Bendix Commercial Vehicle Systems SB-7 AIR DISC BRAKE - Manual (Page 18)

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5.3.1 Brake Wear Check using Guide Pin (For all Axial and Radial Disc Brakes except those listed in
Section 5.3.2 - These Callipers do not have the rib in position B (see also Section 5.3.2)
M+P-KN-005
C
D
1
4
6
1
4
6
B
Pad conditions can be visually inspected without
removing the road wheel by noting the positon
of the Floating Pin (4) in the Caliper (1).
If dimension ‘C’ is less than 0.04in. (1mm), a more
accurate check of the Pads and Disc must be
B = without rib (see also Section 5.3.2)
C = pin protrusion - shown in new condition
D = minimal pin protrusion - Pads and Rotor must be
checked with road wheel removed
If necessary change the Pads - see Section 6
completed.