Olympus BH-2 BHTU Desmontagem, limpeza e remontagem completas - Página 17
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that the focus block slides freely, without stiffness,
binding, or lateral play throughout the normal range of
motion (see Figure 50).
Figure 50 – Adjust for free motion without lateral play
Secure the Guide Block in Position
Use a 2.5mm Allen wrench or driver to tighten the three
M3x12 hex, socket‐head cap screws to secure the guide
block in position on the focus block (see Figure 51).
Figure 51 – Secure the guide block in position
Test the Focus Block for Freedom of Motion
Test the freedom of motion of the sliding focus block,
making sure that there is no significant stiffness,
binding, or lateral play at any point throughout the full
range of motion of the focus block (see
necessary, loosen the three M3x12 hex, socket‐head
cap screws securing the guide block to the focus block,
and the two M3x16 hex, socket‐head cap screws that
tension the guide block, and readjust per the above
procedure until the resulting motion of the sliding focus
block is smooth, unrestricted, and without lateral play.
Complete Teardown, Cleaning, and Reassembly of the Olympus BH‐2 Sliding Focus Block
Figure 52 – Test the sliding focus block for proper motion
Reinstall the Trim Cover
Carefully position the U‐shaped trim cover into position
on the arm casting, aligning the four holes in the trim
cover with the four tapped holes in the casting (see
Figure
scratching this fragile cover.
Use a suitable JIS screwdriver to reinstall four M2x4 JIS
screws to secure the trim cover onto the arm casting
(see Figure 54).
Figure
52). If
53). Be careful to avoid bending, denting, or
Figure 53 – Reposition trim cover onto the arm casting
Figure 54 – Reinstall screws to secure the trim cover
Revision 2
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