Shandong Shengyue Technology Development Co.,Ltd is one of the most professional sinotruk howo truck brake pads 3502d02-407（115）102013045-08 manufacturers and suppliers in China. Please feel free to buy high quality genuine auto parts at competitive price from our factory.
SINOTRUK HOWO TRUCK Brake pads 3502D02-407(115)102013045-08
FUNCTION
1. Kinetic Energy Conversion: It converts the immense kinetic energy generated during the truck's motion into thermal energy, thereby decelerating the vehicle or bringing it to a smooth stop. When the driver applies the brakes, high-pressure air from the pneumatic braking system actuates a camshaft to expand the brake shoes; the friction linings subsequently engage in forceful, high-pressure friction against the inner surface of the rapidly rotating brake drum, generating the necessary braking torque.
2. Maintaining Braking Stability Under High-Heat Conditions: It effectively prevents the phenomenon of "brake fade"-a loss of braking efficiency due to overheating-during prolonged descents or continuous heavy-load braking, thereby ensuring the consistency and reliability of braking force.
3. Providing Secure Parking (Handbrake) Locking: When parking on inclines or while fully loaded, it ensures the truck remains stationary and does not roll away. Upon engaging the handbrake, the high-tension springs within the spring brake chambers release their pressure; this mechanical force then exerts sustained pressure to clamp the friction linings tightly against the brake drums, providing an exceptionally high level of static locking friction.
DETAILS
| DESCRIPTION | rake pads | PART NUMBER | 3502D02-407 |
| WEIGHT |
5 kg |
VOLUME | 35 cm × 16 cm × 14 cm |
| 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 | GEARBOX |
| PACKAGE | Carton/Woodenbox | PORT OF LANDING | Qingdao Port,China |
Key Technical Points for Overhaul and Replacement
1. Wear Limit: The thickness of a new friction lining is typically around 15 mm. When wear reduces the lining at its thinnest point to just 5 mm-or when it approaches the rivet heads-immediate replacement is mandatory.
2. Riveting Process: During replacement, a specialized brake shoe riveting machine must be used to symmetrically and sequentially fasten the lining, working outward from the center toward both ends. It is strictly forbidden to manually hammer the rivets; doing so risks creating internal, invisible cracks within the friction lining.
3. Axle-Synchronized Replacement: To prevent brake pull (deviation), the friction linings on both the left and right sides of the same axle must be replaced simultaneously. Furthermore, it is not recommended to mix new linings with old ones, nor to combine linings from different brands or with different friction formulations.
4. Break-in Period Advisory: Following the installation of new linings, the braking force may feel somewhat soft during the initial 200 kilometers. This is considered normal, as the contact surfaces between the new linings and the existing brake drums have not yet fully seated against one another. During this break-in period, avoid prolonged, heavy braking-particularly while descending long slopes.
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