Removing Cable 9 Fig; Removing Stator; Dwk.o.13.100.75, Dwk.o.13.100.110 - Grundfos DWK Series Service Instructions Manual

5.6 Removing cable
Cable entries
Fig. 5
1. Disconnect the power supply to the motor.
2. Remove top cover (pos. 151).
3. Disconnect power and signal conductors from top cover.
4. Remove cover for cable entry (pos. 168).
5. Remove cable (pos. 181).

5.7 Removing stator

Heating up stator housing in order to remove stator
Fig. 6
1. Drain oil from oil chamber. See section
2. Remove impeller and pump housing. See section
5.3 Removing impeller and pump
3. Remove lower bearing bracket (pos. 60) and rotor (pos. 172).
4. Remove cover for bearings (pos. 59) from lower bearing
bracket.
5. Remove top cover (pos. 151).
6. Disconnect power and signal conductors from top cover.
7. Protect the free conductors from the heat of the stator.
8. Mark the position of stator conductors on stator housing for
later refitting stator in the same position.
9. Block up stator housing in upside-down position as shown in
fig. 6.
10. Slowly heat up stator housing evenly until stator drops out.
Warning
The surface of the stator housing is so hot that it will
cause burns or personal injury if touched.
Make sure that the stator will not be damaged when
Caution
dropping out of the stator housing.
5.2 Oil change.
housing.
168a
168a
168
9