Olympus BH-2 BHT Volledige demontage, reiniging en hermontage - Pagina 11
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Use a suitable solvent (e.g., acetone) to remove any
grease from the four long guide rails (see Figure 19) and
from the side grooves in the arm casting (see Figure 20).
Figure 19 – Clean grease from the guide rails
Figure 20 – Clean grease from the side grooves in the arm
Remove and Reinstall the Bottom Dust Cover
The function of the bottom dust cover, which is not
present on all BH‐2 stands, is to prevent dust and debris
from entering the opening at the bottom of the arm
(where the arm attaches to the base casting) and
fouling the mechanism of the sliding focus block.
Although this dust cover, if present, does not need to be
removed to perform the maintenance described in this
document, its removal may be desirable to allow for a
more‐thorough cleaning of any dust and debris
accumulation in the area of the dust cover, and the
removal procedure is included in this document for the
sake of completeness.
Use a suitable JIS screwdriver to remove the two M2x4
screws securing the dust cover onto the bottom of the
arm casting (see
Figure
cover (see
Figure
22) and clean any dust and debris
from the cover and from the associated area of the arm
casting. Reposition the dust cover in place and secure it
to the arm casting with the two M2x4 screws.
Complete Teardown, Cleaning, and Reassembly of the Olympus BH‐2 Sliding Focus Block
21). Lift and remove the dust
Figure 21 – Remove screws securing bottom dust cover
Figure 22 – Remove the bottom dust cover
Remove the Guide Rails from the Focus Block
Remove the two short guide rails from the side groove
in the focus block (see Figure 23).
Figure 23 – Remove two guide rails from the focus block
Use a suitable solvent (e.g., acetone) to remove any
grease from two short guide rails (see
from the side groove in the focus block (see Figure 24).
Figure
19) and
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