Grundfos SEV 80 - Product Servicing; Servicing the Product; Electric Shock Safety

English (GB)
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8.4.3 Replacing the seal ring and the wear ring
Dismantling
1. See section 8.4.1 Cleaning or replacing the pump
housing.
2. Turn the pump housing (50) upside down.
Fig. 19 Removing the seal ring
3. Knock the seal ring (46) out of the pump housing
using a punch. See fig. 19.
4. Clean the pump housing (50) where the seal ring
(46) was fitted.
Fig. 20 Removing the wear ring
5. Remove the wear ring (49c) using a screwdriver.
See fig. 20.
6. Clean the impeller (49) where the wear ring (49c)
was fitted.
Assembling
1. Lubricate the new seal ring (46) with grease.
2. Place the seal ring (46) in the pump housing (50).
Fig. 21 Fitting the seal ring
3. Knock the seal ring (46) home in the pump
housing (50) using a punch or a wooden block.
See fig. 21.
4. Place the wear ring (49c) on the impeller (49).
Fig. 22 Fitting the wear ring
5. Knock the wear ring (49c) home using a wooden
block. See fig. 22.
TM02 8420 5103TM02 8422 5103
TM02 8421 5103TM02 8423 5103