Olympus CH2 Series Operating instructions

OLYMPUS BIOLOGICAL MlCROSCOPE

SERIES

CH2

REPAIR MANUAL

OLYMPUS

CONTENTS

1. OUTLINE OF THE PRODUCT ............................................. 1

2. DISASSEMBLING PROCEDURE ................................. , .......... 7

3. REASSEMBLING AND ADJUSTMENT ...................................... .21

1. OUTLINE OF THE PRODUCT

CONTENTS

1. IOutlineoftheproduct .................................................... 3

2. Specifications ........................................................... 3

-l-

1. Outline of the product

Name of product: OLYMPUS Biological microscope for education and laboratory use.

Model name for internal use: CH2 Series

CHS-F

(With built-in Halogen lamp, 6V 20W)

CHT-F

(With built-in Tungsten lamp, IOOV 30W)

CHD-F

(Mirror or attachable substage illuminator LSK can be mounted.)

2. Specifications

Common items with models CHS-F, CHT-F and CHD-F

(1) Body tube mounting:

(2) Nosepiece:

(3) Stage:

(4) Focusing:

(5) Condenser carrier:

Circular dovetail/groove system.

Analyzer can be accomodated at inside of the dovetail groove.

Quadruple

Fixed plane stage

Attachable mechanical stage can be mounted.

Common axle for coarse and fine focus adjustments.

Stroke: 25 mm (Coarse and fine adjustments)

Fine focus adjustment gradation: 2.5 pm/division

Tension adjustment for coarse focus knobs

Stopper for coarse focus adjustment

Rack and pinion hight displacement

Sleeve type condenser mount, precentered

Common items with models CHS-F and CHT-F

(1) Filter:

(2) Field diaphragm:

(3) Dimensions:

Cobalt filter (32.5C-2), mounted on a standard filter carrier and then

inserted in the condenser carrier.

45 mm dia filter can be used on the light exit window in the base.

Field diaphragm is available for mounting on the light exit window.

Auxiliary lens is located below the condenser carrier.

180 mm (W) x 223 mm (D) x 281 mm (H)”

* 389 mm (H) with binocular tube

(4) Maximum power consumption: 32VA 1OOV/l 1OV

32VA 2OOVf24OV

-3-

CHSF

(1) Light source:

(2) Weight:

6V 20W Halogen lamp

In-base transformer

Light adjustment with resistor coil.

Fuse holder

Detachable main cord

6.2 kg

CHT-F

(1) Light source: 1OOV 30W Tungsten lamp

Light adjustment with resistor coil

Fuse holder

(2) Weight: Detachable main cord

5.8 kg

CHD-F

(1) Mirror: 50 mm dia mirror is available

Plug-in type mount

(2) Illuminator:

Mounting hole: 5 mm ,i.03 mm

Attachable substage illuminator (LSK) is available

Plung-in type mount

(3) Dimensions:

(4) Weight:

Mounting hole: 5 mm +to3 mm

180 mm (W) x 223 mm (D) x 262 mm (H)”

* 370 mm (H) with binocular tube

4.9 kg

CH2-CD (Two lens condenser for CH2)

(1) Mounting onto the microscope: Condenser is inserted into substage sleeve and clamped.

(2) Numerical aperture: NAI .25 (immersed)

(3) Iris diaphragm: Iris opening from 1.7 mm - 29 mm, variable

(4) Type of illumination: Bright field illumination.

Dark field illumination is available if an optional dark field stop is

used.

(5) Filter:

(6) Special accessories:

Phase contrast illumination is also available with optional ring slits.

Cobalt filter is available with a filter holder or auxiliary lens.

(Snap-in type)

1. Filter holder

2. Auxiliary lens

3. Ring slit

CH-2FH (Filter holder for CH2)

(1) Mounting onto the condenser: Filter holder is mounted on the condenser with snap-in type spring

design.

(2) Filter size: 32,5 mm dia cobalt filter

(3) Accessory: Dark field stop

-4-

CH-2FS (Field iris diaphragm for CH2)

(1) Mounting onto the base: Field iris diaphragm is mounted on the light exit of the base

with snap-in type groove and spring.

Auxiliary lens is mounted on the condenser with snap-in type

groove and spring.

(2) Centering of field iris diaphragm: With two centering knobs on the auxiliary lens.

(3) Objectives which the field iris diaphragm which can be focused:

10X - 40X (At 40X the field number can be reduced to 15.)

Iris opening: 1.7 mm dia - 32 mm dia.

(4) Available filter: Auxiliary filter accepts cobalt filter of 32.5 mm dia.

(5) Available accessory: Dark field stop is available to fit on the auxiliary lens.

CH2-DS (Dark field stop for CH2)

(1) Mounting onto the condenser: Drop into auxiliary lens CH2-AL or filter holder CH2-FH and

snap into condenser.

(2) Objectives which can be used for dark field illumination:

4X - 40X. (NA 0.65 max)

(3) Numerical aperture of condenser with CHZ-DS attached:

0.7510.95

CH2-RSlO (10X Ring slit for CH2)

CH2-RS40 (40X Ring slit for CH2)

(1) Mounting on the condenser:

(2) Centering of the ring slit:

(3) Objectives:

Snap-in type

Two centering knobs,

PCDA 10X

PCDA 40X

CH’L-PCD (Universal condenser for CH2)

(1) Mounting on the substage:

(2) Numerical aperture:

(3) Turret:

(4) Centering of ring slit:

(5) Objectives:

(6) Filter:

Insert into condenser sleeve and clamp with clamping knob.

NA1.25 (immersed, brightfield)

4 hole turret.

Bright field , . , With aperture iris diaphragm (iris dia: 1.7 mm

- 29 mm)

Dark field . . . . Dark field illumination for objectives of 10X

- 40x.

1OX ring slit

40X ring slit

Centering with two removable centering keys.

Long barrel objectives (DAch and EDAch)

Phase contrast objectives (PCDAch 1OX and PCDAch 40X)

Green filter and cobalt filter are provided. To be placed on the

light exit on the base.

-5-

2. DISASSEMBLING PROCEDURE

CONTENTS

1. Disassembly of bottom plate of base ......................................... 9

2. Disassembly of light exit unit ............................................... 9

3. Disassembly of condenser carrier, stage and focusing unit ........................ .lO

4. Disassembly of focusing knobs ............................................. .I4

5. Disassembly of rack and pinion ............................................ .I 7

-7-

1. Disassembly of bottom plate of base

l-l.

1-2.

l-3.

2. Disassembly of light exit unit

Place the microscope upside down

move 4 screws (AB4 x 12SA).

Remove screw (AB4 x 12SA) which

the ground wire.

Pull up the bottom plate and remove

the main frame.

and re-

clamps

it from

2-l. Remove 3 screws (CUK2.6 x 10SA) which are

clamping the light exit unit.

-9-

3. Disassembly of condenser carrier, stage and

focusing unit

.. 3-l. Remove the arm (C2-AS) from the base

(C2-BS) by removing 4 screws (AB6 x 16SA).

*Mark the installing position before removal.

3-2. Remove the left outer guide (AB468900) of

the condenser carrier (C2-CH) by removing

screw (CUKSK3 x 1OSA).

3-3. Remove the condenser carrier (AB468800).

-lO-

Remove condenser rack (AA870700) by un-

screwing 2 screws (CUK3 x 6SA).

3-5. Remove the sleeve (AB469000).

*Disassemble the sleeve only when it has a

problem such as poor centration of the con-

denser or it is damaged.

3-5-l. Remove condenser clamping screw (AA-

008000).

3-5-2. Loosen 3 screws (ANU3 x 6SA).

3-5-3. Remove sleeve (AB469000).

3-6. Remove substage knob assembly (A8431 700).

-ll-

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