Кожух пружины поршня рабочего тормоза Caterpillar 4691594

The Service Brake Piston Spring Housing is a cylindrical metal housing located behind the brake caliper on the axle housing. It securely holds a compressed coil spring. The spring pushes a brake piston outwards through a bore in the housing. This force applies the brake pads to the wheel disc when the brakes are engaged.Attributes:• Provided with high tensile strength, wear, and impact resistance• Withstands 6900 kPa oil pressure• Keeps the brake pads in contact with the drum during inactive brakingApplications: The Service Brake Piston Spring Housing contains and directs the force of a compressed spring that pushes the brake piston outward, engaging the brake pads with the wheel disc during braking.