Maintenance
9.2
Replacing the PMU
Replacing the PMU
9-4
♦ Turn the snaps on the front cover by 90 °
♦ Open up the front cover
♦ Withdraw connector X108 on the CU (Control Unit)
♦ Remove ribbon cable from the guide hooks
♦ Carefully press the snap catches upwards on the inner side of the
front cover using a screwdriver
♦ Tilt the PMU and remove it
♦ Install new PMU in reverse sequence.
Rear side of the
front cover
Snap catches
PMU-board
Fig. 9-4
Replacing the PMU
6SE7087-6KD50
Operating Instructions
SIMOVERT MASTERDRIVES
08.2009
Siemens AG