Olympus CH10 Operating instructions

BIOLOGICAL MICROSCOPE

CH10 / CH20

REPAIR MANUAL

OLYMPUS

BIOLOGICAL MICROSCOPE

CH10 / CH20

REPAIR MANUAL

OLYMPUS

CH10/CH20

CONTENTS

A. OUTLINE OF PRODUCT

1. Kinds of Product ....................................................................................................A-1

2. Outline ...................................................................................................................A-1

3. Features..................................................................................................................A-1

4. Using Conditions....................................................................................................A-2

5. Specifications .........................................................................................................A-2

6. Dimensions.............................................................................................................A-4

B. INSPECTION STANDARD

1. Inspection Items and Methods ................................................................................B-1

1-1 Microscope frame and stage ..........................................................................B-1

1-2 Observation tube ...........................................................................................B-2

C. DISASSEMBLY AND ASSEMBLY PROCEDURES

1. Focusing Unit.........................................................................................................C-1

1-1 Base plate and arm........................................................................................C-1

1-2 Coarse / fine adjustment knob........................................................................C-2

1-3 Guide unit .....................................................................................................C-4

2. Revolving Nosepiece..............................................................................................C-6

3. Stage......................................................................................................................C-7

3-1 X / Y-knob ass’y...........................................................................................C-7

3-2 X-guide unit and stage clip holder..................................................................C-8

3-3 Y-guide unit ..................................................................................................C-10

4. Observation Tube...................................................................................................C-11

4-1 Sleeves and cover..........................................................................................C-11

4-2 Prism ass’y and mirror ass’y..........................................................................C-12

5. Condenser ..............................................................................................................C-13

6. Collector Lens Part.................................................................................................C-14

D. REPAIR PROCEDURE

1. Centering of Optical System and Voltage Adjustment.............................................D-1

1-1 Optical axis adjustment of revolving nosepiece ..............................................D-1

1-2 Illumination center adjustment .......................................................................D-1

CH10/CH20

1-3 Condenser center adjustment .........................................................................D-1

1-4 Voltage adjustment........................................................................................D-2

2. Observation Tube (C20−BI45) Adjustment.............................................................D-3

2-1 Adjustment procedure ...................................................................................D-3

2-2 Preparations ..................................................................................................D-3

2-3 Left / right optical axis adjustment, parfocality adjustment .............................D-4

2-4 Exit pupil center check ..................................................................................D-5

E. JIGS AND TOOLS

1. List of Jigs and Tools..............................................................................................E-1

F. LUBRICANTS AND CHEMICALS

1. List of Lubricants...................................................................................................F-1

2. List of Chemicals....................................................................................................F-1

CH10/CH20 A. OUTLINE OF PRODUCT

A-1

1. Kinds of Product

CH20F Kinds of product

Names of unit Contents of unit

1. CH20BIMF110 Overseas area: 100V system CH20 frame with BI, MVR

2. CH20BIMF200 Overseas area: 200V system CH20 frame with BI, MVR

3. CH20MOMF110 Overseas area: 100V system CH20 frame with MO, MVR

4. CH20MOMF200 Overseas area: 200V system CH20 frame with MO, MVR

5. CH20BIMF100 Japan: 100V system CH20 frame with BI, MVR

6. CHMOMF100 Japan: 100V system CH20 frame with MO, MVR

7. CH20MOF100 Japan: 100V system CH20 frame with MO

CH10F Kinds of product

Names of unit Contents of unit

1. CH10BIMF Overseas area: CH10 frame with BI, MVR

2. CH10BIF Overseas area: CH10 frame with BI

3. CH10MOMF Overseas area: CH10 frame with MO, MVR

4. CH10MOF Overseas area: CH10 frame with MO

5. CH10MOMF-D Japan: CH10 frame with MO, MVR

6. CH10MOF-D Japan: CH10 frame with MO

Stage: MVR (mechanical stage) Observation tube: MO (monocular), BI (binocular)

2. Outline

(1) CH20 and CH10 are low-price, economical biological microscopes, which offer an advanced

range of functions and specifications required for clinical and educational use.

(2) CH20 and CH10 are LB optical microscopes, which are substitutes up-graded in specifications

for the conventional CHK2.

(3) External standard

Electrical safety standard: IEC1010-1, EN61010-1, UL3101-1

Armature emission: EN55011, Group 1, Class B

Immunity: EN550082-1

According to the above standards, we got UL and GS mark and declare CE mark.

3. Features

(1) Main features

žCondenser movement (vertical) by rack and pinion, approx. 10 mm stroke

žField diaphragm unit (CH3-FS) is available optionally.

žArm with DS (Direct Sight) window through which specimen can be observed with naked eye

from the back.

žFocusing knob which can be controlled while putting your hands on the table.

(2) Illumination is bright because 6V20W halogen lamp is employed.

CH10/CH20 A. OUTLINE OF PRODUCT

A-2

(3) The dust-proof observation tube keeps off dust and also anti-fungus treatment for it is effective

for protecting from fungus.

(4) The handhold enable you to hold the microscope frame easily.

(5) LB objective of 45 mm focal distance is employed.

4. Using Conditions

(1) Standard performance cannot be ensured in combination with objectives other than NEA series,

PCDA10XPL, PCDA40XPL, and EA60X.

(2) Standard performance cannot be ensured in combination with eyepieces other than

NCWHK10X (for binocular/ monocular observation tube) and ER15X (for monocular

observation tube).

(3) Intermediate attachment, photomicrographic unit, and TV unit can not be used.

(4) Condenser is provided as a standard, and it is not interchangeable.

(5) Standard performance cannot be ensured in combination with units other than darkfield central

stop (CH2-DS), phase contrast attachment (CH2-RS10, RS40), and attachment lens (CH3-

AL).

(6) CH2-DS can not be used for objective 4X and 100X.

(7) Field diaphragm unit and attachment lens (CH3-FS, CH3-AL) can be attached optionally.

However, use them for objective 40X or less.

(8) When FS and AS are stopped down to the minimum, ghost may occur.

(9) Mechanical stage is not interchangeable.

(10) Micrometer eyepiece cannot be attached to the binocular observation tube.

(11) Operating environment temperature: 5°C - 40°C, humidity: 30 - 80 %

(12) Blue filter (LP5146), which is made from plastic, should not be wiped off with organic

detergent.

5. Specifications

Items Specifications Remarks

1Observation

tube 1) Circular dovetail type, rotatable for 360°

2) Anti-fungus treatment

3) Eyepiece sleeve diameter: φ23.2 mm

4) MO45 inclination angle: 45°

5) BI45 Jentsh type inclination angle: 45°,

interpupillary distance adjustment : 53 - 75

mm, left diopter compensation: ±5 Diopter

2Revolving

nosepiece 1) Fixed quadruple revolving nosepiece (with

front side facing upward)

2) Center bearing type

Arm and revolving nosepiece integrated (fixed)

3Stage 1) Fixed plane stage

2) Fixed mechanical stage (with C20-MVR)

3) Dimensions: 120 ×120 mm

CH10/CH20 A. OUTLINE OF PRODUCT

A-3

Items Specifications Remarks

4) Working range •40 mm in longitudinal

direction

‚76 mm in lateral direction

5) Clip holder (lever type)

žHolding capacity: a standard slide glass (76 ×

26 mm)

žSpecimen thickness: 0.9 - 1.4 mm

žInclination form: 30°

6) With biological clip holder (except FM type)

4Focusing

mechanism 1) Coaxial coarse and fine adjustment knobs

2) Coarse / fine adjustment stroke: 20 mm or

3) With fine scale: 2.5 µm / graduation

4) Fine adjustment stroke per rotation: 0.3 mm

5) Coarse adjustment knob (with the torque

adjustment mechanism)

6) Without coarse adjustment lock mechanism

5Condenser

holder 1) Dovetail type (Condenser can be attached and

removed freely.)

2) Rack and pinion vertical motion, rotating; knob

type, stroke: 10 mm or more

6Condenser 1) Numerical aperture: N. A. 1.25 (using in

immersion oil)

2) Aperture diaphragm: diaphragm diameter; φ1.7

- 29 mm

3) Exclusive condenser with dovetail and rack

integrated

4) A filter of φ32.5 can be attached (CH2-FH).

5) CH2-RS10, RS40 and DS can be attached.

6) CH3-AL can be attached (CH20F only).

Six diaphragm

blades

Optional

7Collector lens

part 1) CH3-FS can be attached: circular fitting snap

type

2) A filter of φ45 can be attached.

8Light source 1) 6V20W halogen lamp

2) Lamp replacement by opening and closing back

cover

3) Built-in transformer, phase control system

4) Dial continuous light intensity control:

indicating the position by graduation

Halogen bulb:

Philips 7388

(average life-

time: 100 H)

9Filter Blue filter (KB-P) is attached directly to the lower

part of the condenser.

10 Weight CH20F: 4.4 kg

CH10F: 3.4 kg at CH10/20BIMF

setting

11 Storing case žWooden box (CH20)

žPlastic case (CH10)

CH10/CH20 A. OUTLINE OF PRODUCT

A-4

6. Dimensions

[Unit: mm]

CH10/CH20 B. INSPECTION STANDARD

B-1

1. Inspection Items and Methods

1-1 Microscope frame and stage

Part Item Standard Method

Illumination Illumination center Deviation to

optical axis of

collector lens:

within 10%

Set the centering telescope (KN0029)

to the right sleeve, and read the

displacement between the optical axis

of collector lens and the cross hairs

center of centering telescope.

Coarse/fine

adjustment Coarse adjustment

knob rotation

force

5.9 N {600g} or

less Tie a string around the knob, rotate it to

measure the working force with a

tension gauge.

Fine adjustment

knob rotation

force

0.14 -0.44N

{15 - 45g}

Condenser

holder Condenser knob

rotation force 2.5 - 5N {250 -

500g} Tie a string around the knob, rotate it to

measure the working force with a

tension gauge.

Revolving

nosepiece Rotation force 0.78 ±0.57N {80

±60g} Attach an objective to the revolving

nosepiece, and measure the rotation

Click removing

force 3.92 ±1.96N

{400 ±200g} force with a tension gauge.

Stage X/Y-knob rotation

force X = 0.2 - 0.98N

{20 - 100g}

Y = 0.49 - 1.96N

{50 - 200g}

Tie a string around the knob, rotate it to

measure the working force with a

tension gauge.

Clip holder

clearance Pass through 0.2

mm thickness

Stop at 0.7 mm

thickness

Measure the clearance between the

stage and the clip holder with a

thickness gauge.

CH10/CH20 B. INSPECTION STANDARD

B-2

1-2 Observation tube

Part Item Standard Method

Binocular

tube Interpupillary

distance

adjustment

range

53 mm or less at

min. - 75 mm or

more at max.

Set the observation state, insert a thin paper with

graduations at the eye point position and measure

the interpupillary distance.

Interpupillary

distance

working force

3.9 - 9.8N {400 -

1000g} Tie a string around the sleeve periphery, work the

interpupillary distance to measure the working

force with a tension gauge.

Diopter

difference

compensa-

tion

Compensa-

tion range ±5 diopter Turn the diopter ring and check that the scale

goes over the limit.

Optical

axis Left/right

optical axis On image surface:

0.15 mm or less in

vertical direction

0.15 mm or less in

outward direction

0.3 mm or less in

inward direction

Observe a specimen whose center can be

identified (e.g., on concentric circles) using the

standard eyepiece (KN0048; with adapter-1) and

4X or 10X objective.

Align the center of specimen with that of visual

field in the right sleeve as the standard, and read

the displacement between centers of the

specimen and the visual field in the left sleeve

using the reticle scale (1 graduation is 0.1 mm.)

of KN0048.

Absolute

optical axis

(right sleeve

only)

0.3 mm or less on

image surface Set theinterpupillary distance to 62 mm, combine

the standard eyepiece (KN0048; with adapter-1),

the microscope frame (product) and the standard

objective (KN0015), and read the displacement

between centers of the specimen and the visual

field in the right sleeve using the reticle scale of

KN0048.

Exit pupil

center Within 20% of

objective’s exit

pupil diameter

Combine the centering telescope (KN0029), 4X

or 10X objective, and the microscope frame

(product), and read the displacement between the

objective’s exit pupil diameter center and the

cross hairs center of centering telescope.

Tube length Absolute

parfocality ±0.5 mm or less on

image surface Combine the standard eyepiece (KN0048; with

adapter-1), the focusing telescope (FT-36), the

microscope frame (product), and the standard

objective (KN0016).

Set theinterpupillary distance to 62 mm, and read

the parfocality difference between the reticle in

KN0048 (with adapter-1) and the specimen in

KN0016 using helicoid scale (1 graduation is 0.1

mm.) of KN0048.

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