Removing Shaft Seals; Removing Bearings - Grundfos DPK Service Instructions Manual

5.4 Removing shaft seals

105f
105g
105 105e
105c
105d
Removing the shaft seal and bearings
Fig. 4
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 stationary shaft seal part (105d) of the shaft seal
(105) from the pump housing (50).
4. Remove the lip seals (46) from the pump housing or cover for
the oil chamber if fitted.
5. Remove rotating parts of the shaft seal (105e and 105g) from
the shaft.
6. Remove the lower bearing bracket (60) and the rotor (172).
7. Remove the cover for bearings (59).
8. Remove the stationary shaft seal part (105f) from the lower
bearing bracket (60).

5.5 Removing bearings

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 lower bearing (153 and 153a), if mounted, from
the shaft using a puller for bearings (H).
6. Remove the upper bearing (154) from the shaft using a puller
for bearings (H).
105c
5.2 Oil change.
housing.
5.2 Oil change.
housing.
9