9.2
Repair
Observe the general safety instructions (Page 11) for all work on the machine.
Note
If the motor has to be transported, please observe the information and instructions in the
"Transport" (Page 21) section.
9.2.1
Disassembling the machine
The drawings and parts lists do not contain any detailed information about the type and
dimensions of fixing elements, etc.
NOTICE
Installing and removing the impeller
For some motor versions the stator link has an interior diameter that is smaller than the
impeller diameter.
Only install the impeller in the direction on which a stator link is not attached. Contact the
Siemens Service Center (Page 85) if necessary.
NOTICE
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.
Disassembling the motor
1. Unscrew the water pipes.
2. Ensure you do not damage insulation when dismantling the device. Check the insulation
3. To disassemble the motor, disconnect the connecting cables from the terminals and the
4. Remove the cable at the outer grounding terminal
5. Pull out the connector of the speed sensor.
Links
The circuit diagram (Page 41)shows the ratios required for mains connection.
A5E02605207A AA
Siemens AG Operating Instructions V1.0 1PH8
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 largely maintained.
Maintenance
9.2 Repair
61