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MAINTENANCE AND CHECKUPS
MAINTENANCE AND CHECKUPS
MAINTAINING THE PRECISION
ADJUSTING THE SLIT WIDTH CONTROL KNOB TORQUE
•If the slit width narrows by itself due to a decrease in slit width control knob torque, adjust the
torque as follows.
1 Using the attached hexagon wrench, loosen the slit width control knob.
2 Press the slit-width control knob on the left-hand side, and turn the right-hand side clockwise.
3 Fasten the slit width control knob on the right-hand side with the hexagon wrench.
ADJUSTING THE INCLINATION TORQUE
•If the inclination torque of the illumination unit is too low, fasten the arm inclination by tightening the
screws clockwise on both sides of the arm.
PERIODIC MAINTENANCE
Before using, confirm the following:
•Adjust the diopter and eye width following "ADJUSTING THE DIOPTER AND PUPILLARY DIS-
TANCE (PD)" on page 22 and turn the slit adjustment knob and make the slit width about 1mm:
The slit image projected on the test rod is seen clearly.
•Move the base forward-backward and right-left: The base moves smoothly.
•Component parts, including the eyepiece unit, are fitted in place.
•The chinrest base is firmly fitted to the table.
•Cables and plugs are firmly connected.
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