W42.10-1081-07
2 Box wrench
3 Retaining bracket
4 Washer
7 Brake pad
8 Brake caliper
5 Spring cotter
6 Pin
| Remove | ||
1 | Remove wheel | ||
2 | Release parking brake | The reservoir pressure of the service brake must be at least 8 bar. | |
3 | Check adjuster | ||
4 | Remove spring cotter (5) and washer (4). | ||
5 | Remove pin (6). | Pre-tension retaining bracket (3) for this step. | |
6 | Remove retaining bracket (3). | ||
7 | Turn adjuster with box wrench (2) until brake pads (7) can be removed. | Turn counterclockwise. Only use a box wrench (2) for turning. The overload clutch in the adjuster produces a clicking noise when turning. The torque occurring when turning must not exceed 30 Nm. | |
A removable adapter on the adjuster incorporates a predetermined fracture point designed to protect the adjuster; this shears off the adapter when the permissible torque is exceeded. If the adapter shears, determine and rectify the cause. | |||
8 | Remove brake pads (7). | ||
| Notes on evaluating brake pads | Model 375, 613, 930, 932, 933, 934, 944, 950, 952, 953, 954, 957, 970, 972, 974, 975, 976 with disk brake | |
9 | Clean brake recess and guide surfaces of brake pads (7). | Contamination and corrosion cause the brake pads (7) to seize and affect the function of the brakes. | |
10 | Check run-flat support areas for brake pads (7) on brake carrier. | The brake carrier with brake caliper (8) must be replaced if the run-flat support areas have grooves deeper than 0.5 mm. | |
11 | Check bellows on thrust pieces | ||
12 | Check brake caliper guide | ||
| Install | ||
13 | Install brake pads (7) | ||
14 | Check adjuster | ||
15 | Adjust clearance of disk brake | ||
16 | Install and pre-tension retaining bracket (3) and install pin (6). | The collar of the pin (6) must point upwards. | |
17 | Install washer (4) and spring cotter (5). | ||
18 | Mount wheel |