Grundfos seg autoadapt, Service Instructions Manual

Page: 11 / 26

English (GB)
11
2. Place a container with a capacity of 0.5 litre under the pump.
3. Slacken and remove both oil screws (193) and gaskets (194)
to allow all the oil to drain from the chamber.
4. Check the oil for impurities. This gives a good indication of the
condition of the shaft seal. See section
10.4 Checking the
shaft seal
.
5. Clean the pump for spilled oil.
Filling the oil chamber with oil, method 1
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. See fig.
6 .
2. Fill oil into the oil chamber through the oil filling hole until it
starts running out of the oil level hole. The oil level is now
correct.
3. Fit the gaskets (194) and both oil screws (193). Tighten the
screws. See section
8. Torques and lubricants
.
4. Clean the pump for spilled oil.
Filling the oil chamber with oil, method 2
1. Place the pump in the upright position on a plate.
2. Measure the correct amount of oil in the container and pour
the oil into the oil chamber (
M
). See fig. 7 .
Fig. 7
Oil filling
3. Fit and tighten the screws (193) and the seal washers (194).
See section
8. Torques and lubricants
.
4. Clean the pump for spilled oil.
10.4 Checking the shaft seal
Check the oil to make sure that the shaft seal is intact.
If the oil is greyish white like milk or contains a large quantity of
water, the primary part of the seal is worn. Replace the shaft seal.
If the seal is not replaced, the motor will be damaged within a
short time. If the oil is clean, it can be reused.
If the shaft seal needs to be replaced, see sections
11.1.5 Removing the shaft seal
and
11.2.2 Fitting the shaft seal
.
10.5 Adjusting the impeller clearance
To adjust the impeller, first dismantle the grinder system.
1. See section
11.1.2 Removing the grinder system
.
2. Tighten the adjusting nut (68) until the impeller (49) cannot
rotate any more.
3. Slacken the adjusting nut (68) by 1/4 turn.
10.6 Replacing the cable
Dismantling the cable
1. Remove the locking ring (199) with hook spanner (
B
).
2. Insert two screwdrivers (
E
) into the groove and prise the cable
out of the cable entry. See fig. 8 .
Fig. 8
Removing the supply cable
3. Carefully pull the cable out of the stator housing and
disconnect the plug.
4. Check the cable for damage.
5. Remove the O-ring (26a) from the cable with a pair of pincers
or similar tool.
6. Remove the O-ring (198) from the cable and clean the groove.
Assembling the cable
1. Clean the cable entry, locking ring (199) and cable.
2. Lubricate the groove for the O-ring (198).
3. Fit the O-ring (198) on the plug and lubricate it.
4. Fit the O-ring (26a).
5. Fit the outer plug part (181). The projection must engage with
the hole.
6. Fit the locking ring (199). See section
8. Torques and
lubricants
. Hold the plug with a hook spanner (
B
) to prevent it
from turning.
Used motor oil must be disposed of in accordance
with local regulations.
T
M
04
69
70
18
1
0
CAUTION
Crushing of hands
Minor or moderate personal injury
- Before inspection, make sure that the motor is
switched off and that the mains switch is locked in
position 0.
DANGER
Electric shock
- Death or serious personal injury
- The cable must only be replaced by Grundfos or
an authorized service workshop.
TM
04 69
83 181
0
If the cable is to be reused, be careful not to damage
the flash path gap and plastic pin on the cable when
the cable is removed.
If a new cable is not fitted, then cover the cable entry
to protect the cable entry against dirt.
DANGER
Electric shock
Death or serious personal injury
- Make sure that the plastic pin on the cable is
intact. In case the pin is damaged, replace the
cable.