Hebei Hankai metal clad wiper seals



22 35 7 oil seal. While oil seals are designed to last for a long time, factors such as improper installation, excessive wear, or chemical exposure can lead to premature failure. When an oil seal fails, it can result in oil leakage, which can damage the components of the system and lead to costly repairs.
Regular inspection and maintenance of brake shoes and drums are essential to ensure optimal performance. Over time, the friction material on brake shoes can wear down; the drums can become scored or distorted due to excessive heat or wear. Both scenarios can compromise the effectiveness of the braking system, making it crucial for fleet operators to adhere to routine maintenance schedules.
semi truck brake shoes and drums

Another possibility is that debris or rust is inhibiting the drum from sliding over the shoes. It’s essential to clean the mating surfaces thoroughly. Use a wire brush or sandpaper to remove any rust or buildup on both the brake shoes and the drum itself. Additionally, inspect the inside of the drum for scoring or damage, which might require resurfacing or replacement.
brake drum wont go back on
