1 | Camshaft |
2 | Brake pads |
3 | Brake drum |
4 | Disassembly screws |
5 | Wheel hub |
B42.10-0483-12
| Remove/install | ||
1 | Remove the wheels | ||
2 | Release the combination cylinder | ||
In case of lack of air in the system, release the parking brake mechanically. | |||
3 | Release the brake shoes by pulling back until the "S" on the camshaft (1) stands on "zero" | Installation: Set the mechanical adjuster and control the automatic adjuster. | |
On vehicles fitted with automatic adjuster, a little effort is required to release the adjuster mechanical setting screw, upon which a characteristic ratchet noise can be heard. | |||
4 | Mark the brake drum (3) and wheel hub (5) position | Installation: Assemble the brake drum (3) so that it matches the previously-made marking. | |
5 | Remove the brake drum (3) by pressing the three disassembly screws (4) | Tighten the screws (4) diagonally until the drum (5) is removed. | |
6 | Clean the drum (3) and the brake pads (2) | ||
7 | Check the drum (3) and the brake pads (2) for wear | The brake drums should be rectified or replaced always in pairs (of same axle and of both sides). If they are rectified, the same dimension must mandatorily be used for both. | |
As required, rectify the drums (3) to a greater diameter and if it exceeds the maximum allowed dimension, replace them: | |||
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Check the brake drum and the brake linings for wear. | |||
Grind the brake drum | |||
8 | Install in reverse order |