22 40 7 oil seal

wheel hub seal. This noise is caused by the lack of lubrication in the wheel hub, which can lead to metal-on-metal contact and damage.
The adjuster mechanism is responsible for compensating for the wear of the brake shoes. As the shoes wear down, the adjuster moves them closer to the drum to maintain optimal clearance and ensure consistent braking performance. Most modern drum brake assemblies have an automatic adjuster that self-adjusts each time the brakes are applied.
Like all mechanical components, centrifuge brake drums require regular maintenance to perform optimally. Routine inspections should include checking for wear and tear on the braking elements, examining the drum for any signs of damage or distortion, and ensuring that the braking mechanism is functioning correctly. Neglecting maintenance can lead to significant issues, such as inefficient braking, excessive wear on components, and ultimately, equipment failure.
centrifuge brake drums
