Page 20 - Catalog spare parts BPW HKN

Auto Parts / Page 20 BPW-EL-HKN 31021701e

3 Slack adjusters

General

BPW Slack adjusters
The required brake cylinder stroke increases as the brake
H lining thickness reduces. The slack adjuster makes up for
this change and keeps the brake cylinder stroke in the
optimum range at all times.
K In most countries, fitting automatic slack adjusters is a
statutory requirement.

N

The principle of automatic adjustment
Brake linings and brake drums are parts subject to
wear. As the thickness of the material is reduced, the
brake cylinder stroke increases, meaning that the brake
camshaft has to rotate further.
In this case, the automatic function of the ECO-Master
automatic slack adjuster provides the necessary
adjustment.
As a result, the brake cylinder stroke is always kept within
the same, optimum range.
The adjustment stroke is designed so that there is always
sufficient air gap even at higher levels of elasticity and
given thermal expansion of the adjacent components
(e.g. the brake drum).

Levers with different shapes and crank values are
available depending on the particular installation
conditions.

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