BIFFI OLGA Series Installation, Operation And Maintenance Manual
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BIFFI OLGA Series Installation, Operation And Maintenance Manual

Double-acting hydraulic actuator
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Biffi OLGA
Double-Acting Hydraulic Actuator
Copyright © Biffi. The information in this document is subject to change without notice. Updated data sheets can be obtained from our website www.biffi.it or from your nearest Biffi Center:
Biffi Italia s.r.l. - Strada Biffi 165, 29017 Fiorenzuola d'Arda (PC) – Italy PH: +39 0523 944 411 – biffi_italia@biffi.it
Installation, Operation and Maintenance Manual
MAN 606 Rev. 5
December 2020

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Summary of Contents for BIFFI OLGA Series

  • Page 1 Double-Acting Hydraulic Actuator Copyright © Biffi. The information in this document is subject to change without notice. Updated data sheets can be obtained from our website www.biffi.it or from your nearest Biffi Center: Biffi Italia s.r.l. - Strada Biffi 165, 29017 Fiorenzuola d'Arda (PC) – Italy PH: +39 0523 944 411 – biffi_italia@biffi.it...
  • Page 2 Revision Details Installation, Operation and Maintenance Manual December 2020 MAN 606 Rev. 5 Revision Details Rev. Date Description Prepared Checked Approved December 2020 Migration to new template 20/04/18 Revised data-plate Ermanni Orefici Vigliano Updated applicable regulation 18/04/16 Ermanni Orefici Vigliano (Chapter 1.1.1) 31/07/12 General update...

  • Page 3: Table Of Contents

    Installation, Operation and Maintenance Manual Table of Contents MAN 606 Rev. 5 December 2020 Table of Contents Section 1: General Warnings Generalities ....................1 1.1.1 Applicable Regulation ................ 1 1.1.2 Terms and Conditions ................. 1 Identification Plate ..................2 Introducing the Actuator ................3 Data Sheet ....................
  • Page 4 Table of Contents Installation, Operation and Maintenance Manual December 2020 MAN 606 Rev. 5 Section 6: Troubleshooting Failure or Breakdown Research ..............37 Section 7: Layouts Spare Parts Order ..................38 Parts List for Maintenance and Replacing Procedure ........39 Section 8: Date Report for Maintenance Operations Date Report for Maintenance Operations...............47 Table of Contents...

  • Page 5: Section 1: General Warnings

    Biffi Italia s.r.l pays the highest attention to collecting and verifying the documentation contained in this user manual. However Biffi Italia s.r.l. is not liable for any mistakes contained in this manual, for damage or accidents due to the use of the latter.

  • Page 6: Identification Plate

    MAN 606 Rev. 5 Identification Plate WARNING It is forbidden to modify the information and the marks without previous written authorization by Biffi Italia s.r.l. The plate fastened on the actuator contains the following information (Figure 1). Figure 1 Data Plate...

  • Page 7: Introducing The Actuator

    The actuator yoke has a hole with keyways suitable for the assembly of an insert bush the internal hole of which is machined (by Biffi or at Customer's care), according to the shape and dimensions of the valve stem. Biffi can supply different types of control system following Customer's requirements.

  • Page 8: Section 2: Installation

    Section 2: Installation Installation, Operation and Maintenance Manual December 2020 MAN 606 Rev. 5 Section 2: Installation Checks Upon Actuator Receipt • Check that the model, the serial number of the actuator and the technical data reported on the identification plate correspond with those of order confirmation (Section 1.2).
  • Page 9 Installation, Operation and Maintenance Manual Section 2: Installation MAN 606 Rev. 5 December 2020 Figure 4 Lifting points for OLGA / OLGA-MHP / OLGA-MSJ 1, 2 = Lifting points (obligatory) 3 = Balancing point 1 = Point of support 2 = Supports for lateral positioning WARNING 3 = Do not lay the actuator on tie rods of cylinder/s and do not lay the actuator on accessories (manual handpump, manual jackscrew, pneumatic control group etc.).
  • Page 10 MHP body); remove the blind plug and restore the dipstick before operate the actuator with MHP. Biffi hydraulic manual hand-pump must be maintained with tank in upper position to operate the actuator with MHP correctly.
  • Page 11 Installation, Operation and Maintenance Manual Section 2: Installation MAN 606 Rev. 5 December 2020 Figure 6 Figure 7 OMFB manual hand-pump should be transported and used with MHP tank in horizontal position, but in position 3 of follow picture (extracted from OMFB technical documentation) it is necessary change the position of suction pipe and breather cap.

  • Page 12: Storage

    Section 2: Installation Installation, Operation and Maintenance Manual December 2020 MAN 606 Rev. 5 Storage If the actuator needs storage, before installation follow these steps: • Place it on a wood surface in order not to deteriorate the area of valve coupling. •...

  • Page 13: Actuator Assembly On The Valve

    Biffi standard tables SCN6200* and SCN6201*. If required, for the standard models size 0.3 to 6, Biffi can supply an insert bush with un-machined bore in accordance with Biffi standard table SCN6202. On request the insert bush bore can be machined by Biffi to couple the valve stem.

  • Page 14: Assembly Procedure

    Insert bush turned upside down The Biffi insert bush with 2 external keys at 45° allows to position the keyway for the valve every 90°. Consequently actuator can be mounted in 4 positions at 90° on top of the valve.

  • Page 15: Hydraulic Connections

    NOTICE If necessary to mount components not in Biffi scope of supply, please check the accessories mounting hole details in the documents TN 1028 (for metric dimension) or TN 1028U (for imperial dimension).

  • Page 16: Electrical Connections (If Any)

    Section 2: Installation Installation, Operation and Maintenance Manual December 2020 MAN 606 Rev. 5 Electrical Connections (If Any) WARNING Use components appropriate as for type, material and dimensions. The connections should be made by qualified staff. Before carrying out any operation, cut line power off Safety provisions: 2006/95/EC: Directive for low voltage equipment...

  • Page 17: Commisioning

    Installation, Operation and Maintenance Manual Section 2: Installation MAN 606 Rev. 5 December 2020 Commisioning WARNING Check that values of electrical supply to the control group (if foreseen) are compatible with those on the plate on the junction box (Figure 10). Installation, commissioning and maintenance and repair works should be made by qualified staff.

  • Page 18: Section 3: Operation And Use

    Section 3: Operation and Use Installation, Operation and Maintenance Manual December 2020 MAN 606 Rev. 5 Section 3: Operation and Use Operation Description In the normal operating situation, the double-acting actuator is fed by pressurised oil which flows into the relevant cylinder chamber (for example opening). The cylinder piston stroke causes the actuator operation and the consequent valve movement to the operational position requested (in this case to the “open”...
  • Page 19 Installation, Operation and Maintenance Manual Section 3: Operation and Use MAN 606 Rev. 5 December 2020 Figure 11 Table 3. Item Name Housing Yoke Yoke bushing Cover Guide block pin Sliding block Guide block Guide bar Guide block bushing Travel stop screw Cylinder head flange Piston rod bushing Piston rod O-ring...

  • Page 20: Residual Risks

    Section 3: Operation and Use Installation, Operation and Maintenance Manual December 2020 MAN 606 Rev. 5 Residual Risks WARNING The actuator has parts under pressure. Use the due caution. Use individual protections provided for by the laws and provisions in force. Operations Refer to specific document: Operating Diagram Furnished.
  • Page 21 Installation, Operation and Maintenance Manual Section 3: Operation and Use MAN 606 Rev. 5 December 2020 Figure 13 Figure 14 OLGA with hydraulic manual hand-pump Table 4. Item Name Scotch yoke mechanism Hydraulic cylinder Hydraulic manual override Directional control valve Handpump Relief valve Oil tank...

  • Page 22: Emergency Manual Operation By Mhp

    Section 3: Operation and Use Installation, Operation and Maintenance Manual December 2020 MAN 606 Rev. 5 3.3.2 Emergency Manual Operation by MHP The OLGA actuators can have an emergency manual override in addition to the local and/or remote control panel which controls the oil supplied by a power pack for the “normal”...

  • Page 23: Emergency Manual Operation By Msj - Mhw

    Installation, Operation and Maintenance Manual Section 3: Operation and Use MAN 606 Rev. 5 December 2020 3.3.3 Emergency Manual Operation by MSJ - MHW The MSJ jackscrew manual override can be supplied for OLGA actuators from model 0.3 to model 3. The override is mounted on the left side of the actuator, the jackscrew end is screwed into the guide block.
  • Page 24 Section 3: Operation and Use Installation, Operation and Maintenance Manual December 2020 MAN 606 Rev. 5 In case of an actuator with two cylinders (Figure 18), both mechanical stops are screwed on the end flanges of the cylinders. Figure 18 Actuator with two cylinders For the adjustment of the mechanical stop on the end flange of cylinder, follow these steps (Figure 18):...
  • Page 25 Installation, Operation and Maintenance Manual Section 3: Operation and Use MAN 606 Rev. 5 December 2020 Figure 19 Table 6. Hydraulic cylinder size Wrench c1 (mm) Wrench c2 (mm) Wrench c3 (mm) Operation and Use...
  • Page 26 Section 3: Operation and Use Installation, Operation and Maintenance Manual December 2020 MAN 606 Rev. 5 For the adjustment of the mechanical stop screwed into the left side of housing, follow these steps (Figure 20 and Figure 21): • Loosen the locknut (d) with the specific wrench (c2). •...
  • Page 27 Installation, Operation and Maintenance Manual Section 3: Operation and Use MAN 606 Rev. 5 December 2020 For the adjustment of the mechanical stop screwed on the end flange of manual override (see Section 7.2, Figure 36). Figure 22 Table 9. Mechanical stop on the end flange of manual override Hydraulic cylinder size Wrench c1 (mm)

  • Page 28: Calibration Of Micro-Switches (If Foreseen)

    Section 3: Operation and Use Installation, Operation and Maintenance Manual December 2020 MAN 606 Rev. 5 Calibration of Micro-switches (If Foreseen) (Refer to Safety Instructions Manual for limit switch box). WARNING Refer only to technical documentation related to installed switch-box model. NOTICE For mounting interface dimension of the Limit Switch box on the cover of the actuator, please refer to TN1163V (for metric dimension) or TN1163VU (for imperial dimension).

  • Page 29: Calibration Of The Operation Time (Optional - If Foreseen)

    Calibration of the Operation Time (Optional – If Foreseen) The calibration of the operation time is made by Biffi Italia s.r.l according to customer requirements and to technical data-sheet included in technical documentation. If necessary it’s possible to modify or reset the operating time through two flow regulation valves (optional) placed on inlets of hydraulic cylinder (see Figure 24 and the applicable operating diagram).
  • Page 30 Section 3: Operation and Use Installation, Operation and Maintenance Manual December 2020 MAN 606 Rev. 5 To carry out the adjustment, operate the handwheel (turn clockwise the handwheel to increase the operating time or turn the handwheel counterclockwise to decrease the operation time).

  • Page 31: Section 4: Operational Tests And Inspections

    Installation, Operation and Maintenance Manual Section 4: Operational Tests and Inspections MAN 606 Rev. 5 December 2020 Section 4: Operational Tests and Inspections NOTICE To ensure the guaranteed SIL grade, according to IEC 61508, the functionality of actuator must be checked with regular intervals of time, as described in the Safety Manual. Operational Tests and Inspections...

  • Page 32: Section 5: Maintenance

    Section 5: Maintenance Installation, Operation and Maintenance Manual December 2020 MAN 606 Rev. 5 Section 5: Maintenance NOTICE Before carrying out any maintenance operation, it is necessary to close the hydraulic feed line and exhaust the pressure from the actuator cylinder and from the control unit, to ensure safety of maintenance staff.

  • Page 33: Check And Restore Oil Level In The Hydraulic Control Unit

    Installation, Operation and Maintenance Manual Section 5: Maintenance MAN 606 Rev. 5 December 2020 Figure 26 Level measuring stick Maximum level Minimum level 5.1.1 Check and Restore Oil Level in the Hydraulic Control Unit Operate the distributor lever to “closing manual operation”. Figure 27 Move the actuator into his “fail to close”...
  • Page 34 Section 5: Maintenance Installation, Operation and Maintenance Manual December 2020 MAN 606 Rev. 5 NOTICE For refill use oil of the same brand as previous, refer to related technical documentation. Table 12. Features of hydraulic oil suggested for refilling in different working conditions Standard temperature conditions (-30 °C/+85°): Producer...

  • Page 35: Extraordinary Maintenance

    Installation, Operation and Maintenance Manual Section 5: Maintenance MAN 606 Rev. 5 December 2020 Extraordinary Maintenance If there are leaks in the hydraulic cylinder, or a malfunction in the mechanical components, or in case of scheduled preventive maintenance, the actuator must be disassembled and seals must be replaced with reference to the follow general sectional drawing and adopting the following procedures.
  • Page 36 Section 5: Maintenance Installation, Operation and Maintenance Manual December 2020 MAN 606 Rev. 5 If the actuator control unit requires the cylinder chamber head flange side to be also filled with oil, and the piston rod seal ring (40) to be replaced, remove the screw (2) and the cover (1).
  • Page 37 Installation, Operation and Maintenance Manual Section 5: Maintenance MAN 606 Rev. 5 December 2020 Reassemble: Assemble the new gasket (37-39) after cleaning the surfaces of housing (8), the flange (38) and head flange (42), which are in contact. Assemble the head flange (42), replace the washers if damaged, tighten the screws (31) to the recommended torque.
  • Page 38 Section 5: Maintenance Installation, Operation and Maintenance Manual December 2020 MAN 606 Rev. 5 Figure 29 OLGA Double-Acting Hydraulic Actuator Table 13. Parts list Item Description Item Description Cover Plug Screw Guide block pin Vent valve Stopper bush Sliding block Adaptor bush Screw Screw...

  • Page 39: Lubrication Of Mechanism

    For this operation it is necessary to disassemble the mechanism cover. In larger actuators the lubrication can be performed through the inspection holes of the cover after removing the plugs. The following grease is used by BIFFI for standard working temperature and suggested for relubrication: Table 14.

  • Page 40: Dismantling And Demolition

    Section 5: Maintenance Installation, Operation and Maintenance Manual December 2020 MAN 606 Rev. 5 Dismantling and Demolition Before starting the disassembly a large area should be created around the actuator so to allow any kind of movement without problems of further risks created by worksite. WARNING Before disassembling the actuator it is necessary to close the hydraulic feed line and discharge oil pressure from the cylinder of the actuator, from the control unit and from the...

  • Page 41: Section 6: Troubleshooting

    Repair or replace Wrong position of the distributor of the Restore correct position Actuator does not work manual hydraulic group Call Biffi Italia s.r.l. Failure of the control group Customer Service Unexpected intervention of torque Call Biffi Italia s.r.l. limit-device...

  • Page 42: Section 7: Layouts

    Section 7: Layouts Spare Parts Order For spare parts order to the relevant Biffi office please make reference to Biffi order confirmation concerning all the supply, and serial number of the actuator (Section 1.2) for any specific spare part for a specific actuator model.

  • Page 43: Parts List For Maintenance And Replacing Procedure

    Installation, Operation and Maintenance Manual Section 7: Layouts MAN 606 Rev. 5 December 2020 Parts List for Maintenance and Replacing Procedure Figure 30 Scotch Yoke Mechanism Table 16. Parts List Item Description Material O-ring * NBR Yoke bushing Bronze Retainer ring Stainless steel Housing Carbon steel...
  • Page 44 Section 7: Layouts Installation, Operation and Maintenance Manual December 2020 MAN 606 Rev. 5 Figure 31 Hydraulic Cylinder Table 17. Parts List Item Description Material Piston rod bushing Steel + BZ + Teflon Head flange Carbon steel O-ring * NBR rubber Piston rod seal ring * Teflon + graphite O-ring...
  • Page 45 Installation, Operation and Maintenance Manual Section 7: Layouts MAN 606 Rev. 5 December 2020 Figure 32 Hydraulic Cylinder for MHP (Optional) Table 18. Parts List Item Description Material Piston rod bushing Steel + BZ + Teflon Head flange Carbon steel O-ring * NBR rubber Piston rod seal ring...
  • Page 46 Section 7: Layouts Installation, Operation and Maintenance Manual December 2020 MAN 606 Rev. 5 Figure 33 Assembly Kit Table 19. Parts List Item Description Material Screw Alloy Steel Carbon steel Carbon steel Screw Alloy Steel Flange Carbon steel Gasket * Fiber Stopper bush Alloy Steel Plug...
  • Page 47 Installation, Operation and Maintenance Manual Section 7: Layouts MAN 606 Rev. 5 December 2020 Figure 34 Hydraulic Control Unit MHP Layouts...
  • Page 48 Section 7: Layouts Installation, Operation and Maintenance Manual December 2020 MAN 606 Rev. 5 Table 20. Parts List Item Description Material Dipstick Cap nut Carbon steel Washer Carbon steel + rubber Hydraulic tank Carbon steel Handpump See attached table O-ring * Fluorosilicon rubber Ball Stainless steel...
  • Page 49 Installation, Operation and Maintenance Manual Section 7: Layouts MAN 606 Rev. 5 December 2020 Figure 35 Handpump Table 21. Parts List Item Description Material Ball Stainless steel Delivery valve bush Carbon steel Suction valve bush Carbon steel Spring Stainless steel Suction valve ring Carbon steel Spring retainer ring...
  • Page 50 Section 7: Layouts Installation, Operation and Maintenance Manual December 2020 MAN 606 Rev. 5 Figure 36 Jackscrew manual override MSJ ENGAGED TO OPEN DISENGAGED TO CLOSE Table 22. Parts List Item Description Material Protection pipe Carbon steel Jackscrew Carbon steel Engagement lever pin Stainless steel O-ring...

  • Page 51: Section 8: Date Report For Maintenance Operations

    Installation, Operation and Maintenance Manual Section 8: Date Report for Maintenance Operations MAN 606 Rev. 5 December 2020 Section 8: Date Report for Maintenance Operations Last maintenance operation date: (in factory, on delivery): ……… exec. by: ………… ……… exec. by: ………… ………...
  • Page 52 VCIOM-03399-EN ©2020 Biffi. All rights reserved. Biffi Italia s.r.l. Strada Biffi 165 The contents of this publication are presented for information purposes only, 29017 Fiorenzuola d’Arda (PC) and while every effort has been made to ensure their accuracy, they are not...

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