Complete Teardown, Cleaning/Lubrication, and Reassembly of the Olympus BH2-CH Substage Assembly
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Table of Contents
Introduction _____________________________________________________________________________ 6
Scope of this Document ____________________________________________________________________ 6
Tools Needed ____________________________________________________________________________ 6
A Few Words about JIS Screws _____________________________________________________________________ 6
Supplies Needed __________________________________________________________________________ 6
Common Problems with the BH2-CH Substage __________________________________________________ 7
Teardown/Reassembly of BH2-CH Substage ____________________________________________________ 7
Remove the Condenser-Slide Assembly ______________________________________________________________ 7
Remove the Locking and Centering Thumbscrews ______________________________________________________ 8
Remove the Slip Plates ____________________________________________________________________________ 8
Remove the Centering Yoke from the Support Yoke _____________________________________________________ 9
Remove the Condenser-Height Rack _________________________________________________________________ 9
Disassemble the Condenser-Height Stop _____________________________________________________________ 10
Reassemble the Condenser-Height Stop _____________________________________________________________ 11
Disassemble the Centering Plunger _________________________________________________________________ 12
Reassemble the Centering Plunger _________________________________________________________________ 13
Reinstall the Condenser-Height Rack ________________________________________________________________ 14
Reinstall the Centering Yoke into the Support Yoke ____________________________________________________ 14
Reinstall the Slip Plates __________________________________________________________________________ 15
Reinstall the Locking and Centering Thumbscrews _____________________________________________________ 16
Disassemble the Friction Lock _____________________________________________________________________ 16
Reassemble the Friction Lock______________________________________________________________________ 16
Remove the Dovetail Blocks ______________________________________________________________________ 17
Remove the Condenser-Height Knob _______________________________________________________________ 18
Remove the Condenser-Height Shaft _______________________________________________________________ 18
Reinstall the Condenser-Height Shaft _______________________________________________________________ 20
Reinstall the Condenser-Height Knob _______________________________________________________________ 22
Adjust the Tension of the Condenser-Height Shaft _____________________________________________________ 23
Reinstall the Dovetail Blocks ______________________________________________________________________ 23
Reinstall the Condenser-Slide Assembly _____________________________________________________________ 24
Adjust the Condenser-Height Stop ___________________________________________________________ 25
Ready for Service ________________________________________________________________________ 25
Original Olympus Documentation ___________________________________________________________ 25
How to Contact the Author _________________________________________________________________ 25
Appendix 1 _____________________________________________________________________________ 26