Grundfos SE1 50 Notice D'installation Et De Fonctionnement page 36

8.1.2 Oil check and change
Inspect the oil level and condition
every 3000 operating hours or at least
once a year. When the pump is new or
FM
after the replacement of the shaft seal,
check the oil level and water content
after one week of operation.
Check and change the oil in the oil chamber as
described below.
Use Shell Ondina X420 oil or
equivalent type.
Related information
8.1.2.1 Oil quantities
8.1.2.1 Oil quantities
The table indicates the quantity of oil in the oil
chamber. Oil type: Shell Ondina X420.
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)
1.3 (1.0)
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 local regulations.
Related information
8.1.2 Oil check and change
36
8.1.2.2 Draining of oil
Proceed as follows:
1. Place the pump on a plain surface with one oil
2. Place at least 34 oz (1 l) capacity transparent
3. Loosen and remove the lower oil screw.
4. Remove the upper oil screw and let the oil
Oil quantity
[oz (l)]
10.1 (0.30)
5. Clean the faces for the gaskets for oil screws.
18.5 (0.55)
8.1.2.3 Filling with oil
23.6 (0.70)
1. Turn the pump, so that the oil filling holes are
10.1 (0.30)
18.5 (0.55)
23.6 (0.70)
Oil filling holes
2. Pour oil into the oil chamber through one filling
3. Fit the oil screws with new gaskets.
screw pointing downwards.
container under the oil screw.
Warning
The oil chamber may be under
pressure. Loosen the screws
carefully and do not remove them
until the pressure is completely
relieved.
drain into the container.
Check that the quantity of oil corresponds to
the quantity stated in the table above. If the
quantity is smaller than stated, the shaft seal
is defective and must be replaced.
Check the water content in the oil. If the color
is greyish-white, it contains water. If the oil
contains more than 20 % water, the shaft seal
is defective and must be replaced. If the shaft
seal is not replaced, it may cause damage to
the motor.
Used oil must be disposed of in
Note
accordance with local regulations.
placed opposite each other, pointing upwards.
1
Pos. Description
1 Oil filling/venting
hole until it starts coming out of the other hole.