Olympus BHT-111 User manual

OLYMPUS
SYSTEM
MICROSCOPE
MOdCI
BHT

Thisinstruction
manual
has
been
written
for theuse
of theOlympus
System
Microscope
Model
BHT. lt is
recommended
thatyoureadthe
manualcarefully
in
orderto
familiarize
yourself
fully
with the use
of the microscope,
so
that you can
obtain
optimum
performance
from it.
IMPORTANT
Observe
the following points carefully:
I Operation
1. Always handlethe microscope
with the care it deserves,
and avoid abrupt motions.
2. Avoid the useand maintenance
of the microscope
in directsunlight,
hightemperature
and
humidity, dust andvibration.
Only use
the tension
adjustment
ring
for altering
thetension
of the coarse
adjustment
knobs.
(Do
not
twist
thetwocoarse
adjustment
knobs
in
opposite
directionssimultaneous-
ly,
asthis
will cause
damage.)
Make
sure
that
the
voltage
selector
switch
onthe
base
plate
is
setto conform
withthelocal
mains
voltage.
Makeit a point
of grounding
themicroscope
to prevent
electricaccidents.
I Maintenance
1. Lenses
mustalways
bekept
clean.
Carefully
wipe
off oil or fingerprints
deposited
onthe
lenssurfaces
with gauze
moistened
with asmall
amount
of xylene,alcohol
or ether.
2. Do not use
organicsolutions
to wipethe surfaces
of various
components.
Plastic
parts,
especially,
should
becleaned
with neutral
detergent.
3. Never
disassemble
the
microscope
for repair. Only
authorized
Olympus
service
personnel
should
make
repairs.
4. The microscope
should be covered
with the vinyl dust cover
provided
and storedin a place
free from humidity and fungi. For extended storage
it is
recommended
to keepobjectives
and eyepiecesin desiccators,
containing
desiccantssuch
as
silica
gel.
3.
4.
5.
pcfly.info

I. STANDARD
EOUIPMENT
II. NOM
ENCLATU
RE
III. ASSEM
BLY
IV. IDENTIFICATION
AND FUNCTION
V. OPE
RATION
A. Switching
on the LightSource
CONTENTS
VARIOUSCOMPONENTS
r'* ooir;.r;;;
OF
2
3
4
6
9
Voltage
AdjustmentandLight Intensity
Placementof a Specimen Slide
la"""rclassl
fStadl
Observation
Tube
1. InterpupillaryDistance
Adjustment
2. Diopter
Adjustment
3. LightPath
Selector
Condenser
Adjustment
1. Condenser
Centration
FieldlrisDi m
Aperture
lrisDiaphragm
FocusingAdjustment
1. Tension
of Coarse Adjustment
Knobs
and
Useof Rubber
Cap
for FineAdjustment
Knob
2. Pre-FocusingLever
3. Adjustment
of StageBlockHeight
F. Use
of lmmersionObjectives
G. Photomicrography
VI. OPTICAL
DATA . .'. .
VII. TROUBLESHOOTING
B. 10
11
C.
12
D.
13
E.
14
16
17
pcfly.info

t. STANDARD
EOUIPMENT
Component Model
BHT-11
1BHT-112BHT-312
Microscope
stand BHT-F 111
Line
cord UYCP 111
Observation
tubes Binocular
tube BH2-8130 110
Trinocular
tube BH2-TR30 001
Ouintuple
revolving
nosepiece BH2-5RE 111
Square
mechanical
stage
with right-hand BH2-SVR
lowdrive
coaxial
controls 111
Condensers Abbe
condenser BH2-CD 110
Swing-outcondenserBH2-SC 001
Halogen
lamP
holder LS-20H 111
Halogen
bulbs 6V20WHAL 222
Objectives
DAch.
4X,
D Ach.
10X,
DAch.
40X,
DAch.
100X
(oil) 1
each 00
D Plan4X,
D Plan10X,
D Plan
40X
D Plan100X
(oil) 01
each 1
each
Eyepieces WHK1OX 222
Photo
eyepiece NFKS'3X
Filter KB-4
001
111
lmmersion
oil,
bottled
Vinyldust
cover
Allen
wrench
111
111
111
pcfly.info

II. NOM
ENCLATURE
The Model BHT consists
of various components
and interchangeable
accessories
as
shown in the
photo below. A wide varietyof combinations,
standard
or optional,
isavailable
according
to your
req
u
i
re
ments.
Eyepiece
Halogen
lamp
holder
Observation
tube
Microscope
stand
Revolving
nosepiece
pcfly.info

III. ASSEMBLY
This picture illustrates
the sequential
procedure
of assembly.
The numbers
indicate
the
orderof assembly
of various
components.
Remove
dust
caps
before
mounting
components'
Takecare
to keep
all glass
surfaces
clean,
andavoid
scratching
the glass
surface'
NoTE: For numbers
@ @ and@ please
refer
to explanations
in
detail
onthe
next
page'
Specimen
holder Observation
tubeclamping
screw
Clamping
scre\n
s
Condenser
clamPi
ng
screw
NosePiece
%
I8..,,
Halogen
bulb
0
riri
@ -5l Halogen
lamp
- +l holcier
Condenser
(The N-A- scale
engravedon the con-
denser shou
ld face the
microscoPe front.)
Microscope
stand ;r --4--Ta- To AC
t-inercorO - @ outlet
Observation
tube
Circular
dovetai
Imount

@
Explanations
in detail
Mounting the stage
1) Loosen the stage
clamping
screw
O Ov
rotatingcounterclockwise.
(Fig.
1)
2) Insert the stage
into the mounting dove-
tail of the microscope
standslowly and
lockwith clampingscrew.
Mounting the revolving
nosepiece
1) L-oosen
the nosepiece clamping
screw
O.
(Fig.2)
2) Aligning the nosepiecedovetail slideto
the mounting
block@, push
in
the
nose-
piece
slowlyallthe way.
NOTE: Do not tilt or rock the nose-
piece while inserting
into the
mountinq
block.
Mounting the observation
tube
1) Loosen
theclamping
knob
e tutty. pull
spring-loaded
clamping knob O . This
will cause
the locating
pin @ to
withdraw.
(Fig.
3) lf the pin does
not, loosen
the
screw
further until the pin withoraws.
2) Witfrclamping
knob e pulled
out, insert
the circular dovetail of the observation
tube into the ring
dovetail.
3) Tighten
the clamping
knob.
Fis.
1
@
@
Fig.2
Fig.3

IV. IDENTIFICATION
AND
FUNCTION
OF
VARIOUS
COMPONENTS
Sliding
voltage
control
lever
Voltug" lowers
asthe lever
is
pulled
toward the microscope
front.
&
Light
path
selector
knob
The knob can be operated
in 3 positionsto deflect
the
light
as
desired.
Tension
adjustment
rlng
Clockwise
rotation increases
coarse
adjustment
tension'
Coarse
adjustment
knob
Coarse
adjustment
range:
26mm
Fine
adjustment
knob
Stage
clamPing
screw
Loosen
the screw
ano
thestage
canberotated.
Condenser
centering
knobs
Y-axis
low
drive
control
knob
Y excursion
range:50mm

_n Diopter
adjustment
flng
Field
iris
diaPhragm
ring
Arrow mark O +Q indicates
increase
in diaPhragm diameter'
Condenser
height
adjustment
knob
Pre-focusing
lever
Line
cord
I
<\,\.

c)
l-
o)
-P
:l
C)
Summary of Putting dre Microscope
into Operation
Model BHT
A. Match
the voltage
selector
switch
to localmainsvoltage
(page
g).
B. Switch
on the light
source
(page
9).
C. Place
a specimen
slideon the mechanical
stage
(page
9).
D. Coarse focus
with the 10X objective
(page
10. 13).
E. Make
interpupillarydistance
and
diopter
adjustments
(page
1l).
F. Adjustthecondenser
position
(page
12).
G. Swingin thedesired
objective.
H. Adjustlightintensity.
l. Finefocus.
J. Adjust aperture
irisdiaphragm
and
field irisdiaphragm
(page
12).
Adjustment of lllumination Systemfor Various objective Powers
*N.A. issomewhat
low,
but stillcompatible
with a 100X
objective.
(Cut off this page
at dotted line and put it on the wall nearthe microscopefor useasa reminder
of micro-
scopic procedure.)
Objective
magnif
ication Achromatic-
aplanatic
condenser
BH2.AAC
Swing-out
condenser
BH2-SC
Low power
condenser
BH2-UL-C
Compatible
Compatible
Compatible Swingin
top
lens
oL:yMPus