SINOTRUCK HOWO 371 HOWO A7 Truck Clutch Booster Cylinder WG9725230041

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SINOTRUCK HOWO 371 HOWO A7 Truck Clutch Booster Cylinder WG9725230041

Symptoms include a stiff clutch pedal, inability to depress the pedal, loss of power assist, oil/air leaks, and incomplete clutch disengagement. If these problems occur, it is generally recommended to inspect or replace the power assist cylinder.

Function

1. Main Power Assist and Force Reduction Function:Through a combined pneumatic and hydraulic amplification mechanism, the immense force required to depress the clutch pedal is significantly reduced, greatly alleviating leg and foot fatigue during long-distance driving and frequent starts and gear shifts. This improves operational comfort, reduces driver workload, and enhances overall driving safety.

2. Power Transmission and Mechanical Execution Function:Upon receiving the hydraulic signal from the clutch master cylinder, hydraulic oil inside the power assist cylinder pushes the piston, while compressed air from the vehicle acts on the power piston, generating a powerful thrust. The push rod directly pushes the clutch release fork, driving the release bearing forward and the pressure plate to separate, thereby cutting off power transmission from the engine to the transmission.

3. Precise Follow-up Control and Response Function:The built-in control valve automatically adjusts the pneumatic assist ratio based on pedal pressure, speed, and operating conditions, achieving a "follow-up assist" characteristic. This ensures complete clutch disengagement and smooth engagement, resulting in smoother gear shifts and more stable starts, adapting to various scenarios such as urban congestion, highway cruising, and complex road conditions in mining areas.

4. Safety fault tolerance and failure protection function: When the power assist system completely fails, the pure hydraulic channel is still maintained, and the driver can operate the clutch manually to prevent incomplete clutch disengagement, engagement shock or power interruption caused by power assist failure; it is linked with the vehicle's air supply, and automatically reduces power assist or provides an instrument alarm when the air pressure is abnormal, reducing the safety risks caused by improper operation.

DETAILS

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