Thank you for purchasing the Olympus microscope BX2.
In order to fully utilize its performance and secure optimum condition, please read this manual before maintenance work.
Please also keep it at hand during maintenance as well as for future reference.
All rights reserved, Reproduction in whole or in part without written permission is prohibited.
BX2
BX2 MAINTENANCE MANUAL
INTRODUCTION
The purpose of this manual is to satisfy any requirements for maintenance material
that maybe considered as necessary to professionals in the maintenance field, such
as Maintenance engineer in Hospitals.
It is intended to be used as a tool for performing basic maintenance procedures if
needed or when required as per the recommended maintenance schedule.
The sections from this manual only cover procedure pertaining maintenance ’s that
are considered to be easily performed. For more involved maintenance ’s or repairs,
it is recommended that you contact a qualified service engineer from your local
Authorized Olympus dealer.
Maintenance parts, grease, and other items specified in the manual can be ordered
from your Authorized Olympus dealer, and subject to change without notice.
The recommended maintenance schedule is shown below as reference. ( * Necessary item)
1) Outer surface *Once in a year
Eyepiece, objective,(If dirt is conspicuous or oil
condenser lens, filter, immersion objective is used,
photo eyepiece cleaning should be made after
every use.)
2) Inner part *Once in a year
Prism, built-in filter,
internal lenses, mirror
Appearance *Once in a year
Microscope frame, mechanical(If dirt is conspicuous, cleaning
part should be made after every use.)
Observation tube *Once in a year
Optical adjustment:
1) Optical axis (standard)
2) Left/right optical axis
3) Revolving axis
4) Parfocality
Mechanical part *Once in two to three years
Focusing unit, stage, revolvingMechanical movement:
nosepiece, aperture/field Grease replacement
iris diaphragm Mechanical adjustment
BX2 MAINTENANCE MANUAL
CONTENTS
Chapter 1. MAINTENANCE PROCEDURE
1. Maintenance of microscope ....................................................................................................1
2. Guide to maintenance..............................................................................................................2
2-1 Overview of maintenance.................................................................................................... 2
2-2 Cleaning method for the optical components ....................................................................3
3. Preparing for inspection...........................................................................................................6
1. List of jigs and tools................................................................................................................24
2. List of greases ........................................................................................................................24
3. List of adhesives.....................................................................................................................24
Chapter 6. MAINTENANCE PARTS
1. List of maintenance parts.......................................................................................................25
BX2 MAINTENANCE MANUAL MAINTENANCE PROCEDURE
Chapter 1.
MAINTENANCE PROCEDURE
1. Maintenance of microscope
1) Fundamental handling
a. Read the instruction manual thoroughly, handle the microscope correctly.
b. Be sure to make a usual cleaning, especially after every use of microscope.
c. When handling the microscope, do not expose it to shock, moisture, heat and dust.
d. If the problem occurs, do not treat it in self-judgement.
2) Using and storing conditions
a.The microscope should be used under no vibration.
If it is placed in such environment as vibration, this causes disturbance and fatigue in
observation and affects the photomicrography.
b. It should not be stored in high humidity.
Such condition causes fungus, corrosion on lens and rust on metal part.
Therefore, special caution is exercised if stored in a long period of time.
c. Intense temperature change should be avoided.
Be careful not to place the microscope near window exposed to direct sunlight and air
conditioner. When bringing it into warm room from cold storage location in winter,
condensation occurs on lens and metal part, it causes fungus and rust.
d. It should be kept clean.
The microscope is required to keep away from dust that causes contamination, fungus
on lens and failure of sliding part in the frame.
Be careful not to place it in the environment where the corrodent chemicals such as
hydrogen sulfide, hydrogen fluoride and acid are handled.
< Reference> fungus: occurrence conditions
Dry blue aspergillus
Temperature
Degree(C)
40
30
Humidity
%
607080
- 1 -
Aspergillus
20
10
90
100
BX2 MAINTENANCE MANUAL MAINTENANCE PROCEDURE
2. Guide to maintenance
2-1 Overview of maintenance
1)2)3)
Set your correct interpupillary distance.
Note any areas suggesting a need for
mechanical and/or optical maintenance
by operating it or observing a specimen.
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Sweep off dust on the outer surfaces
with the soft brush. If there are stains
Remove the revolving nosepiece, stage
and condenser.
on the microscope frame, clean them
with neutral detergent.
4)5)6)
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Plastic part
Plastic part
Wipe off any dirt spots on the surface.
The plastic parts should be cleaned with
neutral detergent.
7)
Polish all plastic components and the
frame with silicon cloth.
Tool required:
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collector lens
Clean all exposed optics such as
lenses of eyepieces and objectives.
(Only the BX41collector lens should
Mount the removed components to
the microscope frame.
be cleaned with neutral detergent
because it is made of plastic.)
8)9)
Return the interpupillary distance to
original condition and prepare for
the inspection. (see page 6)
Do a final check following the inspection
sheet in this manual. (See page 7)
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Lens tissue
Neutral detergent
(For plastic part or frame)
Cleaning solution
(For lens or filter etc.)
- 2 -
Cotton swabBlowerSilicon cloth
or tweezers etc.
(For finishing)
BX2 MAINTENANCE MANUAL MAINTENANCE PROCEDURE
2-2 Cleaning method for the optical components
Required tools:
1) Lens tissue
2) Cotton swab or tweezers etc. 3) Blower 4)Magnifier (Eyepiece is possible to be used by turning
it upside down. Refer to page 10.)
5) Cleaning solution: e.g. Alcohol
Before cleaning: Lightly brush the lens surface or blow with the blower before wiping with tissue.
This removes particles that may scratch the lens surface. (to protect the lens coating)
HOW TO CLEAN THE OBJECTIVE LENS
1234
Moisten the tip of cotton
swab with cleaning
solution.
With a circular motion,
wipe the top lens
surface with the cotton
swab, to thoroughly
remove any oil or dirt
from the lens.
When the lens size is large and difference in
level between the lens and the lens frame is small:
Fold the lens tissue several times and moisten it
with cleaning solution.
After that, apply the folded line edge to the center
of lens, push it with index finger and turn the
objective by the other hand to clean the lens
while moving it from the center towards the
periphery.
Put it on the desk
Dip a new cotton swab
in the cleaning solution
and shake vigorously
to remove any excess
cleaning solution.
wipe the objective lens
from the center towards
the periphery, while
rotating the lens.
Cleaning the immersion objective:
Wipe off the immersion oil while absorbing
it with lens tissue that is not moistened.
After that, clean the lens as the same manner
mentioned on the left.
When the top surface of lens frame is higher
than that of lens and remained dirty potion
on the periphery of lens can not be wiped off,
clean the lens referring the above figures,
1 to 4.
- 3 -
BX2 MAINTENANCE MANUAL MAINTENANCE PROCEDURE
HOW TO CLEAN THE FILTER
Fold the lens tissue into two or three layers and moisten its shaded part with cleaning
solution.
Hold the filter at its edge and fold the lens paper from the lens center to outside as illustrated.
Move the lens tissue gradually to outside while turning the filter by left hand.
HOW TO CLEAN THE PRISM
Hold a sheet of lens tissue between your middle and index fingers, then fold and wrap it around
your index finger. Hold the tissue down with your thumb and moisten it with sufficient cleaning solution.
1)
2)3)
4)
5)
6)
Wipe the prism surfaces from front to backward at a stroke, applying even pressure.
- 4 -
BX2 MAINTENANCE MANUAL MAINTENANCE PROCEDURE
HOW TO CLEAN THE EYEPIECE
12
Wrap a sheet of lens tissuearound a cotton swab asillustrated. If the area to becleaned is large, wrap the
Dip the wrapped lens tissue in thecleaning solution, and wipe theeyepiece from the center towards
the periphery in a circular motion.lens tissue looser andthicker. Otherwise, make a
thin, tight wrap.
.
Important notes:
1) Never rub the lens surface strongly.
2) Do not use the same lens tissue to clean more than one lens .
3) Do not moisten the lens tissue with an excessive amount of cleaning solution.
4) When cleaning with tweezers, be careful not to protrude its tip from the lens tissue.
- 5 -
BX2 MAINTENANCE MANUAL MAINTENANCE PROCEDURE
3. Preparing for inspection
ADJUSTMENT OF KOEHLER ILLUMINATION
1) Set the main switch “A” to “I” (ON) and adjust the brightness by turning the adjustment knob “B” .
2) Set the light path selector knob “C” to the pushed-in position.
5) Turn the condenser height adjustment knob “D” to raise the condenser to its upper limit.
( When using the U-SC3 swing-out condenser, move the top lens into the light path.)
6) Looking through the eyepiece in the right sleeve without the diopter adjustment ring, turn the
coarse and fine focus adjustment knobs to bring the specimen into focus.
7) Looking through the eyepiece in the left sleeve with the diopter adjustment ring, turn only the
diopter adjustment ring “E” to focus on the specimen.
(At this time, adjust the interpupillary distance so that the binocular visions on the left and
right fields of view coincide completely.)
8) Turn the field iris diaphragm ring “F” in the direction of the arrow so that the iris diaphragm image
comesinside the field of view.
9) Manipulate the condenser height adjustment knob “D” to focus on the iris diaphragm image. (See Fig.1)
10) Turn the two condenser centering screws “G” to move the iris diaphragm image to the center
of field of view. (See Fig. 2)
11) Gradually open the field iris diaphragm. The condenser is properly centered if the iris diaphragm
image is centered and inscribed in the field of view. (See Fig.3)(During actual use, open the field iris diaphragm slightly until its image circumscribes the field
of view. See Fig.4)
Reference: Since the contrast of microscope specimens is ordinary low, setting the condenser
aperture iris diaphragm to between 70% and 80% of the N.A. of the objective in use
is usually recommended. If necessary, adjust the ratio by removing the eyepiece
and looking into the eyepiece sleeve while adjusting the aperture iris diaphragm ring “H”.
C
E
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D
F
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A
Field iris
diaphragm image
Fig.1
Fig.2
Fig.3
Fig.4
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