Removing Cable; Removing Stator - Grundfos DPK Service Instructions Manual

5.6 Removing cable

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

5.7 Removing stator

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