GEAR-GOV.DRIVE 6L5570 - Caterpillar

Illustration 1. Cracks that are perpendicular to the lining surface.2. The brake pads have cracks that go from the groove in the lining towards the plate. See Illustration 2.
Illustration 2. Cracks between the groove in the lining and the plate.3. The brake pads have a crack (or cracks) between the lining material and the plate. See Illustration 3. It can appear that there is a separation between the lining material and the plate. The plugs that hold the lining to the plate still have a sufficient bond to hold the linings in position.
Illustration 3. Separation between lining and plate.4. Grooves in the lining material caused by dirt or debris on the disc. This dirt or debris can cause grooves in the lining material that are the length of the lining. See Illustration 4.
Illustration 4. Grooves caused by dirt or debris between the brake pad and the brake disc.