HYDAC FILTER SYSTEMS MFU-15E Manual

MFU-15E / MFU-15S
MobileFiltration Unit
Operating and Maintenance Instructions
English • (Translation of original instructions)
Document No. : 4391552a • 8/28/2019
Follow these instructions for proper and safe use.
Keep for future reference.

Table of Contents HYDAC FILTER SYSTEMS GMBH
ii BeWa MFU-15E_S 4391552a en-us lq
Table of Contents
1 General ..................................................................................................................... 5
1.1 Imprint .............................................................................................................. 5
1.2 Documentation Representative........................................................................ 5
1.3 Purpose of this manual .................................................................................... 6
1.4 Target group of the manual.............................................................................. 6
1.5 Illustrations in the manual ................................................................................ 7
1.5.1 Illustration on the title page.................................................................. 7
1.5.2 Representation of requirements .......................................................... 8
1.5.3 Representation of procedural instructions ........................................... 8
1.5.4 Representation of intermediate results/results .................................... 9
1.5.5 Representation of warning/general safety information ...................... 10
1.5.6 Signal words and their meaning in the general safety information .... 11
1.6 Hazard symbols / pictograms......................................................................... 12
1.7 Supplementary symbols................................................................................. 14
1.8 Exclusion of liability/warranty ......................................................................... 14
1.9 Notes on copyright ......................................................................................... 15
1.10 Validity of this manual .................................................................................... 15
2 General safety information ...................................................................................... 16
2.1 Observe regulatory information...................................................................... 19
2.2 Wear suitable clothing.................................................................................... 20
2.3 Stoppage in an emergency (EMERGENCY STOP)....................................... 20
2.4 Fire-fighting / extinguishing a fire ................................................................... 20
3 Overview of the filtration unit................................................................................... 22
3.1 MFU-15S9-… for higher viscosity / with signal cable..................................... 22
3.2 Proper/designated use ................................................................................... 23
3.3 Improper Use or Use Deviating from Intended Use ....................................... 24
3.4 Checking the scope of delivery ...................................................................... 25
3.5 Decoding the type label.................................................................................. 26
3.5.1 Model code ........................................................................................ 27

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3.6 Technical Data ............................................................................................... 28
3.7 Drawings / dimensions / hydraulic diagram.................................................... 30
3.7.1 MFU-15E9-... Economy ..................................................................... 30
3.7.1.1 MFU-15E9 - Dimensions / hydraulic diagram ........................... 31
3.7.2 MFU-15S9-... Standard ..................................................................... 34
3.7.2.1 MFU-15S9 - Dimensions / hydraulic diagram ........................... 35
3.8 Operating elements on the filter unit .............................................................. 37
3.9 Filter unit working principle............................................................................. 39
4 Transporting/storing the filter unit............................................................................ 41
4.1 Storing the filter unit with hoses including lances........................................... 42
5 Setting up / assembly / integration of the filter unit ................................................. 43
5.1 Increasing the stability / adjusting the feet ..................................................... 43
5.2 Avoiding siphoning ......................................................................................... 47
5.3 Avoiding the mixing of oils - Emptying the filter unit....................................... 48
5.4 Making the electrical connections .................................................................. 49
5.4.1 Connecting filter units with 120/230 VAC or 12/24 VDC, single phase
........................................................................................................... 49
5.4.2 Connecting filter units with 400VAC, 3 phase ................................. 51
5.5 Connecting the signal cable (only MFU-15S9-...) .......................................... 52
5.6 Connecting pneumatically (Option - Compressed air motor) ......................... 54
5.7 Connecting the suction/pressure port ............................................................ 55
5.8 Attaching / connecting the suction / pressure hoses (Accessories) ............... 57
5.9 Commissioning............................................................................................... 58
6 Operation ................................................................................................................ 60
6.1 Observe the optical clogging indicator ........................................................... 60
6.2 Selecting operating modes............................................................................. 61
6.2.1 Circulation pumping with filtration / filtration with dewatering ............ 61
6.2.2 Circulation pumping without filtration................................................. 62
6.3 Operation with pump nozzle (optional)........................................................... 63
6.4 Operation with counter (optional) ................................................................... 63

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7 Rectifying errors ...................................................................................................... 64
8 Performing maintenance ......................................................................................... 67
8.1 Maintenance table.......................................................................................... 68
8.2 Changing the filter element ............................................................................ 69
8.3 Removing/installing the quick coupling .......................................................... 76
8.4 Removing/installing the protective screen...................................................... 78
8.4.1 Removing/installing the push-in protective screen ............................ 80
8.4.2 Removing/installing the push-in protective screen ............................ 82
8.5 Checking/cleaning the protective screen ....................................................... 84
9 Removing / Disposal ............................................................................................... 86
Appendix ................................................................................................................. 87
Finding a Customer Service team.................................................................. 87
Finding spare parts / accessories .................................................................. 88
Finding the filter elements ................................................................. 90
Accessories list.................................................................................. 91
Glossary .................................................................................................................. 95
Index ....................................................................................................................... 96

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1 General
In this chapter, you will find helpful notes on handling these in-
structions.
1.1 Imprint
Manufacturer / publisher and responsible for the content:
Address of the manufacturer Contact address
HYDAC FILTER SYSTEMS
GMBH
Industriegebiet
66280 Sulzbach / Saar
HYDAC FILTER SYSTEMS
GMBH
Justus-von-Liebig-Str., Werk
20
66280 Sulzbach / Saar
Germany Germany
E-mail: [email protected]
Homepage: www.hydac.com
Court of Registration: Saarbrücken , HRB 17216
Executive directors: Mathias Dieter ,
Dipl.Kfm. Wolfgang Haering
Tab.1: Impressum
1.2 Documentation Representative
The contact data of the person authorized with the documenta-
tion is:
Mr. Günter Harge
c/o HYDAC International GmbH, Industriegebiet, 66280
Sulzbach / Saar
Germany
Phone: [phone]
Fax: [phone]
E-mail: [email protected]
Tab.2: Documentation Representative

1 | General HYDAC FILTER SYSTEMS GMBH
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1.3 Purpose of this manual
Before you use this product for the first time or if you have
been asked to carry out other work on the product, please read
this manual.
The use and the handling of the product described in the fol-
lowing, as well as its use, are not self-explanatory and are de-
scribed in detail in this manual and the associated technical
documentation.
This manual will help you to use the product as intended, prop-
erly, effectively, and safely. Therefore, you are requested to
read the following chapters attentively and carefully. Please re-
fer to it every time you require decisive details.
This manual informs and warns you of risks, against which the
risk reduction through the design and protective measures may
not be effective or not fully effective.
1.4 Target group of the manual
This manual was created for the following target group.
Target group Tasks
Owner This manual and the associated docu-
ments must be kept accessible at the in-
stallation location of the product and also
for later use.
Ask the employees to read and follow the
manual and the associated documents, in
particular, the safety and warning instruc-
tions.
Observe the additional product-related in-
structions and requirements.
Specialist person-
nel
Read, observe and follow this manual and
the associated documents, in particular,
the safety and warning instructions.
Tab.3: Target group

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1.5 Illustrations in the manual
You will find illustrations in this manual. You can find details re-
garding these in the following chapters.
1.5.1 Illustration on the title page
You will find the following information on the title page of this
manual:
Short name of the product
Product name
Operating and Maintenance Instructions
12345678 ● ##.##.####
English (translation of original instructions)
Valid from: - from s/no. - ... ... - ... ...
1
5
2
4
3
Fig.1: Overview / labeling of the title page
1 Short name of the product / product name
2 Type of document
3 Language
4 Document no./Index ● Date of printing
5 Supplementary instructions regarding the validity of the
manual (optional)
Please note that you can directly access information through
the directories. However, this does not release you from the
obligation to read this manual fully before commissioning.

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The document no. with the index (4) is meant for identifying
and reordering the manual. The index is incremented every
time the manual is revised or changed.
The manual contains a table of contents, a list of tables and
figures, an index and a glossary.
1.5.2 Representation of requirements
These are absolutely required for carrying out a work activity
on the product and are marked with a check mark and are in
bold in the text.
An example for the representation of requirements:
ühe product is assembled and connected.
üThe product is switched off.
1. Switch the product on.
1.5.3 Representation of procedural instructions
In the case of procedural instructions, there are the two follow-
ing representations:
Procedural instructions with a fixed sequence
Procedural instructions, whose sequence must be complied
with without fail are listed with sequential numbering (1., 2., 3.,
etc.).
An example for procedural instructions with a fixed sequence:
1. Remove the transport securing device.
2. First fill the product.
3. Switch the product on.
Procedural instructions with a random sequence
Procedural instructions that have a random sequence are
listed as bullet points (-).

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An example of a procedural instruction with a random se-
quence:
– Clean the display.
– Rinse the product.
1.5.4 Representation of intermediate results/results
In the case of some activities, it is necessary to carry out work
steps with intermediate results and end results.
Intermediate results are the consequence of activities; they are
marked with an indented arrow.
End results represent the end of an activity and are repre-
sented with a flag.
An example for a procedural instruction with intermediate re-
sult and final result:
1. Switch the product on.
ðThe display lights up.
2. Press the button.
OThe product is now ready for use.

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1.5.5 Representation of warning/general safety
information
All the warning / general safety information in this manual are
highlighted with pictograms and signal words. The pictogram
and the signal word give you an indication of the severity of the
danger.
Warning / general safety information, which are placed ahead
of each activity, are represented as follows:
CAUTION
Type and source of danger
Hazard symbol
Consequence of the danger
Measures to avert danger
►

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1.5.6 Signal words and their meaning in the general
safety information
In these instructions you will find the following signal words:
DANGER
DANGER – The signal word indicates a hazardous situation
with a high level of risk, which, if not avoided, will result lethal
or serious injury.
WARNING
WARNING – The signal word indicates a hazardous situation
with a medium level of risk, which, if not avoided, can result
lethal or serious injury.
CAUTION
CAUTION – The signal word indicates a hazardous situation
with a low level of risk, which, if not avoided, can result in mi-
nor or moderate injury.
NOTICE
NOTICE – The signal word indicates a hazardous situation
with a high level of risk, which, if not avoided, will result in
damage to property.

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1.6 Hazard symbols / pictograms
The following are the safety symbols / pictograms in this man-
ual. They indicate specific dangers to persons, property or to
the environment. Observe these safety symbols / pictograms
and act with particular caution in such cases. Always keep all
symbols / pictograms intact and legible.
Warning signs used
These signs are listed for all general safety information and in-
structions in these operating instructions which indicate partic-
ular dangers to persons, property or the environment.
Danger point warning
Dangerous electrical voltage warning
Mandatory action symbols used
These symbols are listed for all general safety information and
instructions in these operating instructions that refer to particu-
lar dangers to persons, property or the environment.
Follow the instructions.
Pull the power plug before opening

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Other symbols used
These signs are listed for the general safety instructions in
these operating instructions, for example, which indicate a par-
ticular danger to persons, property or the environment.
Exposed electrical components
Danger due to operating pressure
Signs used for the required specialist personnel
These symbols show the required training/knowledge for in-
stallation work and/or maintenance work.
Specialist personnel / operators
Such persons have had the corresponding spe-
cialist training and several years' work experi-
ence. They are able to assess and perform the
work assigned to them, they are also able to rec-
ognize potential dangers.
Specialist personnel - Electrician
Such persons have specific specialist training
and several years' work experience. They are
able to assess and perform the work assigned to
them, they are also able to recognize potential
dangers.
Specialist personnel - Mechanic
Such persons have specific specialist training
and several years' work experience. They are
able to assess and perform the work assigned to
them, they are also able to recognize potential
dangers.

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Specialist personnel - Service / Administrator
These persons have been trained by the manu-
facturer and are authorized to perform service.
1.7 Supplementary symbols
You will find the following symbols in the manual as additional
details:
Tip for handling the product
Required tools
1.8 Exclusion of liability/warranty
For the warranty provided by us, please refer to the Terms of
Delivery. They are made available to you at the conclusion of
the contract at the latest. You will also find these under
www.hydac.com -> General Terms and Conditions (T&C).
This manual was prepared to the best of our knowledge. Nev-
ertheless and despite the greatest care, it cannot be excluded
that mistakes could have crept in. Therefore, please under-
stand that, in the absence of any provisions to the contrary
hereinafter, our warranty and liability – for any legal reasons
whatsoever – are excluded in respect of the information in this
manual. In particular, we shall not be liable for lost profit or
other financial loss.
This exclusion of liability does not apply in cases of intent and
gross negligence. Moreover, it does not apply to defects which
have been deceitfully concealed or whose absence has been
guaranteed, nor in cases of culpable harm to life, physical in-
jury and damage to health. If we negligently breach any mate-

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rial contractual obligation, our liability shall be limited to fore-
seeable damage. Claims due to the Product Liability shall re-
main unaffected.
1.9 Notes on copyright
All copyrights for this manual lies with the manufacturer. No
part of this manual may be reproduced in any form or pro-
cessed, duplicated or distributed using electronic systems with-
out the written consent of the manufacturer. Any infringements
of the above shall be liable to damage compensation.
1.10 Validity of this manual
The diagrams and visualizations in this manual are meant for
general illustration purposes. Therefore, representations and
functional options can deviate from the delivered product.
We reserve the right to changes to the contents of this manual
without prior notice.

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2 General safety information
Residual risks in the case of proper/designated use
The following residual risks can occur through intended use:
DANGER
Dangerous electrical voltage warning
Danger of fatal injury
uAll electrical jobs must be carried out by specialists with
the respective knowledge for the job.
uPull the power plug and ensure the unit is deenergized.
WARNING
The hydraulic system is under pressure during operation
Danger of bodily injury
uThe hydraulic system must be depressurized before per-
forming any work on the hydraulic system.
CAUTION
Sharp-edged metallic chips / metallic particles in the protective
screen
Danger of cuts/eye injuries when reaching in or blowing out
uWear protective gloves.
uWear eye protection.

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NOTICE
Impermissible operating media
The filter unit will be damaged.
uUse the filter unit only in connection with:
- Mineral oils in accordance with DIN 51524 and HLPD
- Mineral oil-based fluids that are biologically degradable
HETG, …
uNever pump:
- water
- corrosive fluids
- acids or
- solvents
- oily sludge or sediment in the oil tank
NOTICE
There is a risk of the unit falling over or slipping away due to vi-
bration
The filtration unit will be damaged
uBefore starting it up, put the filter unit on a stable, horizon-
tal surface.
NOTICE
Feet in other positions such as 0° or 44°
The feet twist / the filter unit tips
uTo shift both feet, only use the intended positions for the
feet and lock them subsequently.

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NOTICE
High solid particle contamination in the fluid / at the bottom of
the tank
The pump will be damaged / destroyed
uDo not prime fluid directly at the bottom of the tank.
uDo not prime fluid in the sump.
NOTICE
Missing filter element/empty element
Leakages in the filter housing
uNever operate the filter unit without a filter element or an
empty element inserted.
NOTICE
Faulty assembly of the quick coupling
Leaks and/or air entry at the quick coupling
uSeal the quick coupling correctly.
NOTICE
Operation without the protective screen
The filter unit will be damaged or destroyed
uNever operate the filter unit without a protective screen.

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NOTICE
Damaged protective screen
The filter unit will be damaged or destroyed
uNever operate the filter unit with a damaged or defective
protective screen.
Residual risks in the case of improper use or use
deviating from intended use
Following residual risks can occur during unintended use:
DANGER
Danger due to unintended use
Bodily injury / Damage to property
uNever operate the filter unit in potentially explosive atmos-
pheres.
uThe filter unit is to be used only with permissible operating
media.
2.1 Observe regulatory information
Observe the following regulatory information and directives:
– Legal and local regulations for accident prevention
– Legal and local regulations for environmental protection
– Country-specific regulations, organization-specific regula-
tions

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2.2 Wear suitable clothing
Loose-fitting clothing increases the danger of being caught or
being drawn in on rotating parts, and the risk of getting caught
on protruding parts. You can be severely injured or killed in
these cases.
– Wear closely fitting clothing.
– Do not wear any rings, chains or any other jewelry.
– Wear a hair net if you have long hair.
– Wear work safety shoes.
2.3 Stoppage in an emergency (EMERGENCY STOP)
Disconnect the product from all sources of energy in an emer-
gency.
2.4 Fire-fighting / extinguishing a fire
Use a powder extinguisher that corresponds to fire class B as
per EN2 to extinguish any fires / to fight fires.
Fig.2: Fire protection
class B
Maintain a minimum safe distance from electrical components.
For a mains voltage of up to 1000V, the minimum safe dis-
tance is 1m.