Olympus BH2 Series Desmontaje, limpieza y montaje completos - Página 2
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Introduction ............................................................................................................................................................................ 7
Scope of this Document ...................................................................................................................................................... 7
A Few Notes Before Starting ................................................................................................................................................... 7
A Caution Regarding Stiff Focus Mechanisms ................................................................................................................. 7
Left-Hand and Right-Hand Side Designations ................................................................................................................. 7
Label Parts for Identification and Reassembly ................................................................................................................ 7
Cleaning Grease from Parts ............................................................................................................................................ 7
Tools Needed .......................................................................................................................................................................... 7
Electric Heat Gun ................................................................................................................................................................ 7
A Few Words about JIS Screws ........................................................................................................................................... 7
Supplies Needed ..................................................................................................................................................................... 8
Recommended Lubricant Types .......................................................................................................................................... 8
Recommended Solvents ..................................................................................................................................................... 8
Solvent Compatibility with Painted Surfaces .................................................................................................................. 8
Solvent Compatibility with Metal Parts .......................................................................................................................... 8
Solvent Compatibility with Plastic Parts ......................................................................................................................... 8
Servicing the Coaxial Focus Assembly ..................................................................................................................................... 8
Remove the Accessories from the Stand ............................................................................................................................ 8
Protect the Exposed Mounting Dovetails ........................................................................................................................... 8
Remove the Lamphouse ..................................................................................................................................................... 9
Remove the Substage Condenser Carrier ........................................................................................................................... 9
Remove the Rear Cover ...................................................................................................................................................... 9
Remove the Focus Gearbox .............................................................................................................................................. 10
Remove the Focus Rack .................................................................................................................................................... 10
Check the Focus Block for Freedom of Motion................................................................................................................. 11
Remove the Fine-Focus Knob Caps ................................................................................................................................... 11
Remove the First Fine-Focus Knob.................................................................................................................................... 12
Remove Second Fine-Focus Knob with Shaft .................................................................................................................... 12
Remove the Fine-Focus Thrust Washers .......................................................................................................................... 13
Remove the Left-Hand Coarse-Focus Knob ...................................................................................................................... 13
Remove Stop Screw for the Pre-Focus Lock Collar ........................................................................................................... 14
Disassemble the Pre-Focus Stop Mechanism ................................................................................................................... 14
Disassemble the Fine-Focus Gear Cluster ......................................................................................................................... 16
Reassemble the Fine-Focus Gear Cluster .......................................................................................................................... 18
Withdraw the Coarse-Focus Shaft .................................................................................................................................... 19
Remove the Pinion Assembly from the Pillar Arm ............................................................................................................ 19
Clear the Adhesive from the Setscrew Heads ................................................................................................................... 19
Remove the Setscrews ...................................................................................................................................................... 20
Service the Sliding Focus Block ......................................................................................................................................... 20
Remove the Tension-Adjustment Knob ............................................................................................................................ 20
Remove the Coarse-Focus Tension Washers .................................................................................................................... 20
Disassemble the Pinion Assembly ..................................................................................................................................... 21
Clean and Reassemble the Pinion Assembly..................................................................................................................... 22
Reinstall the Tension Knob and Washers .......................................................................................................................... 23
Reinstall the Pinion Assembly into the Pillar Arm............................................................................................................. 24
Reinstall the Coarse-Focus Shaft ....................................................................................................................................... 25
Reassemble the Pre-Focus Stop Mechanism .................................................................................................................... 26
Complete Teardown, Cleaning, and Reassembly of the Olympus BH-2 Coaxial Focus Mechanism
Table of Contents
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