TB8100 Service Manual Power Management Unit Disassembly and Reassembly 253© Tait Electronics Limited September 200614.5 Removing the Front and Rear PanelsThe circled numbers in the following instructions refer to Figure 14.1.1. Remove the M4 Torx screw b grounding the front panel to the ACconverter board.2. Remove the five M4 Torx screws securing the front panel to theheatsinks c and shield d. Slide the front panel off the heatsinks.3. Remove the M4 Torx screw e grounding the rear panel to the ACconverter board.4. Remove the five M4 Torx screws securing the rear panel to theheatsinks f and shield g.5. Loosen the rear panel slightly and remove the fibreglass DC inputinsulator h from behind the DC input terminals. Slide the rear paneloff the heatsinks.Figure 14.1 Removing the front and rear panelsbcdefghx4x4