Oil Quantities - Grundfos SL1 Serie Instructions D'installation Et D'utilisation

10.3.2 Fitting the shaft seal
Procedure
1. Fit and lubricate the O-ring (pos. 153b) with oil.
2. Slide the shaft seal (pos. 105) gently over the shaft.
3. Fit and tighten the screws (pos. 186).
4. Fit and lubricate the O-ring (pos. 107) in the cover for oil
chamber (pos. 58) with oil.
5. Fit the cover for oil chamber.
6. Fit and tighten the screws (pos. 188).
Procedure (pump with sensor)
1. Fit and lubricate the O-ring (pos. 153b) with oil.
2. Slide the shaft seal (pos. 105) gently over the shaft.
3. Fit the holder (pos. 522) and sensor (pos. 521) with one of the
screws (pos. 186).
4. Fit the second screw and tighten both screws (pos. 186).
5. Fit and lubricate the O-ring (pos. 107) in the cover for oil
chamber (pos. 58) with oil.
6. Check that the sensor is positioned correctly, see 8.4.1 Fitting
the WIO sensor and fig. 12. This is of special importance in
horizontal pumps.
7. Fit the cover for oil chamber.
8. Fit and tighten the screws (pos. 188).
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. 21 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. 22 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 55 ft-lb (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 stator housing in the pump housing (pos. 50).
9. Fit the clamp (pos. 92).
10. Tighten the screw to 6 ft-lb (8 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 917.
Power
[hp (kW)]
3.0 (2.2)
4.0 (3.0)
5.5 (4.0)
2-pole 8.0 (6.0)
10.0 (7.5)
12.5 (9.2)
15.0 (11)
1.5 (1.1)
1.8 (1.3)
2.0 (1.5)
3.0 (2.2)
4-pole
4.0 (3.0)
5.5 (4.0)
7.5 (5.5)
10.0 (7.5)
Used oil must be disposed of in accordance with
Note
local regulations.
Oil quantity
[oz (l])
20.3 (0.6)
20.3 (0.6)
33.8 (1.0)
33.8 (1.0)
33.8 (1.0)
40.6 (1.2)
40.6 (1.2)
20.3 (0.6)
20.3 (0.6)
20.3 (0.6)
20.3 (0.6)
33.8 (1.0)
33.8 (1.0)
33.8 (1.0)
40.6 (1.2)
25