Motorola DR 3000 Thermal Pad Replacement Procedure, Screw Sequence to Tighten Die Cast Cover

Disassembly/Reassembly Procedures: Transmit and Receive Radio Reassembly — Detailed 5-19

7.Using a T20 TORX™ driver, tighten the seven screws between 2.94 N-m (26 lbs-in) in the order shown in Figure 5-19.

8.Repeat tightening the seven screws in the order shown otherwise the first three screws will likely be loose.

Figure 5-19. Screw Sequence to Tighten Die Cast Cover

5.8.2Thermal Pad Replacement Procedure

A. Chassis Thermal Pad Replacement Procedure

Harmonic Filter Thermal Pad Replacement

1.Use a plastic flat-edge tool to lift the pad from the chassis surface. Discard the old pad.

2.Use a soft cloth to remove any remaining residue. Alcohol can also be used, if necessary. Care should be taken to minimize any cleaning-agent contact with the surrounding shield gasket.

3.Once the surface is clean and dry, remove the new pad from the shipping liner, and place it white side down on the chassis as shown in Figure 5-20.

Harmonic Filter Pad (7515579H01)

Harmonic Filter Pad (7515580H01)

Radio Chassis

Figure 5-20. Replacing Thermal Pads

6866576D03-A February 21, 2007