Siemens 1PH728 Series Operating Instructions Manual page 4

Table of content
7.1.5 Cleaning ............................................................................................................7-6
7.2 Inspection..........................................................................................................7-6
7.2.1 General inspection specifications .....................................................................7-6
7.2.2 Initial inspection.................................................................................................7-7
7.2.3 Main service ......................................................................................................7-8
7.3 Repair................................................................................................................7-8
7.3.1 Instructions for repair ........................................................................................7-8
7.3.2 Dismantling .......................................................................................................7-9
7.3.3 Re-assembly ...................................................................................................7-12
7.3.4 Bolted connections..........................................................................................7-15
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Spare parts
8
8.1 Orders for spare parts .......................................................................................8-1
8.2 Spare parts 1PH7..............................................................................................8-1
Figures
Figure 2-1 Example: Motor nameplate 1PH7 ................................................................2-2
Figure 2-2 Cooling process for ventilating from the N-end to the D-end (basic type) ...2-4
Figure 2-3 View from above onto type of contruction IM B3 .........................................2-5
Figure 2-4 Layout of the louvered covers for various types of construction .................2-7
Figure 3-1 Circuit diagram .............................................................................................3-5
Figure 3-2 Tightening torques for contact nuts and mounting bolts..............................3-7
Figure 3-3 Detailed view: Connecting points for ground conductor (1 + 2)...................3-9
Figure 3-4 Detailed view of fan....................................................................................3-10
Figure 3-5 Detailed view: Speed sensor connection...................................................3-11
Figure 7-1 End shields at drive end and non drive end with grease nipples ................7-5
Figure 7-2 Disassembling the rotary shaft seal...........................................................7-11
Figure 7-3 Detailed view of the speed sensor.............................................................7-11
Figure 7-4 Packed sealing gap between enclosure and end shield...........................7-13
Figure 7-5 Installing the rotary shaft seal ....................................................................7-15
Figure 8-1 Spare parts 1PH7 ........................................................................................8-3
Tables
Table 2-1 Motor Nameplate - Technical Data ..............................................................2-2
Table 2-2 Additional hoisting points for different types of construction ........................2-6
Table 3-1 Weights of standard versions .......................................................................3-1
Table 3-2 Pressure drop in motors with pipe connection..............................................3-3
Table 3-3 Terminal box assignments............................................................................3-6
Table 6-1 Diagnosis table for mechanical faults ...........................................................6-1
Table 6-2 Diagnosis table for electrical faults ...............................................................6-1
Table 7-1 Service period intervals ................................................................................7-3
Table 7-2 Rolling-contact bearing greases ...................................................................7-4
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SIEMENS AG - Operating Instructions
Three-phase induction motor 1PH728.
8-1