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Page 15 of 28 – Operation and Maintenance Instructions for Offline Filtration Trolley OFT20 & OFT-HV 
Document No: E1412015-1488-M-02 
 

HYDAC Pty Ltd  - 109-111 Dohertys Road, Altona North, Victoria 3025, Australia 
Telephone: +61 (03) 9272 8900 ; Fax: +61 (03) 9369 8912 ; Website

www.hydac.com.au

 

 

Checking the Scope of Delivery 

The filter unit  OFT Series is delivered packed and ready for use. Please check the unit 
for possible damage before putting it into operation. 

Immediately  report  any  damage  in  transit  to  the  forwarding  agent  or  the  HYDAC 
department in charge. Do not put the unit into operation. 

The following items are supplied: 

Item 

Qty. 

Description 

OFT (Type according to order) 

Operating and Maintenance Instructions (this document) 

 

Technical Description 

The application of the OFT Series results in fewer oil changes within the same amount of 
time,  increases  the  lifetime  of  the  system  filter,  the  lifetime  of  the  components  and  the 
availability of the machinery. 

Restrictions Pertaining to Use 

NOTICE 

Impermissible operating media 

The unit will be destroyed 

► The unit is only to be used with mineral oils or mineral oil-based raffinates. 

 

 

NOTICE 

     Fluid compatibility 

Contamination of system oil 

► The  unit  must  be  flushed  completely  and  filter  element  replaced  when  oil 

type, brand or grade is changed. 

 

Summary of Contents for OFT-HV

Page 1: ...OFT20 OFT HV Offline Filtration Trolley Operating and Maintenance Instructions Document No E1412015 1488 M 02 ...

Page 2: ...one 61 03 9272 8900 Fax 61 03 9369 8912 Website www hydac com au Document Control for Document Number E1412015 1488 M 02 Table of revisions Revision Date Revision by Revision details 02 26 3 2020 Tomislav Draganjac Initial document production Table of authorities Date Name Company Function Signature 26 03 2020 Tomislav Draganjac HYDAC Project Engineer 26 03 2020 Cornel Derrenberg HYDAC Engineering...

Page 3: ...on of liability We made every endeavour to ensure the accuracy of the contents of this document However errors cannot be ruled out Consequently we accept no liability for such errors as may exist nor for any damage or loss whatsoever which may arise as a result of such errors The content of the manual is checked regularly Any corrections required will be incorporated in future editions The content...

Page 4: ...se 10 Improper Use 10 Informal Safety Precautions 11 Training and Instruction of Personnel 11 Hazards Posed by Stored Residual Energy 13 Electrical Hazards 13 What to Do in Case of Emergency 13 Modifications to the Filter Unit 13 Unpacking the Unit 14 Transporting the Unit 14 Storing the Unit 14 Checking the Scope of Delivery 15 Technical Description 15 Restrictions Pertaining to Use 15 OFT Series...

Page 5: ...3 9272 8900 Fax 61 03 9369 8912 Website www hydac com au Intervals for Changing the Filter Element 20 Changing the Filter Element 21 Cleaning replacing the Suction Strainer 22 Errors and Troubleshooting 24 Spare Parts List 25 Spare Parts OFT20 25 Spare Parts OFT HV 25 Spare Elements 26 Disposing of the Unit 26 Taking the Unit Out of Operation 26 Technical Specifications OFT20 27 Technical Specific...

Page 6: ...ns and outs of the product and use it properly You should keep it in the vicinity of the product so it is always at your fingertips Note that the information on the unit s engineering contained in the documentation was that available at the time of publication There may be deviations in technical details figures and dimensions as a result If you discover errors while reading the documentation or h...

Page 7: ...mail info hydac com au Modifications to the Product We would like to point out that changes to the product e g purchasing options etc may result in the information in the operating instructions no longer being completely accurate or sufficient When making modifications or performing repair work to components affecting the safety of the product the product may not be put back into operation until i...

Page 8: ...ing the entire manual prior to starting the unit up for the first time and carefully rereading the manual at regular intervals later on WHAT do you want to know I determine which topic I am looking for WHERE can I find the information I m looking for The document has a table of contents at the beginning I select the chapter I m looking for and the corresponding page number The documentation number...

Page 9: ...gned and constructed in accordance with the current state of the art and recognized safety regulations Nevertheless hazard may be posed to the life and limb of the individual using the product or to third parties The filter unit is to be used solely for its designated use only when in a safe perfect condition Immediately remedy any malfunctions that might impair safety Our General Terms and Condit...

Page 10: ...s are not observed CAUTION NOTICE denotes situations which can lead to property damage if safety precautions are not observed Proper Designated Use The OFT Series is a mobile filter unit used for filtering and transferring oil Any other uses shall be deemed to be improper and not in keeping with the product s designated use The manufacturer will not assume any liability for any damage resulting fr...

Page 11: ...autions Always keep the operating instructions in the vicinity of the unit In addition to the operating instructions the general and local regulations on accident prevention and environmental protection are to be made available and observed Make sure that the safety and hazard symbols and warnings on the unit are always in a legible condition Check the hoses and connectors for leaks on a daily bas...

Page 12: ...te www hydac com au Individuals Individuals undergoing training Individuals with technical training engineering background Electrician Supervisor with the appropriate authority Activity Packing Transportation X X X Commissioning X X X Operation X X X X Troubleshooting locating the source of malfunction X X X Troubleshooting mechanical problem X X Troubleshooting electrical problem X X Maintenance ...

Page 13: ...provided in the respective chapters of this manual WARNING Hydraulic systems are under pressure Bodily injury The hydraulic system must be depressurized before performing any work on the hydraulic system Electrical Hazards DANGER Electric shock Danger of fatal injury Any work involving the electrical system may only be done by a properly trained certified electrician What to Do in Case of Emergenc...

Page 14: ...hen unpacking the unit check it for damage in transit Transporting the Unit NOTICE Using components for pushing pulling The unit will be damaged Never use the components to push or pull the unit Use the handles provided for moving NOTICE Unsuitable lifting accessories The unit components will be damaged destroyed Use only suitable lifting accessories to raise or lash the unit Take care to ensure t...

Page 15: ...rge Do not put the unit into operation The following items are supplied Item Qty Description 1 1 OFT Type according to order 1 Operating and Maintenance Instructions this document Technical Description The application of the OFT Series results in fewer oil changes within the same amount of time increases the lifetime of the system filter the lifetime of the components and the availability of the m...

Page 16: ...Offline Filtration Trolley OFT20 OFT HV Document No E1412015 1488 M 02 HYDAC Pty Ltd 109 111 Dohertys Road Altona North Victoria 3025 Australia Telephone 61 03 9272 8900 Fax 61 03 9369 8912 Website www hydac com au OFT Series Dimensions and Hydraulic Diagram ...

Page 17: ... Put the suction hose with lance without any tension or twists into the appropriate container and secure it against falling out Connecting the Pressure Hose Pull the pressure hose smaller diameter with lance out of the hose rack Put the pressure hose with lance without tension and or twist into the appropriate container and secure it against falling out To avoid air from entering the medium during...

Page 18: ...8912 Website www hydac com au NOTICE Overpressure at the suction port connection The unit will be destroyed The pressure on the suction port connection IN may not exceed 0 4 bar NOTICE Pressure port OUT closed The unit will be destroyed Make sure that the pressure port is always open NOTICE Unexpected operation of the pump The unit will be destroyed if the pump is operated dry Make sure that the u...

Page 19: ... Series is supplied with filter element installed information on changing a filter element can be found on the next pages Priming the pump If after approximately 30 seconds the unit does not pass any fluid switch the motor off and prime the pump Prime the pump by keeping the suction lance above the height of the pump and filling the suction hose with oil from a jug bottle Switch the pump back on a...

Page 20: ...em Maintenance Intervals Daily Monthly Annually Visual inspection for leakage and damage X Cleaning the suction strainer on the line X Changing the filter element if not already changed X Intervals for Changing the Filter Element To monitor the degree of contamination in the filtration unit it is equipped with an optical clogging indicator If the clogging indicator is red the differential pressure...

Page 21: ...be given to the threads Examine filter especially sealing surfaces for mechanical damage Check O rings and replace if necessary Fitting new Element Wet the sealing surfaces and thread on the filter head and bowl end cover as well as the O ring with clean operating fluid Before fitting a new filter element check that the designation corresponds to that of the old element Lubricate seal and sealing ...

Page 22: ...stralia Telephone 61 03 9272 8900 Fax 61 03 9369 8912 Website www hydac com au Cleaning replacing the Suction Strainer NOTICE Operation without a suction screen Pump is disrupted Never use operate the unit without a suction strainer Clean the suction screen regularly To protect the pump from coarse contamination particles and other foreign bodies a suction strainer is fitted at the pump inlet ...

Page 23: ... plug 1 counterclockwise with a wrench 2 Remove the strainer insert 3 and clean it by washing it out with solvent or air cleaning it using compressed air 3 Check strainer insert 3 and sealing ring 2 on the screw plug 1 for damage Replace if necessary 4 Install the new strainer insert 3 in the suction strainer 5 Screw in the screw plug 1 by hand in a clockwise direction with a wrench 50 mm and tigh...

Page 24: ...hose is positioned above the medium and sucks in air Sufficiently immerse the suction hose in the medium No function The electrical connection is faulty Check the electrical connection plug cable and socket Pump cavitation Flow is too high for inlet hose configuration Ensure hose length and diameter complies with guidelines in the document Mechanical restriction in inlet hose Remove any restrictio...

Page 25: ...m au Spare Parts List Spare Parts OFT20 Part no Designation 2356973 Inline Y strainer Strainer insert Sealing ring for strainer 2356876 Suction hose assembly DN 25 L 3 m including lance 2356877 Delivery hose assembly DN 20 L 4 m including lance Spare Parts OFT HV Part no Designation 2365186 Inline Y strainer Strainer insert Sealing ring for strainer 2363313 Suction hose assembly DN 40 L 3 m includ...

Page 26: ...m 0200 MX 010 ECON2 B3 5 1296386 20 µm 0200 MX 020 ECON2 B3 5 1299109 OFT HV 5 µm 0280 D 005 ON QPG1 1327379 10 µm 0280 D 010 ON QPG1 1323856 20 µm 0280 D 020 ON QPG1 1326815 Disposing of the Unit Dispose of the packaging material in an environmentally friendly manner After dismantling the unit and separating the various materials dispose of the unit in an environmentally friendly manner Taking th...

Page 27: ...sure 3 5 bar max Element 10µ supplied with unit Pressure at suction port 0 4 bar abs flooded suction recommended Viscosity range 16 200 cSt Permitted operating fluid Mineral oils Fluid temperature 0 80 Ambient temperature 0 45 Protection class IP54 Power cable length 2 m Seal Gaskets NBR Pressure hose length NW 28 with lance 4 m including lance Weight 22 8 kg without trolley 32 6 Kg with trolley M...

Page 28: ...sure 5 bar max Element 10µ supplied with unit Pressure at suction port 0 4 bar abs Viscosity range 16 3000 cSt Permitted operating fluid Mineral oils Fluid temperature 0 80 Ambient temperature 0 45 Protection class IP54 Power cable length 2 m Seal Gaskets NBR Pressure hose length NW 28 with lance 4 m including lance Weight 39 kg without trolley 47 Kg with trolley Model Code OFT HV OFT HV N3550 F 0...

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