Re-Assembly - Siemens 1PH728 Series Operating Instructions Manual

Maintenance
(3) Sensor cover
Notice
Always disassemble the speed sensor before you dismantle the three-phase
motor, in order to prevent it from becoming damaged.
To disassemble the speed sensor, proceed as follows:
•= Screw off the sensor cover.
•= Unscrew the screw connections of the sensor from the end shield and the
sensor lead connection.
•= Pull the sensor off the shaft with the aid of a puller.
7.3.3

Re-assembly

Re-assembly instructions
If possible, assemble the motor on a straightening plate. This ensures that the feet
surfaces are all on the same level.
Notice
When mounting the end shield, make sure that the windings that project from the
stator housing do not become damaged.
Notice
Take great care and pay attention to cleanliness when fitting and assembling the
bearings.
Sealing measures when reassembling
Due to the stricter requirements of degree of protection IP55, joint sealant must be
used for motors from the 1PH7 series.
Clean bare joints between parts before reassembling (e.g. between enclosures,
end shields and the active parts of bearings).
Coat the bare joints between parts with a non-hardening sealant, e.g. MARSTON
HYLOMAR SQM32M.
7-12
SIEMENS AG - Operating Instructions
Three-phase induction motor 1PH728.