Brake Shoe: Service and Repair
REMOVAL
1. Raise the vehicle and support with suitable safety stands.
2. Remove wheel and tire assembly (1).
3. Remove Drum (2).
- If difficulty is encountered in removing the drum:
- Mark the position of the drum to the axle.
- Make sure the parking brake is released.
- Use a rubber mallet to tap gently on the outer rim of the drum and/or around the inner drum. Be careful to avoid damaging the drum.
4. Remove upper (other) return spring (6) and auto adjuster lever.
5. Remove lower return spring (5).
6. Remove hold-down spring and cups (4) and hold-down pin (15).
7. Remove adjuster assembly (12)
8. Remove leading shoe assembly (8) with upper (inner) return spring (9).
NOTE: Do not over stretch the return spring.
9. Remove upper (inner) return spring (9).
10. Remove hold-down spring and cup (3) and hold-down pin (16).
11. Remove Trailing shoe assembly (7) with parking brake lever (16).
12. Remove parking brake cable from parking brake lever (11).
13. Remove retainer (14), wave washer (13), and parking brake lever (11).
BRAKE LINING INSPECTION
Check the shoe assemblies for wear by removing brake drum.
Replace the shoe assemblies, if lining thickness is less than 1.0 mm (0.039 inch).
The shoe assemblies have a wear indicator that makes a noise when the linings wear to a degree where replacement required.
Minimum limit: 1.0 mm (0.039 inch)
INSTALLATION
1. Apply grease lightly to back place A.
2. Install parking brake lever (11), wave washer (13), and retainer (14).
3. Install trailing shoe assembly (7) with parking brake lever (16).
4. Install the parking brake cable to parking brake lever (11).
5. Install hold-down pin (16) and hold-down spring and cup (3).
6. Install upper (inner) return spring (9).
7. Install leading shoe assembly (8) with upper (inner) return spring (9).
NOTE: Do not over stretch the return spring.
8. Install adjuster assembly (12).
9. Install hold-down pin (15) and hold-down spring and cups (4).
10. Install lower return spring (5).
- Use brake spring tool.
11. Install auto adjuster lever (10).
12. Install upper (outer) return spring (6).
- Use brake spring tool.
13. Install brake drum (2).
- Adjust the brakes.
14. Install wheel and tire assembly (1).