Technical Manual

EX7100 Technical Manual – VHF Fan Assembly

3) Refer to Figure 1 below and remove the 2x M6 socket cap screws and washers from the

Fan Box Assembly using the Short arm Hex wrench. The removed screws and washers

should be put to one side for future replacement.

Figure 1: Assembly connected to the EX7100 Terminal

4) Remove the Fan Box DC supply cable from the rear of the EX7100 Terminal, taking

careful note of the existing wire connections for future re-assembly (the BROWN wire is

connected to the +ve input and the BLUE wire is connected to the –ve input)

5) Carefully remove the Fan Box Assembly from the EX7100 Terminal. Access is now

available to the PA Heatsink casting.

6) Refer to Section 7 of the EX7100 Technical Manual for further information regarding the

replacement of the Heatsink casting and/or the PA Assembly.

7) Reverse the above-mentioned steps as required to re-assemble the Fan Box.