Siemens 1PH728 Operating Instructions Manual page 7

Table 4-1 Measurement voltage, minimum insulation resistance, critical specific insulation
resistance.....................................................................................................................................40
Table 6-1 Diagnosis table for mechanical faults ..........................................................................................47
Table 6-2 Diagnosis table for electrical faults ..............................................................................................48
Table 7-1 Measures after operating times or intervals.................................................................................51
Table 7-2 Rolling-contact bearing greases ..................................................................................................53
Table 7-3 The rotor weights for the 1PH7 three-phase motor can be found in the following table:.............58
Table 7-4 Tightening torque for screwed union connections .......................................................................65
Table 8-1 Spare parts 1PH7 ........................................................................................................................69
Figures
Figure 1-1 ESD protective measures ............................................................................................................10
Figure 2-1 Example - 1PH7 motor rating plate..............................................................................................16
Figure 2-2 Cooling process for ventilating from the non-drive end to the drive end (basic type)..................18
Figure 2-3 View from above onto construction type IM B3 ...........................................................................19
Figure 2-4 Layout of the louvered covers for various construction types......................................................20
Figure 3-1 Connecting direction UVW for connection voltages of 690 V ......................................................29
Figure 3-2 Connecting direction UVW for connection voltage of 400 V/480 V .............................................29
Figure 3-3 Detailed view: Connecting points for ground conductor (1 + 2)...................................................33
Figure 3-4 Detailed view of fan, ① fan unit terminal box ..............................................................................34
Figure 3-5 Detailed view: Speed sensor connection.....................................................................................35
Figure 3-6 Electrical connection of the speed sensor ...................................................................................36
Figure 3-7 Sensor Module ① mounted on terminal box ...............................................................................37
Figure 7-1 D-end and N-end end shields with grease nipples ......................................................................54
Figure 7-2 Disassembling the rotary shaft seal.............................................................................................60
Figure 7-3 Detailed view of the speed sensor ...............................................................................................60
Figure 7-4 Disassembling the speed sensor: forcing off, 1st option .............................................................61
Figure 7-5 Disassembling the speed sensor: forcing off, 2nd option ............................................................61
Figure 7-6 Sealing gap between enclosure and end shields ........................................................................63
Figure 7-7 Installing the rotary shaft seal ......................................................................................................64
Figure 8-1 Spare parts 1PH7 ........................................................................................................................68
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Siemens AG Operating Instructions 2.02 1PH728
Siemens Hardware
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