Disassembling The Machine - Siemens SIMOTICS M-1PH8 Operating Instructions & Installation Instructions

Maintenance
9.4 Repair
9.4.3

Disassembling the machine

The drawings and parts lists do not contain any detailed information about the type and
dimensions of fixing elements, etc.
CAUTION
Installing and removing the impeller
For some motor versions the stator link has an interior diameter that is smaller than the
impeller diameter. When removing the rotor the stator coil connection can be damaged.
Only install the impeller in the direction on which a stator link is not attached. Contact the
Siemens Service Center (Page 123), if necessary.
CAUTION
Dismantling centered parts
Centered parts can be damaged if dismantled improperly with unsuitable tools.
Use pullers or suitable devices to disassemble parts and components attached to the motor
shaft.
Removing
1. Ensure you do not damage insulation when dismantling the device. Check the insulation
2. To disassemble the motor, disconnect the connecting cables from the terminals and the
3. Remove the connecting cables in the terminal box of the fan motor, and if necessary the
4. Pull out the connector of the speed sensor.
Links
The circuit diagram (Page 59) shows the relationships required when connecting to the line
supply.
Component assignment
When dismantling or assembling the bearing pay attention to the proper arrangement of the
components particularly if the bearing is the same size on the DE side and NDE side, for
example:
● Bearing shield
● Bearings
● Compression springs
104
for possible damage prior to re-installing.
entry plate from the terminal box housing.
In this way, the respective positioning of the cables in relation to one another and the sealing
of the cables in the cable entries are to a large extent maintained.
cable on the ground terminal and the cables laid out on the motor.
Operating Instructions 05/2012 A5E03986435A AA
SIMOTICS M-1PH8