User's Manual

M7X and M7R Page 5-35 Maintenance
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(7) Using a Torx T10 screwdriver, remove and retain the ten M3 x 6 mm screws (part number
36T46330060) that secure the PSU cover shown in Fig 5-26. Remove the cover.
Fig 5-26 PSU Module Cover
(8) Using a Torx T15 screwdriver, remove and retain the four M4 x 6 mm screws (shown in Fig 5-27)
that secure the PSU module to the chassis.
(9) Remove the PSU from the radio as follows:
 Standing at the front of the radio, pivot the front of the PSU module upwards until the two
fan connections (at the rear of the radio) can be seen and accessed
 Disconnect the two fan leads from the module
 Remove the PSU module from the radio.
(10) A thermal pad is fitted between the PSU module and the chassis (which is a heatsink). The old
thermal pad should now be removed by peeling it off (see Fig 5-21).
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PSU Cover
Secured by M3 x 6mm countersunk screws (10 off)