The Hydraulic Throwout Bearing, also known as a hydraulic slave cylinder or push slave cylinder, is an important part of the clutch system in modern manual transmission vehicles. It is a hydraulic device used to control clutch engagement and disengagement, replacing traditional mechanical throwout bearings and slave cylinders through hydraulic principles to provide smoother, more precise clutch operation.

Hydraulic Throwing Bearing Basic Principle

The operating principle of the hydraulic throwout bearing is based on the transfer of pressure from hydraulic fluid. When the driver depresses the clutch pedal, hydraulic fluid is pumped into the throwout bearing, pushing the piston inside. The movement of the piston, either through a connecting rod or directly on the clutch release fork, separates the clutch disc from the flywheel, thus disconnecting the engine from the drivetrain. When the pedal is released, the hydraulic fluid returns to the tank and the clutch re-engages, resuming power transmission.

Advantages of hydraulic throwaway bearings

- Simplified System: The hydraulic throwout bearing integrates the original clutch fork, slave cylinder, throwout bearing and ball head components into one compact system, reducing the need for maintenance and adjustments.

- Smooth Operation: Hydraulic throwout bearings provide smoother, more precise clutch control than traditional mechanical throwout bearings, reducing clutch pedal force and improving driving comfort.

- Vibration Absorption: The hydraulic system can better absorb vibration and shock, extending the life of the clutch system.

- Wide range of applications: Hydraulic throwout bearings are not only used in automobiles, but are also widely used in heavy machinery and equipment, such as excavators, tractors and loaders, to adapt to high loads and complex working environments.

 Hydraulic Throw Bearing Structure and Composition

Hydraulic throw bearings usually include an internal piston, hydraulic oil chamber, seals and connecting interface. The movement of the piston is driven by the pressure of the hydraulic fluid, while the seals ensure that the hydraulic fluid is sealed against leakage. The connection interface is used to connect the hydraulic lines to the clutch release mechanism.

Hydraulic Throw Bearing Maintenance and Repair

In order to ensure the proper functioning of the hydraulic throw bearing, it is necessary to regularly check the cleanliness and level of the hydraulic oil, as well as to check the wear and tear of the throw bearing and related components. Regularly changing the hydraulic fluid and checking the condition of the hydraulic throw bearing, in accordance with vehicle usage and manufacturer's recommendations, will extend the life of the clutch system and ensure its optimum performance.

The introduction of the hydraulic throwout bearing marks a significant advancement in clutch system design, which not only improves the driving experience, but also simplifies the maintenance process, and is one of the most important achievements in the development of modern vehicle technology.

Hydraulic throwout bearing install

The installation of the Hydraulic Throwout Bearing is a critical step in ensuring the proper functioning of the clutch system. A correct installation process will avoid unnecessary wear and failure and extend the life of the clutch system. The following are general steps and precautions for the installation of hydraulic throwout bearings:

Preparation before hydraulic throwout bearing installation

1. Tool Preparation: Make sure you have all the necessary tools, including but not limited to wrenches, screwdrivers, hydraulic fluid, cleaner, sealant (if required) and any specialized tools specific to your vehicle.

2. Work Environment: Select a clean, well-lit and well-ventilated work area. Make sure the vehicle is in a safe condition and use jacks and stands to hold the vehicle stable and prevent accidental movement.

3. Remove old parts: Before you begin installing the new hydraulic throwout bearing, you will need to remove the old throwout bearing and related parts. This may include clutch release forks, slave cylinders, etc. During disassembly, take care to document the location and orientation of each component for proper reinstallation.

4. CLEANING: Thoroughly clean the clutch housing and all associated surfaces to remove any dirt, oil or old sealing material before installing new parts. Use appropriate cleaners and cloths for cleaning.

Hydraulic Throw Bearing Installation Procedure

1. Inspect the new part: Before installation, inspect the integrity and function of the new hydraulic throwout bearing. Make sure there is no damage or defects and that all seals and o-rings are intact.

2. Apply sealant: If the manufacturer recommends the use of sealant, apply it evenly to the contact surfaces of the hydraulic throw bearing to ensure a good seal.

3. Install the hydraulic throwout bearing: Carefully install the new hydraulic throwout bearing into the clutch housing, making sure it is properly aligned and securely fastened. Use the proper fasteners and torque values and install according to the manufacturer's instructions.

4. Connect Hydraulic Lines: Connect the hydraulic lines to the hydraulic throwout bearing, making sure the connections are tight and leak free. Secure lines with clamps or clamps to prevent vibration and movement.

5. FILL HYDRAULIC FLUID: Before starting the vehicle, add hydraulic fluid to the system through the clutch master cylinder until the proper level is reached. Make sure the hydraulic fluid meets the manufacturer's specifications.

6. Bleeding: Perform a hydraulic throwout bearing bleed to remove air from the system. This usually involves repeatedly depressing the clutch pedal until there are no air bubbles in the hydraulic fluid exiting the hydraulic throw bearing's vent.

7. Test: After completing the installation and venting, start the vehicle and test the clutch operation. Make sure the clutch pedal feels firm and the clutch disengages and engages smoothly.

Caution.

- Follow the manufacturer's instructions and recommendations in the vehicle owner's manual throughout the installation process.

- Ensure that all components are installed correctly and avoid over-tightening or using incorrect fasteners.

- Before starting the vehicle, check all connections and seals for leaks.

- Seek the assistance of a professional mechanic if you encounter any problems or are unsure of the steps to be taken during installation.

By following the above steps and precautions, you can properly install the hydraulic throwout bearing to ensure proper operation of the clutch system and drivability of your vehicle.