SINOTRUK clutch booster cyllinder WG9725230041

Description

HOWO clutch booster cyllinder WG9725230041 introduce:

The clutch booster cyllinder WG9725230041 also known as the clutch booster, is an important component of the clutch control system in HOWO heavy trucks. It is used to reduce the force required by the driver to engage the clutch, making the gear shifting process easier. It utilizes both an air cylinder and an oil cylinder, and operates through air pressure to provide assistance, making the clutch operation more effortless and less strenuous, thereby enhancing driving comfort.

The functions of HOWO clutch booster cyllinder WG9725230041:

• Helping function: Utilizing air pressure or hydraulic pressure to amplify the driver’s pedal force, reducing operational fatigue.
• Smooth disengagement: Ensuring the clutch pressure plate disengages smoothly to avoid shifting shock.
• Quick return: After shifting, the booster cylinder pushes the clutch to return quickly, reducing wear.

The structure of HOWO clutch booster cyllinder WG9725230041:

The clutch booster cyllinder WG9725230041 is a combined structure of an oil cylinder and a hydraulic cylinder. Its design integrates the principles of hydraulic and pneumatic transmission. It contains components such as the main cylinder piston, the auxiliary piston, and the cylinder valves. On the outside, there are oil pipe interfaces connected to the clutch master pump and air pipe interfaces connected to the air reservoir.

Core components inside:

1. Main cylinder piston: Located in the hydraulic chamber, it is connected to the oil inlet. When the clutch master pump outputs hydraulic oil, the hydraulic pressure drives this piston to move, directly causing the push rod to initiate movement and triggering the pneumatic assistance mechanism.
2. Pneumatic control piston: One side is in contact with the hydraulic chamber, and the other side is adjacent to the air chamber. It serves as the “bridge” connecting the hydraulic and pneumatic systems. When the hydraulic piston moves, its thrust is transmitted to the auxiliary piston, prompting the intake valve in the air chamber to open, allowing compressed air to enter the air chamber.
3. Intake valve: Controls the passage for compressed air to enter the air chamber. It is controlled by the switch of the auxiliary piston (opened when hydraulic pressure is applied, closed when there is no hydraulic pressure).
4. Exhaust valve: When the clutch pedal is released, the compressed air in the air chamber is expelled through the exhaust valve, allowing the pneumatic piston to return to its original position.
5. Return spring: Installed at the end of the pneumatic piston or the push rod, it pushes the piston and the push rod back to the initial position when hydraulic and pneumatic forces disappear, ensuring the clutch engagement.
6. Valve spring: Assists in closing the intake valve and exhaust valve, ensuring the sealing of the air path.
7. Sealing components: Include piston seals, chamber isolation seals, etc., used to prevent hydraulic oil from leaking into the air chamber or compressed air from leaking out, which are key wear-prone components ensuring the normal operation of the booster cylinder.

HOWO clutch booster cyllinder WG9725230041 Common Faults and Maintenance:

Maintenance and replacement suggestions for HOWO clutch booster cyllinder WG9725230041:

1. Regularly check if the air pipe/ oil pipe is aged or leaking. If the clutch becomes heavier or shifting becomes difficult, check first if the booster cylinder is leaking or stuck.
2. Test the force of the clutch pedal to ensure it is normal. In case of air leakage, failure of the booster, or the push rod not returning to its original position, it is necessary to replace it promptly.
3. Ensure the air passage is unobstructed and the seal is good. It is recommended to replace with the original factory part or a high-quality aftermarket part to avoid frequent failures.