Page 18 - KNORR Pneumatic Disc Brake

5

Functional and Visual Check

Brake Pad/Disc Wear Check (on vehicle)
with bearing variant (6b)

5.1.6. The pads/disc wear can be visually determined
without removing the wheel by checking the position of the 1
caliper (1) compared to the fixed guide pin (4).

If dimension C is less than 1 mm, the brake pad thick-
ness and the brake disc must be checked with the wheel
removed (see Figs.). 4

C
If any minimal tolerance limits have been reached (see
Section 5.1) the pads and/or disc must be changed.
5.1.6a - Dimension C with new brake pads and disc
Note: Pads must be changed as an axle set (see Section 6).
For disc replacement, follow vehicle manufacturer’s recom-
mendations.

1

4

C

5.1.6b - Dimension C with worn disc/brake pads.

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