Brake system – service brake (air pressure) BR-41 Part drawing IN DI EG TR AX FR ST BR BW EL 1 Connecting fork 7 Bearing disc and push rod 2 Lock nut 8 Diaphragm 3 Housing 9 Cover 4 Bolts 10 Nut 5 Bar clasp 11 Lock nut 6 Reset spring BR-041