B42.10-0464-08
1 | Brake plate | 11 | Top winding spring | |
2 | Wheel brake cylinder | 12 | Clamping shank | |
3 | Primary shoe | 13 | Spring plate | |
4 | Secondary shoe | 14 | Retaining spring | |
5 | Brake lining | 15 | Lever | |
6 | Governor | 16 | Pins | |
7 | Lower winding spring | 17 | Pressure bar | |
8 | Diagonal winding spring | 18 | Parking brake lever | |
9 | Diagonal winding spring | 19 | Screws | |
10 | Top winding spring | 20 | Parking brake lever |
Topical note | Notes on repairs to brake system | . | |
| Remove/install | ||
1 | Place the vehicle on an appropriate place, preferably a level place, that allows working safely. | ||
2 | Slightly loosen the wheel nuts without removing them. | ||
Danger | Risk of death caused by improper lifting of cab. Risk of injury caused by body parts being trapped and crushed when lowering cab | Only used approved lifting cradles. Ensure that the mounts are securely seated. Stay out from underneath a hanging cab.. | |
3 | Lift the vehicle | Support the vehicle on trestles conveniently arranged under the chassis, on both sides, so as to enable removing the wheels and work on the brakes in a safe manner. | |
4 | Remove the wheels |
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5 | Remove the brake drum |
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6 | Check the brake linings for wear | Whenever it is necessary to replace the linings, the complete set of linings must be replaced. | |
Before removing the brake shoes, mark them conveniently by identifying their assembly position so that, upon installation, they are mounted at the same position. | |||
Brake linings should be replaced whenever they show the following conditions: | |||
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Reach the minimum allowable thickness and indicated by the wear sensors; | |||
Show uneven wearing; | |||
If the linings are contaminated with oil, grease or brake fluid. | |||
7 | Disconnect the wear sensors from the brake shoes | Vehicles equipped with brake linings wear indicator. | |
8 | Release the diagonal winding springs (8) and (9) | ||
9 | Release the top and bottom winding springs (7), (10) and (11) | ||
10 | Remove the elastic fastener from the primary and secondary brake shoes (3) and (4) | Remove the retaining spring (14), the spring retainer (13), and move back the clamping shank (12). | |
11 | Remove the primary and secondary brake shoes (3) and (4) | ||
12 | Remove the elastic fastener from the parking brake lever (18) | Remove the retaining spring (14), the spring retainer (13), and move back the clamping shank (12). | |
13 | Extract the pin (16) from the parking brake lever (18) and the parking brake lever (18) | Release the pin retaining ring (16) and remove it. | |
14 | Uncouple the lever (18) of the parking brake cable (20) and remove the lever | ||
15 | Remove from the lever (15) the pin retaining ring (16) and remove the pressure bar (17) | ||
16 | Remove the fastening screws (19) from the parking brake cable (20) and remove the brake plate (1) cable | .Bolt that fastens the traction cable to the brake supports plate | |
17 | If the governor (6) shows any fault, remove it | | |
Installation: For the assembly of the governor, it is necessary to use either new microencapsulated screws or chemical lock. | |||
Auto Lock | |||
.Fastening bolt of the clearance regulator | |||
18 | Symmetrically adjust the governor (6) | .Automatic adjuster expansion measurement | |
| Check | ||
Topical note | Guidelines for cleaning brake linings | ||
19 | Inspect whether all the brake parts are in perfect condition | ||
20 | Inspect the contact surfaces of the primary and secondary shoes (3) and (4) and the brake retainer (1) | Installation: Appropriate sliding of the shoes on the brake retainer should be ensured (1). | |
Lubricate all the brake shoe mechanism contact points. | |||
Molykote paste HTP special lubricating grease | |||
21 | Install in reverse order |