8.
8-1.
B-2.
Check procedure
7-2-3. Check for equal clearance between the jig
and the stage surface with feeler gauge
(OT0317) at the front or back end. Maxi-
mum tolerance between stage and jig =
0.15 mm.
7-2-4.
If the reading exceeds tolerance, adjust the
tilt by inserting a piece of tin foil between
the stage (AA871800) and the substage
block (AB469400).
Accuracy adjustment of fine focus scale
adjustment
Assemble the microscope as indicated in Fig. 8-2-3. The difference between the two reading
Observation tube
obtained in step 8-2-l and step 8-2-2
Objective 40X No special jigs are
should be within 1.5 divisions.
Eyepiece 1 OX
required.
8-2-4. Repeat steps 8-2-l and 8-2-2 after removing
Condenser
the block (B2KCOOlO).
Specimen (Any specimen good for 40X)
Block (B2KCOOlO)
8-3. If the readings exceed the above mentioned
tolerances:
8-3-l. Recheck assembly step l-2 and check for
8-2-l. Focus on the specimen and check the fine
damages on components.
focus scale reading.
8-3-2. Recheck assembly step 3-1 and check for
8-2-2. Rotate the fine focus adjustment knob by
damages on components, especially gears.
of. 25 pm (10 divisions), then refocus on the
specimen and take the scale reading.
-41
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