4 Repair4.6.1 Changing serial measuring boards903HAC021111-001 Revision: B4.6: Cabling and serial measuring board4.6.1 Changing serial measuring boardsSee foldout 4 in the list of spare parts.To dismantle1.Remove flange plate <138>.2.Cut tie around bundle <144>.3.Unscrew the serial measuring board <135> using screws <7>.4.Remove the board and loosen the contacts.To assemble1.Assemble in the reverse order.