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JAC N350 JAC N410 Clutch Master Cylinder 41410-y501004
FUNCTION
1. Conversion of Mechanical Force into Hydraulic Pressure: When the driver depresses the clutch pedal, the piston within the master cylinder displaces the hydraulic fluid, generating hydraulic pressure that is transmitted through high-pressure lines to the clutch slave cylinder.
2. Control of Clutch Disengagement and Engagement: Through hydraulic transmission, the clutch disc is disengaged to facilitate gear shifting; upon releasing the pedal, the pressure is relieved, allowing the clutch to re-engage and resume power transmission.
3. Ensuring Smooth Gear Shifting: It provides a light and precise pedal feel, thereby reducing driver fatigue and making the operation of heavy-duty trucks-particularly in conditions involving frequent starts and gear changes-more comfortable and responsive.
Working Principle
1. Depressing the Clutch Pedal: Pressing down on the pedal causes the pushrod to drive the piston within the master cylinder forward.
2. Building Hydraulic Pressure: As the piston moves forward, it first seals off the compensation port and then displaces the hydraulic fluid within the cylinder. The hydraulic fluid is compressed to generate high pressure, which is then transmitted through the high-pressure line to the clutch slave cylinder.
3. Clutch Disengagement: Upon receiving the high-pressure fluid, the internal piston of the slave cylinder actuates the release fork or pushrod, thereby separating the clutch pressure plate from the friction disc; this interrupts the power transmission between the engine and the transmission, facilitating gear shifting.
4. Releasing the Pedal: As the pedal returns to its original position, the master cylinder piston retracts under the force of the return spring, releasing the pressure within the cylinder. The hydraulic fluid flows back into the reservoir through the compensation port; the pressure in the slave cylinder dissipates, and the clutch disc re-engages under spring tension, thereby restoring power transmission.
Advantages
| Functional Feature / Advantage | Detailed Description | Practical Benefits |
|---|---|---|
| Hydraulic Transmission Control | Converts the force from pressing the clutch pedal into hydraulic pressure and transmits it to the clutch slave cylinder via oil lines | Light and responsive operation, significantly reduces pedal effort, ideal for long-hour driving |
| Precise Clutch Disengagement & Engagement | Enables complete separation and smooth re-engagement of the clutch plates, cutting or restoring power transmission between engine and gearbox | Smooth shifting and starting, reduces clutch plate wear, and extends service life |
| Integrated Design | Features a reservoir port for easy monitoring and topping up of hydraulic fluid (brake fluid) | Convenient maintenance and reliable fluid management |
| High Compatibility & Reliability | Genuine JAC part, perfectly matched to the vehicle's clutch system, with high-quality cylinder body, piston, and seals | Low failure rate, well-suited for high-intensity and heavy-load operations in heavy-duty trucks |
| Durability & Long Service Life | Robust construction, resistant to high temperature and pressure, suitable for frequent starting and long-distance transport | Reduces replacement frequency and lowers maintenance costs |
| Improved Driving Comfort | Works with the clutch booster to further reduce operating force and provides smooth pedal travel | Reduces driver fatigue, improves driving safety and comfort |
| Cost-Effective | Genuine factory quality with good value, simple installation | Easy to repair and results in low total ownership cost |
DETAILS
| DESCRIPTION | Clutch Master Cylinder | PART NUMBER | 41410-y501004 |
| WEIGHT |
30KG |
VOLUME | Length: 180 mm Cylinder Diameter: 80 mm Height: 150 mm |
| TRUCK MOLDE | JAC | 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 | CABIN |
| PACKAGE | Carton/Woodenbox | PORT OF LANDING | Qingdao Port,China |
Key Structures and Features
1. Fluid Reservoir Port: Used for storing and replenishing hydraulic fluid, ensuring the system maintains an adequate fluid level.
2. Piston and Seals: Ensure that the hydraulic fluid does not leak while facilitating precise pressure transmission.
3. Compensation Port: Used to compensate for changes in fluid volume caused by temperature fluctuations or wear, thereby preventing air locks or insufficient pressure within the system.
Maintenance Recommendations
| Maintenance Item | Recommended Interval | Specific Operations |
|---|---|---|
| Daily Inspection | Every shift / Weekly | Check the master cylinder and oil lines for leaks; check if the pedal feels heavy or soft; observe the reservoir fluid level and fluid color (replace if fluid turns black or emulsified) |
| Hydraulic Fluid (Brake Fluid) Check & Top-up | Every 5,000 km or 3 months | Check fluid level and top up with DOT 4 brake fluid; investigate leaks if level is low |
| Hydraulic Fluid Replacement | Every 20,000 km or 1 year | Completely replace the brake fluid in the entire system and clean the reservoir |
| External Cleaning & Fastener Inspection | Every 10,000 km | Clean dust from the master cylinder surface; check if mounting bolts and pipe joints are loose |
| Comprehensive Inspection | Every 30,000–50,000 km or when abnormality occurs | Check pushrod travel, piston sealing performance, and whether the compensation port is blocked; disassemble and inspect or replace seals if necessary |
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