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- Page 1 MFU-15E / MFU-15S MobileFiltration Unit Operating and Maintenance Instructions English (translation of original instructions) Document No. : 4391552c Follow these instructions for proper and safe use. Keep for future reference.
- Page 2 The contact data of the person authorized with the documentation is: Günter Harge c/o HYDAC International GmbH, Industriegebiet, 66280 Sulzbach / Saar Germany Telephone: +49 6897 509 1511 Telefax: +49 6897 509 1394 E-mail: guenter.harge@hydac.com Date of printing: 12/3/2020 © HYDAC FILTER SYSTEMS GmbH 2020 Subject to technical modifications.
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Page 3: Table Of Contents
HYDAC FILTER SYSTEMS GMBH Table of Contents Table of Contents General ........................ 6 Target group of the manual ................ 6 Illustrations in the manual................ 7 1.2.1 Illustration on the title page .............. 7 1.2.2 Representation of requirements............ 8 1.2.3 Representation of procedural instructions ......... 8 1.2.4... - Page 4 Table of Contents HYDAC FILTER SYSTEMS GMBH 3.7.2 MFU-15S9-... Standard.............. 40 3.7.2.1 MFU-15S9 - Dimensions / hydraulic diagram ...... 41 Design and function.................. 43 3.8.1 Function ................... 45 Transportation / Storage .................. 47 Storing the filter unit (>6 months) .............. 48 Storing the filter unit with hoses and lances .......... 49 Setting up / assembly / integration of the filter unit ..........
- Page 5 HYDAC FILTER SYSTEMS GMBH Table of Contents Rectifying malfunctions .................. 81 Performing Maintenance .................. 84 Maintenance table .................. 85 Changing the filter element ................ 86 Removing/installing the quick coupling ............ 92 Removing/installing the protective screen ............ 94 8.4.1 Removing/mounting the push-in protective screen...... 95 8.4.2 Removing/installing the push-in protective screen...... 97...
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Page 6: General
1 | General HYDAC FILTER SYSTEMS GMBH 1 General Before you use this product for the first time, read this manual at least up to the chapter "Operation". If you would like to carry out maintenance or troubleshooting, you can find the proce- dure in the respective chapters. -
Page 7: Illustrations In The Manual
HYDAC FILTER SYSTEMS GMBH General | 1 1.2 Illustrations in the manual You will find illustrations in this manual. You can find details re- garding these in the following chapters. 1.2.1 Illustration on the title page You will find the following information on the title page of this... -
Page 8: Representation Of Requirements
1 | General HYDAC FILTER SYSTEMS GMBH 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. The document no. with the index (4) is meant for identifying and reordering the manual. -
Page 9: Representation Of Intermediate Results/Results
HYDAC FILTER SYSTEMS GMBH General | 1 Procedural instructions with a random sequence Procedural instructions that have a random sequence are listed as bullet points (-). An example of a procedural instruction with a random se- quence: – Clean the display. -
Page 10: Representation Of Warning/General Safety Information
1 | General HYDAC FILTER SYSTEMS GMBH 1.2.5 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 information of the risk level of the danger. -
Page 11: Signal Words And Their Meaning In The General Safety Information
HYDAC FILTER SYSTEMS GMBH General | 1 1.2.6 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. -
Page 12: Supplementary Symbols
1 | General HYDAC FILTER SYSTEMS GMBH 1.3 Supplementary symbols You will find the following symbols in the manual as additional details: Tip for handling the product Required tools 1.4 Exclusion of liability/warranty For the warranty provided by us, please refer to the Terms of Delivery. -
Page 13: Notes On Copyright
HYDAC FILTER SYSTEMS GMBH General | 1 1.5 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. -
Page 14: Safety
2 | Safety HYDAC FILTER SYSTEMS GMBH 2 Safety The product is designed as safe. In spite of that, there is dan- ger in some actions that can only be avoided by using the right procedures. These correct procedures and points, which must be followed, are described in this manual. - Page 15 HYDAC FILTER SYSTEMS GMBH Safety | 2 – To train the personnel at regular intervals and to inform them of the hazards – To provide the necessary protective equipment to the per- sonnel Personnel who work with the product must be aware of the...
- Page 16 2 | Safety HYDAC FILTER SYSTEMS GMBH Activity Personnel Knowledge Specialist personnel - Electrical Handling, operation, Operating person- Product-specific operation monitor- nel - General knowledge is re- quired. Knowledge about handling the test liq- uid is required Troubleshooting, Specialist personnel...
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Page 17: Tab. 2 Target Group / Required Personnel Qualification
HYDAC FILTER SYSTEMS GMBH Safety | 2 Activity Personnel Knowledge Transport Specialist personnel Service personnel / installation, - Service / Adminis- Administrator / HY- commissioning, tration DAC Service. operation, Extensive experi- faultfinding, ence of the product. trouble shooting, maintenance, disposal Tab. 2: Target group / Required personnel qualification... -
Page 18: Hazard Symbols / Pictograms
2 | Safety HYDAC FILTER SYSTEMS GMBH 2.2 Hazard symbols / pictograms The following are the safety symbols / pictograms in this man- ual. They indicate specific dangers to persons, property or to the surroundings. Observe these safety symbols / pictograms and act with particular caution in such cases. - Page 19 HYDAC FILTER SYSTEMS GMBH Safety | 2 Wear eye protection. Use protective gloves. Others symbols used These marks can be found for all safety and warning instruc- tions in this manual which indicate a particular danger to per- sons, property or the environment.
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Page 20: Danger Notifications
2 | Safety HYDAC FILTER SYSTEMS GMBH 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... - Page 21 HYDAC FILTER SYSTEMS GMBH Safety | 2 Life phase - Commissioning / Operation The following risks could arise during the Commissioning / Op- eration life phase: NOTICE Impermissible operating conditions or operating media The filter unit will be damaged. u Ensure use of permissible operating media.
- Page 22 2 | Safety HYDAC FILTER SYSTEMS GMBH NOTICE Missing filter element/empty element Leakages at the filter bowl. u Never 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 u Seal the quick coupling correctly.
- Page 23 HYDAC FILTER SYSTEMS GMBH Safety | 2 CAUTION Missing maintenance unit with lubricator in the compressed air supply line The air motor will be damaged u Before and during operation, check the maintenance unit and the oil level of the lubricator in the compressed air supply line.
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Page 24: Safety Marking
2 | Safety HYDAC FILTER SYSTEMS GMBH 2.4 Safety marking The following safety markings, labels / signs are provided on the product. The labels / signs on the product must always be easy to read. Fig. 2: Safety marking, label / sign on the product... -
Page 25: Observing Regulatory Information
HYDAC FILTER SYSTEMS GMBH Safety | 2 2.5 Observing regulatory information Observe the following regulatory information and directives: – Legal and local regulations for accident prevention – Legal and local regulations for environmental protection and environmental requirements – Country-specific regulations, organization-specific regula- tions –... -
Page 26: Fig. 4 Minimum Distance For Fire Fighting
2 | Safety HYDAC FILTER SYSTEMS GMBH Fig. 4: Minimum distance for fire fighting 26 / 120 BeWa MFU-15E_S 4391552c en-us web... -
Page 27: Performance And Product Description
HYDAC FILTER SYSTEMS GMBH Performance and product description | 3 3 Performance and product description The MobileFiltration Unit MFU is used as a portable fil- ter unit for filling or emptying hydraulic systems, flushing small hydraulic systems as well as for cleaning in bypass flow. Solid particle contamination as well as free water can be removed by the respective filter element. -
Page 28: Proper/Designated Use
3 | Performance and product description HYDAC FILTER SYSTEMS GMBH 3.2 Proper/Designated Use The MFU filter unit is used as a portable filter unit for filling or emptying hydraulic systems, flushing or filtering hydraulic sys- tems in the bypass flow, and recirculation with simultaneous / without simultaneous filtration. -
Page 29: Improper Use Or Use Deviating From Intended Use
3.3 Improper use or use deviating from intended use Any other or extending use beyond this shall not be considered intended use. HYDAC FILTER SYSTEMS GMBH will assume no liability for any damage resulting from such use. This risk is borne solely by the owner. -
Page 30: Checking The Scope Of Delivery
3 | Performance and product description HYDAC FILTER SYSTEMS GMBH 3.4 Checking the scope of delivery In this chapter, you will find the scope of delivery for the deliv- ery of the MFU. With this, you can check the completeness of the scope of the delivery. -
Page 31: Decoding The Name Plate
HYDAC FILTER SYSTEMS GMBH Performance and product description | 3 3.5 Decoding the name plate Identification details of the filter unit can be found on the name plates on the filter unit and the components. Always mention the part no. and the serial no. when contacting HYDAC. - Page 32 3 | Performance and product description HYDAC FILTER SYSTEMS GMBH Flow rate Flow rate Weight Empty weight 32 / 120 BeWa MFU-15E_S 4391552c en-us web...
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Page 33: Model Code
HYDAC FILTER SYSTEMS GMBH Performance and product description | 3 3.5.1 Model Code The filter unit is defined by the following model code: MFU - 15 E 9 - S M - F E / - Series MFU = Mobile Filter Unit... -
Page 34: Technical Data
3 | Performance and product description HYDAC FILTER SYSTEMS GMBH 3.6 Technical data If you are aware of the technical data of the product, you will be able to use it optimally. This section contains the technical details for the touch panel." />... -
Page 35: Tab. 4 Technical Data
HYDAC FILTER SYSTEMS GMBH Performance and product description | 3 MFU-15E MFU-15S Permitted air during storage Clean, salt-free air, not near oxi- dizing substances (rust film) Storage duration: Indefinite. Before the unit is started up again after being stored for more... -
Page 36: Dimensions And Hydraulic Shematic
3 | Performance and product description HYDAC FILTER SYSTEMS GMBH 3.7 Dimensions and Hydraulic shematic The dimensions and hydraulic diagrams of the various product variants can be found below. Check the model code on the name plate of the filter unit. -
Page 37: Mfu-15E9 - Dimensions / Hydraulic Diagram
HYDAC FILTER SYSTEMS GMBH Performance and product description | 3 3.7.1.1 MFU-15E9 - Dimensions / hydraulic diagram The filter unit with AC electric motor has the following dimen- sions: Fig. 7: 4155968 - EBZ MFU-15E9-Sx-FE - AC All dimensions in mm. -
Page 38: Fig. 8 4155968 - Ebz Mfu-15E9-Sx-Fe - Dc
3 | Performance and product description HYDAC FILTER SYSTEMS GMBH The filter unit with DC electric motor has the following dimen- sions: Fig. 8: 4155968 - EBZ MFU-15E9-Sx-FE - DC All dimensions in mm. 38 / 120 BeWa MFU-15E_S 4391552c en-us web... -
Page 39: Fig. 9 Hydraulic Diagram Mfu-15E
HYDAC FILTER SYSTEMS GMBH Performance and product description | 3 Hydraulic circuit: Fig. 9: Hydraulic diagram MFU-15E BeWa MFU-15E_S 4391552c en-us web 39 / 120... -
Page 40: Mfu-15S9
3 | Performance and product description HYDAC FILTER SYSTEMS GMBH 3.7.2 MFU-15S9-... Standard The drawings/dimensions of the units of the MFU-15S9-… type with AC electric motor are given below. 40 / 120 BeWa MFU-15E_S 4391552c en-us web... -
Page 41: Mfu-15S9 - Dimensions / Hydraulic Diagram
HYDAC FILTER SYSTEMS GMBH Performance and product description | 3 3.7.2.1 MFU-15S9 - Dimensions / hydraulic diagram The filter unit with AC electric motor has the following dimen- sions: Fig. 10: 4263428 - EBZ MFU-15S9-Sx-FE All dimensions in mm. BeWa MFU-15E_S 4391552c en-us web... -
Page 42: Fig. 11 Hydraulic Diagram Mfu-15S
3 | Performance and product description HYDAC FILTER SYSTEMS GMBH Hydraulic circuit: Fig. 11: Hydraulic diagram MFU-15S 42 / 120 BeWa MFU-15E_S 4391552c en-us web... -
Page 43: Design And Function
HYDAC FILTER SYSTEMS GMBH Performance and product description | 3 3.8 Design and function The following components/operating elements can be found on the filter unit: Fig. 12: Components MFU-15 E/MFU-15 S IN Inlet BeWa MFU-15E_S 4391552c en-us web 43 / 120... -
Page 44: Tab. 5 Components Mfu-15 E/Mfu-15 S
3 | Performance and product description HYDAC FILTER SYSTEMS GMBH OUT Outlet 110 Connector head 111 Transport handle 115 Vane pump 132 Cable holder 133 Clogging indicator / back-pressure indicator 140 Pressure relief valve 310 Electric motor 330 Connection box with mains On/Off switch... -
Page 45: Function
HYDAC FILTER SYSTEMS GMBH Performance and product description | 3 3.8.1 Function This chapter provides detailed information on how the filter unit functions. Fig. 13: Operating principle of the filter unit The filter unit has a motor-pump assembly (310) for which the vane pump is integrated directly in the connector head (110). - Page 46 3 | Performance and product description HYDAC FILTER SYSTEMS GMBH The motor pump assembly is flange-mounted to the connector head (110). The head part contains the following compo- nents: – A pressure relief valve (140) between the suction and pressure sides of the vane pump with ≈ 4 bar to protect against overpressure.
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Page 47: Transportation / Storage
HYDAC FILTER SYSTEMS GMBH Transportation / Storage | 4 4 Transportation / Storage You will find the respective information on the prevention of damage to the filter unit during transportation or storage (<6 months) in this chapter. For storing the filter unit >6 months, see Storing the filter unit (>6 months) [} 48]. -
Page 48: Storing The Filter Unit (>6 Months)
4 | Transportation / Storage HYDAC FILTER SYSTEMS GMBH 4.1 Storing the filter unit (>6 months) You will find the respective information on the prevention of damage to the filter unit during storage (>6 months) in this chapter. Remove and dispose of the used filter element and clean the inside of the filter bowl. -
Page 49: Storing The Filter Unit With Hoses And Lances
HYDAC FILTER SYSTEMS GMBH Transportation / Storage | 4 4.2 Storing the filter unit with hoses and lances If the filter unit is equipped with the hoses including lances from the accessories, here, you will find tips and options to place the lances during transport and storage. -
Page 50: Fig. 16: Mfu Storage - Option 2
4 | Transportation / Storage HYDAC FILTER SYSTEMS GMBH Insert both the lances into one another in the holder on the fil- ter unit. The type of storage given in Option 2 is only possible when the feet are parallel to each other. -
Page 51: Setting Up / Assembly / Integration Of The Filter Unit
HYDAC FILTER SYSTEMS GMBH Setting up / assembly / integration of the filter unit | 5 5 Setting up / assembly / integration of the filter unit Observe the following notices for mounting the filter unit. NOTICE There is a risk of the unit tipping or slipping away due to vibra- tions The filter unit will be damaged. -
Page 52: Fig. 17 Increasing The Stability/Adjusting The Feet
5 | Setting up / assembly / integration of the filter unit HYDAC FILTER SYSTEMS GMBH Fig. 17: Increasing the stability/adjusting the feet If the feet are not locked in the intended positions of 0° or 44°, the filter unit can tip. Only use the intended positions of 0° or 44°... -
Page 53: Fig. 18: Adjusting The Feet 0°⇨ 44
HYDAC FILTER SYSTEMS GMBH Setting up / assembly / integration of the filter unit | 5 Fig. 18: Adjusting the feet 0°⇨ 44° To adjust both feet from 0° to 44°, proceed as follows: 1. Fully unscrew both screws counterclockwise with an Allen key. -
Page 54: Fig. 19: Adjusting The Feet 44°⇨ 0
5 | Setting up / assembly / integration of the filter unit HYDAC FILTER SYSTEMS GMBH Fig. 19: Adjusting the feet 44°⇨ 0° To adjust both feet from 44° to 0°, proceed as follows: 4. Fully unscrew both screws counterclockwise with an Allen key. -
Page 55: Avoiding Siphoning
HYDAC FILTER SYSTEMS GMBH Setting up / assembly / integration of the filter unit | 5 5.2 Avoiding siphoning If there is a height difference ΔH between the suction side and pressure side container side / system, the low lying line can develop a suction effect and trigger the siphoning effect be- tween the communicating containers / systems. - Page 56 5 | Setting up / assembly / integration of the filter unit HYDAC FILTER SYSTEMS GMBH After the filter unit is switched off, the height difference/pri- mary pressure can cause flow to occur both in the feed direc- tion and against the feed direction and the fluid can leak un- controllably.
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Page 57: Avoiding The Mixing Of Oils - Emptying The Filter Unit
HYDAC FILTER SYSTEMS GMBH Setting up / assembly / integration of the filter unit | 5 5.3 Avoiding the mixing of oils - Emptying the filter unit If you want to use the same oil for operation as in the previous operation, it is not serious if the oils are mixed. -
Page 58: Making The Electrical Connections
5 | Setting up / assembly / integration of the filter unit HYDAC FILTER SYSTEMS GMBH 5.4 Making the electrical connections Depending on the version, the filter unit has different electric motors (e.g. different voltage/performance/number of phases, with/without power plug etc.). -
Page 59: Filter Unit Without Power Plug/Without Connection Cable
HYDAC FILTER SYSTEMS GMBH Setting up / assembly / integration of the filter unit | 5 5.4.1 Filter unit without power plug/without connection cable Depending on the version, the filter unit has neither a power plug nor a connection cable. Connect up the filter unit with a suitable connection cable and/or power plug. - Page 60 5 | Setting up / assembly / integration of the filter unit HYDAC FILTER SYSTEMS GMBH ð The motor-pump assembly begins to turn. 6. Switch the filter unit off at the main switch. O The filter unit is electrically connected.
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Page 61: Connecting A Filter Unit With A Power Plug For 120/230 V Ac, Single Phase
HYDAC FILTER SYSTEMS GMBH Setting up / assembly / integration of the filter unit | 5 5.4.3 Connecting a filter unit with a power plug for 120/230 V AC, single phase For the 120/230 V AC version, the filter unit is delivered ready for connection with male connector. - Page 62 5 | Setting up / assembly / integration of the filter unit HYDAC FILTER SYSTEMS GMBH 5.4.4 Connecting filter units with a power plug for 400 V AC, 3 phases The 400 V AC, 3 phase version of the filter unit is equipped with a main switch, motor protection and connection plug.
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Page 63: Connecting The Signal Cable (Only Mfu-15S9
HYDAC FILTER SYSTEMS GMBH Setting up / assembly / integration of the filter unit | 5 5.4.5 Connecting the signal cable (only MFU-15S9-...) The filter unit has a signal cable with plug (AMP T 3360 001) for signaling to the remote control. The relay in the connection terminal box has floating contacts to signal Voltage present and Pump switched on. - Page 64 5 | Setting up / assembly / integration of the filter unit HYDAC FILTER SYSTEMS GMBH L Phase conductors M Electric motor W Neutral wire PE Protective conductor X1 Signal cable with plug connector BN Brown, code for color identification marking according to DIN IEC 60757...
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Page 65: Connecting Pneumatically (Air Motor Option)
HYDAC FILTER SYSTEMS GMBH Setting up / assembly / integration of the filter unit | 5 5.5 Connecting pneumatically (air motor option) If the filter unit is equipped with an air motor for pump drive, connect the compressed air line to the filter unit. -
Page 66: Connecting The Suction/Pressure Port
5 | Setting up / assembly / integration of the filter unit HYDAC FILTER SYSTEMS GMBH 5.6 Connecting the suction/pressure port Install the filter unit securely in a system/an assembly, take the pressure loss into account with the piping or hose system. You will find the respective formula to calculate the pressure loss. - Page 67 HYDAC FILTER SYSTEMS GMBH Setting up / assembly / integration of the filter unit | 5 – Note that the nominal size of the connected hose/piping must correspond to the cross-section of the connection thread. – Make sure that the connection hoses/piping (suction side/ pressure side) do not cause any tension or vibrations to be carried over to the filter unit.
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Page 68: Attaching/Connecting The Suction/Pressure Hoses (Accessories)
5 | Setting up / assembly / integration of the filter unit HYDAC FILTER SYSTEMS GMBH 5.7 Attaching/connecting the suction/pressure hoses (accessories) The suction/pressure hoses from the filter unit Accessories list [} 106] are matched to the filter unit. If you use different con- nection hoses, take into account the pressure loss when con- necting suction/pressure hoses. -
Page 69: Commissioning The Filter Unit
HYDAC FILTER SYSTEMS GMBH Setting up / assembly / integration of the filter unit | 5 5.8 Commissioning the filter unit When you have checked the points listed here and can answer them with OK, the filter unit is ready for operation. - Page 70 5 | Setting up / assembly / integration of the filter unit HYDAC FILTER SYSTEMS GMBH 10. Switch the filter unit on and monitor the suction action via the transparent suction hose. If the filter unit does not pump any fluid after a max. of 5 minutes of opera- tion, switch the filter unit off.
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Page 71: Manual Operation
HYDAC FILTER SYSTEMS GMBH Manual operation | 6 6 Manual operation Select the required operating mode as described in Chapter Selecting the operating modes [} 73]. Connect the suction port/pressure port to the containers or systems to be cleaned and switch the filter unit on at the main switch and switch the compressed air supply on. -
Page 72: Switching The Filter Unit On Or Off/Emergency-Stop
6 | Manual operation HYDAC FILTER SYSTEMS GMBH 6.1 Switching the filter unit on or off/EMERGENCY- STOP 1. Switch the filter unit on at the main switch to operate it. ð The filter unit starts pumping. 2. Switch the filter unit off at the main switch. -
Page 73: Selecting The Operating Modes
HYDAC FILTER SYSTEMS GMBH Manual operation | 6 6.3 Selecting the operating modes Select the optimal operating mode for your requirement. In or- der to do this, use a suitable filter element (900) or an empty element (910). Details for insertion or exchanging this can be found in Chapter Changing the filter element [} 86]. -
Page 74: Recirculation With Filtration/Dewatering
6 | Manual operation HYDAC FILTER SYSTEMS GMBH 6.3.1 Recirculation with filtration/dewatering For the operating mode recirculation with filtration orrecircula- tion with filtration/dewatering use the respective filter element (900) with the required filtration rating. An overview of the available filter elements with their filtration rating (900) can be found in Chapter Finding spare parts/accessories [} 103]. - Page 75 HYDAC FILTER SYSTEMS GMBH Manual operation | 6 5. During recirculation, continuously monitor the filling level on the oil tank/container to be filled. If the required filling quantity is reached, switch the filter unit off at the main switch. 6. Release the pressure hose at the quick coupling, see Removing/installing the quick coupling [} 92].
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Page 76: Circulation Pumping Without Filtration
6 | Manual operation HYDAC FILTER SYSTEMS GMBH 6.3.2 Circulation pumping without filtration In operating mode Recirculation without filtration, replace the filter element (900) with an empty element (910). A suitable empty element (910) can be found in Chapter Finding spare parts/accessories [} 103] Fig. 27: Empty element... - Page 77 HYDAC FILTER SYSTEMS GMBH Manual operation | 6 6. If the required filling quantity is reached, switch the filter unit off at the main switch. 7. Release the pressure hose at the quick coupling, see Removing/installing the quick coupling [} 92].
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Page 78: Operation With Accessories
6 | Manual operation HYDAC FILTER SYSTEMS GMBH 6.4 Operation with accessories In order to adapt the filter unit to your requirements, you can select some items from the accessories list. While using ac- cessories, the technical framework conditions can change in some cases such as the maximum permissible viscosity short time duty instead of continuous operation, etc. -
Page 79: Using A Flow Rate Meter
HYDAC FILTER SYSTEMS GMBH Manual operation | 6 6.4.2 Using a flow rate meter Containers and plants can be precisely filled with the flow rate meter. After a reset (RESET), the large digital display shows you the currently filled volume. -
Page 80: Using A Suction Line Filter On The Suction Hose
6 | Manual operation HYDAC FILTER SYSTEMS GMBH 6.4.4 Using a suction line filter on the suction hose With a suction line filter on the suction hose, even very dirty fluids can be suctioned. While doing so, they protect the pump and the internally installed protective screen from blocking up quickly due to too much dirt. -
Page 81: Rectifying Malfunctions
HYDAC FILTER SYSTEMS GMBH Rectifying malfunctions | 7 7 Rectifying malfunctions In order to get quick and immediate assistance in the case of errors, you will find the most often occurring errors with their cause and remedy with suitable specialist personnel in this chapter. - Page 82 7 | Rectifying malfunctions HYDAC FILTER SYSTEMS GMBH Malfunction Cause(s) Rectification There is air in Fill the vane the suction line pump through and the vane the suction hose/ pump. quick coupling. The viscosity of Check the vis- the fluid is too cosity of the high.
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Page 83: Tab. 7 Error/Cause/Rectification
HYDAC FILTER SYSTEMS GMBH Rectifying malfunctions | 7 Malfunction Cause(s) Rectification The viscosity of Check the vis- the fluid is too cosity of the high. fluid. Heat the fluid to achieve the per- missible viscos- ity. Leaks in the Wrong, missing,... -
Page 84: Performing Maintenance
8 | Performing Maintenance HYDAC FILTER SYSTEMS GMBH 8 Performing Maintenance For a long, trouble-free service life of the product, regular maintenance activities are required. In this chapter, you will find the description of the required maintenance activities and the qualifications of the staff needed to carry out these tasks. -
Page 85: Maintenance Table
HYDAC FILTER SYSTEMS GMBH Performing Maintenance | 8 8.1 Maintenance table Additional infor- mation Observe the opti- cal clogging indi- cator Checking/clean- ing the protective screen Removing/in- stalling the pro- tective screen 8.4.1 Removing/mount- ing the push-in protective screen 8.4.2 Removing/in-... -
Page 86: Changing The Filter Element
8 | Performing Maintenance HYDAC FILTER SYSTEMS GMBH 1 - Operating personnel; 2 - Specialist personnel – Mechanical 8.2 Changing the filter element In this chapter, you will find the procedure for changing the fil- ter element. The following filter elements are available for the... - Page 87 HYDAC FILTER SYSTEMS GMBH Performing Maintenance | 8 Filter element Empty element Proceed as follows for replacing the filter element: 1x wrench = 24 mm 1x torque wrench 1. With the filter unit switched on, remove the suction hose from the housing and aspirate air.
- Page 88 8 | Performing Maintenance HYDAC FILTER SYSTEMS GMBH 4. Switch off the filter unit at the main switch and unplug the power connector. 5. Loosen the filter bowl (600) by turning it counterclock- wise. If required, use a wrench = 24 mm.
- Page 89 HYDAC FILTER SYSTEMS GMBH Performing Maintenance | 8 7. Remove the used filter element. 8. Dispose of the used filter element and the residual oil volume in an environmentally friendly manner in accor- dance with the applicable guidelines and regulations.
- Page 90 8 | Performing Maintenance HYDAC FILTER SYSTEMS GMBH 11. Check the O-rings on the filter element for damage. 12. Coat the threaded connection on the filter bowl and the O-rings on the filter element lightly with the fluid. NOTICE! Damaged O-rings cause leaks at the filter bowl.
- Page 91 HYDAC FILTER SYSTEMS GMBH Performing Maintenance | 8 15. Turn the filter bowl into the connector head by hand in clockwise direction and tighten it with a torque wrench = 24 mm to ≈ 40 Nm. 16. Remove and clean the protective screen (710)/(711) according to the description in Chapter Removing/in- stalling the protective screen [} 94].
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Page 92: Removing/Installing The Quick Coupling
8 | Performing Maintenance HYDAC FILTER SYSTEMS GMBH 8.3 Removing/installing the quick coupling For transportation or for cleaning/changing the strainer, the suction hose must be removed. In the following, you can read about the procedure for the disassembly/assembly of the quick coupling at the suction connection. - Page 93 HYDAC FILTER SYSTEMS GMBH Performing Maintenance | 8 For disassembly, proceed as follows: 1. Switch the filtration unit off. 2. Remove the suction and pressure lances from the con- tainer and empty them. 3. Release the collet (952) on the quick coupling (951) by hand in the anti-clockwise direction.
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Page 94: Removing/Installing The Protective Screen
8 | Performing Maintenance HYDAC FILTER SYSTEMS GMBH 8.4 Removing/installing the protective screen The installed protective screen protects the pump from large contaminants which could cause damage. If the uptake capac- ity of the protective screen has been reached, the volumetric flow through the filter unit reduces sharply. -
Page 95: Removing/Mounting The Push-In Protective Screen
HYDAC FILTER SYSTEMS GMBH Performing Maintenance | 8 8.4.1 Removing/mounting the push-in protective screen No tools are required. Fig. 30: Removing/mounting the push-in strainer 100 Suction hose with quick coupling 700 Quick coupling on the filter unit 701 Seal ring for quick coupling 710 Protective screen, 300 µm... - Page 96 8 | Performing Maintenance HYDAC FILTER SYSTEMS GMBH Proceed as follows to install: 4. For the assembly, inset the cleaned or new protective screen (710) into the quick coupling on the connector (IN) until the stop. 5. Now insert the seal ring (701) into the quick coupling.
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Page 97: Removing/Installing The Push-In Protective Screen
HYDAC FILTER SYSTEMS GMBH Performing Maintenance | 8 8.4.2 Removing/installing the push-in protective screen 1x screwdriver = 16x2 mm Fig. 31: Removing/assembling the push-in strainer For disassembly, proceed as follows: ü Switch off the filter unit and remove the lance from the reservoir and/or close the shut-off device in order to pre- vent any subsequent flow of the medium. - Page 98 8 | Performing Maintenance HYDAC FILTER SYSTEMS GMBH Proceed as follows to install: 4. Check the O-ring (712) for damage and replace it if necessary. 5. Insert the O-ring (712) into the connector. 6. Use the screwdriver = 16 x 2 to screw the protective screen (711) into the connection in clockwise direction.
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Page 99: Checking/Cleaning The Protective Screen
HYDAC FILTER SYSTEMS GMBH Performing Maintenance | 8 8.5 Checking/cleaning the protective screen To protect the pump from large contaminant particles there is a protective screen in the suction port. Clean the strainer regu- larly. CAUTION Sharp-edged metallic chips/metallic particles in the protective... - Page 100 8 | Performing Maintenance HYDAC FILTER SYSTEMS GMBH 4. Assemble the protective screen according to Chapter Removing/installing the protective screen [} 94]. O The assembly of the protective screen is complete 100 / 120 BeWa MFU-15E_S 4391552c en-us web...
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Page 101: Decommissioning / Disposal
HYDAC FILTER SYSTEMS GMBH Decommissioning / Disposal | 9 9 Decommissioning / Disposal In the following chapters, you will be provided with information regarding temporary shutdown/final decommissioning and dis- posal of the product. 9.1 Temporary shutdown If the product is being temporarily shut down, the following... -
Page 102: A Appendix
A | Appendix HYDAC FILTER SYSTEMS GMBH A Appendix In this annex, you will find supplementary information on the product. A.1 EC declaration of conformity The CE declaration of conformity can be found in the Technical Documentation that is part of the scope of delivery for the product. -
Page 103: Finding Spare Parts/Accessories
HYDAC FILTER SYSTEMS GMBH Appendix | A A.3 Finding spare parts/accessories Use only original spare parts for a long, trouble-free life cycle of the filter unit. When ordering spare parts and accessories make sure to always indicate the exact model code and the se- rial number. - Page 104 A | Appendix HYDAC FILTER SYSTEMS GMBH Item Qty. Description Auxiliary Part no. Pressure relief valve consisting of: – Bevel – Spring – Screw – Seal (FKM) Connection set consisting of: – Nozzles and elbow connector at outlet – Screw plug including the seal...
- Page 105 HYDAC FILTER SYSTEMS GMBH Appendix | A Item Qty. Description Auxiliary Part no. Empty element, see Finding the filter elements Tab. 10: Spare parts list *) on demand. BeWa MFU-15E_S 4391552c en-us web 105 / 120...
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Page 106: Accessories List
A | Appendix HYDAC FILTER SYSTEMS GMBH A.3.1 Accessories list In order to adapt the filter unit to your requirements optimally, the following accessories are available for your selection: Item Description Auxiliary Part no. Suction/pressure hose with lances, PVC / PVC 4270478 hose length: 2.5 m/2.5 m,... - Page 107 HYDAC FILTER SYSTEMS GMBH Appendix | A Item Description Auxiliary Part no. Suction / pressure hose with lances, 1SN / 2TE 4270481 hose length: 2.5 m / 5 m, lance length: 0.25 m Suction/pressure hose with connectors, PVC / PVC 4270482 hose length: 2.5 m / 2.5m,...
- Page 108 A | Appendix HYDAC FILTER SYSTEMS GMBH Item Description Auxiliary Part no. Suction/pressure hose with connectors, 1SN / 2TE 4270483 hose length: 2.5 m / 2.5m, connection thread: M30x2/M26x1.5 Suction/pressure hose with connectors, PVC / PVC 4270484 hose length: 2.5 m/5 m,connection thread: M30x2/M26x1.5...
- Page 109 HYDAC FILTER SYSTEMS GMBH Appendix | A Item Description Auxiliary Part no. Set of lances consisting of: 4270559 - Suction lance, L = 1300 mm - Pressure lance, L = 1300 mm - Connections Suction line filter (for installation on the 4270560 suction hose only for viscosity <200 mm²/s)
- Page 110 Model code ....................Fig. 6 4155968 - EBZ MFU-15E9-Sx-FE - AC ........... Fig. 7 4155968 - EBZ MFU-15E9-Sx-FE - DC ........... Fig. 8 Hydraulic diagram MFU-15E ..............Fig. 9 4263428 - EBZ MFU-15S9-Sx-FE............Fig. 10 Hydraulic diagram MFU-15S ..............Fig. 11 Components MFU-15 E/MFU-15 S ............
- Page 111 HYDAC FILTER SYSTEMS GMBH Table of Illustrations Filter element.................... Fig. 25 Example of application: Recirculation with filtration/dewatering ....Fig. 26 Empty element ..................Fig. 27 Example of application: Recirculation ............Fig. 28 Removing/installing the hose coupling ............. Fig. 29 Removing/mounting the push-in strainer..........
- Page 112 Index of Tables HYDAC FILTER SYSTEMS GMBH Index of Tables Tab. 1 Target group ..................... Tab. 2 Target group / Required personnel qualification ........Tab. 3 Scope of delivery ..................Tab. 4 Technical data ..................Tab. 5 Components MFU-15 E/MFU-15 S ............
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Page 113: Glossary
HYDAC FILTER SYSTEMS GMBH Glossary Glossary thermal loads. HLP according to DIN 51524, Part 2: with active sub- The 1 SN high-pressure hose has a stances for increasing corrosion steel mesh insert and, on the inside, protection, resistance to aging and... - Page 114 Glossary HYDAC FILTER SYSTEMS GMBH not carried by hand during opera- HEES tion and includes a group of ma- HEES (Based on synthetic esters): chines that work together in a coor- Synthetic esters can be produced dinated manner. The equipment,...
- Page 115 HYDAC FILTER SYSTEMS GMBH Glossary property and environmental con- Specialist personnel - Mechanical tamination that can result from im- proper use. Polyvinyl chloride is a thermoplastic Such persons have specific special- polymer. As a spiral hose made of ist training and several years' work transparent PVC, with spirals made experience.
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Page 116: Index
Index HYDAC FILTER SYSTEMS GMBH Index 79 Accessories list 106 Hotline 102 HYDAC Service Branches 102 Germany 102 Worldwide 102 calculating pressure loss 66 CE declaration of conformity 30, 102 Imprint 2 clogging indicator increase stability back-pressure indicator, optical 72 adjusting the feet 51... - Page 117 HYDAC FILTER SYSTEMS GMBH Index permissible viscosity 80 Support 102 Person authorized with the documenta- tion 2 power plug technical data exchange 58 ambient temperature range 34 IP protection class 35, 58 Emission sound pressure level 35 protective screen empty weight 34...
- Page 118 Index HYDAC FILTER SYSTEMS GMBH using 78 use: Intended 28 Using a suction strainer on the suction hose 80 visual check 71 Warranty 12 118 / 120 BeWa MFU-15E_S 4391552c en-us web...
- Page 120 www.hydac.com...
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