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- Check the wiring - Replace the electro-pneumatic modulator YES Overhaul or replace the brake cylinders. Inefficient operation of the brake cylinders Overhaul or replace the Duplex control valve. Inefficient operation of the Duplex control valve Overhaul the rear brakes. Inefficient operation of the rear brakes Overhaul or replace the brake linings. Brake linings worn and/or vitrified YES NO YES NO YES NO (continued) NO YES - Check the electric wiring. - Replace the ABS solenoid valve. Inefficient operation of the ABS solenoid valve NO YES Inefficient operation of the electro-pneumatic modulator YES Replace the complete brake calliper. Inefficient operation of the automatic clearance recovery NO - Check the wiring. transmitter YES Inefficient operation of the Duplex control valve with NO S TRALIS AT/AD 50 AIR SYSTEM - BRAKES Base - January 2003 |