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6. Maintenance
6.1. General
The machine and the entire system must be inspected
and maintained at regular intervals. The time limit for
maintenance is set by the manufacturer and applies to
the general conditions of use. The manufacturer should
be consulted if the system is to be used with corrosive
and/or abrasive pumped liquids, as the time limit between
inspections may need to be reduced.
Note the following information:
•
The operating and maintenance manual must be
available to the maintenance personnel and its in-
structions followed. Only the repair and maintenance
measures listed here may be performed.
•
All maintenance, inspection and cleaning work on the
machine and the system may only be carried out by
trained specialists exercising extreme care in a safe
workplace. Proper protective clothing is to be worn.
The machine must be disconnected from the electric-
ity supply before any work is carried out. There must
be no way that it can be inadvertently switched on.
Additionally, the appropriate protective measures as
defined by the BGV/GNV should be enforced when
working in basins and/or containers.
Make sure that all fastening devices, ropes and safety
devices of the hand winch are in a technically perfect
condition. Work may only commence if the auxiliary
hoisting gear has been checked and found to be in
perfect working order. If it is not inspected, danger to
personnel may result!
•
When working with inflammable solvents and clean-
ing agents, fires, unshielded lighting and smoking are
prohibited.
•
Ensure that all necessary tools and materials are
available. Tidiness and cleanliness guarantee safe and
problem-free operation of the machine. After work-
ing on the machine all cleaning materials and tools
should be removed from it. All materials and tools
should be stored in an appropriate place.
•
Operating supplies such as oil and lubricants must
be collected in appropriate vessels and properly dis-
posed of (in accordance with the 75/439/EEC direc-
tive and with §§5a, 5b AbfG). Appropriate protective
clothing is to be worn for cleaning and maintenance
jobs. This is to be disposed of in accordance with
waste code TA 524 02 and EC Directive 91/689/EEC.
Only lubricants expressly recommended by the man-
ufacturer may be used. Oils and lubricants should not
be mixed. Only use genuine parts made by the man-
ufacturer.
A trial run or functional test of the machine must
be performed as instructed in the general operating
conditions.
6.2. Maintenance intervals
Every six months:
•
Visual inspection of the power supply cable
•
Visual inspection of the cable holder and the cable
bracing
•
Visual inspection of accessories, e.g. the suspension
device and hoisting gears
6.3. Maintenance tasks
Visual check of power supply
The power supply line must be examined for bubbles,
cracks, scratches, chafed areas and/or crushed sections.
If damage is found, the power cable must be exchanged
immediately.
The cables may only be changed by the manufacturer
or an authorized/certified service workshop. The ma-
chine may not be used again until the damage has
been adequately rectified.
Visual examination of the cable holders (carabiners)
and the cable bracing
When the machine is used in basins or pits, the lifting
cables/cable holders (carabiners) and the cable bracing
are subject to constant wear. Regular inspections are nec-
essary in order to prevent the lifting cables/cable holders
(carabiners) and/or cable bracing from wearing out and to
prevent the electricity cable from being damaged.
The lifting cables/cable holders (carabiners) and the
cable bracing are to be immediately replaced if any
signs of wear appear.
Visual inspection of accessories
Inspect accessories such as suspension units and hoist-
ing gear to check whether they are secured in a stable
manner. Loose and/or defective accessories should be re-
paired immediately or replaced.
Testing the earth conductor connection in accordance
with EN60335-1 for protection class I equipment
Isolate the pump from the mains. There are two plugs sit-
uated in the suction filter on the underside of the pump.
Remove one of the plugs. Lead the test probe through
one of the openings on the suction filter as far as the mo-
tor shaft and set it on. The shaft is connected to the earth
conductor via the bearings. The measurement result must
not be more than 0.5 Ω. If the measured value is more
than 0.5 Ω, the machine must not be operated. Contact
the manufacturer.
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