2004 Bombardier DS650/DS650 Baja/DS650 Baja X Shop Manual, Page 221Get this manual
Section 09 BRAKES Subsection 02 (HYDRAULIC BRAKES)
Unscrew pad pins and remove pads no37Discard pad pins
Inspection
CAUTION: Do not clean brake pads in petroleum based solventUse brake system cleanerSoiled brake pads must be replaced by new onesMeasure brake pad lining thicknessBrake pads must be replaced when lining is mm (132 in) thick or less, or, look at the hollow places on both sides on the pad liningThere are four hollow places on one set of brake padsWhen the pad wear reaches one of the hollow places, the pad change is necessary even if the pad wear does not reach another hollow placeV02K0BA
1Pad spring 2Piston
V02K0FA
1Hollow place
BRAKE PAD LINING MINIMUM THICKNESS