INOXPA DCS Manual

INSTALLATION, SERVICE AND MAINTENANCE INSTRUCTIONS
TWIN SCREW PUMP
DCS
Original Manual
01.531.30.01EN
(0) 2021/09

01.531.30.02EN
(0) 2021/09
01.531.30.02EN
(0) 2021/09
EC Declaration of Conformity
We,
INOXPA, S.A.U.
Telers, 60
17820 –Banyoles (Girona)
Hereby declare under our sole responsibility that the machine
TWIN SCREW PUMP
Designation
DCS
Type
DCS 1B2, DCS 1B3, DCS 2B2, DCS 2B3, DCS 3B2, DCS 3B3, DCS 4B2,
DCS 4B3
From serial number IXXXXXX to IXXXXXX (1) / XXXXXXXXXIIN to XXXXXXXXXIIN (1)
Fulfills all the relevant provisions of the following directive:
Machinery Directive 2006/42/CE
Applicable harmonized standards:
EN ISO 12100:2010
EN 809:1998+A1:2009/AC:2010
EN 60204-1:2006+A1:2009
In compliance with Regulation (EC) nº 1935/2004 and Regulation (EC) 2023/2006 on
materials and articles intended to come into contact with food.
The technical file has been prepared by the signer of this document in INOXPA.
Signed by and on behalf of INOXPA S.A.U.
David Reyero Brunet
Technical Office Manager
Banyoles, 2nd September, 2021

INOXPA S.A.U. 01.531.30.01EN · (0) 2021/09 3
1. Table of contents
1. Table of contents
2. General Information
2.1.Instructions....................................................................................................................................................5
2.2.Warnings.......................................................................................................................................................5
2.3.Symbols ........................................................................................................................................................5
2.4.Warranty........................................................................................................................................................6
2.5.Pump nameplate...........................................................................................................................................7
2.6.Type of pump................................................................................................................................................7
3. Design
3.1.Pump design.................................................................................................................................................9
3.2.Pump on base plate......................................................................................................................................9
3.3.Pump operations.........................................................................................................................................10
4. Safety
4.1.General information ....................................................................................................................................11
4.2.Mechanical risks..........................................................................................................................................12
4.3.Manual operation risks................................................................................................................................12
4.4.Electrical risks.............................................................................................................................................12
4.5.Thermal risks...............................................................................................................................................13
4.6.Chemical risks.............................................................................................................................................13
4.7.Dangerous areas.........................................................................................................................................13
5. Carriage, lifting and Storage
5.1.Carriage and packaging..............................................................................................................................14
5.2.Lifting...........................................................................................................................................................14
5.3.Storage........................................................................................................................................................16
6. Installation and connection
6.1.General rules for installation.......................................................................................................................17
6.2.Pump group installation ..............................................................................................................................17
6.3.Pump group aligning...................................................................................................................................18
6.4.Piping connection........................................................................................................................................20
6.5.Electrical connection...................................................................................................................................22
7. Pump Operation
7.1.Preliminary operation..................................................................................................................................23
7.2.Starting after a long storage........................................................................................................................23
7.3.Check before starting..................................................................................................................................23
7.4.Pump filling..................................................................................................................................................24
7.5.Pump starting..............................................................................................................................................24
7.6.Switch off.....................................................................................................................................................25
7.7.Working check.............................................................................................................................................25
7.8.CIP/SIP procedures ....................................................................................................................................25
7.9.COP (cleaning out of place) procedure ......................................................................................................26
8. Maintenance

4 INOXPA S.A.U.01.531.30.01EN · (0) 2021/09
8.1.Instruction for spare part ordering...............................................................................................................28
8.2.Wearing parts..............................................................................................................................................28
8.3.General information on maintenance activities...........................................................................................28
8.4.Maintenance table.......................................................................................................................................29
8.5.Mechanical seal check................................................................................................................................30
8.6.Lubrication...................................................................................................................................................30
8.7.Malfunctions and possible causes..............................................................................................................31
9. Assembly and disassembly
9.1.General information ....................................................................................................................................33
9.2.Remove the pump from the group..............................................................................................................33
9.3.Disassembly wet side components and mechanicals seals.......................................................................34
9.4.Assembly screw CW, screw CCW and mechanical seals..........................................................................38
9.5.Assembling the screws ...............................................................................................................................43
9.6.Tightening torque table ...............................................................................................................................44

General Information
INOXPA S.A.U. 01.531.30.01EN · (0) 2021/09 5
2. General Information
2.1. INSTRUCTIONS
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.
The instructions of this handbook do not consider the specific information concerning to operation and
maintenance of the process plant into which the pump is integrated.
Such information can only be given by persons responsible for the construction and planning of the plant.
Some specific instructions concerning the operations or the installation maintenance where the pump is
integrated have the priority on the pump builder instructions.
It is always necessary to refer also to the instructions concerning the installation builder operations and
maintenance.
Carefully read the manual before attempting any changes. It is safe to follow all warnings and recommendations
herein to perform any operation on the pump DCS SERIES.
This documentation must be kept and must be available to the operator and maintenance personnel.
For any situation of use that is not provided in this manual, please refer to the manufacturer.
2.2. WARNINGS
This handbook has been realized to establish a reference for
•The safe use
•The pumps installation and maintenance intervention
•Starting, laying and pumps switching-off procedures
and it has to be considered as an integrating pump part, and has to be paired off to this for the life necessary till
its breaking down.
It is necessary to retain carefully this handbook that has to be available for the skilled staff in charge of the
pump use and maintenance, which is responsible for the operations executed on it and, for this reason, it must
be CAREFULLY read before operating.
It is expressly FORBIDDEN the use of the pump to the staff that has not the required qualifications.
The pump must be used exclusively for the specified situation contained on the confirmation for which INOXPA
has arranged the execution, the construction materials and the running tests which make the pump perfectly
equivalent to the requests.
For this reason, it CANNOT be used for situations different from the ones specified on the confirmation.
In case of working conditions change, it is necessary to keep in touch with INOXPA, which decline every kind of
responsibility for uses different from those provided for by the contract.
If the pump constructive and working data are not available, they will be required to INOXPA defining the serial
number pressed on the plate fixed on the pump. It has to be always used the pump serial number to require the
technical information and/or to order replacement pieces.
Besides, the user has to verify the right environmental conditions (for example frost or high temperature) where
the pump will be set and could condition its performances and/or seriously damage it.
2.3. SYMBOLS
HEALTH HAZARD
This sign advises the operator he has to pay attention to important info to avoid dangerous
operations which can be to the prejudice of his and other persons’ physical integrity. Follow
carefully the indications.