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Complete Teardown, Cleaning, and
Reassembly of the Olympus BH-NRE
All rights reserved. This document may not be reproduced or distributed, in whole or in part, for any commercial
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informational purposes only, with no expressed or implied warranties whatsoever, including, but not limited to,
function, suitability, safety, accuracy, or completeness of information.
Revision
1
*** Initial release ***
2
Common format, minor changes, update greases, added Appendix 1
3
Clarified usage on BH-2.
Complete Teardown, Cleaning, and Reassembly of the Olympus BH-NRE Modular Revolving Nosepiece
Modular Revolving Nosepiece
Copyright © 2018 - 2021 Carl Hunsinger
Description of Changes
Revision 3
The content of this document is provided for
Revision History
Date
December 15, 2018
May 20, 2021
August 16, 2021
Page 1 of 17
Revision 3
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Summary of Contents for Olympus BH-NRE
- Page 1 December 15, 2018 Common format, minor changes, update greases, added Appendix 1 May 20, 2021 Clarified usage on BH-2. August 16, 2021 Complete Teardown, Cleaning, and Reassembly of the Olympus BH-NRE Modular Revolving Nosepiece Page 1 of 17 Revision 3...
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Page 2: Table Of Contents
Inspecting the Revolving Turret for Wear of the Mechanical Detents ................16 Appendix 2 .................................... 17 Sources for Replacement Parts, Tools, and Supplies Referenced in this Document ............17 Complete Teardown, Cleaning, and Reassembly of the Olympus BH-NRE Modular Revolving Nosepiece Page 2 of 17 Revision 3... - Page 3 Figure 40 – Place cover in position on the turret assembly ....................13 Figure 41 – Secure protective cover using three screws ...................... 13 Figure 42 – BH-NRE ready to be put back into service ......................14 Figure 43 - Revolving turret with severely worn mechanical detents .................. 16 Figure 44 –...
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Page 4: Introduction
(i.e., modular) and serviceable for many years to come. assemblies that were considered unserviceable by Olympus. Complete Teardown, Cleaning, and Reassembly of the Olympus BH-NRE Modular Revolving Nosepiece Page 4 of 17 Revision 3... -
Page 5: Recommended Solvents
Use a suitable JIS screwdriver to remove the three facilitate their proper identification during M2X3 countersink screws securing the protective cover subsequent reassembly process. Complete Teardown, Cleaning, and Reassembly of the Olympus BH-NRE Modular Revolving Nosepiece Page 5 of 17 Revision 3... -
Page 6: Remove The Dovetail Slide
(acetone) Figure 6 – The turret assembly (without cover) to the threads as the screw is loosened. Complete Teardown, Cleaning, and Reassembly of the Olympus BH-NRE Modular Revolving Nosepiece Page 6 of 17 Revision 3... -
Page 7: Remove Lock Ring For The Pivot-Adjustment Screw
Don’t even think about using a pair of needle-nose pliers to loosen the slotted lock ring. It will end badly if you do this. Don’t ask me how I know this. Complete Teardown, Cleaning, and Reassembly of the Olympus BH-NRE Modular Revolving Nosepiece Page 7 of 17 Revision 3... -
Page 8: Remove The Pivot-Adjustment Screw
Figure 15 – Remove the pivot-adjustment screw Complete Teardown, Cleaning, and Reassembly of the Olympus BH-NRE Modular Revolving Nosepiece Page 8 of 17 Revision 3... -
Page 9: Remove The Perimeter Bearing Balls
(see Figure 23). Figure 20 – Remove the perimeter bearing balls Complete Teardown, Cleaning, and Reassembly of the Olympus BH-NRE Modular Revolving Nosepiece Page 9 of 17 Revision 3... -
Page 10: Reinstall Stationary Base Into Revolving Turret
Figure 25 – Place the bearing balls into the ring of grease retaining ring clockwise. Complete Teardown, Cleaning, and Reassembly of the Olympus BH-NRE Modular Revolving Nosepiece Page 10 of 17 Revision 3... -
Page 11: Apply Grease To The Center-Pivot Bore
(see Figure 33). Figure 30 – Place bearing ball into the center-pivot bore Complete Teardown, Cleaning, and Reassembly of the Olympus BH-NRE Modular Revolving Nosepiece Page 11 of 17 Revision 3... -
Page 12: Verify The Feel Of The Revolving Nosepiece
Be careful while the turret assembly, lining up the four holes in the removing the excess grease to prevent any of the Complete Teardown, Cleaning, and Reassembly of the Olympus BH-NRE Modular Revolving Nosepiece Page 12 of 17 Revision 3... -
Page 13: Apply Grease To The Mechanical Detents
(see Figure 39). Be careful that you do not get grease Figure 41 – Secure protective cover using three screws anywhere else. Complete Teardown, Cleaning, and Reassembly of the Olympus BH-NRE Modular Revolving Nosepiece Page 13 of 17 Revision 3... -
Page 14: Ready For Service
Field experience has shown that even heavily used scopes (such as those used in hospitals and clinical lab settings), when lubricated on a six-month interval, can be expected to provide many years of trouble-free service. Complete Teardown, Cleaning, and Reassembly of the Olympus BH-NRE Modular Revolving Nosepiece Page 14 of 17 Revision 3... -
Page 15: Acknowledgements
(or Olympus BH-2 microscopes in general) to the author at the email address listed on the cover of this document. Complete Teardown, Cleaning, and Reassembly of the Olympus BH-NRE Modular Revolving Nosepiece Page 15 of 17 Revision 3... -
Page 16: Inspecting The Revolving Turret For Wear Of The Mechanical Detents
Figure 43 – Revolving turret with severely worn mechanical detents Figure 44 – Close-up view of a worn mechanical detent notch Complete Teardown, Cleaning, and Reassembly of the Olympus BH-NRE Modular Revolving Nosepiece Page 16 of 17 Revision 3... -
Page 17: Sources For Replacement Parts, Tools, And Supplies Referenced In This Document
Table 2, and Table Vendor Local Phone Toll Free email Amazon www.amazon.com Harbor Freight Tools www.harborfreight.com 1-800-423-2567 Table 4 – Vendor Listing Complete Teardown, Cleaning, and Reassembly of the Olympus BH-NRE Modular Revolving Nosepiece Page 17 of 17 Revision 3...
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