41309401TH Rev.4 158 /ID unitCover assembly-topFixing hookCover-RearScrew14.3.2 ID Unit, Rear-Cover, Cover-Main, Board-NCU or Board-G4N(1) Disassembly procedurea) Open the cover assembly-top by raising.b) Take out the ID unit from the equipment.c) Cover-Rear:Remove the Cover-Rear by remov-ing the screws two and the part ofthe fixing hooks (4).