Table of Contents
Advertisement
Quick Links
Complete Teardown, Cleaning, and
Reassembly of the Olympus BH2-BI30
All rights reserved. This document may not be reproduced or distributed, in whole or in part, for any commercial
purpose without the express written consent of the author (carlh6902@gmail.com). Permission is hereby granted to
distribute this PDF document in its entirety for personal, non-commercial purposes only, provided that the contents are
not modified in any way, including the copyright notices contained herein. This document may be freely distributed on
WWW, FTP, or BBS sites in accordance with these restrictions. The content of this document is provided for
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
Complete Teardown, Cleaning, and Reassembly of the Olympus BH2-BI30 Binocular Viewing Head
Binocular Viewing Head
Copyright © 2017 Carl Hunsinger
Description of Changes
*** Initial Release ***
(Revision 1)
Revision History
Date
9-19-2017
(
Rev. 1)
Page 1 of 34
Advertisement
Table of Contents
Summary of Contents for Olympus BH2-BI30
- Page 1 Revision History Revision Description of Changes Date *** Initial Release *** 9-19-2017 Complete Teardown, Cleaning, and Reassembly of the Olympus BH2-BI30 Binocular Viewing Head Rev. 1) Page 1 of 34...
-
Page 2: Table Of Contents
Reinstall the Helical Focus Ring (Left) – Less Accurate ..................... 32 Reinstall the Black Trim Ring for Ocular Tube (Right) ....................... 32 Ready for Service .................................. 33 Complete Teardown, Cleaning, and Reassembly of the Olympus BH2-BI30 Binocular Viewing Head Rev. 1) Page 2 of 34... - Page 3 Figure 40 – Thread the helical tube into the inner tube (left) ....................16 Figure 41 – Remove grease from the ocular tube (left) ......................16 Complete Teardown, Cleaning, and Reassembly of the Olympus BH2-BI30 Binocular Viewing Head Rev. 1)
- Page 4 Figure 87 – Apply grease to upper sliding surfaces of frame ....................24 Figure 88 – Apply grease to pivot-lever bearing surface of frame ..................24 Complete Teardown, Cleaning, and Reassembly of the Olympus BH2-BI30 Binocular Viewing Head Rev. 1)
- Page 5 Figure 134 – Adjust helical focus tube for equal tube lengths ..................... 32 Figure 135 – Apply spots of adhesive to ocular tube (right) ....................32 Complete Teardown, Cleaning, and Reassembly of the Olympus BH2-BI30 Binocular Viewing Head Rev. 1)
- Page 6 Figure 137 – Press trim ring into adhesive to seat it (right) ....................33 Figure 138 – The Olympus BH2-BI30 repair manual ......................33 Figure 139 – The Olympus BH2 (BHS) repair manual ......................33 Complete Teardown, Cleaning, and Reassembly of the Olympus BH2-BI30 Binocular Viewing Head Rev. 1) Page 6 of 34...
-
Page 7: Introduction
Figure 1 – The Jentsch style BH2-BI30 viewing head procedures in this document pertaining to the cleaning Complete Teardown, Cleaning, and Reassembly of the Olympus BH2-BI30 Binocular Viewing Head Rev. 1) Page 7 of 34... -
Page 8: Optical Alignment Is Poor
You may get lucky and not have to move the interocular slides, if the head is ignore this warning. seized at a wide enough setting that the four screws can be removed. Complete Teardown, Cleaning, and Reassembly of the Olympus BH2-BI30 Binocular Viewing Head Rev. 1) Page 8 of 34... -
Page 9: Supplies Needed
Attempt this ONLY if the ocular tubes are not already at their minimum viewing head per the following procedure. spacing, otherwise damage to the binocular viewing head may result. Complete Teardown, Cleaning, and Reassembly of the Olympus BH2-BI30 Binocular Viewing Head Rev. 1) Page 9 of 34... -
Page 10: Remove The Helical Focus Ring (Left)
Figure Figure 5 – Screws securing finger grip to the slide (left) Figure 8 – Remove finger grip from ocular tube (left) Complete Teardown, Cleaning, and Reassembly of the Olympus BH2-BI30 Binocular Viewing Head Rev. 1) Page 10 of 34... -
Page 11: Remove The Plastic Finger Grip (Right)
Remove the (now loose) graduated center cover from the front frame (see Figure 15). Figure 11 – Remove front screw from finger grip (right) Complete Teardown, Cleaning, and Reassembly of the Olympus BH2-BI30 Binocular Viewing Head Rev. 1) Page 11 of 34... -
Page 12: Remove The Frame Assembly From The Main Housing
Carefully remove the B2-BI frame assembly from the B2-BIC main housing assembly (see Figure 18), being Figure 20 – Remove screws securing mounting disk assembly Complete Teardown, Cleaning, and Reassembly of the Olympus BH2-BI30 Binocular Viewing Head Rev. 1) Page 12 of 34... -
Page 13: Reinstall Mounting Disk Assembly Onto Main Housing
M3x8 JIS Figure 26 – Relieve the pre-load on the straight spring Complete Teardown, Cleaning, and Reassembly of the Olympus BH2-BI30 Binocular Viewing Head Rev. 1) Page 13 of 34... -
Page 14: Remove The Follower Keys
Figure 29 – Remove the screw securing the bent spring the left-hand ocular tube (see Figure 33). Complete Teardown, Cleaning, and Reassembly of the Olympus BH2-BI30 Binocular Viewing Head Rev. 1) Page 14 of 34... -
Page 15: Figure 33 - Remove Helical/Polished Inner Tubes (Left)
(see Figure 36). Figure 38 – Apply fresh grease to the outer helicoid threads Complete Teardown, Cleaning, and Reassembly of the Olympus BH2-BI30 Binocular Viewing Head Rev. 1) Page 15 of 34... -
Page 16: Figure 39 - Apply Fresh Grease To Inner Helicoid Threads (Left)
Figure 44 – Remove the fixed sleeve/inner tubes (right) into engagement. Keep trying and do not force it. This may take a while. Complete Teardown, Cleaning, and Reassembly of the Olympus BH2-BI30 Binocular Viewing Head Rev. 1) Page 16 of 34... -
Page 17: Remove The Ocular Slide Assembly (Left)
Figure 50 – Remove the ocular slide assembly (left) Figure 47 – Reinstall the fixed sleeve / inner tube (right) Complete Teardown, Cleaning, and Reassembly of the Olympus BH2-BI30 Binocular Viewing Head Rev. 1) Page 17 of 34... -
Page 18: Remove The Ocular Slide Assembly (Right)
Lift the right-hand ocular slide assembly to disengage its lower bevel from the bottom dovetail in the front Figure 56 – Remove screw holding brass pivot lever in place Complete Teardown, Cleaning, and Reassembly of the Olympus BH2-BI30 Binocular Viewing Head Rev. 1) Page 18 of 34... -
Page 19: Clean The Various Mechanical Parts
(see Figure 60). Figure 62 – Clean old grease from bevels of slide (right) Complete Teardown, Cleaning, and Reassembly of the Olympus BH2-BI30 Binocular Viewing Head Rev. 1) Page 19 of 34... -
Page 20: Remove The P3/P4 Prism Mount
Use a suitable solvent (e.g., acetone) to remove the old Figure 68 – Remove P3/P4 prism mount with prisms grease from the two dovetail blocks (see Figure 66). Complete Teardown, Cleaning, and Reassembly of the Olympus BH2-BI30 Binocular Viewing Head Rev. 1) Page 20 of 34... -
Page 21: Reinstall The P3/P4 Prism Mount
Then use a pre-moistened optical lens-cleaning wipe Figure 71 – Reinstall screws to secure P3/P4 prism mount Complete Teardown, Cleaning, and Reassembly of the Olympus BH2-BI30 Binocular Viewing Head Rev. 1) Page 21 of 34... -
Page 22: Figure 74 - Clean Three Faces Of P3/P4 Prisms (View 1)
P5 prism. Then use a pre- Figure 79 – Lightly grease polished inner tube (right) Complete Teardown, Cleaning, and Reassembly of the Olympus BH2-BI30 Binocular Viewing Head Rev. 1) Page 22 of 34... -
Page 23: Lubricate The Various Slide Parts
1) to the two dovetail bevels in the bottom channel of the front frame (see Figure 86). Figure 82 – Clean face 1 of the P6 prism (left) Complete Teardown, Cleaning, and Reassembly of the Olympus BH2-BI30 Binocular Viewing Head Rev. 1) Page 23 of 34... -
Page 24: Figure 86 - Apply Grease To Lower Dovetail Bevels Of Frame
Apply a light coating of a suitable grease (item 5 of in the brass pivot lever (see Figure 89). Appendix 1) to the rear bearing surfaces of the right- Complete Teardown, Cleaning, and Reassembly of the Olympus BH2-BI30 Binocular Viewing Head Rev. 1) Page 24 of 34... -
Page 25: Reinstall The Ocular Slide Assembly (Left)
M2.6x5 JIS screws to secure the left-hand dovetail block Figure 94 – Seat lower bevel into the bottom dovetail (left) to the front frame (see Figure 98). Complete Teardown, Cleaning, and Reassembly of the Olympus BH2-BI30 Binocular Viewing Head Rev. 1) Page 25 of 34... -
Page 26: Reinstall The Ocular Slide Assembly (Right)
Figure 103 – Reinstall screws to secure dovetail block (right) Verify that the interocular-distance slides move freely. Figure 100 – Index pin engaged with brass pivot lever (right) Complete Teardown, Cleaning, and Reassembly of the Olympus BH2-BI30 Binocular Viewing Head Rev. 1) Page 26 of 34... -
Page 27: Grease The Follower-Key Slots In The Front Frame
Figure 106 Figure 109 – Hook straight spring over follower key (right) Figure 106 – Reinstall the follower key into the slot (left) Complete Teardown, Cleaning, and Reassembly of the Olympus BH2-BI30 Binocular Viewing Head Rev. 1) Page 27 of 34... -
Page 28: Figure 110 - Align Coil Of Straight Spring With Hole (Right)
Figure 112 Figure 115 – Pre-load the two tension springs Figure 112 – Hook bent spring over follower key (left) Complete Teardown, Cleaning, and Reassembly of the Olympus BH2-BI30 Binocular Viewing Head Rev. 1) Page 28 of 34... -
Page 29: Reinstall The Frame Assembly Into The Main Housing
Figure 118). Figure 118 – Secure frame assembly into the main housing Figure 121 – Secure the plate with two screws (top) Complete Teardown, Cleaning, and Reassembly of the Olympus BH2-BI30 Binocular Viewing Head Rev. 1) Page 29 of 34... -
Page 30: Reinstall The Plastic Finger Grips
Figure 127 Figure 127 – Place the finger grip into position (right) Figure 124 – Place the finger grip into position (left) Complete Teardown, Cleaning, and Reassembly of the Olympus BH2-BI30 Binocular Viewing Head Rev. 1) Page 30 of 34... -
Page 31: Reinstall The Helical Focus Ring (Left) - Most Accurate
(see in the process (see Figure 132). Figure 131). Complete Teardown, Cleaning, and Reassembly of the Olympus BH2-BI30 Binocular Viewing Head Rev. 1) Page 31 of 34... -
Page 32: Reinstall The Helical Focus Ring (Left) - Less Accurate
Figure 137). Carefully wipe away any as does the black fixed sleeve in the right-hand ocular adhesive squeeze-out. tube (see Figure 134 Complete Teardown, Cleaning, and Reassembly of the Olympus BH2-BI30 Binocular Viewing Head Rev. 1) Page 32 of 34... -
Page 33: Ready For Service
(or BH-2 microscopes in general) to the author, at the following email address: carlh6902@gmail.com Figure 138 – The Olympus BH2-BI30 repair manual Complete Teardown, Cleaning, and Reassembly of the Olympus BH2-BI30 Binocular Viewing Head Rev. 1) Page 33 of 34... -
Page 34: Sources For Replacement Tools And Supplies Referenced In This Document
44 Medium). Be sure to get Molykote 44 Light, as the ® ® ® ® Molykote 44 Medium is too heavy for this application. ® Complete Teardown, Cleaning, and Reassembly of the Olympus BH2-BI30 Binocular Viewing Head Rev. 1) Page 34 of 34...