Olympus CH20 Onarım Kılavuzu - Sayfa 25

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Sayfayı Yazdır

CH10/CH20

1. Centering of Optical System and Voltage Adjustment

1-1 Optical axis adjustment of revolving nosepiece

Revolving

nosepiece

spring

(AD1905)

1-2 Illumination center adjustment

Figure-1

1-3 Condenser center adjustment

D. REPAIR PROCEDURE

Standard eyepiece (KN0048; with adapter-1)

Standard tube (BKN0003)

Standard objective

(KN0015)

Screw (AD2472)

CH20 frame

Figure-2

Centering telescope

(KN0029)

Screw

(AB3X8SA)

ž Set the jigs as shown in the left figure.

ž Turn on the power of the microscope

frame, loosen two SCREWS ‚, and

adjust the position of the REVOLVING

NOSEPIECE SPRING • to meet the

standard.

Standard

ž Turn the KNOB • of condenser counter-

clockwise, and remove the condenser by

moving it downwards with the ADJUST-

MENT KNOB ‚. Figure-1

ž Turn on the power of the frame.

ž Look through the collector lens from the

hole for mounting the objective.

ž Make sure that the brightest filament seen

through the collector lens is in the center of

the hole for mounting the objective. Figure-

2 (When it is displaced, adjust the position of

the lamp holder.)

ž Set the jig as shown in the left figure.

ž Focus on the collector lens with the centering

telescope (KN0029).

ž Loosen the three screws (AB3X8SA) securing the

stage, and adjust the position of the stage so that

the contour of the collector lens can meet the

standard.

Standard

D-1

Within 3 graduations

Within 20%