Disassembling The Machine - Siemens SIMOTICS DC 1GH5 Operating And Installation Instructions

Maintenance
9.2 Repair
Removing the machine
Note
Only qualified personnel is permitted to perform maintenance work. Contact the
Service Center (Page 113), if necessary.
● If you have to disassemble the motor, disconnect the connecting leads from the terminals
● Check the identification of the connecting cables. If the identifiers are not correct, correct
Wiring
The terminal diagram shows only the mains connection conditions without including any
compensation and auxiliary windings.
Mark internal connections for identification before disconnecting them for maintenance work.
9.2.2

Disassembling the machine

Attaching a rotor
The centerings in the shaft extensions have reset threads. Eyebolts conforming to DIN 580
are not suitable for vertical rotor attachment as only a small number of thread grooves are
used.
● Depending on the weight of the rotor and the direction of the load, other suitable elements
Disassembling the machine
1. The drawings and parts lists do not contain any detailed information about the type and
2. Before disassembly, ensure that the housing and bearing shield are marked at a
3. Ensure correct assignment and orientation of the parts: bearings, sealing rings,
4. When removing the DE bearing shield, make sure that the windings that project from the
90
and the entry plate from the terminal box casing. In this way, the relative positions of the
cables will remain correct. Effective sealing of the cables in the cable entries is retained.
the identification.
(with a length of engagement > 0.8 x thread diameter) should be used.
dimensions of fixing elements. Therefore, make sure their assignment is correct before
disassembly. Mark their assignment with identification for assembly.
corresponding point on the non-drive end. Use a suitable means of identification, e.g. a flat
chipping mark. The correct position of the brush rocker in relation to the bearing shield and
stator frame is important for setting the neutral zone.
compression springs, spring washers, covers with different centering lengths.
stator frame do not become damaged.
SIMOTICS DC 1GH5
Operating Instructions 02/2016