Edur LBU Series, VBU Series Operating Instructions Manual

Operating Instruction

Segmental Type Pumps

Please keep your Operating Instruction in a safe place!

Type

Serial No.

EDUR-Pumpenfabrik

Eduard Redlien GmbH & Co. KG

E-mail: [e-mail] · http://www.edur.de

Postfach 1949 · D-24018 Kiel

Tel. [phone] · Fax [phone]

2

Contents

1 Security 3

1.1 Identification of Safety Instructions in the
Operating Manual 3

1.2 Qualification and Training of Operating
Personnel 3

1.3 Hazards in the Event of Non-Compliance
with the Safety Instructions 3

1.4 Compliance with Regulations Pertaining to
Safety at Work 4

1.5 Safety Instructions relevant for Operation 4

1.6 Safety Instructions relevant for Maintenance,
Inspection and Assembly Work 4

1.7 Unauthorized Alterations and Production of
Spare Parts 4

1.8 Unauthorized Modes of Operation 4

2 Transport and Intermediate Storage 4

2.1 Transport 4

2.2 Intermediate Storage 5

2.2.1 Internal Preservation 5

2.2.2 Preservation Control 5

2.2.3 Removal of Preservation 5

3 Description 5

3.1 Design 5

3.2 Place of Operation 6

4 Mounting 6

4.1 Installation 6

4.2 Connected Loads 6

4.3 Direction 6

4.4 Coupling Protection 7

4.5 Piping 7

4.5.1 General Remarks 7

4.5.2 Suction Pipeline 7

4.5.3 Pressure Pipeline 7

4.5.4 Additional Connections 7

4.6 Low-Noise Installation 7

5 Starting Operation/ Stopping Operation 7

5.1 Preparations for Initial 7

5.2 Initial Starting 7

5.3 Restarting 8

5.4 Stopping Operation 8

6 Service/Maintenance 8

6.1 Supervision of Operation 8

6.1.1 Shaft Bearing 8

6.1.2 Mechanical Seal 8

6.1.3 Gland Packing 8

6.2 Maintance 9

6.2.1 Preparation 9

6.2.2 Dismounting 9

6.2.2.1 Pump 9

6.2.2.2 Dismounting of Mechanical Seal 9

6.2.2.3 Motor 9

6.2.3 Mounting 9

6.2.3.1 General Remarks 9

6.2.3.2 Mounting of the Motor 10

6.2.3.3 Replacing the Gland Packing 10

6.2.3.4 Mounting of Mechanical Seal 10

7 Disturbance 12

8 Pump View and List of Spare Parts 13

8.1 LBU 13

8.1 VBU 14

3

General

The most important operational data are
mentioned on the type label. The sound
pressure L
depending on the nominal pump power input P
will be seen from the diagram underneath.

Fig. Noise emission

The actual sound level ascertained at place of
installation will possibly differ considerably from
these values due to the operating conditions and
the conditions of installation.

following VDI-guidelines 3743 sheet 1

pA

1 Security

This operating manual gives basic instructions
which are to be observed during installation,
operation and maintenance of the pump. it is
therefore imperative that this manual be read by
the responsible personnel/operator prior to
assembly and commissioning. It is always to be
kept available at the installation site.

It is not only the general safety instructions
contained under this main heading safety that are
to be observed but also the specific information
provided under the other main headings.

1.1 Identification of Safety
Instructions in the Operating
Manual

Safety instructions given in this manual
non-compliance with which would affect safety are
identified by the following symbol:

or where electrical safety is involved, with

see DIN 4844-W9

Instructions non-compliance with which would
give rise to malfunctioning of the machinery are
identify by the word

CAUTION

It is imperative that signs affixed to the machine,
e. g.

- arrow indicating the direction of rotation

- symbols indicating fluid connections

be observed and kept legible.

1.2 Qualification and Training of
Operating Personnel

The personnel responsible for operation,
maintenance, inspection and assembly must be
adequately qualified. Scope of responsibility and
supervision of the personnel must be exactly
defined by the plant operator. If the staff does not
have the necessary knowledge, they must be
trained and instructed, which may be performed
by the machine manufacturer or supplier on
behalf of the plant operator. Moreover the plant
operator is to make sure that the contents of the
operating manual are fully understood by the
personnel.

1.3 Hazards in the Event of
Non-Compliance with the Safety
Instructions

Non-compliance with the safety instructions may
produce a risk to the personnel as well as to the
environment and the machine and results in a
loss of any right to claim damages.

For example, non-compliance may involve the
following hazards:

- Failure of important functions of the

machine/plant

- Failure of specified procedures of

maintenance and repair

- Exposure of people to electrical, mechanical

and chemical hazards

- Endangering the environment owing to

hazardous substances being released

see DIN 4844-W8

4

1.4 Compliance with Regulations
Pertaining to Safety at Work

When operating the pump, the safety instructions
contained in this manual, the relevant national
accident prevention regulations and any other
service and safety instructions issued by the plant
operator are to be observed.

1.5 Safety Instructions relevant for
Operation

-

If hot or cold machine components involve
hazards, they must be guarded against
accidental contact.

- Guards for moving parts (e.g. coupling)

must not be removed from the machine
while in operation.

- Any leakage of hazardous (e.g. explosive,

toxic, hot) fluids (e.g. from the shaft seal)
must be drained away so as to prevent any
risk occurring to persons or the environment.
Statutory regulations are to be complied
with.

- Hazards resulting from electricity are to be

precluded (see, for example, the
VDE Specifications and the bye-laws of the
local power supply utilities).

1.6 Safety Instructions relevant for
Maintenance, Inspection and
Assembly Work

It shall be the plant operator's responsibility to
ensure that all maintenance, inspection and
assembly work is performed by authorized and
qualified personnel who have adequately
familiarized themselves with the subject matter by
studying this manual in detail.

Any work on the machine shall only be performed
when it is at a standstill, it being imperative that
the procedure for shutting down the machine
described in this manual be followed.

Pumps and pumps units which convey hazardous
media must be decontaminated.

On completion of work all safety and protective
facilities must be re-installed and made operative
again.

Prior to restarting the machine, the instructions
listed under Initial commissioning are to be
observed.

Unauthorized Alterations and Production of Spare
Parts
Any modifications may be made to the machine
only after consultation with the manufacturer.
Using spare parts and accessories authorised by
the manufacturer is in the interest of safety. Use
of other parts may exempt the manufacturer from
any liability.

1.7 Unauthorized Modes of
Operation

The reliability of the machine delivered will be only
guaranteed if it is used in the manner intended, in
accordance with our order documentation,
especially with the order confirmation.
The limit values specified in the data sheet must
under no circumstances be exceeded.

2 Transport and Intermediate Storage

2.1 Transport

When transporting the complete pump unit by
crane, mount the ropes as shown in the figure.

The crane facility and the ropes must be of

CAUTION

for transport of the complete pump unit.

Fig. 2.1a Pumps of structural form V

sufficient capacity. The ring loop
of the motor must not be used

Fig. 2.1b Pumps of structural form L

5

Fig. 2.1c Pumps of structural forms N, S and

N1-N9

Fig. 2.1d Pumps of structural form Z

CAUTION

and base plate are tightened at our works. Please
take care that before setting into operation the
screws have to be released by all means resp. in
case of a transport again have to be tightened.
In this regard also see section 4.1

For transport only the screws
between foot of suction casing

2.2 Intermediate Storage

On delivery, all pumps are preserved. Thus, they
can be stored for 6-12 months. If the storage time
is longer or the pumps are not in operation, they
must receive additional preservation on the inside.
The preservation means (please consult us)
depends on the used materials and conditions of
operation.
The storage room must be roofed and well
ventilated. Avoid temperatures below zero and
high humidity.

2.2.1 Internal Preservation

Close the suction branch securely. Fill the pump
with the preservation means and slowly turn the
rotor manually. Close the pressure branch
securely.

2.2.2 Preservation Control

Check the filling level of the pump and turn the
rotor by hand at regular intervals of 3 months.
Refill preservation means, if necessary.

Fig. 2.1e Pumps of structural forms V1-V6, E1-E6,

E11-E16

Fig. 2.1f Pumps of structural forms

NVB(K)1-NVB(K)9, V1-V6, E1-E6,
E11-E16, NuV25

2.2.3 Removal of Preservation

Prior to operation, the pump must be rinsed
thoroughly. In the case of additional preservation,
the preservation means on the inside must at first
be removed.

3 Description

3.1 Design

Horizontal and vertical, single-stage or multi-stage
ring section pumps, with or without an electric
drive unit, on a common bed-plate or unit­construction pumps, available in different
construction materials, sizes and with different
shaft sealings.
Self-priming pumps are provided with an inlet
bend fitted at the suction branch.