TB8100 Service Manual Power Management Unit Disassembly and Reassembly 257© Tait Electronics Limited September 200614.8 Refitting the Front and Rear PanelsRefer to Figure 14.1 on page 253.1. Hold the two modules firmly together and fit the front panel over theheatsinks. Ensure that the shield remains in place. You may find iteasier to fit the front panel while the PMU is lying on its side. Thisway the shield is held in place between the heatsinks.2. Refit and tighten the five M4 Torx screws to secure the front panel tothe heatsinks and shield.Note Make sure that all connectors are correctly located in their respec-tive holes in the panel before fully tightening the screws.3. Refit and tighten the M4 Torx screw grounding the front panel to theAC converter board.4. Fit the rear panel over the heatsinks.5. Slide the fibreglass DC inputinsulator in behind the DC inputterminals. Make sure it fits into theslot in the board b and is correctlylocated on its mounting tabs in therear panel c.6. Refit and tighten the five M4 Torxscrews to secure the rear panel tothe heatsinks and shield.Note Before fully tightening thescrews, make sure that all con-nectors, switches and the fibre-glass insulator are correctlylocated in their respective holesin the panel.7. Refit and tighten the M4 Torx screw grounding the rear panel to theAC converter board.bc
