19 BRAKES Note : Measure the face runout of the disc (Fig. 13) & mark the low runout point around the wheel mounting bolt, nearest to the low run out point. This is important, as this marked point has to be matched wi th corresponding high runout point on the hub. This will ensure minimum runout of hub and disc assembly together & will intern minimise disc wobbling & uneven pad wear. Fit the bottom guide pin dust cover’s other end to carrier. Fit new pads as explained under “Fitment of New Pads”. Swing back the caliper to its place and fit guide pin retaining bolt and tighten to recommended torque 3.1 to 3.5 mkg. Fit bleed screw and tighten to a torque of 0.55 to 0.8 mkg. Connect banjo end of the hose with caliper body by fitting banjo bolt using new gasket. Before fully tightening the banjo bolt, make sure that the other end of the hose is anchored to the chassis end. In this condition the hose should be free from twists. Tighten the banjo bolt to a torque of 3 to 4 mkg. Connect pipe nuts to the female end of the hose after removing the dust cap from the bundy tube and tighten. Caliper carrier mounting bolts to be checked for its tightness to a torque of 6.3 to 8.3 mkg. The other side of the caliper can be serviced in the same way. Bleed the brake system. If bleeding equipment or power bleeding is used to bleed the system, which does not necessitate application of pedal, youmust make sure several brake pedal applications are made to maintain minimum clearance between pad and the disc before taking the vehicle for road test. HOSE REPLACEMENT (Fig. 14) Hoses to be replaced as per recommended service schedule. Use light and mirror to inspect hose condition, check brake hoses and pipelines for leakage, crack and damage etc. & replace if necessary. Fig. 13 Fig. 14
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