Olympus BH2 Series 완전한 분해, 청소 및 재조립 - 페이지 27

{카테고리_이름} Olympus BH2 Series에 대한 완전한 분해, 청소 및 재조립을 온라인으로 검색하거나 PDF를 다운로드하세요. Olympus BH2 Series 40 페이지. Phase contrast
Olympus BH2 Series에 대해서도 마찬가지입니다: 문제 해결 및 조정 매뉴얼 (46 페이지), 완전한 분해, 청소 및 재조립 (23 페이지), 분해, 청소 및 재조립 (45 페이지), 매뉴얼 (6 페이지), 설치 매뉴얼 (9 페이지)

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and seat the washer onto the end of the brass pinion

mount (see

Figure

83). The grease will hold the nylon

washer in place on the end of the brass pinion mount

during the subsequent assembly steps.

Figure 83 – Reinstall nylon washer onto end of pinion mount

With the pre-focus lock collar loosened, rotate the

rotating lock ring until the stop screw is at

approximately the 11:00 position. Rotate the lock collar

clockwise to snug the rotating lock ring at this position.

Now place the coil spring over the brass pinion mount

and engage the rear loop of the spring with the

outward-facing stop screw on the rotating lock ring (see

Figure

84).

Figure 84 – Place the rear loop of spring over stop screw

Thoroughly clean the old grease from the brass shaft

mount. Grasp the coarse-focus knob on the right-hand

side of the pillar arm and withdraw it slightly, just to the

point where the threaded coarse-focus shaft protruding

from the left-hand side of the pillar arm no longer

protrudes. Hold the brass shaft mount up to the nylon

thrust washer on the brass pinion carrier, with the rear-

facing stop screw at approximately the 3:00 position.

Carefully engage the front loop of the coil spring with

Complete Teardown, Cleaning, and Reassembly of the Olympus BH-2 Coaxial Focus Mechanism

the rear-facing stop screw on the back of the brass shaft

mount, making sure that the rear loop of the spring

stays engaged with the outward-facing stop screw on

the rotating lock ring (see

Figure 85 – Place front loop of the spring over stop screw

The next step is to preload the coil spring.

holding the brass shaft mount against the nylon thrust

washer on the end of the brass pinion carrier, carefully

rotate the brass shaft mount clockwise until the stop

pin on the back side of the brass shaft mount contacts

the stop pin on the rotating lock ring, preventing the

brass shaft mount from rotating further. Then pull the

brass shaft mount away from the nylon thrust washer

just enough to allow the stop pin on the brass shaft

mount to cross the stop pin on the rotating lock ring.

Once the stop pins cross, press the brass shaft mount

up against the nylon thrust washer once again. The coil

spring is now pre-loaded, and from this point on it is

important to not allow the brass shaft mount to rotate

any significant amount, otherwise the coil spring could

become damaged.

While holding the brass shaft mount stationary in this

position, reach around to the right-hand side of the

pillar arm and gently press the coarse-focus knob in

slightly, so that the threaded end of the coarse-focus

shaft begins to protrude from the pinion assembly and

contact the brass shaft mount. While holding the brass

shaft mount in proper alignment, carefully rotate the

right-hand coarse-focus knob clockwise to engage the

threaded end of the coarse-focus shaft with the threads

in the brass shaft mount. Continue turning the coarse-

focus knob clockwise to begin to snug the brass shaft

mount down, being careful that the gears on the right-

hand side are not damaged as the drive gear in the

coarse-focus knob slips into mesh with the gear of the

steel pinion when the brass shaft mount is snugged

down. Continue tightening the brass shaft mount onto

the coarse-focus shaft until you start to feel resistance.

Figure

85).

Revision 4

Page 27 of 40

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