14:15. Replacement of brake shoes on back disk brakes

Brake shoes on back disk brakes

1 – cable of the parking brake and clip of fastening of a cable;
2 – connecting bolt;
3 – brake tube;
4 – the directing bolt;
5 – support;
6 – V-shaped spring;

7 – brake shoe;
8 – laying;
9 – the directing plate;
10 – bolt;
11 – holder of a support;
12 – support piston

Removal

PERFORMANCE ORDER
1. Remove a clip and disconnect a cable of the parking brake.
2. Turn out a connecting bolt of fastening of a brake tube to a support.
3. Press a back brake hose.
4. Turn out two directing bolts of fastening of a support.
5. Remove a support from a brake disk.
6. Remove two V-shaped springs of fastening of brake shoes.
7. Remove brake shoes, laying and the directing plates.
8. Turn out two bolts of fastening of the holder of a support.
9. Remove the holder of a support.

Check

PERFORMANCE ORDER
1. Measure thickness of brake shoes.

Thickness of brake shoes:
Nominal: 10,0 mm
Minimum admissible: 2,0 mm
2. Measure by the indicator of hour type a beating of a brake disk.

Maximum beating: 0,08 mm
3. Measure thickness of a brake disk.

Thickness of a brake disk:
Nominal: 10 mm
Minimum admissible: 8 mm

Installation

PERFORMANCE ORDER
1. Establish the holder of a support and fix it by two bolts.

Inhaling moment: 45–67 N • m
2. Establish the directing plates.
3. Establish brake shoes and laying and fix them by two V-shaped springs.
4. Special OK9A4 263 001 adaptation press the piston into a support in order that it was possible to establish a support on new brake shoes.
5. Tighten two directing bolts of fastening of a support.

Inhaling moment: 29–39 N • m
6. Connect a brake tube to a support and fix it by a connecting bolt.

Inhaling moment: 22–29 N • m
7. Establish a cable of the parking brake and fix it by a clip.
8. Remove air from a hydraulic contour of the brake system.
9. Check lack of leak of brake fluid.