English (GB)
32
10.3.3 Fitting the seal ring and wear ring
Procedure
1. Lubricate the seal ring (46) with soapy water.
2. Place the seal ring in the pump housing.
3. Knock the seal ring home in the pump housing
using a punch or a wooden block.
Fig. 20 Fitting the seal ring
4. Place the wear ring (49c) on the impeller.
5. Knock the wear ring home using a wooden block.
Fig. 21 Fitting the wear ring
10.3.4 Fitting the impeller and pump housing
Procedure
1. Fit the spring (157) and the key (9a).
Keep the key in position while the impeller is
fitted.
2. Fit the impeller (49).
3. Fit the washer (66) and the screw (188a).
4. Tighten the screw (188a) to 75 Nm. Hold the
impeller with the strap wrench.
5. Mark the position of the pin on the pump housing.
6. Mark the position of the pin hole on the oil
chamber.
7. Fit and lubricate the O-ring (37) with oil.
8. Fit the pump part in the pump housing (50).
9. Fit the clamp (92).
10. Tighten the screw (92a) to 12 Nm.
11. Check that the impeller rotates freely and without
drag.
10.4 Oil quantities
The table shows the quantity of oil in the oil chamber
of SL1 and SLV pumps. Oil type: Shell Ondina
919
X420.
10.5 Service kits
For service kits for SL1 and SLV, see
www.grundfos.com or Service Kit Catalogue.
10.6 Contaminated pumps
If you request Grundfos to service the product,
contact Grundfos with details about the liquid before
returning the product for service. Otherwise,
Grundfos can refuse to accept the product for
service.
Any application for service must include details
about the liquid.
Clean the product in the best possible way before
you return it.
Costs of returning the product are to be paid by the
customer.
TM02 8421 5103TM02 8423 5103
Power
[kW]
Oil quantity
[l]
2-pole
2.2 0.6
3.0 0.6
4.0 1.0
6.0 1.0
7.5 1.0
9.2 1.2
11.0 1.2
4-pole
1.1 0.6
1.3 0.6
1.5 0.6
2.2 0.6
3.0 1.0
4.0 1.0
5.5 1.0
7.5 1.2
Used oil must be disposed of in
accordance with local regulations.
The product will be classified as
contaminated if it has been used for a
liquid which is injurious to health or toxic.
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