Shandong Shengyue Technology Development Co.,Ltd is one of the most professional sitrak c7h / g7 brake master valve push rod 711w48240-0402 from sinotruk company manufacturers and suppliers in China. Please feel free to buy high quality genuine auto parts at competitive price from our factory.
SITRAK C7H / G7 Brake master valve push rod 711W48240-0402 FROM SINOTRUK COMPANY
FUNCTION
1. Force Transmission: When the brake pedal is pressed, it uses purely mechanical thrust to directly actuate the valve core inside the master cylinder, allowing high-pressure air to rush into the air chamber and engage the brakes.
2. Speed Control: It ensures that the master cylinder responds synchronously and without delay to every pedal stroke, providing immediate braking action.
3. Return: Upon releasing the brake, it works with a spring to rapidly return to its original position, immediately exhausting air from the chamber to prevent brake drag and wheel hub overheating.
DETAILS
| DESCRIPTION | Brake master valve push rod | PART NUMBER | 711W48240-0402 |
| WEIGHT | 0.3 kg | VOLUME | L=15cm |
| TRUCK MOLDE | SHACMAN | 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 | BRAKE |
| PACKAGE | Carton/Woodenbox | PORT OF LANDING | Qingdao Port,China |
Symptoms of Failure and Signs for Replacement
1. Increased brake pedal free play (loose pedal feel): The head of the pushrod becomes severely worn and shortened due to years of high-frequency friction; consequently, the pedal must be depressed significantly further before the pushrod makes contact with the master valve.
2. Poor brake return (brake drag): A lack of lubrication over time, or jamming caused by mud, grit, or foreign debris in the guide slot, can prevent the pushrod from retracting smoothly after the pedal is released, leading to overheated wheel hubs and brake pad dragging.
3. Abnormal noise: A dry metal-on-metal friction sound felt through the pedal when applying or releasing the brakes indicates that the pushrod connection point requires lubrication.




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