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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.
•
Above a weight of 50kg, only hoisting gear which has
been officially approved and which is in a technical-
ly perfect condition should be used for lowering and
raising the machine.
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!
•
Wiring work on the machine and system must be
carried out by an electrician. For machines approved
for work in areas subject to explosion danger, please
refer to the "Explosion protection in accordance with
the regulation" chapter.
•
When working with inflammable solvents and clean-
ing agents, fires, unshielded lighting and smoking are
prohibited.
•
Machines which circulate fluids hazardous to health,
or which come into contact with them, must be de-
contaminated. It must be ensured that no dangerous
gases can form or are present.
•
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
manufacturer may be used. Oils and lubricants should
not be mixed. Only use genuine parts made by the
manufacturer.
A trial run or functional test of the machine must be
performed as instructed in the general operating con-
ditions.
Oil type: degradable HOMA-Atox. Used oil is to be dis-
posed accordingly. When using white oil, note the follow-
ing:
•
The machine lubricants may only be topped up or re-
placed with lubricants from the same manufacturer.
•
Machines which have previously been operated us-
ing other lubricants must first be thoroughly cleaned
before they can be operated using white oil.
6.2. Maintenance intervals
Before initial start-up or after a longer period of
storage:
•
Checking the insulation resistance
•
Fill level check in sealing room/chamber
•
The axial face seal must be checked for damage.
Monthly:
•
Monitoring the current consumption and voltage
•
Checking the used relays for posistors, sealing room
monitor, etc.
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
1,000 operating hours or after every six months, whi-
chever is earlier:
•
Monitoring the current consumption and voltage
•
Checking the used relays for posistors, sealing room
monitor, etc.
•
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
3,000 operating hours:
•
Visual control at pump types with oil chamber
•
Visual control at pump types without oil chamber
8,000 operating hours or after two years, whichever
is earlier:
•
Checking the insulation resistance
EngliSH | 37
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