CX21 MAINTENANCE MANUAL MAINTENANCE PROCEDURE
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4. CX21 Inspection Sheet
Model : Check Date :
S/N : Checking by:
Check Point Check Contents Result Ref. Page
1. Electrical unit 1) When the power switch is turned on, the lamp is lit
and the brightness can be varied by adjustment
knob.
OK / NO 18
1) The coarse/fine focus adjustment knob is
smoothly moved without any stress or
unevenness.
OK / NO 17
2) The tension of coarse focus adjustment knob can
be adjusted by the adjustment ring.
OK / NO
2. Coarse/fine focus
adjustment knob
3) The upper limit is changed by turning the stopper
on the upper side
OK / NO
1) The plane stage should not fall spontaneously. OK / NO
2) A specimen is held securely by the specimen
holder.
OK / NO
3. Stage
3) The X/Y movement of mechanical stage is
smooth
without unevenness, backlash or slipping.
OK / NO 15
1) The interpupillary distance adjustment can be
operated smoothly in working range.
OK / NO
2) When changing the interpupillary distance, the
displacement of optical axis is not apparent.
OK / NO
3) The diopter adjustment ring is moved smoothly in
working range.
OK / NO
4. Observation tube
4) The optical axis of left side coincides with that of
right side.
OK / NO 11, 12, 13
5. Revolving
nosepiece
1) The revolving nosepiece can be rotated smoothly
and stops at the click position.
OK / NO
6. Condenser 1) The vertical movement of condenser is smooth. OK / NO
1) Observation image is normal.
Without flares /ghosts / vignetting /uneven
illumination
OK / NO7. Visibility
(Observation)
2) Dust and dirt are not noticeable in observation . OK / NO 8, 9
Remarks:
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