16. BRAKE SYSTEM MXU 500IRS REAR BRAKE DISC REMOVAL/INSPECTION/ INSTALLATION REMOVAL Remove the rear wheel hub Remove the rear wheels. Remove the rear drive bolts. Disconnect the rear drive and shaft Rear propeller connect position(holder disk rear brake). Remove the rear drive Remove the 5 bolts and then remove the brake disc.(Use the impact driver remove it) INSPECTION Brake Disc Measure the brake disc thickness. Service Limit: 4 mm (0.16 in) Measure the brake disk run out. Service Limit: 0.3 mm (0.012 in) INSTALLATION Install the brake disc onto the wheel hub. Install and tighten the new four bolts to the specified torque. Impact Driver Torque: 3.5 kgf-m (35 Nm, 25.2 lbf-ft) 16-10