Page 30 - Catalog spare parts BPW HKN

Auto Parts / Page 30 BPW-EL-HKN 31021701e

4 Brake parts

General

BPW Drum brakes
The proven technology and robust construction of BPW
H drum brakes makes them suitable for every application.
They shrug off dirt and are extremely hard wearing, even
under the harshest conditions.
K

N

Function
The force from the brake cylinders is transmitted by the Brake cylinder
slack adjuster to the brake camshaft causing it to rotate. Brake camshaft
The S-cam forces the brake shoes apart, pressing them
against the inside of the brake drum. Brake shoe
When the brake is released, the brake camshaft rotates
the S-cam back to its neutral position.
The brake shoes are returned to their initial position by
return springs.

Slack adjuster
Return spring
Brake drum

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