AR25.20-W-0300B | Clutch servo unit removal and installation | 5.5.06 |
MODEL 375.1, 970, 972, 975, 974, 976, 1.3.00 except CODE (IY2) Hydraulic fluid as per sheet 345.0
with central clutch release bearing and clutch booster
MODEL , 958.0, , , , , except CODE (IY2) Hydraulic fluid as per sheet 345.0
with central clutch release bearing and clutch booster
MODEL 375.3, 950.56, 952.5, 6, 953.6, 954.5, 1.3.00 except CODE (IY2) Hydraulic fluid as per sheet 345.0
with central clutch release bearing and clutch booster
MODEL , 958.2, , , , , except CODE (IY2) Hydraulic fluid as per sheet 345.0
with central clutch release bearing and clutch booster
W25.20-1075-12
1 Hydraulic line (to central clutch release bearing)
2 Hydraulic line (from master cylinder)
3 Bracket
4 Compressed-air line
5 Clutch servo assistance
Modification notes
| Remove/install | ||
Danger! | Risk of poisoning caused by swallowing brake fluid. Risk of injury caused by brake fluid coming into contact with skin and eyes. | Pour brake fluid only into suitable and appropriately marked containers. Wear protective clothing and eye protection when handling brake fluid. | |
| Notes on handling brake fluid | ||
1 | Drain reservoir pressure of compressed air system | ||
2 | Separate wire ties on the hydraulic lines (1 and 2) and on the compressed-air line (4). | Installation: Install new tie straps. | |
3 | Detach hydraulic line (1) from clutch booster (5) | Collect escaping brake fluid using a suitable container. | |
Installation: Replace sealing rings. | |||
4 | Detach hydraulic line (2) from bracket (3) and clutch booster (5) | Collect escaping brake fluid using a suitable container. | |
Installation: Replace sealing rings. | |||
5 | Disconnect compressed-air line (4) from clutch booster (5). | Installation: Replace sealing ring. | |
6 | Remove clutch servo unit (5) together with bracket (3). | ||
7 | Detach bracket (3) from clutch booster (5) | Only if the clutch booster (5) is replaced. | |
8 | Install in the reverse order | ||
9 | Bleed clutch operating system |