Grundfos SE1 50 Instrucciones De Instalación Y Funcionamiento página 26

10.3.2 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. 22 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. 23 Fitting the wear ring
10.3.3 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.
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10.4 Oil quantities
The table shows the quantity of oil in the oil chamber of SE1 and
SEV pumps. Oil type: Shell Ondina 919.
Power
2-pole
4-pole
Used oil must be disposed of in accordance with
Note
local regulations.
Oil quantity [l]
2.2 0.30
3.0 0.30
4.0 0.55
6.0 0.55
7.5 0.55
9.2 0.70
11.0 0.70
1.0 0.30
1.3 0.30
1.5 0.30
2.2 0.30
3.0 0.55
4.0 0.55
5.5 0.55
7.5 0.70