Olympus BH2 Series Повний демонтаж, очищення та повторний монтаж - Сторінка 32
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Figure 99 – The fully disassembled focus gearbox
Clean and Reassemble the Focus Gearbox
Thoroughly clean the old grease from the gears, gear
pins, nylon thrust washers, and from the focus gearbox
housing. Use a bit of grease (see
one of the four nylon thrust washers into position inside
the right-hand wall of the focus gearbox housing and
apply grease inside the hole in the housing as well.
Partially insert the first gear pin into the greased hole in
the housing in preparation for the installation of the
first gear.
Figure 100 – Washer and pin ready to receive the first gear
Apply a light coating of grease onto both end faces of
the first gear. While holding the first gear in the proper
position within the focus gearbox housing, press the
first gear pin deeper into the housing until the pin
engages with the hole in the first gear, but do not press
it to the point where the pin protrudes from the
opposite end of the gear (see
gear over to be against the right-hand side wall of the
focus gearbox housing, to provide sufficient space for a
nylon thrust washer to be installed on the left-hand side
of the first gear (i.e., between the first gear and the left-
hand inside wall of the focus gearbox housing).
Complete Teardown, Cleaning, and Reassembly of the Olympus BH-2 Coaxial Focus Mechanism
Figure
100) to stick
Figure
101). Slide the first
Figure 101 – The first gear held in place by the gear pin
Use tweezers or needle-nose pliers to slide a greased
nylon thrust washer in between the left-hand side wall
of the first gear and the left-hand inner wall of the focus
gearbox housing (see
Figure
Figure 102 – Insert nylon washer on opposite side of pin
Look into the hole in the focus gearbox housing where
this washer was just inserted and reposition the washer
with a toothpick or tweezer tips as necessary to
properly align it with the hole, such that the washer will
not be damaged when the first gear pin is slid into this
hole. Apply grease to the inside of the hole and slide
the gear pin into the final position, being careful not to
damage the washer in the process. Make sure that the
gear pin protrudes from both sides of the focus gearbox
housing by approximately the same amount (see
103) and wipe away any grease squeeze-out.
102).
Figure
Revision 4
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