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SHACMAN X3000/M3000 Clutch Booster Cylinder DZ93189230183
As a critical component of the hydraulic clutch actuation system, it is typically situated beneath the cab floor or near the transmission, where it functions in conjunction with the clutch master cylinder, hydraulic lines, release bearing, and other related components.
FUNCTION
1. Clutch Assistance: Significantly reduces the physical effort required for the driver to depress the clutch pedal. Given the high clamping force of heavy-duty truck clutch plates, depressing the pedal would be extremely strenuous without a power booster. This booster cylinder employs a combined hydraulic-pneumatic assistance mechanism to amplify the relatively small force applied by the driver, thereby enabling effortless clutch disengagement and engagement.
2. Enhanced Driving Comfort and Operational Convenience: Particularly well-suited for long-haul transport and scenarios involving frequent gear shifting, this component helps alleviate driver leg fatigue while improving the smoothness and efficiency of gear changes.
3. Auxiliary Clutch Control System Component: Serving as a critical actuating element within the hydraulic clutch control system, it works in conjunction with the clutch master cylinder, hydraulic lines, release bearing, and other components to ensure precise and accurate clutch control.
Working Principle
1. The driver depresses the clutch pedal, causing the master cylinder to generate hydraulic pressure.
2. Hydraulic fluid flows into the power assist cylinder, while simultaneously drawing in the vehicle's pneumatic supply (compressed air).
3. Under the combined force of hydraulic and pneumatic pressure, the internal piston within the power assist cylinder drives the output rod; this actuates the release bearing, which in turn pushes against the clutch pressure plate to disengage the clutch.
4. When the pedal is released, the power assist cylinder returns to its home position, and the clutch re-engages.
This "pneumatic-assist + hydraulic" design is a common configuration for heavy-duty truck clutch systems, offering significantly reduced effort compared to purely hydraulic systems.
Advantages
| No. | Performance Advantage Category | Specific Advantage Description |
|---|---|---|
| 1 | Effort Reduction | Uses air pressure + hydraulic composite boost design, significantly reducing clutch pedal effort by several times. Especially suitable for heavy-duty trucks with high torque, minimizing driver leg fatigue. |
| 2 | Driving Comfort | Sensitive boost response with excellent follow-up performance. Makes clutch operation light and smooth, greatly improving driving experience during long-distance or frequent shifting. |
| 3 | Clutch Separation & Engagement | Ensures thorough clutch disengagement and smooth engagement, reducing semi-engagement, jerking, or gear shifting difficulties, and improving shifting smoothness and safety. |
| 4 | Structural Durability | Mainly made of aluminum alloy for lightweight, corrosion resistance, and wear resistance. Excellent sealing performance, resistant to high/low temperatures and vibration, resulting in longer service life. |
| 5 | System Reliability | Low leakage rate design reduces the risk of boost failure. Indirectly reduces wear on clutch disc, pressure plate, and other components, extending the overall transmission system life. |
Interfacing Relationships
1. Connected to the clutch master cylinder via a hydraulic fluid line.
2. The output pushrod connects-either forward or backward-to the clutch release fork, ultimately actuating the clutch release bearing located at the front of the transmission.
3. Simultaneously connected to the vehicle's compressed air line to provide pneumatic assistance.
DETAILS
| DESCRIPTION | Clutch Booster Cylinder | PART NUMBER | DZ93189230183 |
| WEIGHT |
2KG |
VOLUME |
300 × 130 × 130 mm |
| TRUCK MOLDE | SINOTRUK | QUALITY | Copy,High Copy, OEM,Original |
| MOQ | 1 | WARRANTY | 1 year |
| PAYMENT | TT/WESTEN UNION | SHIPMENT | by air/sea/railway |
| BRAND | SINOSACHS | PLACE OF ORIGIN | JINAN CITY,CHINA |
| STOCK | IN STOCK | APPLICABLE SITE | CLUTCH |
| PACKAGE | Carton/Woodenbox | PORT OF LANDING | Qingdao Port,China |
Daily Maintenance Suggestions
| Item | Maintenance Interval | Specific Operations |
|---|---|---|
| Check Clutch Pedal Free Play | Every 5,000 km or monthly | Ensure the clutch pedal free play is normal (gap between push rod and piston should be kept at 0.5-1 mm). Avoid too small or too large clearance. |
| Check Hydraulic Fluid Level (Brake Fluid) | Every 5,000 km or monthly | Check if the fluid level in the reservoir is within the standard range. Add the same specification brake fluid promptly if the level is too low. |
| Inspect Pipelines and Connectors | Every 5,000 km or monthly | Check hydraulic oil pipes and air pressure pipes for leakage, aging, kinking, or wear. |
| Inspect Booster Cylinder Appearance | Every 10,000 km | Observe for oil leaks, cracks, corrosion, or loose mounting bolts. |
| Bleeding the System | When replacing fluid or when boost is insufficient | Pump the pedal several times to expel air from the system until the pedal feels firm and strong. |
| Lubricate Related Components | Periodically (with gearbox maintenance) | Lubricate the release bearing and fork shaft (recommended to be done at a service station). |




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