Disconnect and remove the upper return spring (A).
Remove the adjuster assembly (B).
Disconnect and remove the lower return spring (A).
Remove the parking brake lever assembly (A), and disconnect it from the parking brake cable end (B).
Remove the tension pins (A) by pushing respective retainer spring (B) and turning the pin.
Remove the parking brake shoes (C).
Reassembly
Apply Solvest 113 grease to the shoe ends (A), sliding surfaces (B), and opposite edges of the parking brake shoe (C) as shown. Wipe off any excess. Keep grease off the brake linings.
Reinstall the tension pins (A) and retainer springs (B).
Connect the parking brake cable end (A) to the parking brake lever assembly (B), and install the parking brake lever assembly.
Reinstall the lower return spring (A).
Clean the threaded portions of the clevis A, and coat the threads of the clevis with grease. Clean the sliding surface of the clevis B, and coat the sliding surface of the clevis B with grease. Install the clevis A and B on the adjuster (C) and shorten the clevis A by turning the adjuster.
Position the brake shoe adjuster assembly (D) on the parking brake shoes.