Servicing The Product - Grundfos CRE Series Installation And Operating Instructions Manual

10. Servicing the product

WARNING
Electric shock
Death or serious personal injury
‐
Switch off the power supply to the
product including the power supply for
the signal relays. Wait at least 5
minutes before you make any
connections in the terminal box. Make
sure that the power supply cannot be
switched on accidentally.
‐
Tighten the cable glands to the
recommended torques.
‐
For measuring power supply voltage,
use the measuring points accessible
through the holes on the cover for
power cables.
‐
Follow the instructions in the service
instructions for the motor. If parts are
damaged, order new service kits.
‐
Connect the motor to protective earth
and provide protection against indirect
contact in accordance with local
regulations.
‐
After servicing the motor, a dielectric
strength test must be performed.
Alternatively, a megger can be used at
500 VDC.
WARNING
Rotating parts
Death or serious personal injury
‐
Stay clear of the product after
switching on power, as the shaft can
rotate immediately.
‐
Do not start up and run the motor if
there is no pump connected to it.
‐
Install the coupling guards securely to
the pump with the screws intended for
this purpose.
‐
Tighten the coupling screws to the
correct torque.
WARNING
Magnetic field
Death or serious personal injury
‐
Do not handle the motor or rotor if you
have a pacemaker.
WARNING
Crushing of hands
Death or serious personal injury
‐
Follow the instructions in the service
instructions for the motor.
‐
Wear protective gloves when servicing
the product.
‐
Be careful when handling magnetised
parts to avoid personal injury.
WARNING
Falling objects
Death or serious personal injury
‐
Follow the lifting instructions for the
product.
‐
Use lifting equipment rated for the
weight of the product.
WARNING
Back injury
Death or serious personal injury
‐
Use lifting equipment and follow local
regulations when lifting the product.
WARNING
Crushing of feet
Death or serious personal injury
‐
Wear safety shoes.
‐
When lifting the motor, attach lifting
equipment to the eye bolts fitted to the
motor. When lifting the terminal box,
attach lifting equipment to the eye bolts
or lifting brackets fitted to the terminal
box.
WARNING
Hot surface
Death or serious personal injury
‐
Do not touch the product while it is
running. Allow surfaces to cool before
servicing.
WARNING
Intoxication or risk of chemical burn
Death or serious personal injury
‐
The battery can cause severe or fatal
injuries in 2 hours or less if it is
swallowed or placed inside any part of
the body. In such an event, seek
medical attention immediately.
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