Olympus BX45 - Optical Characteristics and Assembly; Optical Characteristics

BX45
23
Problem
Cause Remedy Page
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f ) One side of image is blurred.
Objective is not correctly engaged in light
path.
Make sure that revolving nosepiece
clicks into place correctly.
Stage is not correctly mounted. Re-attach it.
Specimen is not correctly mounted on
stage.
Place specimen correctly on to of
stage and secure it with slide holder.
g) Image appears to waver.
Objective is not correctly engaged in
light path.
Make sure that revolving nosepiece
clicks into place correctly.
Condenser is not properly centered. Center the condenser.
h) Field of view becomes only slightly
brighter when the voltage is raised.
Condenser is not properly centered. Center the condenser.
Condenser is lowered too far.
Adjust the condenser height position.
2. Electrical System
a) Bulb intermittently lights and goes
out.
Bulb is nearly burned out. Replace bulb.
A connector is not properly connected. Check all connectors.
b) Bulb burns out almost immediately. Wrong type of bulb is being used. Use correct bulb type.
c) Brightness does not change when
you turn the Light intensity Install
bulb.adjustment knob.
Light intensity preset switch is set to ON. Press switch to OFF.
Bulb is not installed. Install bulb.
Bulb is burned out. Replace bulb.
Lamp socket is not connected. Connect lamp socket correctly.
3. Coarse/Fine Adjustment
a) Coarse adjustment knob is hard
to turn.
Tension adjustment ring is tightened ex-
cessively.
Loose ring.
You are trying to raise stage without
coarse adjustment knob while pre-focus-
ing lever is kept locked.
Unlock pre-focusing lever.
b) Objective drifts down by itself or
focus is lost during observation.
Tension adjustment ring is too loose. Tighten ring.
c) Coarse adjustment will not go all
the way down. (Objective will not
lower.)
Pre-focusing lever is locked at an upper
position.
Unlock pre-focusing lever.
d) Objective makes contact with
specimen before focus is obtained.
Specimen is mounted upside down. Mount specimen correctly.
4. Observation Tube
a) Field of view of one eye does not
match that of the other.
Interpupillary distance is incorrect. Adjust interpupillary distance.
Incorrect diopter adjustment. Adjust diopter.
Different eyepieces are used on left and
right.
Change on eyepiece to match the
other so that both sides are the same
type.
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