12 Servicing
12.3 Replacing the coupling
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
Silicone oil
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 silicone oil.
X
9
2
3
11
10
2.
Ensure that the fixing screw
11
of the pump-side coupling half
10
is loosened.
3.
Slide the pump-side coupling half onto the shaft until it stops and tighten the fixing screw.
4.
Tighten the socket screws
9
between the pump and pump bracket
3
with torque.
5.
Tighten the socket screws between the pump bracket foot and mounting surface with torque.
6.
Measure and write down the distance
X
between the face of the coupling claws and the fitting
surface of the pump bracket.
1
2
7
3
6
5
4
8
7.
Ensure that the fixing screw
6
of the motor-side coupling half
5
is loosened.
8.
Slide the motor-side coupling half onto the shaft end of the motor
7
.
X-E
9.
Check the distance between the face of the coupling teeth pump-side and the fitting surface of
the motor flange. The distance has to be adjusted to the measured value
X
minus coupling dis-
tance
E
, see table of limit values for aligning the shaft coupling
Ä
10. Tighten the fixing screw
6
on the motor-side coupling half and insert the coupling intermediate
ring
4
.
11. Secure the motor with eye bolts/hoisting equipment so that the coupling halves interlock and the
motor can be installed exactly horizontally at the pump bracket.
12. Tighten the socket screws
8
between the motor and pump bracket with torque.
Operating instructions
OIC 01en-GB Edition 2019-11
29
