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Olympus BH-2 Series - Apply Grease to the Guide Rails (Optional); Place the Guide Block into Position on the Focus Block; Place Cylindrical Rollers Onto Lower Guide Rails of Arm; Figure 36 - Guide Rails Installed into the Guide Block

Olympus BH-2 Series
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CompleteTeardown,Cleaning,andReassemblyoftheOlympusBH‐2SlidingFocusBlock
Revision2 Page14of23
Figure36–Guiderailsinstalledintotheguideblock
ApplyGreasetotheGuideRails(Optional)
IFGREASEISTOBEUSEDINTHESLIDINGFOCUSBLOCK(RECOMMENDED)
Lightlycoattheexposedsurfacesofthefourlongguide
rails in the arm, the two short guide rails in the guide
block, and the two short guide rails in the focus block
withsuitablegrease(item5or7ofAppendix2).
PlacetheGuideBlockintoPositionon
theFocusBlock
Reinstallthetwobrassshimsontothefocusblock,using
a small dab of heavy grease (item 6 of Appendix 2) at
each end of the shims to hold them in position during
thesubsequentreassemblysteps(seeFigure37).
Figure37–Reinstallthebrassshimsontothefocusblock
After placing the two brass shims into position on the
backof the focusblock, wipeawayanyexposedgrease
withacleandrytissue(seeFigure38).
Figure38–Cleanexposedgreasefromthefocusblock
Place the guide block, with two short guide rails
installedintoitssidegroove,intopositionontop ofthe
two brass shims sitting on the focus block (see Figure
39).Notetheproperorientationofthebevelededgeof
theguideblock(seeFigure40).
Figure39–Reinstallguideblockontothefocusblock
Place two M3X16hex, socket‐head cap screws through
the holes in the focus block, and use a 2.5mm Allen
wrench or driver to loosely engage the threads of the
screwswiththetwowedgenuts(seeFigure40).
Figure40–Looselyengagescrewswiththewedgenuts
PlaceCylindricalRollersontoLowerGuideRailsofArm
IFGREASEISTOBEUSEDINTHESLIDINGFOCUSBLOCK(RECOMMENDED):
Lightlycoateightofthecylindricalrollersandoneofthe
plastic spacer rods with suitable grease (item 5 or 7 of
Appendix 2).Place these eight greased cylindrical
rollers and the greased plastic spacer rod onto the
greased guide rails in the bottom channel of the arm
casting (see
Figure 41, shown without grease for
clarity).Notethealternatingorientationoftherollers.
IFGREASEISNOTTOBEUSEDINTHESLIDINGFOCUSBLOCK:
Place eight of the cylindrical rollers and the one of the
plastic spacer rods onto the guide rails in the bottom
channel of the arm casting (see Figure 41).Note the
alternatingorientationoftherollers.

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