GBS Gearbox Services international brand of Schaaf- en Boorwerk Rotterdam B.V.
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GBS Gearbox Services international

Our activities in the Dredging Industry

Presentation of our Dredging projects

Overview of our projects in the Dredging Industry:

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Our client had a problem with the gearbox RENK SHSI 3S 1000.
We performed:
- Disassembling and inspection.
- We assembled the complete gearbox again and performed a test run.
RENK SHSI-3S-1000
Inspection and revision on Renk SHSI-3S-1000
Inspection and revision on Renk SHSI-3S-1000
The Netherlands
The Netherlands
December 2013
  • The conversion operations consists of:
  • - Disassembling, cleaning and inspection of the gearbox.
    - Performing of the repair constructions.
    - Deploying of the inspection report.
    HANSEN RLC-23-S
    Revision on gearbox Hansen RLC-23-S
    Revision on gearbox Hansen RLC-23-S
    Norway
    Norway
    December 2013
  • The conversion operations consists of:
  • - Disassembling and cleaning of the gearbox.
    - Performing of the repair constructions.
    - Renewing of the seals and bearings.
    HANSEN PDC23S-BNN-14,5
    Inspection and revision on Hansen PDC23S-BNN-14,5
    Inspection and revision on Hansen PDC23S-BNN-14,5
    The Netherlands
    The Netherlands
    December 2013
  • The conversion operations consists of:
  • - Disassembling, cleaning and inspection of the gearbox.
    - Performing of the repair constructions.
    - Deploying of the inspection report.
    HANSEN RLD-33-S-BRH-20
    Disassembling and visual; inspection on Hansen RLD-33-S-BRH-20
    Disassembling and visual; inspection on Hansen RLD-33-S-BRH-20
    The Netherlands
    The Netherlands
    December 2013
    Revisionconstruction and supply comprehensive:
    - Disassembling and cleaning of the gearbox.
    - Inspection of all parts of the gearbox:

  • Gearbox casing:
  • - A visual inspection of the gearbox casing for bursts.
    CONRAD STORK 2-RT-800S/3
    Inspection and revision on Conrad-Stork 2-RT-800S/3
    Inspection and revision on Conrad-Stork 2-RT-800S/3
    The Netherlands
    The Netherlands
    November 2013
    Revisionconstruction and supply comprehensive:
    - Disassembling and cleaning of the gearbox.
    - Inspection of all parts of the gearbox:

  • Gearbox casing:
  • - A visual inspection of the gearbox casing for bursts.
    CONRAD STORK Ra-450-3S
    Inspection and revision on Conrad Stork Ra-450-3S
    Inspection and revision on Conrad Stork Ra-450-3S
    The Netherlands
    The Netherlands
    November 2013
    The follow instructions were produced at the gearbox:
  • Disassemling and cleaning of the gearbox.
  • Inspection of the parts consisting of the following instruction:.

  • Gearbox casing (on board):
  • - A visual controlling of the gearbox for bursts, where possible.
    - A visual controlling of the inside and the outside of the preservation.
    CONRAD STORK RB-450H/3
    Inspection and revision on Conrad Stork RB-450H/3
    Inspection and revision on Conrad Stork RB-450H/3
    The Netherlands
    The Netherlands
    October 2013
  • The conversion operations consists of:
  • - Disassembling of the gearbox.
    - Performing of the repair constructions.
    - Controlling of cone with propellor.
    LIPS FT09-HB
    Inspection and revision of bow thruster on a Lips gearbox
    Inspection and revision of bow thruster on a Lips gearbox
    The Netherlands
    The Netherlands
    October 2013
  • The conversion operations consists of:
  • - Inspection of two gearboxes on board.
    - Controlling and recording of the alignment of the input and output shaft.
    - A visual inspection and friction of the inside gearbox.
    CONRAD STORK RB-450H/3
    Visual inspection of 2 Conrad Stork gearboxes
    Visual inspection of 2 Conrad Stork gearboxes
    The Netherlands
    The Netherlands
    September 2013
  • The conversion operations consists of:
  • - Inspection of two gearboxes on board.
    - Controlling and recording of the alignment of the input and output shaft.
    - A visual inspection and friction of the inside gearbox.
    CONRAD STORK 3R-320/Spec
    Visual inspection on gearbox Conrad Stork 3R-320/Spec
    Visual inspection on gearbox Conrad Stork 3R-320/Spec
    The Netherlands
    The Netherlands
    September 2013
    Our client had a problem with the gearbox JAHNEL & KESTERMANN ASU 560.
    We performed:
    - Disassembling, inspection and cleaning.
    - We assembled the complete gearbox again and performed a rest run with a test run report for our client.
    JAHNEL KESTERMANN ASU 560
    Inspection and revision on a Jahnel & Kestermann gearbox
    Inspection and revision on a Jahnel & Kestermann gearbox
    The Netherlands
    The Netherlands
    July 2013
  • The conversion operations consists of:
  • - A visual inspection of the gearbox with the aid of a videoscope.
    - Deploying of the inspection report.
    - Stop point.
    MASSON MMW-5200
    Visual inspection on Masson MMW-5200
    Visual inspection on Masson MMW-5200
    The Netherlands
    The Netherlands
    June 2013
  • Disassembly of the gearbox
  • Disassembling of the gearbox took 1 day without facing major issues.

  • Transporting of parts to our workshop
  • The pinion as well as the bull gear were transported to the workshop of the shipyard.
    Hoisting points needed to be welded on the ceiling of the pump motor room.
    FLENDER 401-912-830-022-2
    Engineering of constructions of gearbox Flender on Hopper-Dredger
    Engineering of constructions of gearbox Flender on Hopper-Dredger
    Singapore
    Singapore
    May 2013
  • The conversion operations consists of:
  • - A visual inspection of the gearbox.
    - Performing of the repair constructions.
    - Deploying of the inspection report.
    BRUSSELLE M.90-1-0
    Visual inspection on BRUSSELLE M.90-1-0
    Visual inspection on BRUSSELLE M.90-1-0
    Lithuania
    Lithuania
    April 2013
    We repaired all seals and bearings and the slow axis of gearbox Lohmann & Stolterfoht GJZ 1323.

    The follow instructions were produced at the gearbox:
    - Wearing part ring was renewed.
    - The toothing of the pinion had sharp borders. These were manual purified.
    - The slow axis is renewed.
    LOHMANN & STOLTERFOHT GJZ-1323
    Inspection and revision on a Lohmann & Stolterfoht gearbox
    Inspection and revision on a Lohmann & Stolterfoht gearbox
    Belgium
    Belgium
    March 2013
  • The conversion operations consists of:
  • - Performing of an alignment check on the dredge pump gearbox on location.
      For the alignment check, a laser shaft alignment system was used.
      With this system, the alignment of equipment can be measured accurately.
    - Deploying of the inspection report.
    RENK NHIU
    Controle alignment of a Jet pomp
    Controle alignment of a Jet pomp
    Belgium
    Belgium
    February 2013
  • The conversion operations consists of:
  • - Performing of an alignment check on the dredge pump gearbox on location.
      For the alignment check, a laser shaft alignment system was used.
      With this system, the alignment of equipment can be measured accurately.
    - Deploying of the inspection report.
    JAHNEL KESTERMANN DP-A1S940-3S-00
    Alignment and control of clutch
    Alignment and control of clutch
    Nigeria
    Nigeria
    January 2013
    We performed an inspection in gearbox Jahnel Kestermann.
    The teeths were slightly damage so we regrind them.
    We did repair the bearings and seals.
    JAHNEL KESTERMANN E420 / 800
    Inspection and revision on Cutter gearbox Jahnel Kestermann  E420 / 800
    Inspection and revision on Cutter gearbox Jahnel Kestermann  E420 / 800
    The Netherlands
    The Netherlands
    December 2012
    - Inspection on gearbox Kuypers 6021-7.
    - Installation of this gearbox.
    - Test run to check if everything was alright.
    KUYPERS 6021-7
    Assembling and test run of gearbox Kuypers 6021-7
    Assembling and test run of gearbox Kuypers 6021-7
    The Netherlands
    The Netherlands
    November 2012
    Disassembling and cleaning of the gearbox.
    After that, we inspected the bearings and seals.
    We made a complete inspection report for our client.
    Performed a revision according to revision proposal.
    Assembling the gearbox and performing a test run.
    JAHNEL KESTERMANN AU 67
    Revision and inspection on gearbox Jahnel Kestermann AU 67
    Revision and inspection on gearbox Jahnel Kestermann AU 67
    The Netherlands
    The Netherlands
    September 2012
    Our engineer went to Nigeria for inspection of the gearbox.
    We found that the friction plates had te be renewed.
    Our findings were reported to our client and we renewed plates.
    FLENDER SV-355-C
    Renewing of the friction plates on gearbox type SV-355-C in Nigeria
    Renewing of the friction plates on gearbox type SV-355-C in Nigeria
    Nigeria
    Nigeria
    August 2012
    Our client had a problem with gearbox FLENDER GCK 725.
    We performed:
    - Disassembling, cleaning and inspection.
    - Making a complete inspection report for our client.
    FLENDER GCK 725
    Inspection and revision on gearbox Flender GCK 725 in Abu Dhabi
    Inspection and revision on gearbox Flender GCK 725 in Abu Dhabi
    UAE
    UAE
    July 2012
    We first inspected all bearings and bores. We renewed the shafts.
    We assembled the complete gearbox again and performed a
    test run with a test run report for our client.
    RENK HSN-710
    Inspection and revision on gearbox Renk HSN 710
    Inspection and revision on gearbox Renk HSN 710
    The Netherlands
    The Netherlands
    June 2012
    Performing:
    - Overhaul on gearbox Kuypers 6021-7.
    - Inspection and reporting.
    - Assembling and performing a test run.
    - Disassembling the complete gearbox onsite.
    KUYPERS 6021-7
    Inspection and revision on gearbox Kuypers 6021-7
    Inspection and revision on gearbox Kuypers 6021-7
    The Netherlands
    The Netherlands
    June 2012
    We disassembled and cleaned the gearbox.
    We inspected all the parts and reported our findings to our client.
    After that, we assembled gearbox Renk HSN-710 again.
    RENK HSN-710
    Inspection and revision on gearbox Renk HSN-710 in Curacao
    Inspection and revision on gearbox Renk HSN-710 in Curacao
    Curacao
    Curacao
    December 2011

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