Related Manuals for HYDAC International OLF-5 Z Series
Summary of Contents for HYDAC International OLF-5 Z Series
- Page 1 OffLine Filter OLF-5-…-Z-… OLF-10-…-Z-… Installation instructions 4520794a / 2025-01...
- Page 2 Translation / original language: German © 2025 HYDAC Filter Systems GmbH. All rights reserved. ® All product names used may be trademarks or registered trademarks of HYDAC or the particular owner. This manual was prepared to the best of our knowledge. Nevertheless, and despite the greatest care, it cannot be ruled out that mistakes could have crept in.
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Page 3: Table Of Contents
CONTENTS Contents General ........................... Target group of the manual ................Illustrations in the manual................... 1.2.1 Depiction of warning signs..............1.2.2 Representation of requirements ............1.2.3 Representation of procedural instructions ..........1.2.4 Representation of intermediate results/results ........1.2.5 Supplementary symbols ............... Warranty ...................... - Page 4 CONTENTS Connecting electrical clogging indicator ............. Taking the filter housing into operation............... 5.5.1 Filter housing with flow control valve (OLF-xx-E-Z)......5.5.1.1 Adjusting the flow control valve .......... Checking installation................... Operation ........................Observing the optical clogging indicator (optional)..........Rectifying malfunctions ....................Performing maintenance ....................
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Page 5: General
1. GENERAL General 54043196243574411 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 procedure in the respective chapters. The use and the handling of the product as well as its use are not self-explanatory and are described in detail in this manual. - Page 6 1. GENERAL Warnings visually highlighted in boxes Warnings visually highlighted in boxes provide the following information in connection with a hazard: DANGER High electrical voltages Life-threatening injury or death! Disconnect the system from the power supply and secure it against being switched back on again. Warning level Type and source of the hazard How high is the risk...
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Page 7: Representation Of Requirements
1. GENERAL Warning level What this means for you Warns of dangers for people with a high risk potential. DANGER Failure to observe this warning is highly likely to result in serious injury or even death. Warns of dangers for people with a medium risk potential. WARNING Failure to observe this warning may result in serious injury or even death. -
Page 8: Representation Of Intermediate Results/Results
1. GENERAL 1.2.4 Representation of intermediate results/results 9007199396760075 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. -
Page 9: Safety Regulations
2. SAFETY REGULATIONS Safety regulations 18014398681437195 The product is designed as safe. In spite of that, there is danger 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 10 2. SAFETY REGULATIONS Exposed electrical components Danger due to operating pressure Signs used for the required specialist personnel These symbols show the required training/knowledge for installation work and/or main- tenance work. Specialist personnel – Electrical These persons have specific specialist training and several years of work experience.
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Page 11: Danger Notifications
2. SAFETY REGULATIONS Danger notifications 18014398830679947 The following dangers can occur in the various life cycles of the product: Life cycle – in all life cycles. The following risks could arise during all life cycles: Environmental tip Siphoning effect Reservoir overflowing/leaking = oil spill Remove the ends of the hoses from the reservoir after operation or shut the shut-off device in the suction line. -
Page 12: Observing Regulatory Information
2. SAFETY REGULATIONS Observing regulatory information 9007199302626571 Observe the following regulatory information and directives: ● Legal and local regulations for accident prevention ● Legal and local regulations for environmental protection and environmental require- ments ● Country-specific regulations, organisation-specific regulations ● Occupational safety rules Observing environmental precautions 63050395051134859... -
Page 13: Product And Technical Specifications
3. PRODUCT AND TECHNICAL SPECIFICATIONS Product and technical specifications 18014398572780299 The filter units of the OLF-5 and OLF-10 series are used for fine filtration of hydraulic oils in the bypass flow. The series includes numerous versions, e.g. with or without motor-pump unit, element removal upwards or downwards, tank installation variant, optionally with integrated Condition Monitoring to determine fluid purity and water content, etc. -
Page 14: Checking The Scope Of Supply
3. PRODUCT AND TECHNICAL SPECIFICATIONS Any other use or extended use 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. Improper use may result in hazards and/or will damage the filter unit. -
Page 15: Decoding The Type Label
3. PRODUCT AND TECHNICAL SPECIFICATIONS Decoding the type label 18014398572605323 Details for identifying the product are found on the name plates on the product as well as their components. Always mention the part number and the serial number when contacting HYDAC. The name plate for the filter housing Model code for the filter housing Part no. -
Page 16: Model Code
3. PRODUCT AND TECHNICAL SPECIFICATIONS 3.4.1 Model code 18014398574995467 The filter unit/filter housing is defined by the following model code: OLF - 5 - F - Z - NxXMxxx - xx Basic type OLF = OffLine Filter Size = for filter element N5 = for filter element N10 Version E = With flow control valve... -
Page 17: Technical Data
3. PRODUCT AND TECHNICAL SPECIFICATIONS Type code Description N10DM010 Filter element 10 µm, DIMICRON N10DM020 Filter element 20 µm, DIMICRON N10AM002 Filter element 2 µm, AQUAMICRON N10AM020 Filter element 20 µm, AQUAMICRON Without filter element Tab. 5: Overview – filter elements N10xMxxx Technical data 5339254155 If you are aware of the technical data of the product, you will be able to use it optimally. -
Page 18: Dimensions/Hydraulic Diagram
3. PRODUCT AND TECHNICAL SPECIFICATIONS Filtration rating ß(2) > 1000 (∆p 2.5 bar) with N5DMxxx or N10DMxxx filter element Design service life If the service and maintenance intervals are followed, the intended service life of the unit is not limited. Tab. 6: Technical data Dimensions/hydraulic diagram 9007199320214155 This chapter contains the drawings with dimensions and the hydraulic diagram for the... -
Page 19: Components Olf-5-E
3. PRODUCT AND TECHNICAL SPECIFICATIONS 3.6.1.1 Components OLF-5-E… / OLF-5-F… 67509643 The filter housing has the following components: Fig. 3: Components OLF-5-E… / OLF-5-F… Item Designation Fluid inlet Fluid outlet DRAIN Emptying / fluid drain AIR BLEED Aerator/de-aerator Clogging indicator Mounting foot / electric motor foot Filter bowl Flow control valve (only for OLF-5-E…) 19 / 60... -
Page 20: Drawing Olf-5-E-Z
3. PRODUCT AND TECHNICAL SPECIFICATIONS 3.6.2 Drawing OLF-5-E-Z-… 9007199320222731 Fig. 4: Drawing OLF-5-E-Z-… All dimensions in mm. Item Designation Fluid inlet Fluid outlet DRAIN Emptying / fluid drain AIR BLEED Aerator/de-aerator Clogging indicator 20 / 60 4520794a / 2025-01... -
Page 21: 3.6.2.1 Components Olf-5-E-Z
3. PRODUCT AND TECHNICAL SPECIFICATIONS 3.6.2.1 Components OLF-5-E-Z … 67513483 Fig. 5: Components OLF-5-E-Z … Item Designation Fluid inlet Fluid outlet DRAIN Emptying / fluid drain AIR BLEED Clogging indicator Clogging indicator Mounting foot Filter bowl Flow control valve 21 / 60 4520794a / 2025-01... -
Page 22: Drawing Olf-5-T
3. PRODUCT AND TECHNICAL SPECIFICATIONS 3.6.3 Drawing OLF-5-T-… 9007199322285323 Fig. 6: Drawing OLF-5-T-… All dimensions in mm. Item Designation Fluid inlet Fluid outlet 22 / 60 4520794a / 2025-01... - Page 23 3. PRODUCT AND TECHNICAL SPECIFICATIONS Item Designation DRAIN Emptying / fluid drain Clogging indicator AIR BLEED Aerator/de-aerator Required space for removing the filter element 23 / 60 4520794a / 2025-01...
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Page 24: 3.6.3.1 Components Olf-5-T
3. PRODUCT AND TECHNICAL SPECIFICATIONS 3.6.3.1 Components OLF-5-T… 67546891 The filter housing has the following components: Fig. 7: Components OLF-5-T… Item Designation Fluid inlet Fluid outlet AIR BLEED Aerator/de-aerator DRAIN Emptying / fluid drain Clogging indicator Filter bowl Clamping clip Filter bowl cover 24 / 60 4520794a / 2025-01... -
Page 25: Drawing Olf-5/Xx-T
3. PRODUCT AND TECHNICAL SPECIFICATIONS 3.6.4 Drawing OLF-5/xx-T-… / OLF-10/xx-T-… 9007199320228875 The filter unit has the following dimensions: Fig. 8: Drawing OLF-5/xx-T-… / OLF-10/xx-T-… All dimensions in mm. 25 / 60 4520794a / 2025-01... - Page 26 3. PRODUCT AND TECHNICAL SPECIFICATIONS Item Designation Fluid inlet Fluid outlet DRAIN Emptying / fluid drain Clogging indicator Required space for removing the filter element AIR BLEED Venting / air vent Installation space for a HYDACLab 26 / 60 4520794a / 2025-01...
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Page 27: Components Olf-5-T
3. PRODUCT AND TECHNICAL SPECIFICATIONS 3.6.4.1 Components OLF-5-T… / OLF-10-T… 67519243 The filter unit has the following components: Fig. 9: Components OLF-5-T… / OLF-10-T… Item Designation Fluid inlet Fluid outlet AIR BLEED De-aerator DRAIN Emptying / fluid drain Clogging indicator Installation space for a HYDACLab 27 / 60 4520794a / 2025-01... -
Page 28: Transportation/Storage
4. TRANSPORTATION/STORAGE Transportation/storage 9007199317989771 Empty the filter unit/filter housing fully before transporting it or putting it into storage. Remove the used filter element/filter cartridge and clean the inside of the filter housing. NOTICE Do not pick up the product by the clogging indicator The clogging indicator is damaged/destroyed. -
Page 29: Mounting/Installing
5. MOUNTING/INSTALLING Mounting/installing 36028797082409995 An optimally assembled and installed product ensures a safe and continuous operation. Below, you will find information on how to install and connect the filter housing hydraulically. Only install the filter housing vertically. Fasten the filter housing to the mounting foot using four suitable screws, depending on the version. -
Page 30: Measuring Dynamic Pressure Or Differential Pressure
5. MOUNTING/INSTALLING After the filter unit is switched off, the height difference or starting pressure can cause the flow to occur both in and against the feed direction and the fluid can leak uncontrollably. Measuring dynamic pressure or differential pressure 54043195669075979 If pressure is measured in a hydraulic system, the type of measurement such as dynamic pressure or differential pressure as well as the measurement point MP is... -
Page 31: Hydraulic Connection
5. MOUNTING/INSTALLING pressure p4 at the last measurement point MP4, denoted in the example in simplified form as ∑∆p. Piping and hoses and the type of routing (pipe length, wire cross-section, number of bends, height differences, etc.) influence the pressure loss in a hydraulic system. These were disregarded in the example shown above. -
Page 32: Connecting Inlet In
5. MOUNTING/INSTALLING 5.3.2 Connecting inlet IN 9007199318417419 Use a suitable screwed fitting for the connection. Please note when connecting the filter housing: u Connect the filter housing to the return line from the hydraulic system. NOTICE Excess pressure at the inlet IN The pump will be damaged/destroyed Observe the permitted pressure at the inlet IN. -
Page 33: Filter Housing With Flow Control Valve (Olf-Xx-E-Z)
5. MOUNTING/INSTALLING See also 2 Adjusting the flow control valve [} 33] 5.5.1 Filter housing with flow control valve (OLF-xx-E-Z) 27021597828110859 On the filter housing with a flow control valve, this valve keeps the flow rate constant by means of a control process. The flow rate largely depends on the pressure and the viscosity. -
Page 34: Checking Installation
5. MOUNTING/INSTALLING Checking installation 66506123 Check all electrical/hydraulic connections, screw connections and components for tightness. After start-up, check all functions and check for leaks. 34 / 60 4520794a / 2025-01... -
Page 35: 6. Operation
6. OPERATION Operation 36028797085490955 To monitor the service life of the filter element / filter cartridge during operation, the filter unit / filter housing can be equipped with a clogging indicator (back pressure / differ- ential pressure, optical or electrical). Check the visual clogging indicator daily, for details see ▶Sec. 6.1 "Observing the optical clogging indicator (optional)"... -
Page 36: Rectifying Malfunctions
7. RECTIFYING MALFUNCTIONS Rectifying malfunctions 18014398574406539 In order to get quick and immediate assistance in the case of errors, you will find the most common faults with their causes, to be rectified by qualified personnel. The following errors may occur during handling or operation of the filter unit / filter housing: Fault Cause(s) -
Page 37: Performing Maintenance
8. PERFORMING MAINTENANCE Performing maintenance 18014398573574539 This chapter contains the description of the required maintenance activities and the qualifications of the staff needed to carry out these tasks. WARNING The hydraulic system is under operating pressure Danger of bodily injury The hydraulic system must be depressurised before performing any work on it. -
Page 38: Resetting Visual Clogging Indicator Vm X Bm.x
8. PERFORMING MAINTENANCE Resetting visual clogging indicator VM x BM.x 18014398573730187 The visual clogging indicator VM x BM.x has a manual reset. Reset the visual clogging indicator manually after each filter element change, as shown below. ü The filter element has been replaced. 1. - Page 39 8. PERFORMING MAINTENANCE 2. Release the clamping clip (a) on the filter housing and remove it down- wards (b). Use an allen screw ( = 5 mm) (1). 3. Pull the filter bowl and filter element downwards. 4. Remove (a) the filter element by turning slightly (b) so it comes out of the filter bowl.
- Page 40 8. PERFORMING MAINTENANCE 5. Clean the inside of the filter bowl to remove dirt and deposits. 6. Check the O-ring on the filter bowl for damage. Replace it if necessary. Slightly wet the O-rings on the filter bowl with the operating medium. 7.
- Page 41 8. PERFORMING MAINTENANCE 8. Press the new filter element into the holder of the filter bowl while turning it slightly. 9. Slide the filter bowl together with the filter element upwards into the holder on the filter head. 10. Push the clamping clip (a) from the bottom upwards over the filter bowl over the bead on the filter bowl/filter head.
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Page 42: Changing Filter Element - Toploader
8. PERFORMING MAINTENANCE 11. Check the drain screw on the filter bowl for tightness using an allen screw = 6 mm). 12. Put the filter housing / unit into oper- ation and check for leaks. O The replacement of the filter element is now complete. - Page 43 8. PERFORMING MAINTENANCE 2. Provide a suitable container to collect DRAIN any leaking operating fluid. The capacity depends on the size and is ≈ 3 litres for size 5 and ≈ 6 litres for size 10. Empty the filter housing using the drain screw DRAIN = 10 mm.
- Page 44 AIR BLEED 8. PERFORMING MAINTENANCE 5. Loosen the dirt collecting basket by turning it ≈ 30° clockwise. AIR BLEED ≈ 30° 6. Remove the filter element from the filter housing cover by turning it ≈ 30° clockwise, and dispose of it in an envi- ronmentally friendly manner.
- Page 45 8. PERFORMING MAINTENANCE 7. Clean the inside of the filter housing to remove dirt and deposits. 8. Check the O-ring on the filter bowl for damage. Replace it if necessary. Slightly wet the O-rings on the filter bowl cover and on the filter element with the operating medium.
- Page 46 AIR BLEED 8. PERFORMING MAINTENANCE 10. Attach the dirt collection bowl to the bottom of the filter element by turning it ≈ 30° counterclockwise. ≈ 30° AIR BLEED 11. Place the filter element with filter bowl cover and dirt collection container in the filter housing.
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Page 47: Replacing Clamping Clip - Only For T Version
8. PERFORMING MAINTENANCE 15. Tighten the drain screw DRAIN DRAIN = 10 mm. 16. Switch on the filter unit/hydraulic system and bleed the filter housing via the bleed screw AIR BLEED = 6 mm in the filter bowl cover. AIR BLEED 17. Put the unit into operation and check the filter unit/filter unit for leaks. -
Page 48: Annex
9. ANNEX Annex 18014399022648971 This Annex contains additional information on the product. Finding spare parts/accessories 18014398574408843 Use only original spare parts for a long and defect-free life cycle of the product. When ordering spare parts and accessories make sure to always indicate the exact model code and the serial number. -
Page 49: Differential Pressure Indicator, Visual - Vm X B.x
9. ANNEX 9.3.1 Differential pressure indicator, visual – VM x B.x 36028797208480523 The visual differential pressure indicator reacts to the increasing pressure difference as the contamination level of the filter element increases. Fig. 17: Differential pressure indicator, visual VM x B.x Display type Visual display with green-red field, auto- matic return Weight 55 g... -
Page 50: Differential Pressure Indicator, Visual - Vm X Bm.x
9. ANNEX 9.3.2 Differential pressure indicator, visual – VM x BM.x 36028797208484619 The visual differential pressure indicator reacts to the increasing pressure difference as the contamination level of the filter element increases. Fig. 18: Differential pressure indicator, visual VM x BM.x Display type Visual display with green-red field, manual return Weight 55 g... -
Page 51: Differential Pressure Indicator, Electrical - Vm X C.x
9. ANNEX 9.3.3 Differential pressure indicator, electrical – VM x C.x 36028797208611723 The electrical differential pressure indicator reacts to the increasing pressure difference as the contamination level of the filter element increases. Fig. 19: Differential pressure indicator, electrical VM x C.x Display type Electrical switch Weight 120 g Response pressure or indication range... -
Page 52: Differential Pressure Indicator, Electrical - Vm X D.x /-L-Xx
9. ANNEX 9.3.4 Differential pressure indicator, electrical – VM x D.x /-L-xx 36028797208620427 The electrical differential pressure indicator reacts to the increasing pressure difference as the contamination level of the filter element increases. Fig. 20: Differential pressure indicator, electrical VM x D.x /-Lxx Display type Visual display and electrical switch Weight 150 g Response pressure or indication range... -
Page 53: Differential Pressure Indicator, Visual / Electrical - Vd X Le.x
9. ANNEX 9.3.5 Differential pressure indicator, visual / electrical – VD x LE.x 45035996635339787 The visual / electrical differential pressure indicator reacts to the increasing pressure difference as the contamination level of the filter element increases. Fig. 21: Differential pressure indicator, visual / electrical VD x LE.x Display type Visual display with red pin and electrical switch. - Page 54 9. ANNEX Electrical connection Plug connection M20 Line socket to DIN EN 175301-803 Protection type acc. to IEC 60529 IP 65 (only with plugged-in and correctly wired cable socket) Tab. 12: Differential pressure indicator, electrical VD x LE.x 54 / 60 4520794a / 2025-01...
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Page 55: Back Pressure Switch, Electrical - Vr X C.1
9. ANNEX 9.3.6 Back pressure switch, electrical – VR x C.1 18014399054311051 The electrical back pressure switch reacts to the increasing back pressure as the contamination level of the filter element increases. ≈ 35 27 mm 19 mm O-ring G 1/2 Fig. 22: Back pressure switch, electrical VR x C.1 Display type Electrical switch Weight... - Page 56 9. ANNEX Electrical connection Cable socket according to DIN EN 175301-803 Protection type acc. to IEC 60529 IP 65 (only with plugged-in and correctly wired cable socket) Tab. 13: Back pressure switch, electrical VR x C.1 56 / 60 4520794a / 2025-01...
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Page 57: Glossary
GLOSSARY Glossary AQUAMICRON The filter elements of the AQUAMICRON series are characterised by their high contamination retention capacity of the glass fibre layers used and a high water retention capacity. The glass fibre structure and the pleated design of the elements make a high flow rate possible and, through that, high dedusting speeds due to the high circulation rate and a... -
Page 58: Index
INDEX Index Back pressure switch, electrical Operating medium 17 VR x C.1 56 Pressure drop Clogging indicator Calculate hydraulic lines 31 Back pressure switch 56 Formula 31 Differential pressure indicator Pressure difference 31 49, 50, 51, 52, 54 Observing the 35 Reset 38 Customer service 48... - Page 59 59 / 60 4520794a / 2025-01...
- Page 60 HYDAC Filter Systems GmbH Industriestraße 66280 Sulzbach/Saar Germany Tel. +49 6897 509-01 filtersystems@hydac.com www.hydac.com Further addresses: www.hydac.com/en/contacts...
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