CompleteTeardown,Cleaning,andReassemblyoftheOlympusBH‐2SlidingFocusBlock
Revision2 Page17of23
that the focus block slides freely, without stiffness,
binding, or lateral play throughoutthenormal range of
motion(seeFigure50).
Figure50–Adjustforfreemotionwithoutlateralplay
SecuretheGuideBlockinPosition
Usea2.5mmAllenwrenchordrivertotightenthethree
M3x12hex,socket‐headcapscrewstosecuretheguide
blockinpositiononthefocusblock(seeFigure51).
Figure51–Securetheguideblockinposition
TesttheFocusBlockforFreedomofMotion
Test the freedom of motion of the sliding focus block,
making sure that there is no significant stiffness,
binding, or lateralplayat anypoint throughout the full
range of motion of the focus block (see Figure 52).If
necessary, loosen the three M3x12 hex, socket‐head
capscrewssecuring
theguideblockto thefocus block,
and the two M3x16 hex, socket‐head cap screws that
tension the guide block, and readjust per the above
procedureuntiltheresultingmotionoftheslidingfocus
blockissmooth,unrestricted,andwithoutlateralplay.
Figure52–Testtheslidingfocusblockforpropermotion
ReinstalltheTrimCover
Carefullyposi tiontheU‐shapedtrimcoverintoposition
on the arm casting, aligning the four holes in the trim
cover with the four tapped holes in the casting (see
Figure 53).Be careful to avoid bending, denting, or
scratchingthisfragilecover.
Figure53–Repositiontrimcoverontothearmcasting
Useasuitable JIS screwdriverto reinstallfour M2x4JIS
screws to secure the trim cover onto the arm casting
(seeFigure54).
Figure54–Reinstallscrewstosecurethetrimcover
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