- 27 -10-4 Lamp unit holder removal.1. Remove the 2 screws-A (T3x8) and remove the Lamp unit holder.2. Remove the screwB (T3x8) and remove the Lamp cover switch(SW8803) board.3. Remove the 2screws-C (T3x8), remove the Spacer, remove the Cap and remove the Thermal switch(SW902).BAALamp unit holderCCLamp cover switch(SW8803) boardSpacerThermal switch(SW902)CapMechanical disassemblies