KRAL KV - 12.4 Replacing the magnetic coupling

12 Servicing
12.4 Replacing the magnetic coupling
3. Position the end cover3 and tighten the socket screws2 with torque.
4. Set the overflow valve Ä During operation,Page24.
12.4 Replacing the magnetic coupling
12.4.1 Removing the outer rotor
Personnel qualification: o Fitter
Personal protective equipment: o Work clothing
o Protective gloves
o Safety boots
Aids: o Open-end spanner
o Mounting lever
o Hoisting equipment
DANGER
Magnetic field.
Risk of death for persons with cardiac pacemaker, metallic implant or neurostimulator.
► Under no circumstances may persons with cardiac pacemakers, metallic implant or
neurostimulator perform work on the pump/pump unit.
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.
Notice Outer rotor support and outer rotor can be dismantled more easily if they are heated to 80°C.
Requirement:
1. Before dismantling close the suction connection and pressure connection of the pump with pro-
tective covers.
2. Fixate the pump unit with suitable measures so that the pump cannot tilt after dismantling of the
motor.
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8
5
1
3
2
4
5
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7
5
3. Attach the hoisting equipment to the motor2.
4. Loosen the socket screws between the motor and the pump bracket3.
Operating instructions
OIK 09en-GB Edition 2019-11
31