kgf, 45 lbf)

Fig 2: Identifying Adjusting Nut
Courtesy of SUBARU OF AMERICA, INC.
Check there is no parking brake drag.
Check that the brake warning light illuminates when the lever assembly - hand brake is operated.
NOTE: The light must illuminate when the first notch is reached after pulling the lever.
Install the boot - parking brake.