Assembly - National 167 Series Instructions For

Compound biological microscopes
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ASSEMBLY

A.
Abbe Condenser: Pre-mounted in unit.
B.
Specimen holder: Pre-mounted on stage.
C.
Objectives: Unless otherwise note, they are pre-mounted on the microscope.
D.
Heads: On all series, the head comes pre-mounted to the body of the microscope. Position head so that it
faces either forward or backward, whichever suits your preference or needs, and tighten knurled head locking
screw.
1.
Dual viewing teaching head - Mounting vertical eyepiece tube with diopter to head: Loosen knurled
locking screw, remove black dust cap from vertical port. Insert vertical eyepiece tube with diopter into
vertical port. Retighten knurled screw to secure vertical eyepiece tube in place.
2.
Trinocular head - Mounting C-Mount to head: Loosen knurled locking screw, remove black dust cap
from vertical port. Insert C-Mount and retighten knurled screw to secure in place.
a.
Trinocular head provided with a three position sliding rod to direct light through microscope. The
three position sliding rod (b) allows user to easily direct microscope image into desired path.
1)
Rod pushed completely into head; 100% of microscope image is directed to binocular
eyepieces.
2)
Rod at mid-position (pull or push rod until you feel a gentle click stop), 100% of microscope
image is directed to trinocular port.
3)
Rod pulled to fully extended position; 30% of image directed to binocular eyepieces, 70%
directed to trinocular port.
4

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This manual is also suitable for:

168 seriesDc20-169 series169-btw1 series169 series

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