Olympus BH2 Series Полная разборка, очистка и сборка - Страница 16
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After the four cylindrical rollers have been pushed into
the channel formed by the four guide rails, continue
pushing the plastic spacer rod into the opening until just
the tip is visible (see Figure 46).
Figure 46 – Push the spacer rod into guide‐rail channel
IF GREASE IS TO BE USED IN THE SLIDING FOCUS BLOCK (RECOMMENDED):
Lightly coat the remaining four cylindrical rollers with a
suitable grease (item 5 or 7 of Appendix 2). Place these
four greased cylindrical rollers onto the greased guide
rails in the side channel of the guide block protruding
from the bottom of the arm (see
without grease for clarity). Orient the rollers as shown.
IF GREASE IS NOT TO BE USED IN THE SLIDING FOCUS BLOCK:
Place the four remaining cylindrical rollers onto the
guide rails in the side channel of the guide block
protruding from the bottom of the arm (see Figure 47).
Orient the rollers as shown.
Figure 47 – Place remaining rollers onto upper guide rails
Carefully push the protruding guide block (with the
cylindrical rollers and spacer rod sitting on top of the
guide rails) into position behind the focus block, making
sure that the rollers do not come out of position on the
guide rails as they are pushed into the channel. Align
Complete Teardown, Cleaning, and Reassembly of the Olympus BH‐2 Sliding Focus Block
Figure
47, shown
the three holes in the focus block with the tapped holes
in the guide block (see Figure 48).
Figure 48 – Push guide block and rollers into the channel
Mount the Guide Block into Position
Hold the guide block in position such that the three
holes in the focus block are aligned with the tapped
holes in the guide block. Make sure that the brass
shims are not visible through the three holes in the
focus block, otherwise the screws may damage these
shims when they are reinstalled (if necessary, use a
toothpick or some other pointed tool to reposition the
shims so that the screws will not damage the shims
when they are reinstalled). While holding the guide
block in this position, use a 2.5mm Allen wrench or
driver to reinstall three M3x12 hex, socket‐head cap
screws to secure the guide block to the focus block (see
Figure
49). Initially, snug these three screws slightly,
then back them off approximately one‐half turn to allow
the guide block to float relative to the focus block. This
float will allow the wedge nuts to move the sliding focus
block, as the tension screws are tightened to eliminate
the lateral play in the slide.
Figure 49 – Reinstall screws to secure the guide block
Adjust for No Lateral Play in the Sliding Focus Block
Use a 2.5mm Allen wrench or driver to snug the two
M3x16 hex, socket‐head cap screws to tighten the
wedge nuts (and thereby move the guide block) such
Revision 2
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