Siemens SINAMICS SH150 Operating Instructions & Installation Instructions page 8

Table of contents
9.2.1 Grounding using the grounding harness ................................................................................89
9.3 Opening the device ................................................................................................................90
9.4 Preventive maintenance.........................................................................................................91
9.4.1 Inspection...............................................................................................................................91
9.4.2 Checklist for preventive maintenance work............................................................................91
9.4.3 Visual inspections ..................................................................................................................92
9.4.3.1 Equipment for visual inspections............................................................................................92
9.4.3.2 Checking the isolating clearances..........................................................................................92
9.4.3.3 Checking hoisting solenoids and security bolts......................................................................93
9.4.3.4 Checking the plug connections. .............................................................................................93
9.4.3.5 Checking the filter mats..........................................................................................................93
9.4.3.6 Checking the cable and screw terminals................................................................................93
9.4.3.7 Inspecting door limit switches ................................................................................................93
9.4.3.8 Checking the cooling circuit ...................................................................................................94
9.5 Maintenance...........................................................................................................................94
9.5.1 Replacing a fan ......................................................................................................................94
9.5.1.1 Replacing fans, from the front ................................................................................................95
9.5.1.2 Replacing fans, from the back................................................................................................96
9.6 Cleaning .................................................................................................................................97
9.6.1 Cleaning aluminum parts .......................................................................................................97
9.7 Repair.....................................................................................................................................97
9.7.1 Components that can be replaced .........................................................................................99
9.7.2 Torques ..................................................................................................................................99
9.7.3 Replacing the AVT combination module ..............................................................................101
9.7.4 Replacing the current transformer........................................................................................102
9.7.5 Replacing the precharging transformer................................................................................103
9.7.6 Replacing the precharging rectifier ......................................................................................104
9.7.7 Replacing a power cell .........................................................................................................105
9.7.8 Replacing a diode stack .......................................................................................................111
9.7.8.1 Discharging the snubber circuit capacitor ............................................................................111
9.7.9 Replacing water sensors......................................................................................................111
9.7.10 Replacing the TP900 operator panel ...................................................................................113
9.7.11 Replacing the CompactFlash card .......................................................................................114
10 Spare parts ...............................................................................................................................................115
11 Disposal....................................................................................................................................................117
11.1 Information according to Article 33 of the REACH regulation ..............................................117
11.2 Disposing of packaging material ..........................................................................................117
11.3 Removing device components and old devices ...................................................................118
A Service & Support.....................................................................................................................................119
B Technical data and drawings....................................................................................................................121
B.1 Standards and regulations ...................................................................................................121
B.2 Environmental conditions .....................................................................................................122
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SINAMICS SH150 6SL3805
Operating Instructions 05/2020