Edition: 1.12.2011 · BA 200-EN
Original Operating Instructions
R-VWP
R-VWP 500 | 1000 | 1500 | 2500
R-Serie
R-Series
Wälzkolben
Rotary Lobe
Table of contents
Table of contents
1 Foreword . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
1.1 Principles . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
1.2 Target group . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
1.3 Supplier documentation and accompanying documents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
1.4 Abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
1.5 Directives, standards, laws . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
1.6 Symbols and meaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
1.7 Technical terms and meaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
1.8 Copyright . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2 Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.1 Warning instruction markings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.2 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.3 Designated use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2.4 Unacceptable operating modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2.5 Personal qualifi cations and training . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
2.6 Safety-conscious work . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
2.7 Safety notes for the operator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
2.8 Safety instructions for installing, commissioning and maintenance . . . . . . . . . . . . . . . . . . . . . . 9
2.9 Guarantee conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
3 Transport, storage and disposal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
3.1 Transportation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
3.1.1 Unpack and check the delivery condition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
3.1.2 Lifting and transporting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
3.2 Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
3.2.1 Ambient conditions for storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
3.3 Disposal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
4 Set up and operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
4.1 Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
4.1.1 Data plate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
4.2 Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
4.3 Areas of application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
5 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
5.1 Preparing for installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
5.2 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
5.2.1 Connection positions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
5.3 Connecting pipes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
5.4 Sealing gas connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
5.5 Gauge connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
5.6 Filling with lubricating oil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
5.7 Connecting the motor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
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Table of contents
6 Commissioning and decommissioning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
6.1 Commissioning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
6.1.1 Checking the rotation direction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
6.2 Decommissioning/ storing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
6.3 Re-commissioning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
7 Maintenance and repair . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
7.1 Ensuring operational safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
7.2 Maintenance work . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
7.2.1 Coupling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
7.2.2 Air fi ltering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
7.2.3 Lubricating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
7.2.4 Changing of the shaft sealing rings and the shaft wearing sleeve . . . . . . . . . . . . . . . . 28
7.3 Repair/ Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
7.4 Spare parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
8 Malfunctions: Causes and elimination . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
9 Technical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
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Foreword
1 Foreword
1.1 Principles
These operating instructions:
• are a part of the following contact free running
rotary lobe vacuum pumps, models R-VWP 500,
R-VWP 1000, R-VWP 1500 and R-VWP 2500.
• describe how to use them safely and properly in
all life phases.
• must be available where the equipment is used.
1.2 Target group
The target group for these instructions is technically
trained specialists.
1.3 Supplier documentation and accompanying documents
Document Contents No.
Operating Instructions BA 200-EN
Supplier documentation
Spare parts‘ list Spare parts document
Data sheet Technical data and graphs D 200 / D 201
Info sheet Storage guidelines for machines I 150
Manufacturer’s declaration
1.4 Abbreviations
1.5 Directives, standards, laws
See Conformity Declaration
Declaration of Conformity C 0050-EN
Declaration of harmlessness 7.7025.003.17
E 199 / E 200
E 201
EU Directive 2002/95/EG (RoHS)
Fig. Figure
R-VWP vacuum pump
m3/h pumping capacity
—
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1.6 Symbols and meaning
Symbol Explanation
Condition, pre-requisite
#### Instructions, action
a), b),... Instructions in several steps
Results
Foreword
[-> 14]
Cross reference with page number
Information, note
Safety symbol
Warns of potential risk of injury
Obey all the safety instructions with this symbol in order to avoid injury
and death.
1.7 Technical terms and meaning
Term Explanation
Machine Pump and motor combination ready to be connected
Motor Pump drive motor
Vacuum pump Machine to create a vacuum
Rotary lobe Machine‘s design or active principle
Pumping capacity
Vacuum pump volume fl ow related to the condition in the suction connection
Compression ratio The compression ratio specifi es the proportion between the intake pres-
sure and the pre-vacuum.
Noise emission
The noise emitted at a specifi c loading given as a fi gure, sound pressure
level dB(A) as per EN ISO 3744.
1.8 Copyright
Passing on or copying this document, using and
providing information on its contents are prohibited
unless expressly permitted. Contraventions will lead
to claims for damages.
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Safety
2 Safety
The manufacturer is not responsible for damage if
you do not follow all of this documentation.
2.1 Warning instruction markings
Warning Danger level Consequences if not obeyed
DANGER
WARNING
CAUTION
NOTICE
2.2 General
immediately imminent danger Death, severe bodily injury
possible imminent danger Death, severe bodily injury
possible hazardous situation Slight bodily injury
possible hazardous situation Material damage
These operating instructions contain basic instructions for installation, commissioning, maintenance
and inspection work which must be obeyed to ensure the safe operation of the machine and prevent
physical and material damage.
The safety instructions in all sections must be taken
into consideration.
The operating instructions must be read by the
responsible technical personnel/ operator before
installing and commissioning and must be fully understood. The contents of the operating instructions
must always be available on site for the technical
personnel / operator. Instructions fi xed directly onto
the machine must be obeyed and must always remain legible. This applies for example to:
• Symbols for connections
• Data and motor data plate
• Instruction and warning plates
The operator is responsible for observing local regulations.
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Safety
2.3 Designated use
The machine must only be operated in such areas
as are described in the operating instructions:
• only operate the machine in a technically perfect
condition
• do not operate the machine when it is only partially assembled
• the machine must only be operated at an ambient temperature and suction temperature of
between 5 and 40°C. Please contact us for
temperatures outside this range.
• Rotary lobe pumps are used, normally, in combination with backing pumps.
• the machine may convey, compress or extract
the following media:
• all non-explosive, non-infl ammable, non-ag-
gressive and non-poisonous dry gases and
gas air mixtures
• also to feed in extremely damp gases. The
water vapour compatibility is very high.
2.4 Unacceptable operating modes
• extracting, conveying and compressing explosive, infl ammable, aggressive or poisonous media, e.g. dust as per ATEX zone 20-22, solvents
as well as gaseous oxygen and other oxidants,
water vapour, liquids or solid materials
• using the machine in non-commercial plants if
the necessary precautions and protective measures have not been taken in the plant
• installing in environments that are at risk of explosions
• using the machine in areas with ionising radiation
• modifi cations to the machine and accessories
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Safety
2.5 Personal qualifi cations and training
• Ensure that people entrusted with working on
the machine have read and understood these
operating instructions before starting work,
particularly the safety instructions for installation,
commissioning, maintenance and inspection
work.
• Manage the responsibilities, competence and
monitoring of staff
• all work must only be carried out be technical
specialists:
• Installation, commissioning, maintenance
and inspection work
• Working with electricity
• personnel being trained to work on the ma-
chine must be supervised by technical specialists only
2.6 Safety-conscious work
The following safety regulations apply in addition
to the safety instructions and intended use listed in
these instructions:
• Accident prevention regulations, safety and operating regulations
• the standards and laws in force
2.7 Safety notes for the operator
• hot parts of the machine must not be accessible
during operation or must be fi tted with a guard
• People must not be endangered by the free
extraction or discharge of pumped media
• Risks arising from electrical energy must be
eliminated.
• The machine must not be in touch with infl ammable substances.
Danger of fi re by hot surfaces, discharge of
pumped media or cooling air
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Safety
2.8 Safety instructions for installing, commissioning and maintenance
• The operator will ensure that any installation,
commissioning and maintenance work is carried out by authorised, qualifi ed specialists who
have gained suffi cient information by an in-depth
study of the operating instructions.
• Only work on the machine when it is idle and
cannot be switched on again
• Ensure that you follow the procedure for decommissioning the machine described in the operating instructions.
• Fit or start up safety and protective devices
again immediately after fi nishing work.
• Conversion work or modifi cations to the machine are only permissible with the manufacturer’s consent.
• Only use original parts or parts approved by the
manufacturer. The use of other parts may invalidate liability for any consequences arising.
• Keep unauthorised people away from the machine
2.9 Guarantee conditions
The manufacturer’s guarantee or warranty will no
longer apply in the following cases:
• Improper use
• Not complying with these instructions
• Operation by insuffi ciently qualifi ed staff
• Using spare parts that have not been approved
by Gardner Denver Schopfheim GmbH
• Unauthorised modifi cations to the machine or
the accessories supplied by Gardner Denver
Schopfheim GmbH
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Transport, storage and disposal
3 Transport, storage and disposal
3.1 Transportation
3.1.1 Unpack and check the delivery condition
a) Unpack the machine on receipt and check for
transport damage.
b) Notify the manufacturer of transport damage im-
mediately
c) Dispose of the packaging in accordance with the
local regulations in force.
3.1.2 Lifting and transporting
When transporting with the lifting device remem-
a) Select the lifting device suitable for the total
b) Ensure that the machine cannot tip and fall.
c) Do not stop under a suspended load.
d) Put the goods to be conveyed on a horizontal
Lifting device/ Transporting with a crane
2
1 2 1
a) Screw two eyebolts into the threaded holes
b) Tighten the eyebolts (Fig. 1/2) fi rmly.
c) The machine must be suspended on the eye-
WARNING
Death or limbs crushed as a result of the items
being transported falling or tipping over.
ber:
weight to be transported.
base.
WARNING
Bodily injury resulting from improper operation
a) Loads crosswise to the ring level are not per-
mitted.
b) Avoid impact stress.
(Fig. 1/1):
M 10 ➝ VWP 500
M 12 ➝ VWP 1000 / 1500
M 20 ➝ VWP 2500
bolts using the lifting device for lifting and transporting.
Fig. 1 Lifting and transporting
1 Threaded hole
2 Eyebolt
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3.2 Storage
Transport, storage and disposal
NOTICE
Material damage caused by improper storage.
Ensure that the storage area meets the following
conditions:
a) dust free
b) vibration free
3.2.1 Ambient conditions for storage
Ambient conditions Value
Relative humidity 0% to 80%
Lagertemperatur -10°C to +60°C
The machine must be stored in a dry environment
with normal air humidity. It should not be stored for
more than 6 months.
see Info “Machine storage guidelines”, Page 4
3.3 Disposal
WARNING
Danger from infl ammable, corrosive or poisonous substances.
Machines that come into contact with hazardous substances must be decontaminated before
disposal.
When disposing ensure the following:
a) Collect oils and grease separately and dispose
of in accordance with the local regulations in
force.
b) Do not mix solvents, limescale removers and
paint residues
c) Remove components and dispose of them in
accordance with the local regulations in force.
d) Dispose of the machine in accordance with the
national and local regulations in force.
e) Parts subject to wear and tear (marked as such
in the spare parts list) are special waste and
must be disposed of in accordance with the
national and local waste laws.
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Set up and operation
4 Set up and operation
4.1 Setup
OH
G
1
AQ
Q
2
F
E
F
B
SS
MN G P
U
1
B
OH
K
2
1
I
2
P
Q
U I
K
1
1
Fig. 2 Rotary lobe vacuum pump R-VWP 500 / R-VWP 1000 / R-VWP 1500
A High-vacuum connection
B Pre-Vacuum connection
E Cooling air inlet
F Cooling air outlet
G Sealing oil pot
G1 Ventilation screw
H1, H2 Oil fi lling point
I1, I2 Oil sight glass
M Oil recommendation plate
N Data plate
O Rotation direction plate
P Drive motor
P1 Motor data plate
Q hot surfaces > 70S °C
S Sealing gas connection
U Gauge connection
K1, K2 Oil discharge point
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Set up and operation
G
1
Q
F
E
F
B
SS
U
MN G P
H
6
1
B
Q
H
A
Oa
2
I
K
2
2
P
1
U K
Q
I
SS
1
Fig. 3 Rotary lobe vacuum pump R-VWP 2500
A Vacuum connection
B Exhaust air outlet
E Cooling air inlet
F
Cooling air outlet
G Sealing oil pot
G1 Ventilation screw
H1, H2 Oil fi lling point
I1, I2 Oil sight glass
K1, K2 Oil discharge point
M Oil recommendation plate
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a
1
6
N Data plate
O Rotation direction plate
P
Drive motor
P
Motor data plate
1
Q
hot surfaces > 70°C
S Sealing gas connection
U Gauge connection
a6 Threaded hole
X Foot (optional extras)
13
Set up and operation
4.1.1 Data plate
1
3 4 52
2 Serial number
1 Type/ Size (mechanical version)
3 Year of construction
4 Item no.
5 Pressure difference
7<39:3
616&
,'
¨SPD[PEDU
QRPLQDOPñK
6 Suction capacity
(1
0DGHLQ*HUPDQ\5RJJHQEDFKVWUDVVH'6FKRSIKHLP
N: PLQ
8
7
6
7 Speed
8 Motor rating
Fig. 4 Data plate
4.2 Description
Roots pumps are two shaft, rotary piston pumps, where two symmetrical rotary pistons are rotating in opposite directions in a housing and are synchronised by a pair of toothed gears.
The pumping chamber of Roots pumps is oil free. The synchronised drive gears and the bearings for the
rotors are oil lubricated. The drive gears and the bearings are fi tted into the two end chambers which also
contain the oil tanks.
Both the end chambers are separated from the pumping chamber using labyrinth seals. Both oil tanks are
designed so that all rotational speeds, bearings and gears are supplied with the correct amount of oil.
An integral unloading valve (Fig. 5/C) gives the automatic facility to start the Roots pump at the same time as
the backing pump. Consequently when starting, an overload of the drive motor can be avoided.
The R-VWP has a protection mesh on the inlet.
High-vacuum connection (Fig. 2/A, 3/A 5/A) and pre-vacuum connection (Fig. 2/B, 3/B, 5/B) have fl anges
according to DIN 28404 (R-VWP 500/ 1000/ 1500) or DIN 2501 (R-VWP 2500).
All the pumps are driven by a direct fl anged three phase, standard TEFV motor via a pin and bush coupling.
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Set up and operation
A
C
B
B
Fig. 5 Rotary lobe vacuum pump R-VWP
A High-vacuum connection
C Unloading valve
B Pre-Vacuum connection
4.3 Areas of application
The contact-less operating Roots vacuum pumps R-VWP are primarily used for producing coarse and fi ne
vacuum and for handling gasses and vapours.
They can tolerate water vapour and most corrosive vapours. Contamination that could be drawn in such as
dust and liquid can not build up in the conveyor chamber even after shutdown because the direction of fl ow
is from the top to the bottom of the units.
Roots boosters are normally used in combination with backing pumps.
The vacuum capacities at atmosphere are 485, 1072, 1580 und 2293 m3/hr operating on 50 cycles. The
pumping curves which show max. compression ratio against pre-vacuum, can be found in data sheets D 200
and D 201.
If the unit is switched on more frequently (at regular intervals of about 10 times per hour or at higher
ambient temperatures and intake temperatures, the
excess temperature limit of the motor winding and
the bearings may be exceeded.Please contact the
manufacturer should the unit be used under such
conditions.
If it is installed in the open air the unit must be protected from environmental infl uences, (e.g. by a protective roof).
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Installation
5 Installation
5.1 Preparing for installation
Check the following points:
• Machine freely accessible from all sides
• Do not close ventilation grids and holes
• Suffi cient room for installing and removing pipes
and for maintenance work, particularly for installing and dismantling the machine
• No external vibration effects
• Do not suck any hot exhaust air from other machines into the cooling system.
The oil fi lling ports (Fig. 2, 3/H
K2) and sealing oil pot (Fig. 2, 3/G) should all be easily accessible.
The cooling air entry (Fig. 2, 3/E) and the cooling air exit (Fig. 2, 3/F) must have a minimum distance of 20 cm from any obstruction. The discharged cooling air must not be re-circulated
5.2 Installation
, H2), oil sight glasses (Fig. 2, 3/I1, I2), oil drain points (Fig. 2, 3/K1,
1
NOTICE
The machine may only be operated when it is
set up horizontally.
Material damage resulting from the machine
tipping over and falling.
When installed at more than 1000 m above sea
level a reduction in power is noticeable. In this
case we would ask you to contact us.
Contamination in the intake air
To protect the machine the operator should install
appropriate fi lters on the suction side.
Ensure that the foundation complies with
the following conditions:
• Level and straight
• The bearing surface must be designed to be
able to take the weight of the machine.
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16
Installation
The Roots pumps should be mounted in a horizontal position. Four holes are provided in the foot
for securing.
For free installation without fi xation, we recommend to ensure stability a base frame
with anti-vibration mounts (optional extras).
If the pumps are installed on a base plate we would recommend fi tting anti-vibration mounts.
NOTICE
When holding down bolts are tightened care
should be taken that no stress is transferred to
the pump base. Similarly when connecting the
pipework care should be taken and if necessary pipe bellows should be used.
5.2.1 Connection positions
The VWP can be operated in 4 different connection
positions.
Standard version is position 01.
VWP 500 - 1500
01 02 03 04
VWP 2500
01 02 03 04
AA AA
AA A A
Fig. 6 Connection positions
B
BB
B
BB
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B
B
17
Installation
5.3 Connecting pipes
a)
Remove transportion cover of the pre-vacuum
and high-vacuum connection.
b) High-vacuum connection at (Fig. 2/A... 3/A).
NOTICE
The pumping capacity of the vacuum pump
is reduced if the suction pipe is too narrow
and/or too long.
If the suction pipe is longer than 5 m, then a
larger diameter than that of the pump fl ange
should be used.
c) Pre-vacuum connection at (Fig. 2/B... 3/B).
NOTICE
The pre-vacuum connection must not be obstructed or partly obscured.
5.4 Sealing gas connection
In order to prevent aggressive media from pen-
etrating into the gear chamber, sealing gas can be
superimposed over the labyrinth sealing system (see
sealing gas connection (Fig. 2, 3/S)).
For further information please contact our company.
5.5 Gauge connection
Gauge connection at (Fig. 2, 3/U) for connecting of
measuring installations.
5.6 Filling with lubricating oil
a) The lubricating oil (recommended brands see
under “Maintenance”) for the toothed wheels
and bearings can be put into the booth oil fi ller
ports (Fig. 2, 3/H1, H2), until the oil level shows at
the middle of the oil sight glasses (Fig. 2, 3/I1, I2).
After fi lling make sure the oil fi ller port is closed.
b) The shaft sealing oil must be fi lled in the sealing
oil pot (Fig. 2, 3/G). The oil level must be visible.
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18
5.7 Connecting the motor
Installation
DANGER
Danger of death if the electrical installation has
not been done professionally.
The electrical installation must only be done by a
qualifi ed electrician observing EN 60204. The
operating company has to provide the main
switch.
a) The motor‘s electrical data is given on the data
plate (Fig. 2, 3/N) or on the motor data plate
(Fig. 2, 3/P
). The motors comply with DIN EN
1
60034 and are in protection class IP 55 and
insulation class F. The appropriate connection
diagram is located in the motor‘s terminal box
(not for the plug connection version). The motor
data must be compared with the data of the
existing mains network (current type, voltage,
network frequency, permitted current value).
b) Connect the motor via the motor protection
switch (for safety reasons, a motor protection
switch is required and the connecting cable
must be installed via a cable fi tting to provide
strain relief).
We recommend using motor protection switches
with delayed switch off, depending on possible
excess current. Temporary excess current may
occur when the machine is started cold.
c) The electrical control should be designed to start
the pre-pump before the Roots pump or simultaneously.
NOTICE
Power supply
The conditions at the installation location must match
the information on the motor data plate.
Without derating the following is permissible:
• ± 5% Voltage deviation
• ± 2% Frequency deviation
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19
Commissioning and decommissioning
6 Commissioning and decommissioning
6.1 Commissioning
WARNING
Improper use
May lead to severe or fatal injuries. Therefore be
sure to obey the safety instructions.
CAUTION
Hot surfaces
When the machine is at operating temperature
the surface temperatures on the components
(Fig. 2, 3/Q) may go above 70°C.
You must avoid touching the hot surfaces
(marked with warning plates).
CAUTION
Noise emission
The highest noise pressure levels measured as
per EN ISO 3744 are given in Section 9.
When spending a long time in the vicinity of the
running machine use ear protectors to avoid
permanent damage to your hearing.
NOTICE
Wait until the machine stops.
The machine must only be switched on again
after it stops.
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20
6.1.1 Checking the rotation direction
Commissioning and decommissioning
The intended direction of rotation of the drive
shaft is shown by the rotary direction arrow
(Fig. 2, 3/O).
a) Start the motor briefl y (max. two seconds) to
check the direction of rotation. When looking at
the motor fan, it must rotate clockwise.
NOTICE
Incorrect direction of rotation
Operating in the wrong direction of rotation leads
to damage to the machine.
Use a phase sequence indicator to check the direction of rotation (anti-clockwise rotating fi eld).
6.2 Decommissioning/ storing
Stop the machine
a) Switch the machine off.
b) If available close the cut off device in the suction
and pressure pipe.
c) Disconnect the machine from the electricity
source.
d) Depressurise the machine:
Open the pipes slowly.
The pressure reduces slowly.
e) Remove the pipes and hoses.
f) Seal the connections for suction and discharge
nozzles with adhesive foil.
see also Section 3.2.1, Page 11
6.3 Re-commissioning
a) Check the condition of the machine (cleanliness,
cabling etc.).
For installation see Section 5 Page 16
For commissioning see Section 6.1 Page 20
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21
Maintenance and repair
7 Maintenance and repair
7.1 Ensuring operational safety
Regular maintenance work must be carried out in order to ensure operational safety.
Maintenance intervals also depend on the operational demands on the machine.
With any work observe the safety instructions described in Section 2.8 “Safety notes for installation, com-
missioning and maintenance”.
DANGER
Danger of death from touching live parts.
Before maintenance work disconnect the machine
by pressing the main switch or unplugging it and
ensure that it cannot be turned on again.
WARNING
Hot surfaces and equipment
During maintenance work there is the danger of
getting burnt on hot components (Fig. 2, 3/Q) and
by the machine lubricating oil.
Wait for the machine to cool down.
The whole unit should always be kept in a clean condition.
7.2 Maintenance work
Interval Maintenance to be carried out Section
monthly Check the pipes and screws for leaks and to ensure they are
seated properly and if necessary seal again or tighten up.
monthly Check the terminal box and cable inlet holes for leaks and if
necessary re-seal.
monthly Clean the ventilation slots and the cooling ribs on the ma-
chine.
at least once a year Check for coupling wear 7.2.1
depending on how dirty the
discharged medium is
weekly / daily Check the oil level and the sealing oil 7.2.3
5.000 h Changing the oil
Sealing oil degrades rapidly Changing of the shaft sealing rings and the shaft wearing
Clean the protection mesh 7.2.2
sleeve
—
—
—
7.2.4
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22
7.2.1 Coupling
m
Fig. 7 Coupling VWP 2500
Maintenance and repair
VWP 2500
s
1
The coupling sprocket (Fig. 7/k)) is subject to wear
and must be checked regularly (at least once a year).
k
q
CAUTION
Defective coupling sprocket
Defective sprockets may lead to the rotor shaft
breaking.
To check the coupling switch the motor (Fig. 7/m)
off and ensure that it cannot be switched on again.
Remove the screws (Fig. 7/s1). Remove the motor
axially with the half of the coupling on the motor
side (Fig. 7/q) and suspend with the lifting device.
If the sprocket (Fig. 7/k) is damaged or worn then
exchange the rim .
NOTICE
Frequent starting up and high ambient temperature
The service life of the sprocket (Fig. 7/k) is reduced.
Re-assemble in reverse order.
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23
Maintenance and repair
VWP 500 - 1500
The coupling rubbers (Fig. 8/k) are subject to wear
and und must be checked regularly (at least once
a year). You can tell when the coupling rubbers are
worn by a knocking noise when the pump starts up.
CAUTION
Defective coupling rubbers
Defective coupling rubbers may lead to the rotor
shaft breaking.
To check the coupling switch the motor (Fig. 8/m)
off and ensure that it cannot be switched on again.
After unscrewing the allen screws (Fig. 8/s
) pull off
1
the motor (Fig. 8/m) together with the motor side
coupling half (Fig. 8/q) and suspend with the lifting
device. After unscrewing the allen screws (Fig. 8/s
2
remove the motor fl ange (Fig. 8/n). If the coupling
rubbers (Fig. 8/k) are damaged remove the circlips
(Fig. 8/l) from the coupling bolt (Fig. 8/r) and exchange the coupling rubbers (Fig. 8/k). Leave the
spacer (Fig. 8/p) in place.
Checking and changing the coupling bolts (Fig. 8/r):
Unscrew countersunk screw (Fig. 8/s3) and remove
with disc (s4). Pull off the driven coupling (Fig. 8/q1)
with a suitable puller. Remove the nut (Fig. 8/w) with
washer (Fig. 8/u) and exchange the coupling bolts.
)
ACHTUNG
Frequent start up and high ambient temperature
The service life of the coupling rubber (Fig. 8/k) is
reduced by this.
Re-assemble in reverse order.
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24
m q s2n f
Maintenance and repair
s3s
lkp r u, w
Fig. 8 Coupling VWP 500 - 1500
7.2.2 Air fi ltering
1
q
1
4
s
1
NOTICE
Insufficient maintenance on the protection
mesh
The power of the machine lessens and damage may
occur to the machine.
Fig. 9 Blowing out the protection mesh
1 Protection mesh
Compressed air
2
Protection mesh
Optional extras at VWP 2500
2
The protection mesh (Fig. 9/f) installed on the inlet
side must be cleaned by rinsing out or purging or
replaced more or less often depending on how dirty
the aspirated medium is.
For this the suction pipe to the Roots pump must be
removed.
WARNING
Danger of injury when dealing with compressed air.
When blowing through with compressed air, solid
particles may be carried along or powder dust swirling around may cause injury to the eyes.
Therefore, when cleaning with compressed air always
wear goggles and a dust mask.
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25
Maintenance and repair
7.2.3 Lubricating
m n qGn
q
1
s
s
5
1
1
Fig. 10 Lubricating VWP 500 - 1500
1
K
1
fH
H
2
K
2
VWP 500 - 1500
I
2
NOTICE
Always change the oil when the machine is at
operating temperature and in an atmospherically
ventilated area.
If it is not completely emptied the amount that can
be refi lled is reduced.
The waste oil must be disposed of in compliance with
the local environmental protection regulations.
If you are going to use another oil type, empty the
oil removing device housing and oil cooler
completely.
Sealing oil
When the units are in continuous use the oil level in
the oil pot (Fig. 2, 3/G) should be checked daily and
the oil in the sight glasses (Fig. 2, 3/I1, I2) should be
checked weekly. The oil pot may be topped up when
the units are in operation. The oil level in the two
end cases however can only be topped up when the
units are switched off and vented to atmospheric
pressure.
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26
Maintenance and repair
m nq G H
s
1
q
1
s
K
5
3
1
n
s
1
6
Fig. 11 Lubricating VWP 2500 Oil change
The oil in these two chambers should be changed
after 5000 operating hours under normal ambient
conditions (see oil drain screws (Fig. 2, 3/K1, K2)).
The oil in the oil pot does not require complete
changing only topping up. If however this consumption is excessive it will be necessary to change the
shaft sealing rings and the shaft wearing sleeve.
The viscosity must correspond to ISO-VG 100 according to DIN 51 519.
VWP 500 - 1500
Elmo Rietschle oil types: MULTI-LUBE 100 (mineral
oil) see also oil recommendation plate (Fig. 2/M)).
VWP 2500
Elmo Rietschle oil types: SUPER-LUBE 100 (synthetic oil) see also oil recommendation plate (Fig. 3/M)).
H
2
VWP 2500
I
2
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27
Maintenance and repair
7.2.4 Changing of the shaft sealing rings and the shaft wearing sleeve
n5n4n
s
2
s
s
4
3
3
VWP 500 - 1500
s
Fig. 12 Changing of the shaft sealing rings and the
shaft wearing sleeve VWP 500 - 1500
n
1
Switch off the pumps and vent to atmospheric pressure.
After unscrewing the allen screws (Fig. 10, 11/s
n
6
2
) pull
1
off the motor together with the motor side coupling
half (Fig. 10, 11/q) and suspend with the lifting device.
VWP 500 - 1500
After unscrewing the screws (Fig. 10/s5) remove the motor fl ange (Fig. 10/n). Unscrew countersunk screw
(Fig. 12/s2) and remove with disc (Fig. 12/s3). Pull off the coupling driven (Fig. 10/q1) with a suitable puller.
Remove key (Fig. 12/s5). Drain the oil in the chamber on the motor side by unscrewing the plug (K1). After
unscrewing the allen screws (Fig. 12/s6) lever out the intermediate fl ange (Fig. 12/n1) in the area of the fi xing
pin. The splash plate (Fig. 12/n2) must have a vertical position with their recess, otherwise it is impossible
to remove the intermediate fl ange. Remove wearing sleeve (Fig. 12/n3) of the piston and change it. Push
off sealing rings (Fig. 12/n4) resp. (Fig. 12/n5) with a drift from the motor side out of the intermediate fl ange
(Fig. 12/n1) and change them.
Re-assemble in reverse order.
NOTICE
For fi lling the sealing oil chamber with oil remove
the ventilation screw (Fig. 2/G1).
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28
Maintenance and repair
n
4
s
s
s
3
2
n
4
6
n
2
n4n
n1s
3
6
VWP 2500
Fig. 13 Changing of the shaft sealing rings and the
shaft wearing sleeve VWP 2500
VWP 2500
After unscrewing the screws (Fig. 10/s5) remove the motor fl ange (Fig. 11/n). Unscrew screw (Fig. 13/s2) and
remove with disc (Fig. 13/s3). Pull off the coupling driven (Fig. 13/q1) with a suitable tool from the shaft end.
Remove key (Fig. 13/s4). Drain the oil in the chamber on the motor side by unscrewing the plugs (Fig. 3/K1)
and (Fig. 11/K3). After unscrewing the screws (Fig. 11/s) remove motor fl ange (Fig. 11/n). Remove screws
(Fig. 13/s6). To pull off the intermediate fl ange (Fig. 13/n1), two screws should be screwed into the two
threads Fig. 3/a6. Remove wearing sleeve (Fig. 13/n3) of the piston. Push on new wearing sleeve and O-ring.
Take care that the O-ring is not damaged. Push off sealing rings (Fig. 13/n4) and supporting ring (Fig. 13/n6)
with a drift out of the motor fl ange (Fig. 11/n) and intermediate fl ang. Mount new sealing rings and supporting ring. Take care on right fi tting position. Mount intermediate fl ange (Fig. 13/n1) and motor fl ange (Fig. 11/
n). Take care that the sealing rings are not damaged on the keyway eventual use a protection sleeve.
Re-assemble of the remaining components in reverse order.
Fill oil in bearing and sealing oil chamber.
NOTICE
For fi lling the sealing oil chamber with oil remove
the ventilation screw (Fig. 3/G1).
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29
Maintenance and repair
7.3 Repair/ Service
a) For on site repair work the motor must be
disconnected from the mains by a qualifi ed
electrician so that it cannot be started up again
accidentally. For repairs use the manufacturer,
its branch offi ces or authorised dealers. Please
contact the manufacturer for the address of the
service centre responsible for you (see Manufacturer‘s address).
NOTICE
For each machine that is sent to an Elmo Rietschle
Service centre for inspection, maintenance or repair, a
fully completed, signed declaration of harmlessness
must be enclosed.
The declaration of harmlessness is part of the
supplier‘s documentation.
Fig. 14 Clearance certifi cate 7.7025.003.17
b) After a repair or re-commissioning, the actions
listed under „Installation“ and „Commissioning“
must be carried out as for initial commissioning.
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30
7.4 Spare parts
Maintenance and repair
Order spare parts in accordance with the:
• Spare parts list:
E 199 ➝ R-VWP 500
E 200 ➝ R-VWP 1000 / R-VWP 1500
E 201 ➝ R-VWP 2500)
• Download the PDF fi le:
http://www.gd-elmorietschle.com
➝ Downloads
➝ Product Documents
➝ C-Series ➝ Spare Parts
• Parts subject to wear and gaskets are indi-
cated separately on the list.
• Web site:
http://www.service-er.de
• Select the type, size and design.
NOTICE
Fig. 15 Spare parts list (example)
Only use original spare parts or parts approved by
the manufacturer. The use of other parts may lead to
malfunctions and invalidate liability or the guarantee
for any consequences arising.
Fig. 16 Web site
http://www.service-er.de
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31
Malfunctions: Causes and elimination
8 Malfunctions: Causes and elimination
Fault Cause Troubleshooting Important
Machine is switched
off by the motor protection switch
Pumping capacity is
insuffi cient
Mains voltage/ Frequency
does not correspond with the
motor data
Connection to motor terminal
board is not correct
Motor protection switch is not
set correctly
Motor protection switch is
triggered too quickly
The mesh fi lter is dirty Clean or replace the mesh
The suction pipe is too long or
too narrow
Machine or system leaking Check the pipework and
Check by qualifi ed electrician Section 5.5
Use a motor protection switch
with an overload-dependent
delayed switch off that takes
into consideration the short
term excess current at start
up (version with short circuit
and overload trigger as per
VDE 0660 Part 2 orIEC 947-4)
fi lter
Check the hose or the pipe Section 5.3
screw connections for leaks
and to ensure that they are
fi rmly seated
Section 7.2.2
Section 7.4
Section 7.2
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32
Malfunctions: Causes and elimination
Fault Cause Troubleshooting Important
Pre-pump does
not reach ultimate
vacuum
Machine or system leaking Check the pipework and
screw connections for leaks
and to ensure that they are
Section 7.2
fi rmly seated.
Machine gets too hot Ambient or intake temperature
is too high
Cooling air supply is obstructed
Ensure it is being used properly
Check environmental conditions
Section 2.3
Section 5.1
Clean ventilation slots Section 7.2
Sealing oil degrades
rapidly
The machine makes
a abnormal noise
Sealing rings and the wearing sleeve of the shaft
feedthrough are worn out
Change sealing rings and the
wearing sleeve of the shaft
feedthrough
Deposits on the rotary piston Clean the working space and
the rotary piston
The coupling rubbers are
Replace coupling rubbers Section 7.2.1
Section 7.2.4
Elmo Rietschle
Service
worn
Please contact Elmo Rietschle Service for other malfunctions or those that cannot be eliminated.
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33
Technical Data
9 Technical Data
R-VWP 500 1000 1500 2500
Sound pressure level (max.)
EN ISO 3744
Tolerance± 3 dB(A)
Sound power level dB(A)
Weight * kg 100 180 225 342
Length * mm 871 931 1058 1192
Width mm 315 418 738 535
Height mm 260 370 370 454
High-vacuum connection
Pre-vacuum connection
Correct amount of oil l 1,5 3,5 3,5 2,8
* The length and the weight may differ from the information listed here depending on the motor manufac-
turer.
dB(A)
50 Hz 79 80 82 82
60 Hz 83 86 87 87
50 Hz - - - -
60 Hz - 90 92 92
DN 100
DIN 28404
DN 100
DIN 28404
DN 160
DIN 28404
DN 100
DIN 28404
DN 160
DIN 28404
DN 100
DIN 28404
DN 150
DIN 2501
DN 100
DIN 2501
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34
Technical Data
You will fi nd more technical data on the data sheet
D 200 and D 201
• Download the PDF fi le:
D 200 ➝ R-VWP 500 - R-VWP 1500
D 201 ➝ R-VWP 2500
• Download the pdf fi le:
http://www.gd-elmorietschle.com
➝ Downloads
➝ Product Documents
➝ R-Series ➝ Data Sheets
NOTICE
Subject to technical changes.
Fig. 17 Data sheet (example)
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35
Elmo Rietschle is a brand of
Gardner Denver‘s Industrial Products
Division and part of Blower Operations.
www.gd-elmorietschle.com
er.de@gardnerdenver.com
Gardner Denver
Schopfheim GmbH
Roggenbachstraße 58
79650 Schopfheim · Deutschland
Tel. +49 7622 392-0
Fax +49 7622 392-300
Hereby the manufacturer
confirms:
EC - declaration of conformity 2006/42/EC
Gardner Denver Schopfheim GmbH
Postfach 1260
D-79642 Schopfheim
that the machine:
of the:
Roots vacuum pump
Series: R-VWP 500
Type: R-VWP 500, R-VWP 1000,
R-VWP 1500, R-VWP 2500
is conform to the regulations of the guideline indicated above.
The following harmonized and national standards and specifications are applied:
EN 1012-1:2010
EN 1012-2:1996+A1:2009 Compressors and vacuum pumps — Safety requirements — Part 2:
Compressors and vacuum pumps — Safety requirements — Part 1:
Compressors
Vacuum pumps
These declarations of conformity are invalid when the machine has been modified without prior approval by us and the approval has been documented in writing.
Name and address of the EC person in
charge for documentation
Gardner Denver Schopfheim GmbH
Postfach 1260
D-79642 Schopfheim
Gardner Denver Schopfheim GmbH
Schopfheim, 1.12.2011
Dr. Friedrich Justen, Director Engineering
C_0050_EN
Safety declaration form
s
.
s
/
A
.
3
S
for vacuum pumps and component
7.7025.003.17
Page 1 of 1
Gardner Denver Schopfheim GmbH
Roggenbachstr. 58, 79650 Schopfheim Phone: +49/(0)7622/392-0 Fax: +49/(0)7622/392-300
Repairs and/or maintenance of vacuum pumps and components will only be carried out if a declaration has been
filled in correctly and completely
.
If not, the repair work cannot be started and delays will result.
This declaration must only be filled in and signed by authorised qualified staff
2. Reason for the submission1. Type of vacuum pumps/ components
Type description:
Machine number
Order number:
Delivery date:
3. Condition of vacuum pumps/ component
4. Contamination of the vacuum pumps
Was this being operated? YES NO components when in use
Which lubrication was used? Toxic YES NO
Corrosive YES NO
Was the pump/ component emptied? Microbiological*) YES NO
(Product/Consumables) YES NO Explosive*) YES NO
Has the pump/ component been cleaned and decontaminaRadioactive*) YES NO
other YES NO
YES
Cleaning agent:
Cleaning method:
*) Microbiological, explosive or radioactively contaminated vacuum pumps/ components will only be accepted
with proof that they have been cleaned properly.
Type of toxic substance or process-related, dangerous reaction products with which the vacuum pumps/
components came into contact:
Trade name, manufacturer's Chemical Hazard
product name name class substances are released accidents
1
2
3
4
Personal protection measures:
ction to be taken if toxic First aid in the event of
Hazardous decomposition products when subjected to thermal load
YES NO
Which?
5. Legally binding declaration
We swear that the information in this declaration is accurate and complete and that I, the undersigned, am in a
position to judge this. We are aware that we are liable to the contractor for damage caused by incomplete and
inaccurate information. We undertake to release the contractor from any damage claims from third parties arising
from incomplete or incorrect information. We are aware that, regardless of this declaration, we are directly liable
to third parties including in particular the contractor's staff entrusted with handling or repairing the product
Company:
Street: Post code/ Town:
Phone: Fax:
Name (in capitals) Position:
Date:
Legally binding signature:
TOS no. / Index: 7.7025.003.17 / 0
Office responsible: G
Company stamp:
File management: ..\7702500317.xl
Gardner Denver Schopfheim GmbH Postfach 1260 D-79642 Schopfheim
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