Component Placement Volvo Bus Corporation See also, 300, Component placement, Description, Design and function The reader is advised that printed copies are uncontrolled. 11 Component Description Placement Component appearance and associated adapter Symbol explanations 1 A33 Tachograph 1 – A Fig. A44 D9 _ Fuel pump 12 – B 6x2 Fig. 9 – B 4x2 A45 Water separator 12 – B 6x2 Fig. 9 – B 4x2 A65 Control unit compact retarder (RECU) 12 – A6x2 Fig. 9 – A 4x2 A90 Control unit body builder (BBM) 1 electrical distribution unit Fig. A105 Dynafleet (SIB) 1 – A A900 Control unit gearbox VOITH 12 – A6x2 Fig. 9 – A 4x2 A917 Control unit SCR 10 – B 6x2 Fig.
5 – C or 9– A4x2 A918 Control unit, NOx sensor 12 – B 4x2 Fig. 9 – B 4x2 A927 Control unit gear selector ZF (GECU) 1 – A Fig.