CompleteTeardown,Cleaning,andReassemblyoftheOlympusBH‐2SlidingFocusBlock
Revision2 Page9of23
With the electrical base removed, fragile lighting
components are exposed on the open bottom of the
basewhichmaybedamagedifthebaseisnotplacedon
a suitable clutter‐free surface.Place the base in its
normal upright position on a clean, flat surface
someplace out of harm’s
way and where dust and
debris will not accumulate on the exposed lighting
components.
DisassembletheSlidingFocusBlock
Disassemble the sliding focus block mechanismper the
followingprocedure.
RemovetheTrimCover
UseasuitableJISscrewdrivertoremovethefourM2x4
screws securing the U‐shaped trim cover onto the arm
casting(seeFigure8).
Figure8–Removescrewssecuringthetrimcover
Remove the (now loose) trim cover from the arm
casting(seeFigure9).
Figure9–Removetheloosetrimcoverfromthearm
LoosentheScrewsTensioningtheSlideMechanism
Use a 2.5mm Allen wrench or driver to loosen (but do
not remove) the three M3x12 hex, socket‐head cap
screws securing the guide block into position on the
backsideofthefocusblock(seeFigure10).
Figure10–Loosenscrewssecuringguideblockinplace
Use a 2.5mm Allen wrench or driver to loosen (but do
not remove) the two M3x16 hex, socket‐head cap
screwstensioningtheslide mechanism(seeFigure11).
Figure11–Loosenscrewstensioningslidemechanism
RemovetheFocusBlockAssemblyfromtheArm
Carefully slide the focus block (with attached guide
block)outthebottomofthearm(seeFigure12),being
carefultonotloseanyofthecylindricalrollersorspacer
rods in the process (there are eight rollers and one
spacerrodoneachsideoftheslidemechanism).
Figure12–Withdrawfocusblockassemblyfromthearm
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