Oil Change - Grundfos SL1 AUTOADAPT Serie Montage- Und Betriebsanleitung

If the bush is intact, proceed as follows:
1. Check and clean the oil chamber.
2. Lubricate the faces in contact with the shaft seal
with oil.
3. Insert the new shaft seal (pos. 105) using the
plastic bush included in the kit.
4. Tighten the screws (pos. 188a) securing the shaft
seal to 16 Nm.
5. Fit the impeller. Make sure that the key (pos. 9a)
is fitted correctly.
6. Fit and tighten the screw (pos. 188a) securing
the impeller to 22 Nm.
7. Fit the pump housing (pos. 50).
8. Fit and tighten the clamp (pos. 92).
9. Fill the oil chamber with oil. See section
change.
For adjustment of impeller clearance, see section
11.4 Adjusting the impeller

11.8 Oil change

Every 3000 operating hours or at least once a year,
change the oil in the oil chamber as described below.
If the shaft seal has been changed, the oil must be
changed as well. See section
replacing the shaft seal.
Draining of oil
Warning
When loosening the screws of the oil
chamber, note that pressure may have
built up in the chamber. Do not remove the
screws until the pressure has been fully
relieved.
1. Loosen and remove both oil screws to allow all
the oil to drain from the chamber.
2. Check the oil for water and impurities. If the shaft
seal has been removed, the oil will give a good
indication of the condition of the shaft seal.
Used oil must be disposed of in
Note
accordance with local regulations.
11.8 Oil
clearance.
11.7 Checking/
Oil filling, pump lying down
See fig. 16.
1. Place the pump in such a position that it is lying
on the stator housing and the outlet flange and
that the oil screws are pointing upwards.
2. Fill oil into the oil chamber through the upper hole
until it starts running out of the lower hole. The oil
level is now correct.
For oil quantity, see section
3. Fit both oil screws using the packing material
included in the kit. See section
Oil filling
Oil level
Fig. 16 Oil filling holes
Oil filling, pump in upright position
1. Place the pump on a plane, horizontal surface.
2. Fill oil into the oil chamber through one of the
holes until it starts running out of the other hole.
For oil quantity, see section
3. Fit both oil screws using the packing material
included in the kit. See section
11.3 Inspection.
11.9 Service kits.
11.3 Inspection.
11.9 Service kits.
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