Olympus BH-2 BHTU Desmontagem, limpeza e remontagem completas - Página 14
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Figure 36 – Guide rails installed into the guide block
Apply Grease to the Guide Rails (Optional)
IF GREASE IS TO BE USED IN THE SLIDING FOCUS BLOCK (RECOMMENDED)
Lightly coat the exposed surfaces of the four long guide
rails in the arm, the two short guide rails in the guide
block, and the two short guide rails in the focus block
with suitable grease (item 5 or 7 of Appendix 2).
Place the Guide Block into Position on the Focus Block
Reinstall the two brass shims onto the focus block, using
a small dab of heavy grease (item 6 of
each end of the shims to hold them in position during
the subsequent reassembly steps (see Figure 37).
Figure 37 – Reinstall the brass shims onto the focus block
After placing the two brass shims into position on the
back of the focus block, wipe away any exposed grease
with a clean dry tissue (see Figure 38).
Figure 38 – Clean exposed grease from the focus block
Complete Teardown, Cleaning, and Reassembly of the Olympus BH‐2 Sliding Focus Block
Appendix
2) at
Place the guide block, with two short guide rails
installed into its side groove, into position on top of the
two brass shims sitting on the focus block (see
39). Note the proper orientation of the beveled edge of
the guide block (see Figure 40).
Figure 39 – Reinstall guide block onto the focus block
Place two M3X16 hex, 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
screws with the two wedge nuts (see Figure 40).
Figure 40 – Loosely engage screws with the wedge nuts
Place Cylindrical Rollers onto Lower Guide Rails of Arm
IF GREASE IS TO BE USED IN THE SLIDING FOCUS BLOCK (RECOMMENDED):
Lightly coat eight of the cylindrical rollers and one of the
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). Note the alternating orientation of the rollers.
IF GREASE IS NOT TO BE USED IN THE SLIDING FOCUS BLOCK:
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
alternating orientation of the rollers.
Figure
Figure
41). Note the
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