Oil Change - Grundfos DP 10 Serie Montage- Und Betriebsanleitung

10.5 Oil change

Every 3000 operating hours or 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.
Oil filling, pump lying down
See fig. 14.
1. Place the pump in such a position that it is lying
on the stator housing and the outlet flange with
the oil screws 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
10.1 Inspection.
3. Fit both oil screws using the packing material
included in the kit. See section
Oil filling
Oil level
Fig. 14 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
22
10.4 Checking/
10.6 Service kits.
10.1 Inspection.
10.6 Service kits.