Grundfos Sololift2, Service Instructions Manual

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English (GB)
8
6.7 Replacing the impeller
1. Remove the cover. See section
6.1 Removing the cover
.
2. Remove motor flange (pos. 156) from tank top (pos. 402).
3. Remove screws (pos. 308b) of pump housing (pos. 2) and
remove it from the motor flange.
4. Hold the shaft with a screwdriver in the shaft end and remove
the impeller by turning it counter-clockwise.
5. Hold the shaft with a screwdriver in the shaft end and fit the
impeller by turning it clockwise.
6. Clean the inner recess of the motor flange using a soft cloth.
7. Lubricate the O-ring and the inner recess with Rocol Sapphire
Aqua-Sil.
8. Fit the motor in the motor flange. The motor leads must point
in the opposite direction as the cable clamp of the supply
cable.
9. Fit the pump housing with the discharge port towards
pressure switch (pos. 482) and cross-tighten the screws.
10. Check that the grinder head does not touch the grinder ring.
11. Clean the sealing face of the tank top and the outer sealing
face of the motor flange using a soft cloth.
12. Lubricate the O-ring on the motor flange and the sealing face
of the tank top with Rocol Sapphire Aqua-Sil.
13. Fit the motor flange in the tank top and cross-tighten the
screws.
14. Fit the cover. See section
6.2 Fitting the cover
.