12 Servicing
12.4 Replacing the coupling
12.4 Replacing the coupling
12.4.1
Removing the coupling (inner bearing)
As of size 320 couplings are installed in the pump stations of the series DL2.
Personnel qualification:
o
Fitter
Personal protective equipment:
o
Work clothing
o
Protective gloves
o
Safety boots
Aids:
o
Extractor
Requirement:
ü
Pump unit disconnected from the electrical power supply, deenergized and secured against being
switched back on
1
2
3
4
5
6
7
1.
Switch over the lever of the reversing valve
1
in order to shut off the respective side
2.
Remove the hexagon nuts
2
and socket screws
7
and lift the motor
3
from the pump bracket
6
.
3.
Remove the coupling intermediate ring
5
and pull off the motor-side coupling half
4
using an ex-
tractor.
11
6
8
9
10
4.
Remove the hexagon nuts
8
between the pump bracket and housing
11
and remove the pump
bracket via the stud screws
10
.
5.
Pull off the pump-side coupling half
9
using an extractor.
Operating instructions
OID 06en-GB Edition 2019-11
29
