Clutch servo unit removal and installation

AR25.20-T-0300CA

Clutch servo unit removal and installation

6.6.02

 

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.

AS42.50-Z-0001-01A

1

Release compressed air from ancillary consumer circuit

 Use the drain valve on the ancillary consumer reservoir to do this.

2

Detach lower engine compartment paneling

 Only perform the steps necessary for removing the engine compartment paneling under the transmission.

AR61.20-T-1105CA

3

Disconnect electrical connector on clutch release travel sensor (1)

 Installation: When replacing the clutch booster (3) or parts of the clutch, the clutch release travel must be newly stored in the drive control (FR) control unit.

4

Detach clutch operator hydraulic line (2) from the clutch booster (3)

 Collect escaping fluid with a suitable container.



Notes on handling brake fluid

All models

AH42.50-P-0001-01A

5

Detach compressed-air connector of clutch booster pneumatic line (4) from clutch booster (3)

On "VOSS 230" compressed-air connector.

AR42.10-W-0900A

On "VOSS 232" (NG 8, NG 12) or "Schäfer SDF" (NG 6) compressed-air connector.

AR42.10-W-0900C

6

Detach clutch booster (3) from transmission

 The clutch booster (3) is secured with two bolts.

 Installation: Ensure that the plunger is seated correctly in the clutch booster (3).

7

Install in the reverse order

8

Bleed clutch operating system



Clutch actuation - replace brake fluid

AP25.20-T-2981CA



Notes on handling brake fluid

All models

AH42.50-P-0001-01A

9

Perform function test on clutch