12 Servicing
12.3 Replacing the coupling
WARNING
Risk of injury and damage to equipment through falling and toppling parts.
► Use intact and correctly dimensioned hoisting equipment in accordance with the total weight to be
transported.
► Select the lift points for the hoisting equipment in accordance with the centre of gravity and the
weight distribution.
► Use at least two load ropes.
► In the case of vertical transportation secure the motor against tippling.
► Do not stand under raised loads.
Requirement:
ü
Pump unit disconnected from the electrical power supply, deenergized and secured against being
switched back on
1
2
7
3
6
5
8
4
1.
Secure the motor with eye bolts/hoisting equipment in such a way that the motor can be pulled
out horizontally.
2.
Remove the socket screws
1
between the motor
7
and pump bracket
3
and pull out the motor.
3.
Loosen the fixing screw
6
at the motor-side coupling half
5
.
4.
Remove the coupling intermediate ring
4
and pull off the coupling half using an extractor.
9
2
3
11
10
5.
Secure the pump
2
with eye bolts/hoisting equipment in such a way that the pump bracket can be
pulled exactly horizontally from the pump.
6.
Pull out the socket screws
9
between the pump and pump bracket and remove the pump bracket.
7.
Loosen the fixing screw
11
at the pump-side coupling half
10
and pull off the coupling half using
an extractor.
12.3.2
Installing the coupling
Personnel qualification:
o
Fitter
Personal protective equipment:
o
Work clothing
o
Protective gloves
o
Safety boots
Aids:
o
Measuring stick
o
Lubricating grease
Notice
The coupling halves can be mounted more easily if they are heated to 80 °C – 100 °C.
Requirement:
ü
Position of the pump in the pipe system secured with eye bolts/hoisting equipment
1.
Oil the shaft of the pump with lubricating grease.
Operating instructions
OIC 18en-GB Edition 2020-01
31
