Technical descriptionItem no. 10405047-02, Revision 0412 ( 48 )5 Technical description5.1 Connections of HF spindle1a1c1b2234871a Electrical connection for: motor phases1b Electrical connection for: Displacement measuring system1c Electrical connection for: Vector control2 Cooling water G 1/8"3 Sealing air G 1/8"4 Taper cleaning G 1/8"7 Pneumatics for tool change (cylinder forward) G 3/8"8 Pneumatics for tool change (cylinder back) G 1/4"