Olympus BH-2 BHS, Полная разборка, очистка и сборка

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Complete Teardown, Cleaning, and Reassembly of the Olympus BH ‐ 2 Sliding Focus Block Revision 2 Page 2 of 23
Table of Contents
Introduction ............................................................................................................................................................................ 6
Scope of this Document .......................................................................................................................................................... 6
A Caution Regarding Stiff Focus Mechanisms ......................................................................................................................... 6
Tools Needed .......................................................................................................................................................................... 6
A Few Words about JIS Screws ............................................................................................................................................... 6
Supplies Needed ..................................................................................................................................................................... 6
Recommended Solvents ......................................................................................................................................................... 6
Safety Considerations with Solvents ....................................................................................................................................... 6
Solvent Compatibility with Parts and Finishes ........................................................................................................................ 7
Recommended Lubricants ...................................................................................................................................................... 7
Label Parts for Identification and Reassembly ........................................................................................................................ 7
Part of a Comprehensive Focus Overhaul ............................................................................................................................... 7
Protect the Exposed Mounting Dovetails ............................................................................................................................... 7
Separate the Arm from the Base ............................................................................................................................................ 8
Remove the Lamphouse ..................................................................................................................................................... 8
Remove the Electrical Base ................................................................................................................................................. 8
Remove the Arm from the Base .......................................................................................................................................... 8
Disassemble the Sliding Focus Block ....................................................................................................................................... 9
Remove the Trim Cover ...................................................................................................................................................... 9
Loosen the Screws Tensioning the Slide Mechanism ......................................................................................................... 9
Remove the Focus Block Assembly from the Arm .............................................................................................................. 9
Clean the Various Slide Components .................................................................................................................................... 10
Remove the Guide Rails from the Arm Casting ................................................................................................................ 10
Remove and Reinstall the Bottom Dust Cover .................................................................................................................. 11
Remove the Guide Rails from the Focus Block ................................................................................................................. 11
Remove the Guide Rails from the Guide Block ................................................................................................................. 12
Clean the Cylindrical Rollers .............................................................................................................................................. 12
Reassemble the Sliding Focus Block ...................................................................................................................................... 12
Reinstall the Guide Rails into the Arm Casting ................................................................................................................. 12
Reinstall the Guide Rails into the Focus Block .................................................................................................................. 13
Reinstall the Guide Rails into the Guide Block .................................................................................................................. 13
Apply Grease to the Guide Rails (Optional) ...................................................................................................................... 14
Place the Guide Block into Position on the Focus Block ................................................................................................... 14
Place Cylindrical Rollers onto Lower Guide Rails of Arm .................................................................................................. 14
Place Focus Block Assembly onto Cylindrical Rollers ........................................................................................................ 15
Place Cylindrical Rollers onto the Upper Guide Rails ........................................................................................................ 15
Mount the Guide Block into Position ................................................................................................................................ 16
Adjust for No Lateral Play in the Sliding Focus Block ........................................................................................................ 16
Secure the Guide Block in Position ................................................................................................................................... 17