Grundfos SL1 Serie Montage- Und Betriebsanleitung Seite 21

10.3.3 Fitting the seal ring and wear ring
Procedure
1. Lubricate the seal ring (pos. 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 (pos. 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 (pos. 157) and the key (pos. 9a).
Keep the key in position while the impeller is fitted.
2. Fit the impeller (pos. 49).
3. Fit the washer (pos. 66) and the screw (pos. 188a).
4. Tighten the screw (pos. 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 (pos. 37) with oil.
8. Fit the pump part in the pump housing (pos. 50).
9. Fit the clamp (pos. 92).
10. Tighten the screw (pos. 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.
Power
[kW]
2.2
3.0
4.0
2-pole 6.0
7.5
9.2
11.0
1.1
1.3
1.5
2.2
4-pole
3.0
4.0
5.5
7.5
Used oil must be disposed of in accordance with
Note
local regulations.
10.5 Service kits
For service kits for SL1, SLV, see www.grundfos.com or Service
Kit Catalogue.
10.6 Contaminated pumps
If a pump has been used for a liquid which is
injurious to health or toxic, the pump will be classified
Note
as contaminated.
If Grundfos is requested to service the pump, Grundfos must be
contacted with details about the pumped liquid, etc. before the
pump is returned for service. Otherwise Grundfos can refuse to
accept the pump for service.
Possible costs of returning the pump are to be paid by the
customer.
However, any application for service (no matter to whom it may
be made) must include details about the pumped liquid if the
pump has been used for liquids which are injurious to health or
toxic.
Before a pump is returned, it must be cleaned in the best possible
way before it is returned.
Service instruction and service video can be found on
www.grundfos.com.
Oil quantity
[l]
0.6
0.6
1.0
1.0
1.0
1.2
1.2
0.6
0.6
0.6
0.6
1.0
1.0
1.0
1.2
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