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Operating and Maintenance Instructions
Screw pumps
Series
Order No.:
Machine No.:
Operating data, dimensions and other additional information can be found in the order-specific part of the
documentation.
These Operating and Maintenance
Instructions contain information from
the pump manufacturer. They may need
to be supplemented by instructions of
the operator company for its personnel.
These instructions do not take account
of specific information relating to opera-
tion and maintenance of the process
plant into which the pump is integrated.
Such information can only be given by
the persons responsible for construc-
tion and planning of the plant (plant
manufacturer).
Such specific instructions relating to
operation and maintenance of the
process plant into which the pump is
integrated have priority over the
instructions of the pump manufac-
turer. The plant manufacturer must
on principle observe the limits of
use!
Refer to the operating instructions of
the plant manufacturer!
Pump Ident. No.:
Pump Type:
Contents
Important note:
This operating manual is to be supplemented
by the order-related informations.
1
VM No.:
623.0004 GB
Edition:
Ident No.:
550 298
Retain
for future
use!
07.00
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Summary of Contents for Allweiler Emtec Series
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Page 1: Table Of Contents
Operating and Maintenance Instructions VM No.: 623.0004 GB Edition: 07.00 Ident No.: 550 298 Screw pumps Retain for future Series use! Order No.: Pump Ident. No.: Machine No.: Pump Type: Operating data, dimensions and other additional information can be found in the order–specific part of the documentation. -
Page 2: General
General Abbreviation Performance data The abbreviation of the screw pump is set up according The exact performance data applicable to the pump to the following schema, and is engraved on the type can be taken from the order data sheet and/or plate. -
Page 3: Safety
Safety These operating instructions contain basic safety Dangers in the event of non–compliance with instructions installation, operation safety instructions maintenance. It is therefore essential that they are read Failure to comply with the safety instructions may result by fitters and all specialist staff and customer personnel in danger to persons, and place the environment and prior to installation and start–up. -
Page 4: Transportation And Intermediate Storage
Safety instructions for maintenance, inspection Transportation and Intermediate Stor- and installation The operating company must ensure that all maintenance, inspection and installation tasks are Packaging performed by authorized and qualified specialist Attention must be paid to the figurative markings on the personnel who have thoroughly studied the operating packaging. - Page 5 Preservation and storage of the screw pumps 3.3.1.4 Depreservation Prior to setting the pump in motion, the preservative 3.3.1 Preservation applied must be removed. In the case of storage or prolonged standstill, the Environmentally compatible disposal must be pumps must be protected against corrosion. In those ensured.
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Page 6: Description
Description Structural design The idler spindles are hydraulically driven by means of Three–screw pumps in flange design form, with a appropriate dimensioning of the spindles. The torque double–threaded driving spindle and two double– resulting from the friction is transmitted via the profile threaded idler spindles, enclosed in a rotor housing flanks. -
Page 7: Installation/Mounting
Installation/Mounting Installation The overall height of the steel shims is determined by For installation methods and locations, please see in- the established system dimensions of the plant. The stallation drawing. steel shims and the base plate must be positioned evenly and securely. Other methods of installation are not permissible If the fixing holes are more than 750 mm apart, we re–... - Page 8 If a height, lateral or angle offset is detected between 5.4.2 Coupling alignment in case of flanged aggregates the two coupling halves, the drive motor should be re– (if used) aligned such that the coupling halves are flush with In the case of pumps with flanged drive motor, the pump each other (level out with flat packing shims as neces–...
- Page 9 Laying the pipelines 5.7.10 Filtering To protect the pump against coarse dirt contamination, 5.7.1 Nominal widths we recommend as a matter of principle installing a filter If possible, the nominal widths of the suction and in the suction pipeline, mesh width 0.6 mm. pressure pipelines should be rated so that the rate of Note: The service life of the pump is decisively flow does not exceed a maximum of 1 m/s in the suction...
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Page 10: Start-Up/Shutdown
Start–up/Shutdown Preparation for start–up When starting and stopping the pump under pressure, make sure that the 6.1.1 Filling the pump with fluid speed– and viscosity–dependent pressure load is Prior to initial operation, the screw pump not exceeded. must be filled with fluid and bled. This at the If this is not ensured, the pump must be started and same time provides the spindles with the sealing re- stopped at zero pressure. - Page 11 Shutdown S Drive Switch off the motor. Make sure the pump runs down smoothly and evenly. S Inlet line Close stop valve in inlet line. S Pressure pipeline If a non–return valve is installed in the pressure pipe- line, the stop valve can remain open. Without non– return valve, the stop valve must be closed.
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Page 12: Maintenance/Repair
Maintenance/Repair Maintenance A defective shaft seal can cause uncontrolled dis- charge of pumping liquid. S The instructions in Section 2, Safety, must be This constitutes a hazard to people (possibility of observed in maintenance and repair work. spraying liquid) and to the environment! S Regular monitoring and maintenance of the pump 7.1.2.3 Pressure–relief valve and the drive motor are essential for optimum ser-... - Page 13 À Hazardous substances are: Dismounting instructions: S Toxic substances S The fitting position of all components must be accu- S Health–endangering substances rately marked before dismounting. S Corrosive substances S Irritants 7.2.2 Mounting the screw pump S Explosive substances Before remounting check all parts for wear S Fire–inducing substances and aging and, as necessary, replace with S Highly flammable, easily flammable and normally...
- Page 14 When the screw pump has been mounted the following work must be carried out: S Align coupling (see Section 5.4). S Attach supply/suction and pressure pipelines. S Attach manometer lines, manometers and brackets to pump. S Attach contact protection. S The power supply cable must be connected to the motor by an authorized electrician.
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Page 15: Operating Faults, Causes And Remedial Action
Operating Faults, Causes and Remedial Action Faults with reference number for cause and remedial action The table below is intended as a guide to identifying faults and their possible causes. Faults relating to the pressure–relief valve are listed separately. If faults occur which are not listed here, or which cannot be traced back to the listed causes, we recommend consulting the factory, or one of our branch offices or sales offices. - Page 16 Flow rate in suction and pressure pipelines too Flow rate in suction pipeline must not exceed max. 1 m/s, and high. in pressure pipeline max. 3 m/s. Motor speed too high. Check speed and current consumption. Check voltage and frequency against motor rating plate. Delivery pressure too high.
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Page 17: Associated Documentation
Associated documentation Sectional drawing, Pump sizes 20 – 40 EMTEC...D8.6 – Pump with suction and delivery casing, and threaded pipe connection, with shaft seal Á Á Á Á Remove plugs before start–up Part No. Denomination Part No. Denomination Part No. Denomination –––––––––––––––––––––––––––––––––... - Page 18 Sectional drawing, Pump sizes 20 – 40 EMTEC...DQ – Pump with suction and delivery casing, and threaded pipe connection, without shaft seal Á Á Á Á Á Á Remove plugs before start–up Part No. Denomination Part No. Denomination Part No. Denomination –––––––––––––––––––––––––––––––––...
- Page 19 Explosion drawing, Pump sizes 20 – 40 VM 623.0004 GB/07.00 – Ident–Nr. 550 298...
- Page 20 Sectional drawing, Pump sizes 80 – 660 EMTEC...D8.6 – Pump with suction and delivery casing, and threaded pipe connection, with shaft seal Á Á Á Á Remove plugs before start–up Part No. Denomination Part No. Denomination Part No. Denomination ––––––––––––––––––––––––––––––––– –––––––––––––––––––––––––––––––––...
- Page 21 Sectional drawing, Pump sizes 80 – 660 EMTEC...DQ – Pump with suction and delivery casing, and threaded pipe connection, without shaft seal Á Á Á Á Á Remove plugs before start–up Part No. Denomination Part No. Denomination Part No. Denomination –––––––––––––––––––––––––––––––––...
- Page 22 Explosion drawing, Pump sizes 80 – 660 VM 623.0004 GB/07.00 – Ident–Nr. 550 298...
- Page 23 Order–specific Documentation These operating instructions are supplemented by the following documents: Acceptance of order Data sheet Installation drawing Sectional drawing Part list VM 623.0004 GB/07.00 – Ident–Nr. 550 298...
- Page 24 Subject to technical alterations. A Member of the COLFAX PUMP GROUP ALLWEILER AG S Werk Radolfzell Postfach 1140 S 78301 Radolfzell Allweilerstraße 1 S 78315 Radolfzell Germany Tel. +49 (0)7732 86-0 Fax +49 (0)7732 86-436 E-mail: service@allweiler.de Internet: http://www.allweiler.com VM 623.0004 GB/07.00 – Ident–Nr. 550 298...
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