DC motor - Siemens, s.r.o.

Table of content
5 Operation.........................................................................................................................5-1
5.1 Safety instruction...............................................................................................5-1
5.2 Energizing .........................................................................................................5-2
5.3 De-energizing....................................................................................................5-2
5.4 Special operating conditions .............................................................................5-3
5.5 Stoppages .........................................................................................................5-3
5.6 Faults ................................................................................................................5-4
5.6.1 Troubleshooting ................................................................................................5-4
5.6.2 Faults in operation.............................................................................................5-4
5.6.3 Bearing faults ....................................................................................................5-5
5.6.4 Faults with the brushes .....................................................................................5-6
5.6.5 Faults with the commutator...............................................................................5-7
6 Maintenance....................................................................................................................6-1
6.1 Maintenance......................................................................................................6-1
6.1.1 Preparations for maintenance...........................................................................6-1
6.1.2 Maintenance intervals .......................................................................................6-2
6.1.3 Regreasing intervals for rolling-contact bearings, grease type.........................6-2
6.1.4 Cleaning ............................................................................................................6-3
6.1.5 Maintenance of the carbon brushes..................................................................6-4
6.1.6 Checking brushes .............................................................................................6-5
6.1.7 Replacing the carbon brushes ..........................................................................6-5
6.1.8 Adjusting the brush rocker ................................................................................6-6
6.1.9 Maintenance of the commutator .......................................................................6-7
6.1.10 Maintenance of the terminal boxes ...................................................................6-9
6.2 Servicing ...........................................................................................................6-9
6.2.1 First service.......................................................................................................6-9
6.2.2 Main service ....................................................................................................6-10
6.3 Repair..............................................................................................................6-11
6.3.1 Safety information ...........................................................................................6-11
6.3.2 Disassembling the motor ................................................................................6-12
6.3.3 Disassembling the bearings............................................................................6-13
6.3.4 Disassembling the tacho-generator ................................................................6-14
6.3.5 Assembling the motor .....................................................................................6-15
6.3.6 Assembling the bearings.................................................................................6-16
6.3.7 Mounting the tacho-generator.........................................................................6-17
6.3.8 Tightening torques of screw connections .......................................................6-18
7 Spare parts......................................................................................................................7-1
7.1 Ordering spare parts .........................................................................................7-1
7.2 Stator and rotor .................................................................................................7-2
7.3 Fan unit .............................................................................................................7-3
7.4 Bearings D-end .................................................................................................7-4
7.4.1 Bearings ............................................................................................................7-4
7.4.2 Installation instructions......................................................................................7-5
7.5 Bearings N-end .................................................................................................7-6
7.5.1 Bearings ............................................................................................................7-6
7.5.2 Mounting the tacho-generator...........................................................................7-7
7.6 Terminal boxes..................................................................................................7-8
7.6.1 Main terminal box..............................................................................................7-8
7.7 Recommended spare parts...............................................................................7-9
8 Supplementary operating instructions ........................................................................8-1
SIEMENS AG T61160347010001 (DMHO V9)
ii Operating instructions 1GG6286-0NA4.-1VV1-Z