Fig. 30
3 Adjusting the X- and Y-Axis Knob Tension
(Fig. 30)
1. Hold the X-axis knob @ and slide up the Y-axis knob 2 up to expose
the adjustment knobs.
2. Turning the X-axis adjustment knob 3 or Y-axis adjustment knob |
clockwise (in the direction of the arrow) increases the tension and coun-
terclockwise decreases it.
If the tension is adjusted to tight, a creaking sound may be heard
during stage travel, and the stage stopping accuracy may be
imperiled.
} After long hours of use, the stage guide may be deviated and the stage
travel range may be decreased.
} However, this is not malfunction and can be corrected easily as described
below.
[Treatment]
Horizontal direction: Hold the specimen holder and move the stage guide
to the left and right so that it hits the stoppers.
Vertical direction: Hold the upper stage and move it to the front and rear
so that it hits the stoppers.
Stage Feed Knob Rubber Caps (Optional)
} When the X- and Y-axis knobs are fitted with the rubber caps, the knobs
can be adjusted without slipping and fine adjustment is possible by holding
the knobs with a very light force. The knob rubber caps also reduce fatigue
after long hours of operation.
The U-SHGT thick type (thickness 5 mm) and U-SHG thin type (thickness
2 mm) knob rubbers are available.
To attach the knob rubbers:
First fit the larger knob rubber to the Y-axis (upper) knob from below it,
then fit the smaller knob rubber to the X-axis (lower) knob from below it.
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CAUTION
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