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The primary shoe (facing the front of the vehicle) has a shorter lining or contains a different material than the secondary shoe on a duo-servo brake drum system. The secondary shoe is longer because it does most of the stopping. Leading and trailing brake shoes may or may be different sizes.
19 Ιουλ 2023 · But, like many archaic mechanisms, drum brakes are really quite clever, exhibiting dozens of subtle little design features that make the whole assembly more than it appears to be. But to understand what differentiates the primary shoe from the secondary, it helps to know how brake drums work.
A drum brake is a brake that uses friction caused by a set of shoes or pads that press outward against a rotating bowl-shaped part called a brake drum. The term drum brake usually means a brake in which shoes press on the inner surface of the drum.
A drum brake is a brake that uses friction caused by a set of shoes or pads that press outward against a rotating cylinder-shaped part called a brake drum. The term drum brake usually means a braking system in which shoes press on the inner surface of the drum.
9 Δεκ 2009 · “Automotive brake shoes consist of a primary and secondary shoe. The primary brake shoe is the front shoe and normally has a slightly shorter lining than the secondary shoe. The secondary shoe is the rear shoe and has the largest lining surface area.”
30 Νοε 2015 · The primary shoe is closer to the front of the vehicle, while the secondary shoe is closer to the rear. Depending on the type and brand, the brake shoes may be interchangeable. Automatic adjuster: Keeps the brake shoes at a consistent distance away from the drum, even as the lining wears away.
In drum brakes, the brake shoe is the curved metal backing plate covered with friction material that rubs the drum to provide braking. A small hydraulic cylinder presses the two shoes apart, and into the drum, and a screw adjuster at the bottom gradually extends to make up for worn shoes.
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σχετικά με: drum brakes primary shoeBut Did You Check eBay? Check Out Drum Brake Shoes On eBay. Looking For Drum Brake Shoes? We Have Almost Everything On eBay.
