DRAGFLOW EL7.5 User manual

DRAGFLOW S.r.l. -Sede legale: Via Satiro, 11 –37121 VERONA Italy
Sedeamm.: ViaPaesa–46048ROVERBELLA (MN) Italy ● Tel. [phone]
Fax[phone]-Cod.Fisce P.IVA :IT02757460239 –R.E.A.Veronan.280092
Registro Impr. Di Verona n. 189595/1997 Capitale Sociale € 10.400 interamente versato
EL7.5 - EL12.5 (S - SS) User manual - ENG 1/70
EL7.5 - EL12.5 (S - SS)
USER MANUAL
USE - BASIC MAINTENANCE - SPARE PARTS

DRAGFLOW S.r.l. -Sede legale: Via Satiro, 11 –37121 VERONA Italy
Sedeamm.: ViaPaesa–46048ROVERBELLA (MN) Italy ● Tel. [phone]
Fax[phone]-Cod.Fisce P.IVA:IT02757460239 –R.E.A.Veronan.280092
Registro Impr. Di Verona n. 189595/1997 Capitale Sociale € 10.400 interamente versato
EL7.5 - EL12.5 (S - SS) User manual - ENG 2/70
DICHIARAZIONE DI CONFORMITA’ CE /
CE DECLARATION OF CONFORMITY
IL FABBRICANTE / THE MANUFACTURER
DRAGFLOW SRL
Via Paesa
46048 Roverbella (MN), Italy
DICHIARA CHE LA MACCHINA / DECLARES THAT THE MACHINE
Modello / Model :
EL
Matr. N. / Serial N. :
Anno / Year :
E’ CONFORME ALLE DIRETTIVE / CONFORMS TO THE DIRECTIVE(S)
Direttiva 2006/42/CE del Parlamento Europeo relativa alle macchine.
Directive 2006/42/EC of the European Parliament on machinery.
Direttiva 2014/30/EU del Parlamento Europeo concernente l’armonizzazione delle legislazioni degli Stati membri
relative alla compatibilità elettromagnetica.
Directive 2014/30/EU of the European Parliament on the harmonisation of the laws of the Member States relating to
electromagnetic compatibility.
Direttiva 2014/35/EU del Parlamento Europeo concernente l’armonizzazione delle legislazioni degli Stati membri
relative al materiale elettrico destinato ad essere adoperato entro taluni limiti di tensione.
Directive 2014/35/EU of the European Parliament on the harmonisation of the laws of the Member States relating to
electrical equipment designed for use within certain voltage limits.
Riferimento norme armonizzate / Reference standards:
EN 12100; EN 60204-1
E AUTORIZZA / AND IT AUTHORIZES
DRAGFLOW SRL
Via Paesa
46048 Roverbella (MN), Italy
A COSTITUIRE IL FASCICOLO TECNICO PER SUO CONTO /
TO FORM A TECHNICAL FILE FOR IT
Roverbella (MN), Italy –/ / Il fabbricante / The manufacturer
…………….……………………….

DRAGFLOW S.r.l. -Sede legale: Via Satiro, 11 –37121 VERONA Italy
Sedeamm.: ViaPaesa–46048ROVERBELLA (MN) Italy ● Tel. [phone]
Fax[phone]-Cod.Fisce P.IVA:IT02757460239 –R.E.A.Veronan.280092
Registro Impr. Di Verona n. 189595/1997 Capitale Sociale € 10.400 interamente versato
EL7.5 - EL12.5 (S - SS) User manual - ENG 3/70
CONTENTS
1. Introduction ............................................................................................ 7
1.1. Identification data............................................................................................ 7
1.2 General informations ....................................................................................... 8
1.2.1 Who is the manual intended for................................................................ 8
1.2.2 General symbols used ............................................................................... 9
1.2.3 Keeping the manual.................................................................................. 9
1.2.4 General safety rules and warnings.......................................................... 10
1.3 Technical specifications and reference standards ........................................... 11
1.4 Manufacturer's warranty................................................................................ 11
1.4.1 Warranty conditions ............................................................................... 12
1.4.2 Warranty exclusions ............................................................................... 13
1.4.3 Warranty duration.................................................................................. 13
1.5 Service Department........................................................................................ 14
1.6 How to read the manual................................................................................. 14
1.6.1 Numbering of figures and labels ............................................................. 14
1.7 Service manual............................................................................................... 14
2Description of the equipment ................................................................ 15
2.1 General characteristics ................................................................................... 15
2.1.1 Pump plate position................................................................................ 16
2.1.2 Dimensions and weight........................................................................... 16
2.1.3 Technical specifications........................................................................... 16
2.1.4 Electrical devices..................................................................................... 17
2.2 Intended use of the machine .......................................................................... 17
2.3 Safety of the operators................................................................................... 17
2.3.1 Operating areas and safety..................................................................... 18
3Transport, installation and dismantling .................................................. 19
3.1 Transport........................................................................................................ 19
3.2 Installation ..................................................................................................... 20

DRAGFLOW S.r.l. -Sede legale: Via Satiro, 11 –37121 VERONA Italy
Sedeamm.: ViaPaesa–46048ROVERBELLA (MN) Italy ● Tel. [phone]
Fax[phone]-Cod.Fisce P.IVA:IT02757460239 –R.E.A.Veronan.280092
Registro Impr. Di Verona n. 189595/1997 Capitale Sociale € 10.400 interamente versato
EL7.5 - EL12.5 (S - SS) User manual - ENG 4/70
3.2.1 Delivery pipe connecting......................................................................... 20
3.2.2 Connecting the power cable to the control box ....................................... 21
3.2.3 Connecting the power cable to the pump................................................ 21
3.3 Dismantling .................................................................................................... 22
4Operating instructions ........................................................................... 23
4.1 Before starting................................................................................................ 23
4.1.1 Before the first start................................................................................ 24
4.2 Starting........................................................................................................... 27
4.3 Working.......................................................................................................... 27
4.4 Stopping......................................................................................................... 27
4.5 Emergency situation....................................................................................... 27
5Maintenance ......................................................................................... 29
5.1 General information....................................................................................... 29
5.1.1 Tools for ordinary maintenance .............................................................. 29
5.1.2 Bolts tightening torque ........................................................................... 32
5.1.3 Lubricants specifications ......................................................................... 33
5.1.4 Exploded view and pump's groups .......................................................... 34
5.2 Maintenance schedule ................................................................................... 35
5.2.1 Before every shift.................................................................................... 36
5.2.2 After every shift ...................................................................................... 36
5.2.3During every shift ................................................................................... 36
5.2.4 Every 8 operating hours .......................................................................... 37
5.2.5 Every 50 operating hours ........................................................................ 37
5.2.6 Every 150 operating hours ...................................................................... 37
5.3 Maintenance operating instructions............................................................... 38
5.3.1 Lubricating oil checking........................................................................... 38
5.3.2 Lubricating oil changing/refilling ............................................................ 39
5.3.3 Impeller clearence checking .................................................................... 40
5.3.4 Impeller clearence adjusting ................................................................... 41
5.4 Maintenance replacing instructions................................................................ 44
5.4.1 Power cable ............................................................................................ 45

DRAGFLOW S.r.l. -Sede legale: Via Satiro, 11 –37121 VERONA Italy
Sedeamm.: ViaPaesa–46048ROVERBELLA (MN) Italy ● Tel. [phone]
Fax[phone]-Cod.Fisce P.IVA:IT02757460239 –R.E.A.Veronan.280092
Registro Impr. Di Verona n. 189595/1997 Capitale Sociale € 10.400 interamente versato
EL7.5 - EL12.5 (S - SS) User manual - ENG 5/70
5.4.2 Strainer................................................................................................... 45
5.4.3 Lower wear plate.................................................................................... 47
5.4.4 Agitator kit ............................................................................................. 49
5.4.5 Impeller .................................................................................................. 50
5.4.6 Motor bearing ........................................................................................ 51
5.4.7 Lower seals ............................................................................................. 51
5.4.8 Mechanical seals..................................................................................... 51
5.4.9 Upper bearings ....................................................................................... 51
5.4.10 O-ring replacing...................................................................................... 51
6Spare parts ............................................................................................ 52
6.1 Exploded views............................................................................................... 52
6.1.1 Electric motor group ............................................................................... 52
6.1.2 Oil chamber group .................................................................................. 55
6.1.3Impeller kit ............................................................................................. 59
6.1.4 Agitator kit ............................................................................................. 60
6.2 Spare parts list................................................................................................ 61
6.2.1 Specific parts list for EL7.5 - EL7.5S - EL7.5SS ........................................... 61
6.2.2 Specific parts list for EL10 - EL10S - EL10SS .............................................. 61
6.2.3 Specific parts list for EL12.5 - EL12.5S - EL12.5SS ..................................... 61
6.2.4 Common parts list................................................................................... 62
6.2.5 Suggested spare parts............................................................................. 63
7Optional devices .................................................................................... 64
7.1 Jet-ring system ............................................................................................... 64
7.1.1 Spare parts ............................................................................................. 64
7.2 Compensation system .................................................................................... 65
7.2.1 Spare parts ............................................................................................. 65
7.3 Temperature sensor ....................................................................................... 66
7.3.1 Spare parts ............................................................................................. 66
7.4 Water sensor.................................................................................................. 67
7.5 Cooling jacket................................................................................................. 67
7.6 Cutter knife .................................................................................................... 67

DRAGFLOW S.r.l. -Sede legale: Via Satiro, 11 –37121 VERONA Italy
Sedeamm.: ViaPaesa–46048ROVERBELLA (MN) Italy ● Tel. [phone]
Fax[phone]-Cod.Fisce P.IVA:IT02757460239 –R.E.A.Veronan.280092
Registro Impr. Di Verona n. 189595/1997 Capitale Sociale € 10.400 interamente versato
EL7.5 - EL12.5 (S - SS) User manual - ENG 6/70
7.6.1 Spare parts ............................................................................................. 67
7.7 Aggressive environment kit ............................................................................ 68
7.7.1 Spare parts ............................................................................................. 68
7.8 Waterflush kit ................................................................................................ 69
7.9 Remote greasing kit........................................................................................ 69
7.10 Optional on this pump.................................................................................... 69
8Attachments.......................................................................................... 70
8.1 Data sheet and performance curves ............................................................... 70

DRAGFLOW S.r.l. -Sede legale: Via Satiro, 11 –37121 VERONA Italy
Sedeamm.: ViaPaesa–46048ROVERBELLA (MN) Italy ● Tel. [phone]
Fax[phone]-Cod.Fisce P.IVA:IT02757460239 –R.E.A.Veronan.280092
Registro Impr. Di Verona n. 189595/1997 Capitale Sociale € 10.400 interamente versato
EL7.5 - EL12.5 (S - SS) User manual - ENG 7/70
1. Introduction
1.1. Identification data
Read in the following the name and address of the machine manufacturer:
DRAGFLOW S.r.l.
Via Paesa
46048 –Roverbella (MN) ITALY
www.dragflow.it
[email protected]
Each machine is equipped with an identification plate that ensures it is produced
according to all the European directives in force and the necessary safety requirements.
This conformity is certified and is present on the respective identification plate bearing
the "EC" marking.
The model, serial number, year of construction are enclosed on the plate placed on the
main body of the machine. This data must be mentioned whenever a request for
information regarding the machinery is forwarded or for ordering replacement parts.
We recommend to provide, when possible, the following data:
- working hours of the equipment;
- purchase date;
- detailed information on any problems found.
Genuine parts should be used for the replacement of parts of the machine.
The manufacturer declines any responsibility regarding any worsening of performance
or damage to the machine or equipment, due to the use of non-genuine spare parts.

DRAGFLOW S.r.l. -Sede legale: Via Satiro, 11 –37121 VERONA Italy
Sedeamm.: ViaPaesa–46048ROVERBELLA (MN) Italy ● Tel. [phone]
Fax[phone]-Cod.Fisce P.IVA:IT02757460239 –R.E.A.Veronan.280092
Registro Impr. Di Verona n. 189595/1997 Capitale Sociale € 10.400 interamente versato
EL7.5 - EL12.5 (S - SS) User manual - ENG 8/70
1.2 General informations
This manual should be carefully consulted and understood because it contains
important information for the safety of operators during the machine use.
In case of doubt or uncertainty on the information provided in this manual please
contact the manufacturer for clarifiction.
However, the machine is intended suitable for uses which is expressly designed for,
produced and placed on the market. Any different use must be considered inappropriate
and therefore unsafety.
Any contractual or non-contractual liability of the manufacturer shall be excluded for
failures and damages caused by errors in the handling and use of the equipment not
compling with the instructions given by the manufacturer.
The manual translations from the original language (italian), may be inaccurate or
express unintentionally different concepts, therefore refer to the version in the original
language or contact the manufacturer for any clarification.
1.2.1 Who is the manual intended for
This manual must be read by any operator in charge of installing and using the
machine for the intended purposes it was designed, produced and placed on the
market.
The operator wording refers to a person without a specific skill, but able to perform
safetely the following activities:
- handling of loads (also suspended) with lifting devices such as fork lift or hoist;
- mechanical operation such as simple assembling and adjusting;
- cables wiring for disconnected electrical devices;
- machines using with commands and controls on electric panel and suitably
described by labels;
- machines using when they are in safety condition with all the provided safety
devides in perfect condition, properly installed and completely operative.
The operator must also have basic general culture and technical basic culture to
sufficiently read and understand the contents of the manual, including the correct
interpretation of images, drawings and pictograms.
It is the responsibility of the user of the machine to ensure the listed operator
requirements and to be trained about the health and safety standards in force in the
country where the machine is working.

DRAGFLOW S.r.l. -Sede legale: Via Satiro, 11 –37121 VERONA Italy
Sedeamm.: ViaPaesa–46048ROVERBELLA (MN) Italy ● Tel. [phone]
Fax[phone]-Cod.Fisce P.IVA:IT02757460239 –R.E.A.Veronan.280092
Registro Impr. Di Verona n. 189595/1997 Capitale Sociale € 10.400 interamente versato
EL7.5 - EL12.5 (S - SS) User manual - ENG 9/70
1.2.2 General symbols used
The following symbols (Tab. 1) are used within the manual to highlight those
operations and instructions particularly relevant.
SYMBOL
MEANINGS
DANGER: any situation/instruction that
involve personnel's safety and that can result
in serious injury or death.
ATTENTION: any situation/instruction that
involve the machine integrity, but which do
not affect the safety of people.
IMPORTANT: any important information or
practical advice that affect neither the
personal safety nor the machine integrity
RESPECT THE ENVIRONMENT: any important
information for the protection of the
environment
Tab. 1
1.2.3 Keeping the manual
The user manual represents an essential and integral part of the equipment and must
be delivered to the user.
It must be carefully kept in a clean place, protected from any predictable agent/event
able to damage it.

DRAGFLOW S.r.l. -Sede legale: Via Satiro, 11 –37121 VERONA Italy
Sedeamm.: ViaPaesa–46048ROVERBELLA (MN) Italy ● Tel. [phone]
Fax[phone]-Cod.Fisce P.IVA:IT02757460239 –R.E.A.Veronan.280092
Registro Impr. Di Verona n. 189595/1997 Capitale Sociale € 10.400 interamente versato
EL7.5 - EL12.5 (S - SS) User manual - ENG 10/70
1.2.4 General safety rules and warnings
The manufacturer ensures the utmost commitment to make the equipment as safe
as possible, providing it with all the guards and safety devices deemed necessary.
Finally, the equipment has been accompanied with all the sufficient information to be
used safely and correctly.
Do not allow non-qualified operator to use the
machine.
Before beginning any operation on the
machine, the operator must be aware of the
location and meaning of all commands and
controls.
Before beginning any operation on the
machine, make sure that all the guards and
protections are correctly installed, in perfect
condition and completely efficient.
During the working operations, the operator
must be provided of the suitable personal
protective equipment.
It's responsability of the user to determine the working condition during the machine
use and consequently decide the required personal protective equipment.
Any suggestion given in this manual about a personal protective equipment use does
not replace the mentioned obligation on the part of the user.
Use the equipment within the limits indicated
in the technical specifications.