Olympus BH-2 BHTU Complete Teardown, Cleaning, And Reassembly - Page 2
Browse online or download pdf Complete Teardown, Cleaning, And Reassembly for Microscope Olympus BH-2 BHTU. Olympus BH-2 BHTU 23 pages. Sliding focus block
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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
Complete Teardown, Cleaning, and Reassembly of the Olympus BH-2 Sliding Focus Block
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