9.2 Grounding the system..........................................................................................................157
9.2.1 Grounding with a grounding device......................................................................................157
9.2.2 Grounding using a make-proof grounding switch.................................................................159
9.3 Opening the doors................................................................................................................160
9.3.1 Opening the power unit doors for maintenance work...........................................................160
9.3.2 Manually unlocking power unit doors...................................................................................161
9.3.3 Secure locking system (option M10)....................................................................................162
9.4 Preventive maintenance.......................................................................................................163
9.4.1 Inspection.............................................................................................................................163
9.4.2 Checklist for preventive maintenance work..........................................................................163
9.4.3 Visual inspections................................................................................................................164
9.4.3.1 Equipment for visual inspections..........................................................................................164
9.4.3.2 Checking the isolating clearances........................................................................................165
9.4.3.3 Checking hoisting solenoids and security bolts....................................................................165
9.4.3.4 Checking the plug connections............................................................................................165
9.4.3.5 Checking the cable and screw terminals..............................................................................165
9.5 Maintenance.........................................................................................................................165
9.5.1 Fan maintenance.................................................................................................................165
9.5.2 Filter mats............................................................................................................................166
9.5.2.1 Replacing filter mats.............................................................................................................166
9.5.2.2 Replacing the filter mats in the roof assembly.....................................................................167
9.6 Cleaning...............................................................................................................................168
9.6.1 Removing dust deposits.......................................................................................................168
9.6.2 Cleaning aluminum parts.....................................................................................................168
9.7 Repairs.................................................................................................................................169
9.7.1 Torques................................................................................................................................170
9.7.2 Attaching the changing device to the stacker.......................................................................171
9.7.3 Replacing the phase module................................................................................................173
9.7.4 Replacing the operator panel...............................................................................................180
9.7.4.1 Replacing the TP900 operator panel...................................................................................180
9.7.5 Replacing the CompactFlash card.......................................................................................181
9.7.6 Replacing the precharging transformer................................................................................182
9.7.7 Replacing the precharging rectifier......................................................................................184
9.7.8 Replacing the AVT combination module..............................................................................185
9.7.9 Replacing fuses....................................................................................................................185
9.7.10 Replace the sponge for the leak detector............................................................................186
9.7.11 Replacing the Power Stack Adapter....................................................................................187
10 Spare parts...............................................................................................................................................191
11 Disposal....................................................................................................................................................193
11.1 Disposing of packaging material..........................................................................................193
11.2 Removing device components and old devices...................................................................193
A Service & Support.....................................................................................................................................195
B Technical data and drawings....................................................................................................................197
B.1 Technical specifications.......................................................................................................197
B.1.1 Notes about technical specifications....................................................................................197
B.1.2 Standards and regulations...................................................................................................197
Table of contents
SINAMICS SM150 6SL3845-7NN46-7AA0
Operating Instructions 04/2017 9
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