ELECTRO-HYRDRAULIC CLUTCH ACTUATOR (ECHA)

The clutch servo is a pneumatically-assisted clutch-actuation device, an essential component of the clutch system on heavy goods vehicles. Having the function to “amplify” the clutch pedal force by using air from the vehicle’s compressed air system during the clutch disengagement process.

The clutch servo is controlled hydraulically by the clutch master cylinder and operates the clutch mechanically via a lever system.